Collision

float r,g,b;
int x, y;

void setup()
{
  size(500, 500);
  ellipseMode(CORNER);
}

void draw()
{
  
 

  background(255, 0 ,0);
  noStroke();
  fill(100,10,10);
 ellipse(x, y, 100, 100);

    
  fill(0,255,255);
  rect(100, 150, 10 , 100);
 
 
   color c = get(x + 100, y + 100);
r = red(c);
println(x);
println(y);
 
  
   if(r == 0 )
   {
     println("test");
     x = x-5;
     y =y-5 ;
   } else if (r == 255) {
   println("here");
   }

}

void keyPressed()
{
  if(key == CODED)
  {
    if(keyCode == RIGHT)
    {
      x = x+5;
    }
    else if(keyCode == LEFT)
    {
      x = x-5;
    }
    else if(keyCode == UP)
    {
      y = y-5;
    }
    else if(keyCode ==DOWN)
  {
    y = y +5;
  }
  }
}