Tutorial 01 - Planets

int number = 20;

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void setup() {

  size(512, 512);

  noStroke();

}

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void draw() {

  // MOVE 0/0 POINT TO CENTER

  translate(width/2, height/2);

  // OVERWRITE CANVAS WITH TRANSPARENT IMAGE 

  fill(255,51);

  rect(-width/2, -height/2, width, height);

  // CALL FUNCTION TO DRAW PLANET 20 TIMES

  for (int i=0; i<number; i++) {

    color c3 = color(random(0, 255), random(0, 255), random(0, 255));

    drawPlanet(random(-width/2, width/2), random(-height/2, height/2), c3, random(50, 100));

  }

}

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// FUNCTION TO DRAW PLANET. RECEIVES PARAMETERS FOR X, Y, COLOR AND SIZE 

void drawPlanet(float in_x, float in_y, color in_color, float in_size) {

  fill(in_color);

  ellipse(in_x, in_y, in_size, in_size);

}

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