| | |
| | | import * as PIXI from 'pixi.js'; |
| | | import * as TWEEDLE from 'tweedle.js'; |
| | | import * as Utils from './utils' |
| | | import star from '/public/img/map/star.png' |
| | | |
| | | export default class Player { |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | showStarryBackground = () => { |
| | | if (!this.starryContainer) { |
| | | this.starryContainer = generatePixiContainer('starryContainer'); |
| | | this.app.stage.addChild(this.starryContainer); |
| | | } |
| | | |
| | | const starTexture = PIXI.Texture.from(star); |
| | | |
| | | const starAmount = 500; |
| | | let cameraZ = 0; |
| | | const fov = 20; |
| | | const baseSpeed = 0.025; |
| | | let speed = 0; |
| | | let warpSpeed = 0; |
| | | const starStretch = 5; |
| | | const starBaseSize = 0.05; |
| | | |
| | | const stars = []; |
| | | |
| | | for (let i = 0; i < starAmount; i++) { |
| | | const star = { |
| | | sprite: new PIXI.Sprite(starTexture), |
| | | z: 0, |
| | | x: 0, |
| | | y: 0, |
| | | }; |
| | | star.sprite.anchor.x = 0.5; |
| | | star.sprite.anchor.y = 0.7; |
| | | star.sprite.tint = 0x000000; // 应用一个黑色滤镜 |
| | | randomizeStar(star, true); |
| | | this.starryContainer.addChild(star.sprite); |
| | | stars.push(star); |
| | | } |
| | | |
| | | this.starryInterval = setInterval(() => { |
| | | warpSpeed = warpSpeed > 0 ? 0 : 1; |
| | | }, 5000); |
| | | |
| | | |
| | | this.starryTicker = (delta) => { |
| | | console.log(1); |
| | | speed += (warpSpeed - speed) / 20; |
| | | cameraZ += delta * 10 * (speed + baseSpeed); |
| | | for (let i = 0; i < starAmount; i++) { |
| | | const star = stars[i]; |
| | | if (star.z < cameraZ) randomizeStar(star); |
| | | |
| | | const z = star.z - cameraZ; |
| | | star.sprite.x = star.x * (fov / z) * this.app.renderer.screen.width + this.app.renderer.screen.width / 2; |
| | | star.sprite.y = star.y * (fov / z) * this.app.renderer.screen.width + this.app.renderer.screen.height / 2; |
| | | |
| | | const dxCenter = star.sprite.x - this.app.renderer.screen.width / 2; |
| | | const dyCenter = star.sprite.y - this.app.renderer.screen.height / 2; |
| | | const distanceCenter = Math.sqrt(dxCenter * dxCenter + dyCenter * dyCenter); |
| | | const distanceScale = Math.max(0, (2000 - z) / 2000); |
| | | star.sprite.scale.x = distanceScale * starBaseSize; |
| | | |
| | | star.sprite.scale.y = distanceScale * starBaseSize + distanceScale * speed * starStretch * distanceCenter / this.app.renderer.screen.width; |
| | | star.sprite.rotation = Math.atan2(dyCenter, dxCenter) + Math.PI / 2; |
| | | } |
| | | } |
| | | |
| | | this.app.ticker.add(this.starryTicker); |
| | | |
| | | function randomizeStar(star, initial) { |
| | | star.z = initial ? Math.random() * 2000 : cameraZ + Math.random() * 1000 + 2000; |
| | | |
| | | const deg = Math.random() * Math.PI * 2; |
| | | const distance = Math.random() * 50 + 1; |
| | | star.x = Math.cos(deg) * distance; |
| | | star.y = Math.sin(deg) * distance; |
| | | } |
| | | } |
| | | |
| | | hideStarryBackground = () => { |
| | | if(this.starryTicker) { |
| | | this.app.ticker.remove(this.starryTicker); |
| | | this.starryTicker = null; |
| | | } |
| | | |
| | | if (this.starryInterval) { |
| | | clearInterval(this.starryInterval); |
| | | this.starryInterval = null; |
| | | } |
| | | |
| | | if (this.starryContainer) { |
| | | this.starryContainer.removeChildren(); |
| | | this.app.stage.removeChild(this.starryContainer); |
| | | this.starryContainer = null; |
| | | } |
| | | } |
| | | |
| | | updateDidClickSprite = (value) => { |
| | | this.didClickSprite = value; |
| | | } |