GetCollisionV

src/raylib.h

@@ -1327,6 +1327,7 @@ RLAPI bool CheckCollisionPointLine(Vector2 point, Vector2 p1, Vector2 p2, int th
 RLAPI bool CheckCollisionPointPoly(Vector2 point, const Vector2 *points, int pointCount);                // Check if point is within a polygon described by array of vertices
 RLAPI bool CheckCollisionLines(Vector2 startPos1, Vector2 endPos1, Vector2 startPos2, Vector2 endPos2, Vector2 *collisionPoint); // Check the collision between two lines defined by two points each, returns collision point by reference
 RLAPI Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2);                                         // Get collision rectangle for two rectangles collision
+RLAPI Vector2 GetCollisionV(Rectangle rec1, Rectangle rec2);                                             // Get collision vector for two rectangles collision
 
 //------------------------------------------------------------------------------------
 // Texture Loading and Drawing Functions (Module: textures)

src/rshapes.c

@@ -2463,6 +2463,36 @@ Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2)
     return overlap;
 }
 
+// Get collision vector for two rectangles collision
+Vector2 GetCollisionV(Rectangle rec1, Rectangle rec2)
+{
+    Rectangle inter = GetCollisionRec(rec1, rec2);
+
+    Vector2 result = { 0.0f, 0.0f };
+
+    if (inter.width <= 0.0f || inter.height <= 0.0f)
+        return result;
+
+    float ax = rec1.x + rec1.width  * 0.5f;
+    float ay = rec1.y + rec1.height * 0.5f;
+    float bx = rec2.x + rec2.width  * 0.5f;
+    float by = rec2.y + rec2.height * 0.5f;
+
+    float overlapX = inter.width;
+    float overlapY = inter.height;
+
+    float signX = (ax < bx) ?  1.0f : -1.0f;
+    float signY = (ay < by) ?  1.0f : -1.0f;
+
+    if (overlapX < overlapY) {
+        result.x = signX * overlapX;
+    } else {
+        result.y = signY * overlapY;
+    }
+
+    return result;
+}
+
 //----------------------------------------------------------------------------------
 // Module Internal Functions Definition
 //----------------------------------------------------------------------------------