diff --git a/rcbasic_build/embedded_functions.bas b/rcbasic_build/embedded_functions.bas
index 7d5fc31..eda803e 100644
--- a/rcbasic_build/embedded_functions.bas
+++ b/rcbasic_build/embedded_functions.bas
@@ -44,4 +44,5 @@ Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/lights.bas"
 Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/terrain.bas"
 Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/water.bas"
 Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/projector.bas"
+Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/composite.bas"
 Include "/home/n00b/Projects/RCBASIC4/rcbasic_build/intern_lib/materials.bas"
diff --git a/rcbasic_build/intern_inc/switch_cases.h b/rcbasic_build/intern_inc/switch_cases.h
index 167c81e..176dd44 100644
--- a/rcbasic_build/intern_inc/switch_cases.h
+++ b/rcbasic_build/intern_inc/switch_cases.h
@@ -1048,6 +1048,18 @@ rc_setProjectorTarget( SETPROJECTORTARGET_ACTOR,  SETPROJECTORTARGET_X,  SETPROJ
 rc_getProjectorTarget( GETPROJECTORTARGET_ACTOR,  &GETPROJECTORTARGET_X,  &GETPROJECTORTARGET_Y,  &GETPROJECTORTARGET_Z )
 rc_setProjectorFOV( SETPROJECTORFOV_ACTOR,  SETPROJECTORFOV_FOV )
 rc_getProjectorFOV( GETPROJECTORFOV_ACTOR )
+rc_addCompositeChild( ADDCOMPOSITECHILD_ACTOR,  ADDCOMPOSITECHILD_CHILD_ACTOR,  ADDCOMPOSITECHILD_T_MATRIX )
+rc_getCompositeChildCount( GETCOMPOSITECHILDCOUNT_ACTOR )
+rc_getCompositeChild( GETCOMPOSITECHILD_ACTOR,  GETCOMPOSITECHILD_CHILD_INDEX )
+rc_getCompositeChildIndex( GETCOMPOSITECHILDINDEX_ACTOR,  GETCOMPOSITECHILDINDEX_CHILD_ACTOR )
+rc_removeCompositeChild( REMOVECOMPOSITECHILD_ACTOR,  REMOVECOMPOSITECHILD_CHILD_INDEX )
+rc_getCompositeChildTransform( GETCOMPOSITECHILDTRANSFORM_ACTOR,  GETCOMPOSITECHILDTRANSFORM_CHILD_INDEX,  GETCOMPOSITECHILDTRANSFORM_T_MATRIX )
+rc_getCompositeAABB( GETCOMPOSITEAABB_ACTOR,  GETCOMPOSITEAABB_T_MATRIX,  &GETCOMPOSITEAABB_MIN_X,  &GETCOMPOSITEAABB_MIN_Y,  &GETCOMPOSITEAABB_MIN_Z,  &GETCOMPOSITEAABB_MAX_X,  &GETCOMPOSITEAABB_MAX_Y,  &GETCOMPOSITEAABB_MAX_Z )
+rc_recalculateCompositeAABB( RECALCULATECOMPOSITEAABB_ACTOR )
+rc_generateCompositeAABBFromChildren( GENERATECOMPOSITEAABBFROMCHILDREN_ACTOR )
+rc_calculateCompositePrincipalTransform( CALCULATECOMPOSITEPRINCIPALTRANSFORM_ACTOR,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_MASSES,  CALCULATECOMPOSITEPRINCIPALTRANSFORM_PRINCIPAL_MATRIX,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_X,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Y,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Z )
+rc_updateCompositeChildTransform( UPDATECOMPOSITECHILDTRANSFORM_ACTOR,  UPDATECOMPOSITECHILDTRANSFORM_CHILD_INDEX,  UPDATECOMPOSITECHILDTRANSFORM_T_MATRIX,  UPDATECOMPOSITECHILDTRANSFORM_RECALC_FLAG )
+rc_getCompositeUpdateRevision( GETCOMPOSITEUPDATEREVISION_ACTOR )
 rc_createMaterial(  )
 rc_deleteMaterial(  DELETEMATERIAL_MATERIAL_ID )
 rc_setActorMaterial(  SETACTORMATERIAL_ACTOR,   SETACTORMATERIAL_MATERIAL_NUM,   SETACTORMATERIAL_MATERIAL_ID )
diff --git a/rcbasic_build/intern_lib/composite.bas b/rcbasic_build/intern_lib/composite.bas
new file mode 100644
index 0000000..908e4fe
--- /dev/null
+++ b/rcbasic_build/intern_lib/composite.bas
@@ -0,0 +1,12 @@
+Function AddCompositeChild(actor, child_actor, t_matrix)
+Function GetCompositeChildCount(actor)
+Function GetCompositeChild(actor, child_index)
+Function GetCompositeChildIndex(actor, child_actor)
+Sub RemoveCompositeChild(actor, child_index)
+Function GetCompositeChildTransform(actor, child_index, t_matrix)
+Function GetCompositeAABB(actor, t_matrix, ByRef min_x, ByRef min_y, ByRef min_z, ByRef max_x, ByRef max_y, ByRef max_z)
+Sub RecalculateCompositeAABB(actor)
+Sub GenerateCompositeAABBFromChildren(actor)
+Sub CalculateCompositePrincipalTransform(actor, ByRef masses, principal_matrix, ByRef x, ByRef y, ByRef z)
+Sub UpdateCompositeChildTransform(actor, child_index, t_matrix, recalc_flag)
+Function GetCompositeUpdateRevision(actor)
diff --git a/rcbasic_build/rc_builtin.h b/rcbasic_build/rc_builtin.h
index 0327a80..191c954 100755
--- a/rcbasic_build/rc_builtin.h
+++ b/rcbasic_build/rc_builtin.h
@@ -3314,6 +3314,52 @@ void init_embedded_functions()
 	add_embedded_arg("fov", ID_TYPE_NUM);
 	embed_function("GetProjectorFOV", ID_TYPE_FN_NUM);
 	add_embedded_arg("actor", ID_TYPE_NUM);
+	embed_function("AddCompositeChild", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_actor", ID_TYPE_NUM);
+	add_embedded_arg("t_matrix", ID_TYPE_NUM);
+	embed_function("GetCompositeChildCount", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	embed_function("GetCompositeChild", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_index", ID_TYPE_NUM);
+	embed_function("GetCompositeChildIndex", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_actor", ID_TYPE_NUM);
+	embed_function("RemoveCompositeChild", ID_TYPE_SUB);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_index", ID_TYPE_NUM);
+	embed_function("GetCompositeChildTransform", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_index", ID_TYPE_NUM);
+	add_embedded_arg("t_matrix", ID_TYPE_NUM);
+	embed_function("GetCompositeAABB", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("t_matrix", ID_TYPE_NUM);
+	add_embedded_arg("min_x", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("min_y", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("min_z", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("max_x", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("max_y", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("max_z", ID_TYPE_BYREF_NUM);
+	embed_function("RecalculateCompositeAABB", ID_TYPE_SUB);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	embed_function("GenerateCompositeAABBFromChildren", ID_TYPE_SUB);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	embed_function("CalculateCompositePrincipalTransform", ID_TYPE_SUB);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("masses", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("principal_matrix", ID_TYPE_NUM);
+	add_embedded_arg("x", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("y", ID_TYPE_BYREF_NUM);
+	add_embedded_arg("z", ID_TYPE_BYREF_NUM);
+	embed_function("UpdateCompositeChildTransform", ID_TYPE_SUB);
+	add_embedded_arg("actor", ID_TYPE_NUM);
+	add_embedded_arg("child_index", ID_TYPE_NUM);
+	add_embedded_arg("t_matrix", ID_TYPE_NUM);
+	add_embedded_arg("recalc_flag", ID_TYPE_NUM);
+	embed_function("GetCompositeUpdateRevision", ID_TYPE_FN_NUM);
+	add_embedded_arg("actor", ID_TYPE_NUM);
 	embed_function("createMaterial", ID_TYPE_FN_NUM);
 	embed_function("deleteMaterial", ID_TYPE_SUB);
 	add_embedded_arg("material_id", ID_TYPE_NUM);
diff --git a/rcbasic_build/rcbasic4_changes.ods b/rcbasic_build/rcbasic4_changes.ods
index 4aa12ab..c1fe092 100644
Binary files a/rcbasic_build/rcbasic4_changes.ods and b/rcbasic_build/rcbasic4_changes.ods differ
diff --git a/rcbasic_build/rcbasic_dev.txt b/rcbasic_build/rcbasic_dev.txt
index 64420a7..6a157b6 100644
--- a/rcbasic_build/rcbasic_dev.txt
+++ b/rcbasic_build/rcbasic_dev.txt
@@ -3308,6 +3308,52 @@ add_embedded_arg("actor", ID_TYPE_NUM);
 add_embedded_arg("fov", ID_TYPE_NUM);
 embed_function("GetProjectorFOV", ID_TYPE_FN_NUM);
 add_embedded_arg("actor", ID_TYPE_NUM);
+embed_function("AddCompositeChild", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_actor", ID_TYPE_NUM);
+add_embedded_arg("t_matrix", ID_TYPE_NUM);
+embed_function("GetCompositeChildCount", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+embed_function("GetCompositeChild", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_index", ID_TYPE_NUM);
+embed_function("GetCompositeChildIndex", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_actor", ID_TYPE_NUM);
+embed_function("RemoveCompositeChild", ID_TYPE_SUB);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_index", ID_TYPE_NUM);
+embed_function("GetCompositeChildTransform", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_index", ID_TYPE_NUM);
+add_embedded_arg("t_matrix", ID_TYPE_NUM);
+embed_function("GetCompositeAABB", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("t_matrix", ID_TYPE_NUM);
+add_embedded_arg("min_x", ID_TYPE_BYREF_NUM);
+add_embedded_arg("min_y", ID_TYPE_BYREF_NUM);
+add_embedded_arg("min_z", ID_TYPE_BYREF_NUM);
+add_embedded_arg("max_x", ID_TYPE_BYREF_NUM);
+add_embedded_arg("max_y", ID_TYPE_BYREF_NUM);
+add_embedded_arg("max_z", ID_TYPE_BYREF_NUM);
+embed_function("RecalculateCompositeAABB", ID_TYPE_SUB);
+add_embedded_arg("actor", ID_TYPE_NUM);
+embed_function("GenerateCompositeAABBFromChildren", ID_TYPE_SUB);
+add_embedded_arg("actor", ID_TYPE_NUM);
+embed_function("CalculateCompositePrincipalTransform", ID_TYPE_SUB);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("masses", ID_TYPE_BYREF_NUM);
+add_embedded_arg("principal_matrix", ID_TYPE_NUM);
+add_embedded_arg("x", ID_TYPE_BYREF_NUM);
+add_embedded_arg("y", ID_TYPE_BYREF_NUM);
+add_embedded_arg("z", ID_TYPE_BYREF_NUM);
+embed_function("UpdateCompositeChildTransform", ID_TYPE_SUB);
+add_embedded_arg("actor", ID_TYPE_NUM);
+add_embedded_arg("child_index", ID_TYPE_NUM);
+add_embedded_arg("t_matrix", ID_TYPE_NUM);
+add_embedded_arg("recalc_flag", ID_TYPE_NUM);
+embed_function("GetCompositeUpdateRevision", ID_TYPE_FN_NUM);
+add_embedded_arg("actor", ID_TYPE_NUM);
 embed_function("createMaterial", ID_TYPE_FN_NUM);
 embed_function("deleteMaterial", ID_TYPE_SUB);
 add_embedded_arg("material_id", ID_TYPE_NUM);
diff --git a/rcbasic_build/rcbasic_dev2.txt b/rcbasic_build/rcbasic_dev2.txt
index 97c0ac7..399cbfd 100644
--- a/rcbasic_build/rcbasic_dev2.txt
+++ b/rcbasic_build/rcbasic_dev2.txt
@@ -3308,175 +3308,221 @@
 #define SETPROJECTORFOV_FOV num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define FN_GetProjectorFOV 1049
 #define GETPROJECTORFOV_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_createMaterial 1050
-#define FN_deleteMaterial 1051
+#define FN_AddCompositeChild 1050
+#define ADDCOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define ADDCOMPOSITECHILD_CHILD_ACTOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define ADDCOMPOSITECHILD_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define FN_GetCompositeChildCount 1051
+#define GETCOMPOSITECHILDCOUNT_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_GetCompositeChild 1052
+#define GETCOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILD_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_GetCompositeChildIndex 1053
+#define GETCOMPOSITECHILDINDEX_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILDINDEX_CHILD_ACTOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_RemoveCompositeChild 1054
+#define REMOVECOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define REMOVECOMPOSITECHILD_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_GetCompositeChildTransform 1055
+#define GETCOMPOSITECHILDTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILDTRANSFORM_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define GETCOMPOSITECHILDTRANSFORM_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define FN_GetCompositeAABB 1056
+#define GETCOMPOSITEAABB_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITEAABB_T_MATRIX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_X num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_Y num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_Z num_var[4].nref[0].value[ num_var[4].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_X num_var[5].nref[0].value[ num_var[5].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_Y num_var[6].nref[0].value[ num_var[6].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_Z num_var[7].nref[0].value[ num_var[7].byref_offset ]
+#define FN_RecalculateCompositeAABB 1057
+#define RECALCULATECOMPOSITEAABB_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_GenerateCompositeAABBFromChildren 1058
+#define GENERATECOMPOSITEAABBFROMCHILDREN_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_CalculateCompositePrincipalTransform 1059
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_MASSES num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_PRINCIPAL_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_X num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_Y num_var[4].nref[0].value[ num_var[4].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_Z num_var[5].nref[0].value[ num_var[5].byref_offset ]
+#define FN_UpdateCompositeChildTransform 1060
+#define UPDATECOMPOSITECHILDTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_RECALC_FLAG num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define FN_GetCompositeUpdateRevision 1061
+#define GETCOMPOSITEUPDATEREVISION_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_createMaterial 1062
+#define FN_deleteMaterial 1063
 #define DELETEMATERIAL_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorMaterial 1052
+#define FN_setActorMaterial 1064
 #define SETACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORMATERIAL_MATERIAL_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterial 1053
+#define FN_getActorMaterial 1065
 #define GETACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_copyActorMaterial 1054
+#define FN_copyActorMaterial 1066
 #define COPYACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define COPYACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_copyMaterial 1055
+#define FN_copyMaterial 1067
 #define COPYMATERIAL_SMATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialTextureCanvas 1056
+#define FN_setMaterialTextureCanvas 1068
 #define SETMATERIALTEXTURECANVAS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTEXTURECANVAS_LEVEL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALTEXTURECANVAS_CANVAS_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setMaterialAmbientColor 1057
+#define FN_setMaterialAmbientColor 1069
 #define SETMATERIALAMBIENTCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALAMBIENTCOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialAmbientColor 1058
+#define FN_getMaterialAmbientColor 1070
 #define GETMATERIALAMBIENTCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialAntiAliasing 1059
+#define FN_setMaterialAntiAliasing 1071
 #define SETMATERIALANTIALIASING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALANTIALIASING_AA num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialAntiAliasing 1060
+#define FN_getMaterialAntiAliasing 1072
 #define GETMATERIALANTIALIASING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBackfaceCulling 1061
+#define FN_setMaterialBackfaceCulling 1073
 #define SETMATERIALBACKFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBACKFACECULLING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBackfaceCulling 1062
+#define FN_getMaterialBackfaceCulling 1074
 #define GETMATERIALBACKFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBlendFactor 1063
+#define FN_setMaterialBlendFactor 1075
 #define SETMATERIALBLENDFACTOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBLENDFACTOR_BF num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBlendFactor 1064
+#define FN_getMaterialBlendFactor 1076
 #define GETMATERIALBLENDFACTOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBlendMode 1065
+#define FN_setMaterialBlendMode 1077
 #define SETMATERIALBLENDMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBLENDMODE_BLEND_MODE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBlendMode 1066
+#define FN_getMaterialBlendMode 1078
 #define GETMATERIALBLENDMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialColorMask 1067
+#define FN_setMaterialColorMask 1079
 #define SETMATERIALCOLORMASK_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCOLORMASK_COLOR_MASK num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialColorMask 1068
+#define FN_getMaterialColorMask 1080
 #define GETMATERIALCOLORMASK_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialColorMode 1069
+#define FN_setMaterialColorMode 1081
 #define SETMATERIALCOLORMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCOLORMODE_COLOR_MODE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialColorMode 1070
+#define FN_getMaterialColorMode 1082
 #define GETMATERIALCOLORMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialDiffuseColor 1071
+#define FN_setMaterialDiffuseColor 1083
 #define SETMATERIALDIFFUSECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALDIFFUSECOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialDiffuseColor 1072
+#define FN_getMaterialDiffuseColor 1084
 #define GETMATERIALDIFFUSECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialEmissiveColor 1073
+#define FN_setMaterialEmissiveColor 1085
 #define SETMATERIALEMISSIVECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALEMISSIVECOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialEmissiveColor 1074
+#define FN_getMaterialEmissiveColor 1086
 #define GETMATERIALEMISSIVECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFog 1075
+#define FN_setMaterialFog 1087
 #define SETMATERIALFOG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFOG_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialFog 1076
+#define FN_getMaterialFog 1088
 #define GETMATERIALFOG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFrontfaceCulling 1077
+#define FN_setMaterialFrontfaceCulling 1089
 #define SETMATERIALFRONTFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFRONTFACECULLING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialFrontfaceCulling 1078
+#define FN_getMaterialFrontfaceCulling 1090
 #define GETMATERIALFRONTFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialGouraudShading 1079
+#define FN_setMaterialGouraudShading 1091
 #define SETMATERIALGOURAUDSHADING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALGOURAUDSHADING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsGouraudShaded 1080
+#define FN_materialIsGouraudShaded 1092
 #define MATERIALISGOURAUDSHADED_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_materialIsAplhaBlend 1081
+#define FN_materialIsAplhaBlend 1093
 #define MATERIALISAPLHABLEND_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_materialIsTransparent 1082
+#define FN_materialIsTransparent 1094
 #define MATERIALISTRANSPARENT_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialLighting 1083
+#define FN_setMaterialLighting 1095
 #define SETMATERIALLIGHTING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALLIGHTING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsLit 1084
+#define FN_materialIsLit 1096
 #define MATERIALISLIT_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialType 1085
+#define FN_setMaterialType 1097
 #define SETMATERIALTYPE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTYPE_MAT_TYPE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialType 1086
+#define FN_getMaterialType 1098
 #define GETMATERIALTYPE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialNormalize 1087
+#define FN_setMaterialNormalize 1099
 #define SETMATERIALNORMALIZE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALNORMALIZE_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsNormalized 1088
+#define FN_materialIsNormalized 1100
 #define MATERIALISNORMALIZED_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialPointCloud 1089
+#define FN_setMaterialPointCloud 1101
 #define SETMATERIALPOINTCLOUD_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALPOINTCLOUD_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsPointCloud 1090
+#define FN_materialIsPointCloud 1102
 #define MATERIALISPOINTCLOUD_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFlag 1091
+#define FN_setMaterialFlag 1103
 #define SETMATERIALFLAG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFLAG_MATERIAL_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALFLAG_F_VALUE num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getMaterialFlag 1092
+#define FN_getMaterialFlag 1104
 #define GETMATERIALFLAG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALFLAG_MATERIAL_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_setMaterialTexture 1093
+#define FN_setMaterialTexture 1105
 #define SETMATERIALTEXTURE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTEXTURE_LEVEL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALTEXTURE_IMG_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setMaterialShininess 1094
+#define FN_setMaterialShininess 1106
 #define SETMATERIALSHININESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALSHININESS_SHININESS num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialShininess 1095
+#define FN_getMaterialShininess 1107
 #define GETMATERIALSHININESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialSpecularColor 1096
+#define FN_setMaterialSpecularColor 1108
 #define SETMATERIALSPECULARCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALSPECULARCOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialSpecularColor 1097
+#define FN_getMaterialSpecularColor 1109
 #define GETMATERIALSPECULARCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialThickness 1098
+#define FN_setMaterialThickness 1110
 #define SETMATERIALTHICKNESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTHICKNESS_THICKNESS num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialThickness 1099
+#define FN_getMaterialThickness 1111
 #define GETMATERIALTHICKNESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialWireframe 1100
+#define FN_setMaterialWireframe 1112
 #define SETMATERIALWIREFRAME_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALWIREFRAME_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsWireframe 1101
+#define FN_materialIsWireframe 1113
 #define MATERIALISWIREFRAME_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorTexture 1102
+#define FN_setActorTexture 1114
 #define SETACTORTEXTURE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORTEXTURE_LAYER num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORTEXTURE_IMAGE_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterialCount 1103
+#define FN_getActorMaterialCount 1115
 #define GETACTORMATERIALCOUNT_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorMaterialFlag 1104
+#define FN_setActorMaterialFlag 1116
 #define SETACTORMATERIALFLAG_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIALFLAG_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORMATERIALFLAG_FLAG_VALUE num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterialFlag 1105
+#define FN_getActorMaterialFlag 1117
 #define GETACTORMATERIALFLAG_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIALFLAG_MATERIAL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define GETACTORMATERIALFLAG_FLAG num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setActorMaterialType 1106
+#define FN_setActorMaterialType 1118
 #define SETACTORMATERIALTYPE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIALTYPE_MATERIAL_TYPE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getActorMaterialType 1107
+#define FN_getActorMaterialType 1119
 #define GETACTORMATERIALTYPE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIALTYPE_MATERIAL num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_MaterialExists 1108
+#define FN_MaterialExists 1120
 #define MATERIALEXISTS_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_NumMaterialConstants 1109
+#define FN_NumMaterialConstants 1121
 #define NUMMATERIALCONSTANTS_MATERIAL_TYPE num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_GetMaterialConstantName$ 1110
+#define FN_GetMaterialConstantName$ 1122
 #define GETMATERIALCONSTANTNAME$_MATERIAL_TYPE num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALCONSTANTNAME$_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_SetMaterialConstant 1111
+#define FN_SetMaterialConstant 1123
 #define SETMATERIALCONSTANT_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCONSTANT_M_CONSTANT$ str_var[0].sref[0].value[ str_var[0].byref_offset ]
 #define SETMATERIALCONSTANT_N1 num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALCONSTANT_N2 num_var[2].nref[0].value[ num_var[2].byref_offset ]
 #define SETMATERIALCONSTANT_N3 num_var[3].nref[0].value[ num_var[3].byref_offset ]
 #define SETMATERIALCONSTANT_N4 num_var[4].nref[0].value[ num_var[4].byref_offset ]
-#define FN_GetMaterialConstant 1112
+#define FN_GetMaterialConstant 1124
 #define GETMATERIALCONSTANT_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALCONSTANT_M_CONSTANT$ str_var[0].sref[0].value[ str_var[0].byref_offset ]
 #define GETMATERIALCONSTANT_N1 num_var[1].nref[0].value[ num_var[1].byref_offset ]
diff --git a/rcbasic_build/rcbasic_dev3.txt b/rcbasic_build/rcbasic_dev3.txt
index c634b6d..d1112f5 100644
--- a/rcbasic_build/rcbasic_dev3.txt
+++ b/rcbasic_build/rcbasic_dev3.txt
@@ -3176,6 +3176,42 @@ case FN_SetProjectorFOV: //Sub Procedure
 case FN_GetProjectorFOV: //Number Function
 	 rc_push_num(rc_getProjectorFOV( GETPROJECTORFOV_ACTOR ));
 	break;
+case FN_AddCompositeChild: //Number Function
+	 rc_push_num(rc_addCompositeChild( ADDCOMPOSITECHILD_ACTOR,  ADDCOMPOSITECHILD_CHILD_ACTOR,  ADDCOMPOSITECHILD_T_MATRIX ));
+	break;
+case FN_GetCompositeChildCount: //Number Function
+	 rc_push_num(rc_getCompositeChildCount( GETCOMPOSITECHILDCOUNT_ACTOR ));
+	break;
+case FN_GetCompositeChild: //Number Function
+	 rc_push_num(rc_getCompositeChild( GETCOMPOSITECHILD_ACTOR,  GETCOMPOSITECHILD_CHILD_INDEX ));
+	break;
+case FN_GetCompositeChildIndex: //Number Function
+	 rc_push_num(rc_getCompositeChildIndex( GETCOMPOSITECHILDINDEX_ACTOR,  GETCOMPOSITECHILDINDEX_CHILD_ACTOR ));
+	break;
+case FN_RemoveCompositeChild: //Sub Procedure
+	rc_removeCompositeChild( REMOVECOMPOSITECHILD_ACTOR,  REMOVECOMPOSITECHILD_CHILD_INDEX );
+	break;
+case FN_GetCompositeChildTransform: //Number Function
+	 rc_push_num(rc_getCompositeChildTransform( GETCOMPOSITECHILDTRANSFORM_ACTOR,  GETCOMPOSITECHILDTRANSFORM_CHILD_INDEX,  GETCOMPOSITECHILDTRANSFORM_T_MATRIX ));
+	break;
+case FN_GetCompositeAABB: //Number Function
+	 rc_push_num(rc_getCompositeAABB( GETCOMPOSITEAABB_ACTOR,  GETCOMPOSITEAABB_T_MATRIX,  &GETCOMPOSITEAABB_MIN_X,  &GETCOMPOSITEAABB_MIN_Y,  &GETCOMPOSITEAABB_MIN_Z,  &GETCOMPOSITEAABB_MAX_X,  &GETCOMPOSITEAABB_MAX_Y,  &GETCOMPOSITEAABB_MAX_Z ));
+	break;
+case FN_RecalculateCompositeAABB: //Sub Procedure
+	rc_recalculateCompositeAABB( RECALCULATECOMPOSITEAABB_ACTOR );
+	break;
+case FN_GenerateCompositeAABBFromChildren: //Sub Procedure
+	rc_generateCompositeAABBFromChildren( GENERATECOMPOSITEAABBFROMCHILDREN_ACTOR );
+	break;
+case FN_CalculateCompositePrincipalTransform: //Sub Procedure
+	rc_calculateCompositePrincipalTransform( CALCULATECOMPOSITEPRINCIPALTRANSFORM_ACTOR,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_MASSES,  CALCULATECOMPOSITEPRINCIPALTRANSFORM_PRINCIPAL_MATRIX,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_X,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Y,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Z );
+	break;
+case FN_UpdateCompositeChildTransform: //Sub Procedure
+	rc_updateCompositeChildTransform( UPDATECOMPOSITECHILDTRANSFORM_ACTOR,  UPDATECOMPOSITECHILDTRANSFORM_CHILD_INDEX,  UPDATECOMPOSITECHILDTRANSFORM_T_MATRIX,  UPDATECOMPOSITECHILDTRANSFORM_RECALC_FLAG );
+	break;
+case FN_GetCompositeUpdateRevision: //Number Function
+	 rc_push_num(rc_getCompositeUpdateRevision( GETCOMPOSITEUPDATEREVISION_ACTOR ));
+	break;
 case FN_createMaterial: //Number Function
 	 rc_push_num(rc_createMaterial(  ));
 	break;
diff --git a/rcbasic_runtime/main.cpp b/rcbasic_runtime/main.cpp
index bf93bc2..bdb8b18 100755
--- a/rcbasic_runtime/main.cpp
+++ b/rcbasic_runtime/main.cpp
@@ -4453,7 +4453,7 @@ int main(int argc, char * argv[])
 
     //ogles2 test
     #ifdef RC_TESTING
-    rc_intern_dirChange("/home/n00b/Programs/rcbasic/examples/Sprite_Test");
+    rc_intern_dirChange("/home/n00b/Music/v47/RCBasic_v47_Linux64/examples/Sprite_Test");
 	//rc_intern_dirChange("");
 	rc_filename = "main.cbc";
 
diff --git a/rcbasic_runtime/rc_defines.h b/rcbasic_runtime/rc_defines.h
index f25bf33..83aacb6 100755
--- a/rcbasic_runtime/rc_defines.h
+++ b/rcbasic_runtime/rc_defines.h
@@ -3311,175 +3311,221 @@
 #define SETPROJECTORFOV_FOV num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define FN_GetProjectorFOV 1049
 #define GETPROJECTORFOV_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_createMaterial 1050
-#define FN_deleteMaterial 1051
+#define FN_AddCompositeChild 1050
+#define ADDCOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define ADDCOMPOSITECHILD_CHILD_ACTOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define ADDCOMPOSITECHILD_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define FN_GetCompositeChildCount 1051
+#define GETCOMPOSITECHILDCOUNT_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_GetCompositeChild 1052
+#define GETCOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILD_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_GetCompositeChildIndex 1053
+#define GETCOMPOSITECHILDINDEX_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILDINDEX_CHILD_ACTOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_RemoveCompositeChild 1054
+#define REMOVECOMPOSITECHILD_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define REMOVECOMPOSITECHILD_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define FN_GetCompositeChildTransform 1055
+#define GETCOMPOSITECHILDTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITECHILDTRANSFORM_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define GETCOMPOSITECHILDTRANSFORM_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define FN_GetCompositeAABB 1056
+#define GETCOMPOSITEAABB_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define GETCOMPOSITEAABB_T_MATRIX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_X num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_Y num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define GETCOMPOSITEAABB_MIN_Z num_var[4].nref[0].value[ num_var[4].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_X num_var[5].nref[0].value[ num_var[5].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_Y num_var[6].nref[0].value[ num_var[6].byref_offset ]
+#define GETCOMPOSITEAABB_MAX_Z num_var[7].nref[0].value[ num_var[7].byref_offset ]
+#define FN_RecalculateCompositeAABB 1057
+#define RECALCULATECOMPOSITEAABB_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_GenerateCompositeAABBFromChildren 1058
+#define GENERATECOMPOSITEAABBFROMCHILDREN_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_CalculateCompositePrincipalTransform 1059
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_MASSES num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_PRINCIPAL_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_X num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_Y num_var[4].nref[0].value[ num_var[4].byref_offset ]
+#define CALCULATECOMPOSITEPRINCIPALTRANSFORM_Z num_var[5].nref[0].value[ num_var[5].byref_offset ]
+#define FN_UpdateCompositeChildTransform 1060
+#define UPDATECOMPOSITECHILDTRANSFORM_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_CHILD_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_T_MATRIX num_var[2].nref[0].value[ num_var[2].byref_offset ]
+#define UPDATECOMPOSITECHILDTRANSFORM_RECALC_FLAG num_var[3].nref[0].value[ num_var[3].byref_offset ]
+#define FN_GetCompositeUpdateRevision 1061
+#define GETCOMPOSITEUPDATEREVISION_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
+#define FN_createMaterial 1062
+#define FN_deleteMaterial 1063
 #define DELETEMATERIAL_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorMaterial 1052
+#define FN_setActorMaterial 1064
 #define SETACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORMATERIAL_MATERIAL_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterial 1053
+#define FN_getActorMaterial 1065
 #define GETACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_copyActorMaterial 1054
+#define FN_copyActorMaterial 1066
 #define COPYACTORMATERIAL_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define COPYACTORMATERIAL_MATERIAL_NUM num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_copyMaterial 1055
+#define FN_copyMaterial 1067
 #define COPYMATERIAL_SMATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialTextureCanvas 1056
+#define FN_setMaterialTextureCanvas 1068
 #define SETMATERIALTEXTURECANVAS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTEXTURECANVAS_LEVEL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALTEXTURECANVAS_CANVAS_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setMaterialAmbientColor 1057
+#define FN_setMaterialAmbientColor 1069
 #define SETMATERIALAMBIENTCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALAMBIENTCOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialAmbientColor 1058
+#define FN_getMaterialAmbientColor 1070
 #define GETMATERIALAMBIENTCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialAntiAliasing 1059
+#define FN_setMaterialAntiAliasing 1071
 #define SETMATERIALANTIALIASING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALANTIALIASING_AA num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialAntiAliasing 1060
+#define FN_getMaterialAntiAliasing 1072
 #define GETMATERIALANTIALIASING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBackfaceCulling 1061
+#define FN_setMaterialBackfaceCulling 1073
 #define SETMATERIALBACKFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBACKFACECULLING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBackfaceCulling 1062
+#define FN_getMaterialBackfaceCulling 1074
 #define GETMATERIALBACKFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBlendFactor 1063
+#define FN_setMaterialBlendFactor 1075
 #define SETMATERIALBLENDFACTOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBLENDFACTOR_BF num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBlendFactor 1064
+#define FN_getMaterialBlendFactor 1076
 #define GETMATERIALBLENDFACTOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialBlendMode 1065
+#define FN_setMaterialBlendMode 1077
 #define SETMATERIALBLENDMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALBLENDMODE_BLEND_MODE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialBlendMode 1066
+#define FN_getMaterialBlendMode 1078
 #define GETMATERIALBLENDMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialColorMask 1067
+#define FN_setMaterialColorMask 1079
 #define SETMATERIALCOLORMASK_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCOLORMASK_COLOR_MASK num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialColorMask 1068
+#define FN_getMaterialColorMask 1080
 #define GETMATERIALCOLORMASK_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialColorMode 1069
+#define FN_setMaterialColorMode 1081
 #define SETMATERIALCOLORMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCOLORMODE_COLOR_MODE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialColorMode 1070
+#define FN_getMaterialColorMode 1082
 #define GETMATERIALCOLORMODE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialDiffuseColor 1071
+#define FN_setMaterialDiffuseColor 1083
 #define SETMATERIALDIFFUSECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALDIFFUSECOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialDiffuseColor 1072
+#define FN_getMaterialDiffuseColor 1084
 #define GETMATERIALDIFFUSECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialEmissiveColor 1073
+#define FN_setMaterialEmissiveColor 1085
 #define SETMATERIALEMISSIVECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALEMISSIVECOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialEmissiveColor 1074
+#define FN_getMaterialEmissiveColor 1086
 #define GETMATERIALEMISSIVECOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFog 1075
+#define FN_setMaterialFog 1087
 #define SETMATERIALFOG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFOG_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialFog 1076
+#define FN_getMaterialFog 1088
 #define GETMATERIALFOG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFrontfaceCulling 1077
+#define FN_setMaterialFrontfaceCulling 1089
 #define SETMATERIALFRONTFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFRONTFACECULLING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialFrontfaceCulling 1078
+#define FN_getMaterialFrontfaceCulling 1090
 #define GETMATERIALFRONTFACECULLING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialGouraudShading 1079
+#define FN_setMaterialGouraudShading 1091
 #define SETMATERIALGOURAUDSHADING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALGOURAUDSHADING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsGouraudShaded 1080
+#define FN_materialIsGouraudShaded 1092
 #define MATERIALISGOURAUDSHADED_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_materialIsAplhaBlend 1081
+#define FN_materialIsAplhaBlend 1093
 #define MATERIALISAPLHABLEND_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_materialIsTransparent 1082
+#define FN_materialIsTransparent 1094
 #define MATERIALISTRANSPARENT_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialLighting 1083
+#define FN_setMaterialLighting 1095
 #define SETMATERIALLIGHTING_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALLIGHTING_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsLit 1084
+#define FN_materialIsLit 1096
 #define MATERIALISLIT_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialType 1085
+#define FN_setMaterialType 1097
 #define SETMATERIALTYPE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTYPE_MAT_TYPE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialType 1086
+#define FN_getMaterialType 1098
 #define GETMATERIALTYPE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialNormalize 1087
+#define FN_setMaterialNormalize 1099
 #define SETMATERIALNORMALIZE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALNORMALIZE_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsNormalized 1088
+#define FN_materialIsNormalized 1100
 #define MATERIALISNORMALIZED_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialPointCloud 1089
+#define FN_setMaterialPointCloud 1101
 #define SETMATERIALPOINTCLOUD_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALPOINTCLOUD_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsPointCloud 1090
+#define FN_materialIsPointCloud 1102
 #define MATERIALISPOINTCLOUD_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialFlag 1091
+#define FN_setMaterialFlag 1103
 #define SETMATERIALFLAG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALFLAG_MATERIAL_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALFLAG_F_VALUE num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getMaterialFlag 1092
+#define FN_getMaterialFlag 1104
 #define GETMATERIALFLAG_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALFLAG_MATERIAL_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_setMaterialTexture 1093
+#define FN_setMaterialTexture 1105
 #define SETMATERIALTEXTURE_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTEXTURE_LEVEL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALTEXTURE_IMG_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setMaterialShininess 1094
+#define FN_setMaterialShininess 1106
 #define SETMATERIALSHININESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALSHININESS_SHININESS num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialShininess 1095
+#define FN_getMaterialShininess 1107
 #define GETMATERIALSHININESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialSpecularColor 1096
+#define FN_setMaterialSpecularColor 1108
 #define SETMATERIALSPECULARCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALSPECULARCOLOR_COLOR num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialSpecularColor 1097
+#define FN_getMaterialSpecularColor 1109
 #define GETMATERIALSPECULARCOLOR_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialThickness 1098
+#define FN_setMaterialThickness 1110
 #define SETMATERIALTHICKNESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALTHICKNESS_THICKNESS num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getMaterialThickness 1099
+#define FN_getMaterialThickness 1111
 #define GETMATERIALTHICKNESS_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setMaterialWireframe 1100
+#define FN_setMaterialWireframe 1112
 #define SETMATERIALWIREFRAME_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALWIREFRAME_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_materialIsWireframe 1101
+#define FN_materialIsWireframe 1113
 #define MATERIALISWIREFRAME_MATERIAL_ID num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorTexture 1102
+#define FN_setActorTexture 1114
 #define SETACTORTEXTURE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORTEXTURE_LAYER num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORTEXTURE_IMAGE_ID num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterialCount 1103
+#define FN_getActorMaterialCount 1115
 #define GETACTORMATERIALCOUNT_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_setActorMaterialFlag 1104
+#define FN_setActorMaterialFlag 1116
 #define SETACTORMATERIALFLAG_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIALFLAG_FLAG num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETACTORMATERIALFLAG_FLAG_VALUE num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_getActorMaterialFlag 1105
+#define FN_getActorMaterialFlag 1117
 #define GETACTORMATERIALFLAG_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIALFLAG_MATERIAL num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define GETACTORMATERIALFLAG_FLAG num_var[2].nref[0].value[ num_var[2].byref_offset ]
-#define FN_setActorMaterialType 1106
+#define FN_setActorMaterialType 1118
 #define SETACTORMATERIALTYPE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETACTORMATERIALTYPE_MATERIAL_TYPE num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_getActorMaterialType 1107
+#define FN_getActorMaterialType 1119
 #define GETACTORMATERIALTYPE_ACTOR num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETACTORMATERIALTYPE_MATERIAL num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_MaterialExists 1108
+#define FN_MaterialExists 1120
 #define MATERIALEXISTS_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_NumMaterialConstants 1109
+#define FN_NumMaterialConstants 1121
 #define NUMMATERIALCONSTANTS_MATERIAL_TYPE num_var[0].nref[0].value[ num_var[0].byref_offset ]
-#define FN_GetMaterialConstantName$ 1110
+#define FN_GetMaterialConstantName$ 1122
 #define GETMATERIALCONSTANTNAME$_MATERIAL_TYPE num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALCONSTANTNAME$_INDEX num_var[1].nref[0].value[ num_var[1].byref_offset ]
-#define FN_SetMaterialConstant 1111
+#define FN_SetMaterialConstant 1123
 #define SETMATERIALCONSTANT_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define SETMATERIALCONSTANT_M_CONSTANT$ str_var[0].sref[0].value[ str_var[0].byref_offset ]
 #define SETMATERIALCONSTANT_N1 num_var[1].nref[0].value[ num_var[1].byref_offset ]
 #define SETMATERIALCONSTANT_N2 num_var[2].nref[0].value[ num_var[2].byref_offset ]
 #define SETMATERIALCONSTANT_N3 num_var[3].nref[0].value[ num_var[3].byref_offset ]
 #define SETMATERIALCONSTANT_N4 num_var[4].nref[0].value[ num_var[4].byref_offset ]
-#define FN_GetMaterialConstant 1112
+#define FN_GetMaterialConstant 1124
 #define GETMATERIALCONSTANT_MATERIAL num_var[0].nref[0].value[ num_var[0].byref_offset ]
 #define GETMATERIALCONSTANT_M_CONSTANT$ str_var[0].sref[0].value[ str_var[0].byref_offset ]
 #define GETMATERIALCONSTANT_N1 num_var[1].nref[0].value[ num_var[1].byref_offset ]
diff --git a/rcbasic_runtime/rc_func130_cases.h b/rcbasic_runtime/rc_func130_cases.h
index ed40b7e..6ba2971 100644
--- a/rcbasic_runtime/rc_func130_cases.h
+++ b/rcbasic_runtime/rc_func130_cases.h
@@ -3176,6 +3176,42 @@ case FN_SetProjectorFOV: //Sub Procedure
 case FN_GetProjectorFOV: //Number Function
 	 rc_push_num(rc_getProjectorFOV( GETPROJECTORFOV_ACTOR ));
 	break;
+case FN_AddCompositeChild: //Number Function
+	 rc_push_num(rc_addCompositeChild( ADDCOMPOSITECHILD_ACTOR,  ADDCOMPOSITECHILD_CHILD_ACTOR,  ADDCOMPOSITECHILD_T_MATRIX ));
+	break;
+case FN_GetCompositeChildCount: //Number Function
+	 rc_push_num(rc_getCompositeChildCount( GETCOMPOSITECHILDCOUNT_ACTOR ));
+	break;
+case FN_GetCompositeChild: //Number Function
+	 rc_push_num(rc_getCompositeChild( GETCOMPOSITECHILD_ACTOR,  GETCOMPOSITECHILD_CHILD_INDEX ));
+	break;
+case FN_GetCompositeChildIndex: //Number Function
+	 rc_push_num(rc_getCompositeChildIndex( GETCOMPOSITECHILDINDEX_ACTOR,  GETCOMPOSITECHILDINDEX_CHILD_ACTOR ));
+	break;
+case FN_RemoveCompositeChild: //Sub Procedure
+	rc_removeCompositeChild( REMOVECOMPOSITECHILD_ACTOR,  REMOVECOMPOSITECHILD_CHILD_INDEX );
+	break;
+case FN_GetCompositeChildTransform: //Number Function
+	 rc_push_num(rc_getCompositeChildTransform( GETCOMPOSITECHILDTRANSFORM_ACTOR,  GETCOMPOSITECHILDTRANSFORM_CHILD_INDEX,  GETCOMPOSITECHILDTRANSFORM_T_MATRIX ));
+	break;
+case FN_GetCompositeAABB: //Number Function
+	 rc_push_num(rc_getCompositeAABB( GETCOMPOSITEAABB_ACTOR,  GETCOMPOSITEAABB_T_MATRIX,  &GETCOMPOSITEAABB_MIN_X,  &GETCOMPOSITEAABB_MIN_Y,  &GETCOMPOSITEAABB_MIN_Z,  &GETCOMPOSITEAABB_MAX_X,  &GETCOMPOSITEAABB_MAX_Y,  &GETCOMPOSITEAABB_MAX_Z ));
+	break;
+case FN_RecalculateCompositeAABB: //Sub Procedure
+	rc_recalculateCompositeAABB( RECALCULATECOMPOSITEAABB_ACTOR );
+	break;
+case FN_GenerateCompositeAABBFromChildren: //Sub Procedure
+	rc_generateCompositeAABBFromChildren( GENERATECOMPOSITEAABBFROMCHILDREN_ACTOR );
+	break;
+case FN_CalculateCompositePrincipalTransform: //Sub Procedure
+	rc_calculateCompositePrincipalTransform( CALCULATECOMPOSITEPRINCIPALTRANSFORM_ACTOR,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_MASSES,  CALCULATECOMPOSITEPRINCIPALTRANSFORM_PRINCIPAL_MATRIX,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_X,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Y,  &CALCULATECOMPOSITEPRINCIPALTRANSFORM_Z );
+	break;
+case FN_UpdateCompositeChildTransform: //Sub Procedure
+	rc_updateCompositeChildTransform( UPDATECOMPOSITECHILDTRANSFORM_ACTOR,  UPDATECOMPOSITECHILDTRANSFORM_CHILD_INDEX,  UPDATECOMPOSITECHILDTRANSFORM_T_MATRIX,  UPDATECOMPOSITECHILDTRANSFORM_RECALC_FLAG );
+	break;
+case FN_GetCompositeUpdateRevision: //Number Function
+	 rc_push_num(rc_getCompositeUpdateRevision( GETCOMPOSITEUPDATEREVISION_ACTOR ));
+	break;
 case FN_createMaterial: //Number Function
 	 rc_push_num(rc_createMaterial(  ));
 	break;
diff --git a/rcbasic_runtime/rc_os_defines.h b/rcbasic_runtime/rc_os_defines.h
index 928b6d4..b28714c 100755
--- a/rcbasic_runtime/rc_os_defines.h
+++ b/rcbasic_runtime/rc_os_defines.h
@@ -2,7 +2,7 @@
 #define RC_OS_DEFINES_H_INCLUDED
 
 //USED FOR TESTING ONLY
-//#define RC_TESTING
+#define RC_TESTING
 
 //I am checking Android first since I think it also defines __linux__
 
diff --git a/rcbasic_runtime/rc_sprite2D.h b/rcbasic_runtime/rc_sprite2D.h
index c981736..1b38a9a 100755
--- a/rcbasic_runtime/rc_sprite2D.h
+++ b/rcbasic_runtime/rc_sprite2D.h
@@ -45,6 +45,8 @@ struct rc_sprite2D_physics_obj
 
 struct rc_sprite2D_animation_obj
 {
+    int src_image_id;
+
 	irr::core::array<int> frames;
 
 	int num_frames;
diff --git a/rcbasic_runtime/rc_spritelib.h b/rcbasic_runtime/rc_spritelib.h
index 5f45b06..1a05c8e 100644
--- a/rcbasic_runtime/rc_spritelib.h
+++ b/rcbasic_runtime/rc_spritelib.h
@@ -23,10 +23,14 @@ int rc_createSpriteAnimation(int spr_id, int anim_length, double fps)
 	if(!rc_sprite[spr_id].active)
 		return -1;
 
+    if(rc_sprite[spr_id].image_id < 0 || rc_sprite[spr_id].image_id >= rc_image.size())
+        return -1;
+
 	if(anim_length <= 0)
 		anim_length = 1;
 
 	rc_sprite2D_animation_obj animation;
+	animation.src_image_id = rc_sprite[spr_id].image_id;
 	animation.current_frame = 0;
 	animation.fps = fps;
 	animation.frame_swap_time = 1000/fps;
@@ -312,6 +316,21 @@ bool rc_spriteExists(int spr_id)
 	return rc_sprite[spr_id].active;
 }
 
+void rc_getSpriteBoxVertices(int spr_id)
+{
+    b2PolygonShape* shape = (b2PolygonShape*)rc_sprite[spr_id].physics.fixture->GetShape();
+
+    int m_count = shape->m_count;
+
+    rc_sprite[spr_id].physics.vertices.clear();
+
+    for(int i = 0; i < m_count; i++)
+    {
+        rc_sprite[spr_id].physics.vertices.push_back(shape->m_vertices[i]);
+    }
+
+}
+
 int rc_createSprite(int img_id, double w, double h)
 {
 	if(rc_active_canvas < 0 || rc_active_canvas >= rc_canvas.size())
@@ -384,6 +403,8 @@ int rc_createSprite(int img_id, double w, double h)
 
 	rc_sprite[spr_id].physics.body->SetTransform(b2Vec2(w/2, h/2), 0);
 
+	rc_getSpriteBoxVertices(spr_id);
+
 
 	rc_sprite[spr_id].physics.base_offset_x = w/2;
 	rc_sprite[spr_id].physics.base_offset_y = h/2;
@@ -445,6 +466,18 @@ void rc_deleteSprite(int spr_id)
                     rc_canvas[rc_sprite[spr_id].parent_canvas].physics2D.world->DestroyBody(rc_sprite[spr_id].physics.body);
             }
 		}
+		else
+        {
+            int parent_id = rc_sprite[spr_id].parent_sprite;
+
+            if(parent_id >= 0 && parent_id < rc_sprite.size())
+            {
+                if(rc_sprite[parent_id].physics.body)
+                {
+                    rc_sprite[parent_id].physics.body->DestroyFixture(rc_sprite[spr_id].physics.fixture);
+                }
+            }
+        }
 		rc_sprite[spr_id].physics.body = NULL;
 	}
 
@@ -455,6 +488,8 @@ void rc_deleteSprite(int spr_id)
 	rc_sprite[spr_id].animation.clear();
 	rc_sprite[spr_id].child_sprites.clear();
 	rc_sprite[spr_id].parent_sprite = -1;
+	rc_sprite[spr_id].physics.fixture = NULL;
+	rc_sprite[spr_id].physics.body = NULL;
 
 	//std::cout << "DEBUG: Clear " << spr_id << " From " << parent_canvas << std::endl;
 
@@ -503,10 +538,24 @@ int rc_addSpriteChild(int spr_id, int child_sprite_id, double x, double y)
             int v_count = rc_sprite[child_sprite_id].physics.vertices.size();
             b2Vec2 vert[v_count];
 
+            b2PolygonShape* n = (b2PolygonShape*)rc_sprite[spr_id].physics.fixture->GetShape();
+
+            //std::cout << "V_COUNT = " << v_count << ", " << n->m_count << std::endl;
+
+            for(int i = 0; i < v_count; i++)
+            {
+                vert[i] = n->m_vertices[i];
+                //std::cout << "S_OUT: " << vert[i].x << ", " << vert[i].y << std::endl;
+            }
+
             for(int i = 0; i < v_count; i++)
             {
                 vert[i] = b2Mul(t, rc_sprite[child_sprite_id].physics.vertices[i]);
+
+                //std::cout << "V_OUT: " << vert[i].x << ", " << vert[i].y << std::endl;
             }
+
+            shape->Set(vert, v_count);
         }
         break;
 
@@ -543,9 +592,12 @@ int rc_addSpriteChild(int spr_id, int child_sprite_id, double x, double y)
         break;
 	}
 
+	childFixtureDef.isSensor = !rc_sprite[child_sprite_id].isSolid;
 	rc_sprite[child_sprite_id].physics.fixture = rc_sprite[spr_id].physics.body->CreateFixture(&childFixtureDef);
 
 	rc_sprite[child_sprite_id].physics.fixture_def = childFixtureDef;
+	rc_sprite[child_sprite_id].physics.fixture_offset_x = x;
+	rc_sprite[child_sprite_id].physics.fixture_offset_y = y;
 
 	if(rc_sprite[child_sprite_id].physics.body)
 	{
@@ -645,25 +697,27 @@ void rc_removeSpriteChild(int spr_id, int child_index)
 	}
 
 
-	b2BodyDef sprBodyDef;
-
 	int frame_w = rc_sprite[child_sprite_id].frame_size.Width;
 	int frame_h = rc_sprite[child_sprite_id].frame_size.Height;
 
 	float body_x = rc_sprite[child_sprite_id].physics.body->GetPosition().x;
 	float body_y = rc_sprite[child_sprite_id].physics.body->GetPosition().y;
 
-	int x = body_x + rc_sprite[child_sprite_id].physics.fixture_offset_x;
-	int y = body_y + rc_sprite[child_sprite_id].physics.fixture_offset_y;
+	int x = body_x + rc_sprite[child_sprite_id].physics.fixture_offset_x;// - (frame_w/2);
+	int y = body_y + rc_sprite[child_sprite_id].physics.fixture_offset_y;// - (frame_h/2);
 
 	rc_sprite[spr_id].physics.body->DestroyFixture(rc_sprite[child_sprite_id].physics.fixture);
 
+	b2BodyDef sprBodyDef;
 
 	sprBodyDef.type = b2_dynamicBody;
 	sprBodyDef.position.Set(x, y);
 	sprBodyDef.angle = angle;
 	sprBodyDef.userData.pointer = child_sprite_id;
-	rc_sprite[child_sprite_id].physics.body = rc_canvas[rc_active_canvas].physics2D.world->CreateBody(&sprBodyDef);
+
+	int parent_canvas = rc_sprite[child_sprite_id].parent_canvas;
+
+	rc_sprite[child_sprite_id].physics.body = rc_canvas[parent_canvas].physics2D.world->CreateBody(&sprBodyDef);
 
 	rc_sprite[child_sprite_id].isSolid = rc_sprite[spr_id].isSolid;
 	childFixtureDef.isSensor = !rc_sprite[child_sprite_id].isSolid;
@@ -787,6 +841,8 @@ void rc_setSpriteCollisionShape(int spr_id, int sprite_shape)
 			float center_x = actual_x + (rc_sprite[spr_id].physics.offset_x + rc_sprite[spr_id].physics.user_offset_x);
 			float center_y = actual_y + (rc_sprite[spr_id].physics.offset_y + rc_sprite[spr_id].physics.user_offset_y);
 			rc_sprite[spr_id].physics.body->SetTransform(b2Vec2(center_x, center_y), rc_sprite[spr_id].physics.body->GetAngle());
+
+			rc_getSpriteBoxVertices(spr_id);
 		}
 		break;
 
@@ -999,6 +1055,8 @@ void rc_setSpriteBox(int spr_id, int w, int h)
 		rc_sprite[spr_id].physics.body->SetTransform(b2Vec2(bx + off_x, by + off_y), rc_sprite[spr_id].physics.body->GetAngle());
 
 		rc_sprite[spr_id].physics.fixture_def = sprFixtureDef;
+
+		rc_getSpriteBoxVertices(spr_id);
 	}
 }
 
@@ -2195,6 +2253,7 @@ void drawSprites(int canvas_id)
 
 		if(rc_sprite[spr_id].parent_sprite >= 0 && rc_sprite[spr_id].parent_sprite < rc_sprite.size())
         {
+            //std::cout << "ADD OFFSET: " << rc_sprite[spr_id].physics.fixture_offset_x << ", " << rc_sprite[spr_id].physics.fixture_offset_y << std::endl;
             x += rc_sprite[spr_id].physics.fixture_offset_x;
             y += rc_sprite[spr_id].physics.fixture_offset_y;
         }
@@ -2265,12 +2324,19 @@ void drawSprites(int canvas_id)
 			continue;
 		}
 
-		int img_id = sprite->image_id;
-		if(img_id < 0 || img_id >= rc_image.size())
-			continue;
+		int img_id = -1;
 
 		//src_size = rc_image[img_id].image->getSize();
 		int current_animation = sprite->current_animation;
+
+		if(current_animation < 0 || current_animation >= sprite->animation.size())
+            continue;
+
+		img_id = sprite->animation[current_animation].src_image_id;
+
+		if(img_id < 0 || img_id >= rc_image.size())
+			continue;
+
 		if((spr_timer - sprite->animation[current_animation].frame_start_time) >= sprite->animation[current_animation].frame_swap_time)
 		{
 			sprite->animation[current_animation].current_frame++;
diff --git a/rcbasic_runtime/rcbasic_runtime.depend b/rcbasic_runtime/rcbasic_runtime.depend
index 5adbbc7..10defbe 100755
--- a/rcbasic_runtime/rcbasic_runtime.depend
+++ b/rcbasic_runtime/rcbasic_runtime.depend
@@ -1,5 +1,5 @@
 # depslib dependency file v1.0
-1769580220 source:/home/n00b/Projects/RCBASIC4/rcbasic_runtime/main.cpp
+1771296134 source:/home/n00b/Projects/RCBASIC4/rcbasic_runtime/main.cpp
 	"rc_os_defines.h"
 	<emscripten.h>
 	<sys/param.h>
@@ -34,10 +34,10 @@
 	<irrtheora.h>
 	"rc_func130_cases.h"
 
-1771292229 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_os_defines.h
+1771296059 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_os_defines.h
 	<TargetConditionals.h>
 
-1771232878 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_defines.h
+1771309547 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_defines.h
 
 1764140917 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_stdlib.h
 	"rc_os_defines.h"
@@ -1310,7 +1310,7 @@
 	<irrlicht.h>
 	<iostream>
 
-1771199261 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_sprite2D.h
+1771301815 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_sprite2D.h
 	<irrlicht.h>
 	<box2d/box2d.h>
 
@@ -2281,7 +2281,7 @@
 	"rc_gfx_core.h"
 	<irrtheora.h>
 
-1771232878 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_func130_cases.h
+1771309547 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_func130_cases.h
 
 1760243468 source:/home/n00b/Projects/irrBullet/src/irrBullet.cpp
 	"irrBullet.h"
@@ -2503,7 +2503,7 @@
 	<SDL.h>
 	<SDL2/SDL.h>
 
-1771236229 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_spritelib.h
+1771302491 /home/n00b/Projects/RCBASIC4/rcbasic_runtime/rc_spritelib.h
 	"SDL.h"
 	<SDL2/SDL.h>
 	"rc_sprite2D.h"