Just playing around with matter.js and sprites.
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Created
June 23, 2018 15:34
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Playing with Matter
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| // Matter module aliases | |
| var Engine = Matter.Engine, | |
| World = Matter.World, | |
| Body = Matter.Body, | |
| Bodies = Matter.Bodies, | |
| Constraint = Matter.Constraint, | |
| Composites = Matter.Composites, | |
| MouseConstraint = Matter.MouseConstraint; | |
| // create a Matter.js engine | |
| var engine = Engine.create(document.body, { | |
| render: { | |
| options: { | |
| wireframes: false, | |
| background: '//s3-us-west-2.amazonaws.com/s.cdpn.io/28963/ball-bk2.jpg' | |
| } | |
| } | |
| }); | |
| // add a mouse controlled constraint | |
| var mouseConstraint = MouseConstraint.create(engine); | |
| World.add(engine.world, mouseConstraint); | |
| // some settings | |
| var offset = 30, | |
| wallOptions = { | |
| isStatic: true | |
| }; | |
| // add some invisible some walls to the world | |
| World.add(engine.world, [ | |
| Bodies.rectangle(400, -offset, 800 + 2 * offset, 50, wallOptions), | |
| Bodies.rectangle(400, 600 + offset, 800 + 2 * offset, 50, wallOptions), | |
| Bodies.rectangle(800 + offset, 300, 50, 600 + 2 * offset, wallOptions), | |
| Bodies.rectangle(-offset, 300, 50, 600 + 2 * offset, wallOptions) | |
| ]); | |
| //create a stack | |
| var stack = Composites.stack(6, 6, 12, 4, 0, 0, function(x, y, column, row) { | |
| if (Math.random() > 0.5) { | |
| return Bodies.rectangle(x, y, 64, 64, { | |
| render: { | |
| sprite: { | |
| texture: '//s3-us-west-2.amazonaws.com/s.cdpn.io/28963/box-grape-blue.png' | |
| } | |
| } | |
| }); | |
| } else if (Math.random() > 0.9) { | |
| return Bodies.rectangle(x, y, 64, 64, { | |
| render: { | |
| sprite: { | |
| texture: '//s3-us-west-2.amazonaws.com/s.cdpn.io/28963/box-grape-red.png' | |
| } | |
| } | |
| }); | |
| } else if (Math.random() > 0.7) { | |
| return Bodies.circle(x, y, 46, { | |
| density: 0.0005, | |
| frictionAir: 0.06, | |
| restitution: 0.3, | |
| friction: 0.06, | |
| render: { | |
| sprite: { | |
| texture: '//s3-us-west-2.amazonaws.com/s.cdpn.io/28963/ball-grape-green.png' | |
| } | |
| } | |
| }); | |
| } else { | |
| return Bodies.circle(x, y, 46, { | |
| density: 0.0005, | |
| frictionAir: 0.06, | |
| restitution: 0.3, | |
| friction: 0.06, | |
| render: { | |
| sprite: { | |
| texture: '//s3-us-west-2.amazonaws.com/s.cdpn.io/28963/ball-grape.png' | |
| } | |
| } | |
| }); | |
| } | |
| }); | |
| // add the stack to the world | |
| World.add(engine.world, stack); | |
| // run the engine | |
| Engine.run(engine); |
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| <script src="https://cdnjs.cloudflare.com/ajax/libs/matter-js/0.12.0/matter.min.js"></script> |
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| body { | |
| background: #111; | |
| text-align: center; | |
| } | |
| canvas { | |
| display: inline-block; | |
| max-width: 100%; | |
| max-height: 300px; | |
| } | |
| canvas:active { | |
| cursor: pointer; | |
| cursor: grabbing; | |
| } |
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