diff --git a/README.md b/README.md
index df2952b..133baa2 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ Un motor de videojuego escrito usando Golang 100% usando la poderosa libreria Ra
 
 ![Raylib](https://github.com/raysan5/raylib)
 ![Raylib-go](https://github.com/gen2brain/raylib-go)
+
 ### Ejemplo
 - Hola cuadrado
 ```go
diff --git a/engine/gameObject.go b/engine/gameObject.go
index acff612..2fa8cb1 100644
--- a/engine/gameObject.go
+++ b/engine/gameObject.go
@@ -107,13 +107,22 @@ func (g *GameObject) IsInGroup(gr string) bool {
 	}
 	return false
 }
+
 func (g *GameObject) Position() Position {
 	return g.position
 }
+
+/*
+physics type: Colliders and collisions[OFF]
+*/
 func (g *GameObject) SetPosition2(x, y int32) {
 	g.position.X = x
 	g.position.Y = y
 }
+
+/*
+physics type: Colliders and collisions[OFF]
+*/
 func (g *GameObject) SetPosition(pos Position) {
 	g.position = pos
 }
diff --git a/engine/physics.go b/engine/physics.go
index f3e4cf3..786c179 100644
--- a/engine/physics.go
+++ b/engine/physics.go
@@ -20,9 +20,6 @@ func RayCast(idToIgnore int, initPos Position, dirreccion Position, long uint32,
 	ojb := _newGameObjectUnregister(initPos, NewSize(2, 2), SHAPE_RECTANGLE, idToIgnore)
 	for i = 0; i < long; i += uint32(jump) {
 		vectorPos := NewPosition(initPos.X+dirreccion.X+int32(i), initPos.Y+dirreccion.Y+int32(i))
-		//fmt.Println(vectorPos)
-		//if rl.CheckCollisionRecs(rl.NewRectangle(ConvertPosition(vectorPos).X,ConvertPosition(vectorPos).Y,))
-		//rl.DrawLine(initPos.X, initPos.Y, initPos.X+(int32(jump)*int32(long)), initPos.Y+(int32(jump)*int32(long)), rl.Brown)
 		if cp23 := ojb.collision.OnCollisionPos(vectorPos); cp23 != nil {
 			return cp23
 		}