import * as PIXI from 'pixi.js';
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import * as TWEEDLE from 'tweedle.js';
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import * as Utils from './utils'
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export default class Player {
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constructor(dom, dark, didClickSprite) {
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this.darkModel = dark;
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this.didClickSprite = didClickSprite;
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// init
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this.app = generatePixiApp(dark);
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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.app.view.addEventListener('contextmenu', (event) => {
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event.preventDefault();
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});
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this.pan = false; // 平移
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this.activateMapEvent(null, Utils.MapEvent.PAN);
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this.activateMapScale();
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this.showCoordinates();
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this.appTicker();
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}
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activateMapEvent = (leftEvent, rightEvent) => {
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if (this.mapEvent) {
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this.app.view.removeEventListener('mousedown', this.mapEvent);
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}
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this.mapEvent = (event) => {
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// left
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if (event.button === 0 && leftEvent) {
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switch (leftEvent) {
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case Utils.MapEvent.SELECTION_BOX:
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this.mapSelect(event);
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break
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default:
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break
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}
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}
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// right
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if (event.button === 2 && rightEvent) {
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switch (rightEvent) {
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case Utils.MapEvent.PAN:
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this.mapPan(event);
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break
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default:
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break
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}
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}
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}
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this.app.view.addEventListener('mousedown', this.mapEvent)
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}
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mapSelect = (event) => {
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let isSelecting = false;
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const selectionBox = new PIXI.Graphics();
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this.app.stage.addChild(selectionBox);
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// start
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const startPoint = new PIXI.Point();
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this.app.renderer.events.mapPositionToPoint(startPoint, event.clientX, event.clientY);
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let selectionStart = { x: startPoint.x, y: startPoint.y };
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isSelecting = true;
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const handleMouseMove = (event) => {
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if (isSelecting && !this.didClickSprite) {
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// end
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const endPoint = new PIXI.Point();
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this.app.renderer.events.mapPositionToPoint(endPoint, event.clientX, event.clientY);
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const selectionEnd = { x: endPoint.x, y: endPoint.y }
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const width = Math.abs(selectionEnd.x - selectionStart.x);
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const height = Math.abs(selectionEnd.y - selectionStart.y);
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selectionBox.clear();
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selectionBox.lineStyle(2, 0xCCCCCC, 1);
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selectionBox.beginFill(0xCCCCCC, 0.2);
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selectionBox.drawRect(Math.min(selectionStart.x, selectionEnd.x), Math.min(selectionStart.y, selectionEnd.y), width, height);
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selectionBox.endFill();
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}
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}
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this.app.view.addEventListener('mousemove', handleMouseMove);
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this.app.view.addEventListener('mouseup', (event) => {
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if (isSelecting) {
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isSelecting = false;
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selectionBox.clear();
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// const selectedSprites = this.mapContainer.children.filter(sprite => {
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// const spriteBounds = sprite.getBounds();
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// const boxBounds = new PIXI.Rectangle(Math.min(selectionStart.x, event.clientX), Math.min(selectionStart.y, event.clientY), Math.abs(event.clientX - selectionStart.x), Math.abs(event.clientY - selectionStart.y));
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// return spriteBounds.contains(boxBounds.x, boxBounds.y) && spriteBounds.contains(boxBounds.x + boxBounds.width, boxBounds.y + boxBounds.height);
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// });
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// console.log('Selected Sprites:', selectedSprites);
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}
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this.app.view.removeEventListener('mousemove', handleMouseMove);
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});
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}
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mapPan = (event) => {
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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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activateMapScale = () => {
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this.scale = 1; // 缩放
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this.app.view.addEventListener('wheel', (event) => {
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event.preventDefault();
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const delta = Math.sign(event.deltaY);
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if (delta === 1) {
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this.scale *= 0.9;
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} else if (delta === -1) {
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this.scale *= 1.1;
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}
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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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showCoordinates = () => {
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const coordinatesText = new PIXI.Text('{ x: 0, y: 0 }', {
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fill: 0x000000,
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fontSize: 13,
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fontFamily: 'MicrosoftYaHei',
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fontWeight: 'bold',
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});
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coordinatesText.name = 'xyStr'
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coordinatesText.position.set(10, 10);
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this.app.stage.addChild(coordinatesText);
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const mouseMoveInfoTextHandler = (event) => {
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const mouseX = (event.clientX - this.mapContainer.position.x) / this.scale;
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const mouseY = (event.clientY - this.mapContainer.position.y) / this.scale;
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coordinatesText.text = `{ x: ${mouseX.toFixed(2)}, y: ${mouseY.toFixed(2)} }`;
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};
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this.app.view.addEventListener('mousemove', mouseMoveInfoTextHandler);
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}
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showGridlines = () => {
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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 inte = 30;
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const lineDefaultAlpha = .5;;
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const lineDefaultColor = 0x000000;
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for (let i = 0; i < this.app.view.width / inte; i++) {
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const graphics = new PIXI.Graphics();
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graphics.lineStyle(.3, lineDefaultColor, lineDefaultAlpha);
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graphics.beginFill(lineDefaultColor);
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graphics.moveTo(i * inte, 0);
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graphics.lineTo(i * inte, 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 / inte; i++) {
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const graphics = new PIXI.Graphics();
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graphics.lineStyle(.3, lineDefaultColor, lineDefaultAlpha);
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graphics.beginFill(lineDefaultColor);
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graphics.moveTo(0, i * inte);
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graphics.lineTo(this.app.view.width, i * inte);
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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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updateDidClickSprite = (value) => {
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this.didClickSprite = value;
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}
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appTicker = () => {
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TWEEDLE.Group.shared.update();
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}
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}
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function generatePixiApp(dark) {
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const app = new PIXI.Application({
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background: dark ? '#f1f2f6' : '#f1f2f6',
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antialias: true,
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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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return app;
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}
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function generatePixiContainer(name) {
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const mapContainer = new PIXI.Container();
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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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