70 lines
2.7 KiB
TypeScript
70 lines
2.7 KiB
TypeScript
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import { Easing } from '../../types';
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import { HtmlUtils } from '../../WebRtc/HtmlUtils';
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import type { Box } from '../../WebRtc/LayoutManager';
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import type { WaScaleManager } from '../Services/WaScaleManager';
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import type { GameScene } from './GameScene';
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export class CameraManager extends Phaser.Events.EventEmitter {
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private scene: GameScene;
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private camera: Phaser.Cameras.Scene2D.Camera;
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private waScaleManager: WaScaleManager;
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private cameraBounds: { x: number, y: number };
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constructor(scene: GameScene, cameraBounds: { x: number, y: number }, waScaleManager: WaScaleManager) {
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super();
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this.scene = scene;
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this.camera = scene.cameras.main;
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this.cameraBounds = cameraBounds;
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this.waScaleManager = waScaleManager;
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this.initCamera();
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}
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public getCamera(): Phaser.Cameras.Scene2D.Camera {
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return this.camera;
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}
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public changeCameraFocus(focusOn: { x: number, y: number, width: number, height: number }, duration: number = 1000): void {
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const maxZoomModifier = 2.84; // How to get max zoom value?
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const currentZoomModifier = this.waScaleManager.zoomModifier;
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const zoomModifierChange = maxZoomModifier - currentZoomModifier;
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this.camera.stopFollow();
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this.camera.pan(
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focusOn.x + focusOn.width * 0.5,
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focusOn.y + focusOn.height * 0.5,
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duration,
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Easing.SineEaseOut, false, (camera, progress, x, y) => {
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this.scene.setZoomModifierTo(currentZoomModifier + progress * zoomModifierChange);
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});
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}
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public startFollow(target: object | Phaser.GameObjects.GameObject): void {
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this.camera.startFollow(target, true);
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}
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/**
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* Updates the offset of the character compared to the center of the screen according to the layout manager
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* (tries to put the character in the center of the remaining space if there is a discussion going on.
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*/
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public updateCameraOffset(array: Box): void {
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const xCenter = (array.xEnd - array.xStart) / 2 + array.xStart;
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const yCenter = (array.yEnd - array.yStart) / 2 + array.yStart;
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const game = HtmlUtils.querySelectorOrFail<HTMLCanvasElement>("#game canvas");
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// Let's put this in Game coordinates by applying the zoom level:
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this.camera.setFollowOffset(
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((xCenter - game.offsetWidth / 2) * window.devicePixelRatio) / this.scene.scale.zoom,
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((yCenter - game.offsetHeight / 2) * window.devicePixelRatio) / this.scene.scale.zoom
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);
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}
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private initCamera() {
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this.camera = this.scene.cameras.main;
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this.camera.setBounds(0, 0, this.cameraBounds.x, this.cameraBounds.y);
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}
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}
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