Added initial files.

include/rmath.h

@@ -0,0 +1,50 @@
+#pragma once
+
+int imin( int a, int b );
+int imax( int a, int b );
+
+/* Vector2. */
+int lmathVector2Add( lua_State *L );
+int lmathVector2Subtract( lua_State *L );
+int lmathVector2Multiply( lua_State *L );
+int lmathVector2Length( lua_State *L );
+int lmathVector2DotProduct( lua_State *L );
+int lmathVector2Distance( lua_State *L );
+int lmathVector2Angle( lua_State *L );
+int lmathVector2Normalize( lua_State *L );
+int lmathVector2Lerp( lua_State *L );
+int lmathVector2Reflect( lua_State *L );
+int lmathVector2Rotate( lua_State *L );
+int lmathVector2MoveTowards( lua_State *L );
+/* Vector3. */
+int lmathVector3Add( lua_State *L );
+int lmathVector3Subtract( lua_State *L );
+int lmathVector3Multiply( lua_State *L );
+int lmathVector3CrossProduct( lua_State *L );
+int lmathVector3Perpendicular( lua_State *L );
+int lmathVector3Length( lua_State *L );
+int lmathVector3LengthSqr( lua_State *L );
+int lmathVector3DotProduct( lua_State *L );
+int lmathVector3Distance( lua_State *L );
+int lmathVector3Normalize( lua_State *L );
+int lmathVector3OrthoNormalize( lua_State *L );
+int lmathVector3Transform( lua_State *L );
+int lmathVector3RotateByQuaternion( lua_State *L );
+int lmathVector3Lerp( lua_State *L );
+int lmathVector3Reflect( lua_State *L );
+/* Matrix. */
+int lmathMatrixDeterminant( lua_State *L );
+int lmathMatrixTranspose( lua_State *L );
+int lmathMatrixInvert( lua_State *L );
+int lmathMatrixNormalize( lua_State *L );
+int lmathMatrixIdentity( lua_State *L );
+int lmathMatrixAdd( lua_State *L );
+int lmathMatrixSubtract( lua_State *L );
+int lmathMatrixMultiply( lua_State *L );
+int lmathMatrixTranslate( lua_State *L );
+int lmathMatrixRotate( lua_State *L );
+int lmathMatrixScale( lua_State *L );
+int lmathMatrixFrustum( lua_State *L );
+int lmathMatrixPerspective( lua_State *L );
+int lmathMatrixOrtho( lua_State *L );
+int lmathMatrixLookAt( lua_State *L );