spiralMandala - OpenProcessing

spiralMandala
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// Left or right mouse to render. 
// triangle, pentagon, radial, spiral,
// tessellation, ring, wheel, circle, Mandala, vertex 
​
​
FiveSides f;
color c0, c1, c2, c3, c4;
color[] palette = {
  #000000, #E25272, #EA6CF6, #5C61D4, #66DFF6, 
  #A1BC8C, #EFE4B0, #FEC285, #000000, #FFFFFF
};
​
​
void setup() {
  fullScreen();
  //size(650, 650);
  stroke(255);
  strokeWeight(.5);
  c0 = c1 = c2 = c3 = c4 = 0;
  background(0);
}
​
​
void draw() { 
  translate(width/2, height/2);
  drawRing(220);
  drawRing(159);
  drawRing(115);
  drawRing(82);
  drawRing(59);
  drawRing(42);
  drawRing(20);
}
​
​
void drawRing(float rad) {
  float  r = rad/4.24;
  for (float a = 0; a < TWO_PI; a += TWO_PI/10) {
    pushMatrix();
    translate(cos(a) * rad, sin(a) * rad);
    rotate(a + TWO_PI/20);
    f = new FiveSides(r);
    popMatrix();
  }
}
​
​
class FiveSides {
  int n = 0;
  float r;
​
  FiveSides(float rin) {
    r = rin;
    for (float ang = radians (18); ang < TWO_PI; ang += TWO_PI/5) {
      pushMatrix();
      translate(cos(ang) * r, sin(ang) * r);
      rotate(ang);
      if (n == 0)fill(c0);
      if (n == 1)fill(c1);
      if (n == 2)fill(c2);
      if (n == 3)fill(c3);
      if (n == 4)fill(c4);
      drawTri();
      popMatrix();
      n++;
    }
  }
​
  void drawTri() {
    beginShape();
    float theta = -TWO_PI/10;
    for (float j = 0; j < 3; j++) {
      theta +=  radians(108);
      vertex(cos(theta) * r, sin(theta) * r);
    }
    endShape(CLOSE);
  }
}
​
void mousePressed() {
  if (mouseButton == LEFT){
    background(palette[int(random(0, 10))]);
    stroke(255);
  }
  if (mouseButton == RIGHT){
    background(0);
    stroke(#FAFC6B);
  }
  c0 = palette[int(random(0, 10))];
  c1 = palette[int(random(0, 10))];
  c2 = palette[int(random(0, 10))];
  c3 = palette[int(random(0, 10))];
  c4 = palette[int(random(0, 10))];
}
​
​
​