midterm_crazyclock

​

var NUMSINES = 6; 

var sines = new Array(NUMSINES); 

var rad;

var i; 

​

var fund = 0.05; 

var ratio = 2;

​

var trace = false; 

​

var bgm;

​

var a,b,c;

​

function preload(){

  bgm = loadSound("bgm.wav");

}

​

function setup()

{

  createCanvas(windowWidth, windowHeight);

  bgm.setVolume(0.1);

  bgm.loop();

  rad = height/4; 

  background(255); 

​

  b = min(width, height);

  a = b / 1; //

  colorMode(HSB, 255);

​

  for (i = 0; i<sines.length; i++)

  {

    sines[i] = PI;  

  }

}

function draw()

{

  if (!trace) {

    background(0); 

    strokeWeight(3);

    stroke("white");

    noFill();

    ellipse (720, 380, 600,600);

//pulse   

  c = a + sin(frameCount / (a / 160) + HALF_PI) * a / 1;

  stroke(100 + c / 13, 255, 255);

  strokeWeight(3);

  circle(width / 2, height / 2, c);

    textSize(25);

text('3', width/2, height/6);

text('10', width/2, (height/6)*5);

text('4', width/3, height/2);

text('7', (width/3)*2, height/2);

  } 

​

  // game

  push(); 

  translate(width/2, height/2); 

​

  for (i = 0; i<sines.length; i++) 

  {

    if (trace) {

      stroke(0, 0, 255*(float(i)/sines.length), alpha); 

      fill(0, 0, 255,52); 

      erad = (5.0*2.0-float(i)/sines.length);

    }

    var radius = rad/(i+3); 

    var rot = -sines[i/6];

    rotate(rot);

    if (!trace) ellipse(1, 0, radius*1, radius*1);

    push(); 

    translate(0, radius); 

    stroke(255);

    if (!trace) ellipse(0, 0, 5, 5);

    fill(random(255), random(255), 255);

    if (trace) ellipse(0, 0, erad, erad);

    pop(); 

    translate(0, radius); 

    sines[i] = (sines[i]+(fund))%TWO_PI; 

​

​

  }

  pop();

}

​

function keyReleased()

{

  if (key==' ') {

    trace = !trace; 

    background(255);

  }

}