public void CollisionCheck() { //Checks to see if Roll has lost the game and takes user to game over screen if (doodoo.Collision(roll)) { gameTimer.Enabled = false; Form f = this.FindForm(); GameOverScreen gos = new GameOverScreen(); f.Controls.Remove(this); f.Controls.Add(gos); gos.Focus(); } //Removes power-up wall if (redpowerupEnabled) { redpowerupRec = new Rectangle(redpowerupX, redpowerupY, powerupSize, powerupSize); if (roll.Collision(redpowerupRec)) { wallPlaced = false; redpowerupEnabled = false; turnCounter = true; } } //Removes power-up speed boost if (bluepowerupEnabled) { bluepowerupRec = new Rectangle(bluepowerupX, bluepowerupY, powerupSize, powerupSize); if (roll.Collision(bluepowerupRec)) { bluepowerupEnabled = false; } } }