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| function times(num, fn) { for (let i = 0; i < num; i++) { fn() } } function random(arr) { return arr[Math.floor(Math.random() * arr.length)] } function createColorArr(num) { let arr = [] for (let n = 0; n < num; n++) { arr.push(PIXI.utils.rgb2hex([ Math.random() * 1, Math.random() * 1, Math.random() * 1, ])) } return arr } let game = new PIXI.Application({ width: 1334, height: 750, backgroundColor: 0x000020 }) document.getElementById('preview-box').appendChild(game.view) game.view.style.width = "100%" let config = { crossOrigin: true } PIXI.Assets.add('dot', '../images/dot.png',config); PIXI.Assets.add('hex', '../images/hex.png',config) PIXI.Assets.add('ring', '../images/ring.png',config) PIXI.Assets.add('hex_ring', '../images/hex_ring.png',config) PIXI.Assets.add('star', '../images/star.png',config) PIXI.Assets.load(['dot', 'hex', 'ring', 'hex_ring', 'star']).then((textures) => { let topFrame = 26; let boomFrame = topFrame + 60; function fire(imgs, count) { let totalFrame = 0 let container = new PIXI.Container() container.pause = false let inter = 20; let tints = createColorArr(Math.floor(Math.random() * 4 + 1)) let team = imgs.map(img => { let box = new PIXI.Container(count); container.addChild(box); return { box, img } }) emitter = () => { totalFrame++ if (totalFrame % inter === 0) { inter = Math.floor(Math.random() * 200) + 200 tints = createColorArr(Math.floor(Math.random() * 4 + 1)) times(45, () => { team.forEach(d => { let { box, img } = d; if (box.children.length >= count) box.children[0].destroy() let ele = new PIXI.Sprite(textures[img]) ele.frame = 0 ele.alpha = 0.65 * Math.random() ele.anchor.set(0.3) ele.angle = Math.random() * 360 ele.scale.set(0.1) ele.xv = 0 ele.xa = 0 ele.yv = -6 ele.ya = 0.1 box.addChild(ele) }) }) } team.forEach(d => { let { box } = d; box.children.forEach((ele, index) => { let t = ele.frame / 4 if (ele.frame < topFrame) { ele.y = ele.y + (ele.yv * t + ele.ya * t * t) ele.alpha = 1 - ele.frame / (topFrame - 1) } if (ele.frame === boomFrame) { let angle = Math.random() * Math.PI * 2 let v = 0.38 ele.y -= 200 ele.xv = Math.sin(angle) * (Math.random() * 0.3 + 0.7) * v; ele.yv = Math.cos(angle) * (Math.random() * 0.7 + 0.1) * v; ele.ya = 0.007 ele.alpha = 1 ele.tint = random(tints) } if (ele.frame > boomFrame) { if (ele.xv !== 0) ele.xv *= 0.995 ele.x = ele.x + (ele.xv * t) ele.y = ele.y + (ele.yv * t + ele.ya * t * t) ele.angle += 1 ele.alpha = (t + index) % 2 * Math.cos(ele.frame / 120) ele.scale.set(Math.cos(ele.frame / 120) / 2) } ele.frame++ }) }) } PIXI.Ticker.shared.add(emitter) return container } let c1 = fire([ 'hex', 'ring', 'hex_ring', 'star'], 300) c1.position.set(1334 / 2, 750) game.stage.addChild(c1) let c2 = fire(['dot', 'hex', 'ring', 'hex_ring'], 300) c2.position.set(1334 / 3, 750) c2.scale.set(0.5) let b2 = new PIXI.filters.BlurFilter(); b2.blur = 0.3 c2.filters = [b2] game.stage.addChild(c2) let c3 = fire(['dot', 'hex', 'ring'], 300) c3.position.set(1334 / 4 * 3, 750) c3.scale.set(0.3) let b3 = new PIXI.filters.BlurFilter(); b3.blur = 1 c3.filters = [b3] game.stage.addChild(c3) })
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