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232 lines
7.3 KiB
232 lines
7.3 KiB
<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> |
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"> |
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<title>Leon Sans - Morphing PIXI</title> |
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<style> |
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html, |
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body { |
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width: 100%; |
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height: 100%; |
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overflow: hidden; |
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outline: 0; |
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margin: 0; |
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padding: 0; |
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cursor: move; |
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} |
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</style> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.8/hammer.min.js"></script> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.3/TweenMax.min.js"></script> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/5.0.4/pixi.min.js"></script> |
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<script src="https://cdn.jsdelivr.net/npm/pixi-filters@latest/dist/pixi-filters.js"></script> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.js"></script> |
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</head> |
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<body> |
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<script src="../dist/leon.js"></script> |
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<script src="js/util.js"></script> |
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<script> |
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let container, texture, particleCon; |
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let leon, controll; |
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const particleTotal = 5000; |
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let particles = []; |
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let myText = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789?!$^&*(){}[]<>~:;,.\'"+=-_@#%'.split(''); |
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const textTotal = myText.length; |
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let curText = -1; |
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let DELAY_TIME = 0.8; |
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function init() { |
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generatePixi(0xfec82e); |
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myText = shuffle(myText); |
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texture = PIXI.Texture.from('data/drop-alpha.png'); |
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particleCon = new PIXI.ParticleContainer(particleTotal, { |
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vertices: false, |
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scale: true, |
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position: true, |
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rotation: false, |
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uvs: false, |
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alpha: false |
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}); |
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stage.addChild(particleCon); |
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let p, i; |
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for (i = 0; i < particleTotal; i++) { |
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p = new PIXI.Sprite(texture); |
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p.x = sw / 2; |
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p.y = sh / 2; |
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p.anchor.set(0.5); |
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p.scale.x = p.scale.y = 0; |
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particleCon.addChild(p); |
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particles.push(p); |
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} |
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const blurFilter = new PIXI.filters.BlurFilter(); |
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blurFilter.blur = 10; |
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blurFilter.autoFit = true; |
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const fragSource = [ |
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'precision mediump float;', |
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'varying vec2 vTextureCoord;', |
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'uniform sampler2D uSampler;', |
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'uniform float threshold;', |
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'uniform float mr;', |
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'uniform float mg;', |
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'uniform float mb;', |
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'void main(void)', |
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'{', |
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' vec4 color = texture2D(uSampler, vTextureCoord);', |
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' vec3 mcolor = vec3(mr, mg, mb);', |
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' if (color.a > threshold) {', |
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' gl_FragColor = vec4(mcolor, 1.0);', |
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' } else {', |
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' gl_FragColor = vec4(vec3(0.0), 0.0);', |
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' }', |
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'}' |
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].join('\n'); |
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const uniformsData = { |
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threshold: 0.5, |
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mr: 255.0/255.0, |
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mg: 255.0/255.0, |
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mb: 255.0/255.0, |
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}; |
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const thresholdFilter = new PIXI.Filter(null, fragSource, uniformsData ); |
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const outlineFilterBlue = new PIXI.filters.OutlineFilter(1, 0x000000); |
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stage.filters = [blurFilter, thresholdFilter, outlineFilterBlue]; |
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stage.filterArea = renderer.screen; |
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controll = { |
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weight: 6, |
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outline: true |
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}; |
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leon = new LeonSans({ |
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text: '', |
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size: 600, |
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weight: 700, |
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pathGap: -1, |
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isPath: true |
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}); |
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leon.on('update', (data) => { |
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update(data); |
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}); |
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const gui = new dat.GUI(); |
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gui.add(leon, 'size', 400, 1000); |
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gui.add(controll, 'weight', 3, 9); |
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const otControll = gui.add(controll, 'outline'); |
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otControll.onChange((value) => { |
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if (value) { |
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stage.filters = [blurFilter, thresholdFilter, outlineFilterBlue]; |
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} else { |
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stage.filters = [blurFilter, thresholdFilter]; |
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} |
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}); |
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requestAnimationFrame(animate); |
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showText(); |
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} |
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function nextText() { |
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TweenMax.killDelayedCallsTo(showText); |
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TweenMax.delayedCall(DELAY_TIME, showText); |
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} |
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function showText() { |
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curText += 1; |
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if (curText == textTotal) curText = 0; |
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leon.text = myText[curText]; |
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nextText(); |
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} |
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function shuffle(oldArray) { |
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var newArray = oldArray.slice(), |
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len = newArray.length, |
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i = len, p, t; |
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while (i--) { |
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p = (Math.random()*len) | 0; |
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t = newArray[i]; |
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newArray[i] = newArray[p]; |
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newArray[p] = t; |
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} |
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return newArray; |
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} |
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function update(model) { |
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const total = model.paths.length; |
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const sw2 = sw / 2; |
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const sh2 = sh / 2; |
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let i, p, pos, scale; |
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for (i = 0; i < particleTotal; i++) { |
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p = particles[i]; |
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TweenMax.killTweensOf(p); |
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if (i < total) { |
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pos = model.paths[i]; |
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if (pos.type == 'a') { |
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scale = controll.weight * 0.02* leon.scale; |
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} else { |
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scale = controll.weight * 0.01* leon.scale; |
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} |
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TweenMax.to(p, 0.4, { |
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x: sw2, |
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y: sh2, |
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ease: Sine.easeIn |
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}); |
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TweenMax.to(p, 0.5, { |
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delay: 0.3, |
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x: pos.x, |
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y: pos.y, |
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ease: Expo.easeOut |
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}); |
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TweenMax.to(p.scale, 0.5, { |
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delay: 0.3, |
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x: scale, |
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y: scale, |
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ease: Expo.easeOut |
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}); |
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} else { |
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TweenMax.to(p, 0.3, { |
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x: sw2, |
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y: sh2, |
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ease: Sine.easeIn |
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}); |
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TweenMax.to(p.scale, 0.3, { |
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x: 0, |
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y: 0, |
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ease: Sine.easeIn |
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}); |
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} |
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} |
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} |
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function animate(t) { |
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requestAnimationFrame(animate); |
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const x = (sw - leon.rect.w) / 2; |
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const y = (sh - leon.rect.h) / 2; |
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leon.position(x, y); |
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renderer.render(stage); |
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} |
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window.onload = () => { |
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init(); |
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}; |
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</script> |
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</body> |
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</html> |