diff --git a/main.go b/main.go
index f998a30..2b70e6c 100644
--- a/main.go
+++ b/main.go
@@ -69,10 +69,8 @@ func physics(particleList *[MAXPOINTS]rl.Vector2, particleCount int, particleLis
 			if rl.CheckCollisionCircleLine(particleList[i], *particleRadius, floor.lu, floor.ru) {
 				var floorVector rl.Vector2 = rl.Vector2Subtract(floor.ru, floor.lu)
 				var normalFloor rl.Vector2 = rl.Vector2Rotate(floorVector, -90)
-				var collisionAngle float32 = 2 * rl.Vector2Angle(particleSpeed[i], normalFloor)
-				particleSpeed[i] = rl.Vector2Rotate(
-					particleSpeed[i],
-					collisionAngle)
+				//var collisionAngle float32 = 2 * rl.Vector2Angle(rl.Vector2Negate(particleSpeed[i]), normalFloor)
+				particleSpeed[i] = rl.Vector2Reflect(rl.Vector2Negate(particleSpeed[i]), normalFloor)
 			}
 			particleList[i] =
 				rl.Vector2Add(
@@ -126,7 +124,7 @@ func main() {
 
 	spawnParticlesAsGrid(particleWidth, particleHeight, particleColumnCount, particleRowCount, &particleList)
 
-	var floor quad = createRectangle(rl.Vector2{600, 700}, 600, 100, 0)
+	var floor quad = createRectangle(rl.Vector2{600, 700}, 600, 100, 0.5)
 
 	go physics(&particleList, particleCount, &particleListKey, &floor, &particleRadius)