public void checkCollision() {

            // check collision
            for (Sprite floor: floors) {
                GAME_OVER = GAME_OVER || blob.intersectsSprite(floor);

            }

            for (Sprite pipe : upperPipes) {
                GAME_OVER = GAME_OVER || blob.intersectsSprite(pipe);

            }

            for (Sprite pipe : lowerPipes) {
                  GAME_OVER = GAME_OVER || blob.intersectsSprite(pipe);
            }

            //TODO check if blob hit yarn or rats or whatever for points
            //if rat hits yarn DEF.score -= 5
            for (Sprite yarn : yarns) {
                for (Sprite rat: rats) {
                    if(rat.intersectsSprite(yarn)) {
                        if (rat.getCollided() == true) {
                            scoreLabel.setText(String.valueOf(DEF.score));
                        }
                        else if(rat.getCollided() == false){
                             DEF.score -= 2;
                             System.out.println(DEF.score);
                             scoreLabel.setText(String.valueOf(DEF.score));

                         }
                        rat.setCollided(true);

            }}}


            //if blob hits yarn +=5
            for (Sprite Yarn : yarns) {
                  if(blob.intersectsSprite(Yarn)) {
                        if (Yarn.getCollided() == true) {
                            scoreLabel.setText(String.valueOf(DEF.score));
                        }
                        else if(Yarn.getCollided() == false){
                             DEF.score += 5;
                             System.out.println(DEF.score);
                             scoreLabel.setText(String.valueOf(DEF.score));

                         }
                        Yarn.setCollided(true);

                    }

                  }




            for (Sprite Rat: rats) {
                GAME_OVER = GAME_OVER || blob.intersectsSprite(Rat);
            }




            // end the game when blob hit stuff
            if (GAME_OVER) {
                showHitEffect();
                for (Sprite floor: floors) {
                    floor.setVelocity(0, 0);
                }
                DEF.lives = DEF.lives - 1;
                    DEF.score = 0;
                    scoreLabel.setText(String.valueOf(DEF.score));
                  System.out.println(DEF.lives);
                  livesLabel.setText(String.valueOf(DEF.lives) + " lives left");
                timer.stop();
            }}