delete

delete

by electronoob

HTML

<canvas id="zap" width="400" height="400"></canvas>

JavaScript

var scale = 1.0;
var ctx = zap.getContext("2d");
var x = 20, y = 40;
var debug = "wait";
setInterval(function () {
	ctx.clearRect(0,0,zap.width,zap.height);
	ctx.fillRect(x,y,10,10);
  ctx.lineWidth = 1;
  ctx.font = "32px verdana";
  ctx.fillText(debug + "/" + scale,300,380);
},10);
zap.addEventListener("wheel", function (e) {
    e.preventDefault();
		//debug = e.
    console.log(e);
    scale += e.deltaY * 0.001;
    mouse = {};
    mouse.x = e.clientX - zap.offsetLeft;
    mouse.y = e.clientY - zap.offsetTop;
    
});