make a cool cardioid!

multiCardiPoint.pde

// initalize the variables
float r, b;// r is the radius, b defines how many lobes it has
float theta;// theta is the angle

// sets up the program
void setup() {
  size(600, 600);
  r = height * .25;
  b = 3;// the number of lobes will always be b-1. this will produce 2 lobes*
  theta = 0;// initializes theta*
  background(0);// black background*
  frameRate(1000);// sets the framerate*
  pixelDensity(2);
}

// draws everything out
void draw() {
  stroke(random(255), random(255), 255);// makes colorful dots *
  strokeWeight(random(5));// the thickness of the stroke is up to 5
  pushMatrix();// pushes the grid to a certain point
  translate(width/2, height/2);// makes (0,0) at the center of the canvas *
  
  // the first xy coordinates
  float x = r*sin(theta/1);
  float y = r*cos(theta/1);
  
  // the second xy coordinates, making it b times the original xy
  float x2 = r*sin(b*theta);
  float y2 = r*cos(b*theta);
  
  // subtracts both from each other, making so that it produces a point at the xy coordinates: (r*sin((b-1)*theta), r*cos((b-1)*theta))
  point((x2-x)/1, (y2-y)/1);//*
  theta+=0.5;//*
  r = 90;//*
  popMatrix();
}
// * -> play around with these variables