Circle Collision Lesson

float x;

float y;

float x2 = 300;

float y2 = 300;

float d = 150;

float d2 = 500;

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void setup() {

  size(screenWidth, screenHeight);

  background(240);

​

}

​

void draw() {

  background(240);

  x = mouseX;

  y = mouseY;

  fill(255);

  stroke(200);

  ellipse(x2, y2, d2, d2);

  if(dist(x, y, x2, y2)<(d/2)+(d2/2)){

    fill(255, 0, 0);

    stroke(200, 0, 0);

  } else {

    fill(0, 255, 0);

    stroke(0, 200, 0);

  }

  ellipse(x, y, d, d);

}