solar system

int tick;

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ArrayList < celestial > planets = new ArrayList < celestial > ();

celestial Star;

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void setup() {

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  size(1000, 1000);

  fullScreen();

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  Star = new celestial(width / 2, height / 2, 50, 4, 0.2, color(245, 255, 43));

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  for (int i; i < 101; i++;) {

    planets.add(0, new celestial(width / 2, height / 2, random(2, 10), (i * 10 + random(14)) + 50, random(0.1, 1), color(random(255), random(255), random(255))));

  }

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}

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void draw() {

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  background(15, 15, 25);

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  Star.render();

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  for (celestial body: planets) {

    body.render();

  }

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  tick++;

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}

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class celestial {

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  float xpos, ypos;

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  float orx, ory, size, orrad, orspd;

  color rgb, lighter;

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  celestial(float orx, ory, size, orrad, orspd, color rgb) {

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    this.orx = orx;

    this.ory = ory;

    this.size = size;

    this.orrad = orrad;

    this.orspd = orspd / 10;

    this.rgb = rgb;

    this.lighter = lerpColor(rgb, color(255, 255, 255), .5);

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  }

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  void render() {

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    xpos = orx + (sin(tick * orspd) * orrad);

    ypos = ory + (cos(tick * orspd) * orrad);

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    xpos += mouseX / -15;

    ypos += mouseY / -15;

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    noStroke();

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    fill(lighter);

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    ellipse(xpos, ypos, size * 1.5, size * 1.5);

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    fill(rgb);

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    ellipse(xpos, ypos, size, size);

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  }

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}