particleSystem Kaleidoscope<br>

// Left mouse to toggle  between rect or ellipse particles.

// Right mouse to toggle rotation/roll of particles.

// Kaleidoscope structure from "Kaleidoscope" by Jeremy English, sketch #30186.

// boolean, PGraphics, PImage, class, function, translate, rotate, particle system

// PVector, pixels, ArrayList, frameCount, color, random, kaleidoscope

​

shapeGen  sGen;

PGraphics  sourcePG, next;

Triangle tri;

boolean isRect, rtt;

​

void setup() {

  frameRate(30);

  size(700, 600);

  colorMode(HSB, 360, 100, 100, 100);

  tri = new Triangle();

  sGen = new shapeGen();

  sourcePG = createGraphics(100, 173);

  next = createGraphics(100, 173);

  isRect = false;

  rtt = true;

}

​

​

void draw() {

  background(0);

  drawHex();

  sourcePG = makeShapes(); // make PGraphic from moving particles

  tri.clipSourcePG(); // clip tri from sourcePG

  float theta = 0;

  for (int i = 0; i < 6; i++) {

    pushMatrix();

    translate(width/2, height/2);

    rotate(theta);

    tri.drawImgTri(); // draw clipped tri collected by clipSourcePG

    PImage img = flipImage(tri.clippedImg); // then flip

    image(img, -100, 0); // and draw flipped img

    popMatrix();

    theta += PI/3;

  }

  overlay();

}

​

void mousePressed() {

  if (mouseButton == LEFT) isRect = !isRect;

  if (mouseButton == RIGHT) rtt = !rtt;

}

​