Paper.js subtract
by Imabot
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/paper.js/0.12.11/paper-full.min.js"></script>
<canvas id="canvas" resize></canvas>
CSS
html,
body {
margin: 0;
overflow: hidden;
height: 100%;
}
canvas[resize] {
background: #ccc;
cursor: pointer;
width: 100%;
height: 100%;
margin:0;
}
JavaScript
window.addEventListener("contextmenu", function(event){
//document.body.addEventListener("contextmenu", function(event){
console.log ('Right click');
//event.stopImmediatePropagation();
event.stopPropagation();
return false;
//return true;
});
//var canvas = document.getElementById("canvas");
paper.install(window);
paper.setup(canvas);
var c1 = new Path.Circle(new Point(200, 140), 100);
c1.fillColor = 'red';
c1.visible = true;