Austin Garcia – Project 07 – Section C

sketch

/*		Austin Garcia
		Section C
		aegarcia@andrew.cmu.edu
		Project 07
*/
var pointsN = 100;

function setup() {
    createCanvas(480, 480);
}

function draw() {
    background(0);
    stroke(mouseX / 2, mouseY / 2, 0);
    noFill();

    //map to mouse
    strokeWeight(.5);
    push();
    var xMouse = mouseX;
    var yMouse = mouseY;
    translate(xMouse, yMouse);
    drawHypocycloid();
    pop();

  }

function drawHypocycloid() {
  //set variables
  var x;
  var y;
  var mX = map(mouseX, 0, width, 0, width / 2);
  var mY = map(mouseY, 0, height, 0, height / 2);

  //draw lines
  beginShape();
  for (var i = 0; i < pointsN; i++) {
      var m = map(i, 0, pointsN, 0 ,PI / 2);
      vx = (mX - mY) * cos(m) - mX * cos((mX - mY) * m);
      vy = (mX - mY) * sin(m) - mX * sin((mX - mY) * m);
      vertex(vx, vy);
  }
  endShape();
}

Author: Austin Garcia

5th year Architecture Student View all posts by Austin Garcia