A series of related examples:
- Pixi.js geometric zooming
- Canvas geometric zooming
- Canvas semantic zooming
- SVG geometric zooming
- SVG semantic zooming
Last active
August 7, 2019 06:29
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Pixi.js Geometric Zooming
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| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>Pixi!!!</title> | |
| <style> | |
| .overlay { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| </style> | |
| <body> | |
| <canvas id='pixiCanvas' /> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/3.0.11/pixi.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var numCircles = 10000; | |
| var pixiCanvas = d3.select('#pixiCanvas'); | |
| var renderer = PIXI.autoDetectRenderer(width, height, { backgroundColor: 0xffffff, | |
| antialias: true, view: pixiCanvas.node() }); | |
| document.body.appendChild(renderer.view); | |
| pixiCanvas.call(d3.behavior.zoom().scaleExtent([1, 8]).on("zoom", zoom)) | |
| function zoom() { | |
| graphics.position.x = d3.event.translate[0]; | |
| graphics.position.y = d3.event.translate[1]; | |
| graphics.scale.x = d3.event.scale; | |
| graphics.scale.y = d3.event.scale; | |
| } | |
| var randomX = d3.random.normal(width / 2, 80), | |
| randomY = d3.random.normal(height / 2, 80); | |
| // Create the main stage for your display objects | |
| var stage = new PIXI.Container(); | |
| // Start animating | |
| animate(); | |
| function animate() { | |
| //Render the stage | |
| renderer.render(stage); | |
| requestAnimationFrame(animate); | |
| } | |
| var graphics = new PIXI.Graphics(); | |
| graphics.beginFill(0xe74c3c); // Red | |
| d3.range(numCircles).map(function() { | |
| graphics.drawCircle(randomX(), randomY(), 1); | |
| }); | |
| stage.addChild(graphics); | |
| </script> |
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