snakeiic.js

var refreshRate = 100; var particleLimit = 15;
var snake = {
x: (window.innerWidth * Math.random()) - window.pageXOffset,
y: (window.innerHeight * Math.random()) - window.pageYOffset,
dx: Math.ceil(Math.random() * 30) - 15,
dy: Math.ceil(Math.random() * 30) - 15,
atan2: Math.atan2(this.dx, this.dy) + (Math.PI / 2), body: [],
update: function () {
if (this.x < 0) { this.x = 0; this.dx = -this.dx;}
else if (this.x > window.innerWidth) { this.x = window.innerWidth; this.dx = -this.dx; }
if (this.y < 0) { this.y = 0; this.dy = -this.dy; }
else if (this.y > window.innerHeight) { this.y = window.innerHeight; this.dy = -this.dy; }
var ddx = (this.dx + ((Math.random() * 10) - 5));
var ddy = (this.dy + ((Math.random() * 10) - 5));
this.x = this.x + ddx;
this.y = this.y + ddy;
this.atan2 = Math.atan2(ddy, ddx) + (Math.PI / 2);
this.body.unshift({ x: this.x, y: this.y, atan2: this.atan2 });
if (this.body.length > particleLimit) { this.body.pop(); }
for (var i = this.body.length - 1; i >= 0; --i) {
  mouseClick({ clientX: this.body[i].x - window.pageXOffset, clientY: this.body[i].y - window.pageYOffset, button: 0 });
  IIC.setPosition(this.body[i].x - window.pageXOffset, this.body[i].y - window.pageYOffset);
  IIC.makeGhost(this.body[i].x - window.pageXOffset, this.body[i].y - window.pageYOffset, IIC.getId);
} }
};
setInterval(function () { snake.update(); }, refreshRate);