From 30d425aa26a3aa802cb2ff55f1f7655be056f3ed Mon Sep 17 00:00:00 2001
From: jussi
Date: Thu, 31 Mar 2022 13:55:02 +0300
Subject: Screen-space related functions for 3DCamera.

---
 src/lua_core.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'src/lua_core.c')

diff --git a/src/lua_core.c b/src/lua_core.c
index 4cfbafd..6006474 100644
--- a/src/lua_core.c
+++ b/src/lua_core.c
@@ -597,6 +597,10 @@ void luaRegister() {
 	lua_register( L, "RL_GetGestureDragAngle", lcoreGetGestureDragAngle );
 	lua_register( L, "RL_GetGesturePinchVector", lcoreGetGesturePinchVector );
 	lua_register( L, "RL_GetGesturePinchAngle", lcoreGetGesturePinchAngle );
+		/* Screen-space. */
+	lua_register( L, "RL_GetMouseRay", lcoreGetMouseRay );
+	lua_register( L, "RL_GetCameraMatrix", lcoreGetCameraMatrix );
+	lua_register( L, "RL_GetWorldToScreen", lcoreGetWorldToScreen );
 
 	/* Shapes. */
 		/* Drawing. */
@@ -1304,6 +1308,28 @@ void uluaPushMatrix( lua_State *L, Matrix matrix ) {
 	lua_rawseti( L, -2, 4 );
 }
 
+void uluaPushRay( lua_State *L, Ray ray ) {
+	lua_createtable( L, 2, 0 );
+
+	lua_createtable( L, 3, 0 );
+	lua_pushnumber( L, ray.position.x );
+	lua_rawseti( L, -2, 1 );
+	lua_pushnumber( L, ray.position.y );
+	lua_rawseti( L, -2, 2 );
+	lua_pushnumber( L, ray.position.z );
+	lua_rawseti( L, -2, 3 );
+	lua_rawseti( L, -2, 1 );
+
+	lua_createtable( L, 3, 0 );
+	lua_pushnumber( L, ray.direction.x );
+	lua_rawseti( L, -2, 1 );
+	lua_pushnumber( L, ray.direction.y );
+	lua_rawseti( L, -2, 2 );
+	lua_pushnumber( L, ray.direction.z );
+	lua_rawseti( L, -2, 3 );
+	lua_rawseti( L, -2, 2 );
+}
+
 void uluaPushRayCollision( lua_State *L, RayCollision rayCol ) {
 	lua_createtable( L, 4, 0 );
 	lua_pushboolean( L, rayCol.hit );
-- 
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