import * as PIXI from 'pixi.js';
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import * as TWEEDLE from 'tweedle.js';
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import * as Tool from './tool';
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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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activateMapMultiSelect = (fn) => {
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const mapMultiSelectHandle = (event) => {
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if (event.button !== 0) {
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return;
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}
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let isSelecting = false;
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if (!this.selectionBox) {
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this.selectionBox = new PIXI.Graphics();
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this.app.stage.addChild(this.selectionBox);
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}
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// select start pos
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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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// avoid trigger sprite event
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let hasHitSprite = false;
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for (let child of this.mapContainer.children) {
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if (child.data?.uuid) {
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if (child.getBounds().contains(selectionStart.x, selectionStart.y)) {
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hasHitSprite = true; break;
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}
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}
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}
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if (!hasHitSprite) {
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isSelecting = true;
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}
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const handleMouseMove = (event) => {
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if (isSelecting) {
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// select end pos
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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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this.selectionBox.clear();
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this.selectionBox.lineStyle(2, 0xCCCCCC, 1);
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this.selectionBox.beginFill(0xCCCCCC, 0.2);
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this.selectionBox.drawRect(Math.min(selectionStart.x, selectionEnd.x), Math.min(selectionStart.y, selectionEnd.y), width, height);
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this.selectionBox.endFill();
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}
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}
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this.mapContainer.parent.on('mousemove', handleMouseMove);
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this.mapContainer.parent.on('mouseup', (event) => {
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if (isSelecting) {
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this.clearSelectedSprites();
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// sprite show style which be selected
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this.mapContainer.children.forEach(child => {
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if (Tool.isSpriteInSelectionBox(child, this.selectionBox)) {
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this.selectedSprites.push(child);
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Tool.markSprite(child);
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}
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})
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isSelecting = false;
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this.selectionBox.clear();
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// complete
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if (fn) {
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fn(this.selectedSprites, () => {
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// trigger at end of selectionBox when fn happen mouseup
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this.selectedSprites = [];
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this.activateMapMultiSelect(fn);
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});
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}
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}
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this.mapContainer.parent.off('mousemove', handleMouseMove);
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});
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}
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this.mapContainer.parent.off('mousedown');
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this.mapContainer.parent.on('mousedown', mapMultiSelectHandle)
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}
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clearSelectedSprites = () => {
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if (this.selectedSprites && this.selectedSprites.length > 0) {
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this.selectedSprites.forEach(child => {
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Tool.unMarkSprite(child);
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})
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}
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this.selectedSprites = [];
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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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adaptScreen = () => {
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if (!this.mapContainer || !this.app) {
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return;
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}
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this.mapContainer.scale.set(1);
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this.mapContainer.position.set(0, 0);
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if (this.mapContainer.children.length === 0) {
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return;
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}
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let minX, maxX, minY, maxY;
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for (let sprite of this.mapContainer.children) {
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if (sprite?.data?.uuid) {
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let bounds = sprite.getBounds();
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minX = minX !== undefined ? Math.min(minX, bounds.x) : bounds.x;
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minY = minY !== undefined ? Math.min(minY, bounds.y) : bounds.y;
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maxX = maxX !== undefined ? Math.max(maxX, bounds.x + bounds.width) : bounds.x + bounds.width;
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maxY = maxY !== undefined ? Math.max(maxY, bounds.y + bounds.height) : bounds.y + bounds.height;
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}
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}
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this.scale = Math.min(
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this.app.renderer.width / (maxX - minX) * 0.8,
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this.app.renderer.height / (maxY - minY) * 0.8
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);
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let centerPoint = {
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x: (minX + maxX) / 2 * this.mapContainer.scale.x,
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y: (minY + maxY) / 2 * this.mapContainer.scale.y
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};
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new TWEEDLE.Tween(this.mapContainer.scale).easing(TWEEDLE.Easing.Quadratic.Out)
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.to({
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x: this.scale,
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y: this.scale
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}, 200).start();
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new TWEEDLE.Tween(this.mapContainer.position).easing(TWEEDLE.Easing.Quadratic.Out)
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.to({
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x: this.app.renderer.width / 2 - centerPoint.x * this.scale,
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y: this.app.renderer.height / 2 - centerPoint.y * this.scale
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}, 200).start();
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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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}
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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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