How to Make the Eye Monsters Disappear?

Amirrudin_ISM

I'm making a simple space invader clone. I got everything down except making the eye monsters disappear after getting hit. I'm using a for-loop for drawing them.

Here's the code:

   void setup(){
      size(500,500);

    }

    void draw(){
      frameRate(60);
      clear();
      spaceBackground();
      spaceship();
       for(int i=0;i<9;i++){
        for(int j=0; j<1; j++){
          enemies(50*i+50,50*j+50);
      }
     }

      if (mousePressed){
        clicked = 1;
      }

      if (clicked == 1){
        xPos = mouseX;
        bullet();
        bulletSpeed();
        if (yPos <= 0){
         yPos = 375;
         clicked = 0;
        }
      }
    }

    void spaceship(){// draws spaceship
      noStroke();
      fill(255,0,0);
      triangle(mouseX,390,mouseX-30,460,mouseX+30,460);
      fill(255,255,0);
      triangle(mouseX-15,420,mouseX-30,460,mouseX-15,460);
      fill(255,255,0);
      triangle(mouseX+15,420,mouseX+30,460,mouseX+15,460);
      fill(0,0,255);
      ellipse(mouseX,435,20,20);
      fill(255);
      ellipse(mouseX+3,435-5,6,6);
    }

    void spaceBackground(){ //draws starry background
      for(int i=0;i<20;i++){
        for(int j=0;j<20;j++){
          strokeWeight(2);
          stroke(random(255), random(255),random(255));
          point(random(0,width),random(0,height));
        }
      }
    }

    float yPos=375;
    float ySpeed=50;

    void bulletSpeed(){//functions that adds vertical speed to the bullets
     yPos=yPos-ySpeed;
    }



    void bullet(){//draws bullet
      for(int i=5;i>0;i--){
        noStroke();
        fill(i*50,i*50,255);
        ellipse(xPos,yPos,i*5,i*5);
      }
    }

    void enemies(int xPos, int yPos){//draws eye aliens
      stroke(0);
      fill(255);
      strokeWeight(1);
      ellipse(xPos,yPos,40,40);
      fill(255,0,0);
      ellipse(xPos,yPos,20,20);
      strokeWeight(4);
      point(xPos,yPos);
      stroke(255);
      point(xPos+3,yPos-3);
    }

Sorry about the really bad layout. I'm new to these things.

koogs

edit post, highlight the code, press ctrl-o to format.

koogs

you'll need to delete all the backticks you've already added.

kfrajer

Please check previous posts related to your problem. You will need an array list to keep track of your bullets and other objects. You can find related discussions here: https://forum.processing.org/two/search?Search=bullet

If you browse few of those post, you might find one that shows the proper approach.

Kf