Add a function to know if two lines intersect each other and if yes, get the intersection point

src/raymath.h

@@ -336,6 +336,21 @@ RMDEF Vector2 Vector2MoveTowards(Vector2 v, Vector2 target, float maxDistance)
     return result;
 }
 
+// Get the intersection point of two lines A and B defined by A(p1, p2) and B(p3, p4)
+RMDEF Vector2 Vector2LineIntersect(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4)
+{
+    Vector2 result = { 0 };
+    const float div = (p4.y - p3.y)*(p2.x - p1.x) - (p4.x -p3.x)*(p2.y - p1.y);
+
+	if (div == 0.f) return result;
+
+	const float coeff = ((p4.x - p3.x)*(p1.y - p3.y) - (p4.y - p3.y)*(p1.x - p3.x)) / div;
+
+	result.x = p1.x + (p2.x - p1.x) * coeff;
+    result.y = p1.y + (p2.y - p1.y) * coeff; 
+	return result;
+}
+
 //----------------------------------------------------------------------------------
 // Module Functions Definition - Vector3 math
 //----------------------------------------------------------------------------------