import * as PIXI from 'pixi.js';
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import * as TWEEDLE from 'tweedle.js';
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export default class Player {
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constructor(dom, themeMode) {
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this.themeMode = themeMode;
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this.app = generateApp(dom, themeMode);
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dom.appendChild(this.app.view);
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globalThis.__PIXI_APP__ = this.app;
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this.mapContainer = generatePixiContainer('mapContainer');
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this.app.stage.addChild(this.mapContainer);
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this.activateMapScale();
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this.activateMapPan();
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this.startupTicker();
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const bunny = PIXI.Sprite.from('https://pixijs.com/assets/bunny.png');
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bunny.anchor.set(0.5);
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bunny.x = 500;
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bunny.y = 400;
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this.mapContainer.addChild(bunny);
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this.app.ticker.add((delta) => {
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bunny.rotation += 0.1 * delta;
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});
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}
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activateMapScale = () => {
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this.scale = 1;
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this.app.view.addEventListener('wheel', (event) => {
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event.preventDefault();
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if (this.scale !== this.mapContainer.scale.x) {
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this.scale = this.mapContainer.scale.x;
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}
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const delta = Math.sign(event.deltaY);
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const mousePosition = new PIXI.Point();
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this.app.renderer.plugins.interaction.mapPositionToPoint(mousePosition, event.clientX, event.clientY);
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const diffPositionX = mousePosition.x - this.mapContainer.x;
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const diffPositionY = mousePosition.y - this.mapContainer.y;
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const newScale = this.scale * (delta === 1 ? 0.9 : 1.1);
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const scaleFactor = newScale / this.scale;
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this.mapContainer.x = mousePosition.x - diffPositionX * scaleFactor;
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this.mapContainer.y = mousePosition.y - diffPositionY * scaleFactor;
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this.scale = newScale;
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this.mapContainer.scale.set(this.scale);
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this.mapContainer.children.forEach(child => {
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// child.scale.set(1 / this.scale); // 防止图标变小
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});
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});
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}
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activateMapPan = () => {
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const mapPanHandle = (event) => {
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if (event.button === 2) {
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this.pan = true;
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let previousPosition = { x: event.clientX, y: event.clientY };
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const mouseMoveHandler = (event) => {
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if (this.pan) {
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const dx = event.clientX - previousPosition.x;
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const dy = event.clientY - previousPosition.y;
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this.mapContainer.position.x += dx;
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this.mapContainer.position.y += dy;
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previousPosition = { x: event.clientX, y: event.clientY };
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}
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};
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this.app.view.addEventListener('mousemove', mouseMoveHandler);
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this.app.view.addEventListener('mouseup', () => {
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this.app.view.removeEventListener('mousemove', mouseMoveHandler);
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this.pan = false;
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});
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}
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}
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this.app.view.addEventListener('mousedown', mapPanHandle);
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}
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showGridLines = () => {
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this.hideGridLines();
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if (!this.gridLineContainer) {
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this.gridLineContainer = generatePixiContainer('gridLineContainer');
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this.app.stage.addChild(this.gridLineContainer);
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}
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const spacing = 30;
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const lineDefaultAlpha = .1;;
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const lineDefaultColor = 0x000000;
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for (let i = 0; i < this.app.view.width / spacing; i++) {
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const graphics = new PIXI.Graphics();
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graphics.lineStyle(1, lineDefaultColor, lineDefaultAlpha);
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graphics.beginFill(lineDefaultColor);
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graphics.moveTo(i * spacing, 0);
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graphics.lineTo(i * spacing, this.app.view.height);
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graphics.endFill();
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this.gridLineContainer.addChild(graphics);
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}
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for (let i = 0; i < this.app.view.height / spacing; i++) {
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const graphics = new PIXI.Graphics();
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graphics.lineStyle(1, lineDefaultColor, lineDefaultAlpha);
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graphics.beginFill(lineDefaultColor);
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graphics.moveTo(0, i * spacing);
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graphics.lineTo(this.app.view.width, i * spacing);
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graphics.endFill();
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this.gridLineContainer.addChild(graphics);
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}
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}
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hideGridLines = () => {
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if (this.gridLineContainer) {
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this.app.stage.removeChild(this.gridLineContainer);
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this.gridLineContainer = null;
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}
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}
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startupTicker = () => {
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this.app.ticker.add((delta) => {
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TWEEDLE.Group.shared.update();
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});
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}
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resize = (width, height) => {
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this.app.renderer.resize(width, height);
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this.mapContainer.children.forEach((child) => {
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child.x = width / 2;
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child.y = height / 2;
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});
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}
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destroy = () => {
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this.app.destroy(true, { children: true });
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}
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}
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const generateApp = (dom, themeMode) => {
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const app = new PIXI.Application({
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background: themeMode === 'dark' ? '#2f3542' : '#f1f2f6',
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antialias: true,
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// resizeTo: dom,
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})
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app.stage.eventMode = 'static';
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app.stage.hitArea = app.screen;
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app.view.addEventListener('contextmenu', (event) => {
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event.preventDefault();
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});
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app.view.style.display = 'block';
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app.view.style.margin = '0';
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app.view.style.padding = '0';
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app.view.style.border = 'none';
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return app;
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}
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const generatePixiContainer = (name) => {
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const mapContainer = new PIXI.Container();
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mapContainer.sortableChildren = true;
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mapContainer.name = name;
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mapContainer.data = {};
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return mapContainer;
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}
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