60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
const Screens = {
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Exit: -1,
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Menu: 0,
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Game: 1,
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}
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class Game {
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constructor(canvas) {
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this.canvas = canvas;
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// Create menu
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this.menu = new Menu(canvas);
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// Create game scene
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let box = new Box();
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this.scene = new Scene(document.getElementById('canvas'), box);
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this.changeScreen(this.menu);
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}
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changeScreen(screen) {
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if (this.mainScreen !== undefined) {
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this.mainScreen.removeListeners();
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}
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this.mainScreen = screen;
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screen.status = Status.Running;
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screen.addListeners();
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}
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update(time = 0.02) {
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this.mainScreen.update(time);
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if (this.mainScreen.status === Status.Finished) {
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if (this.mainScreen.after === Screens.Game) {
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this.scene.initialize();
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this.changeScreen(this.scene);
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} else if (this.mainScreen.after === Screens.Exit) {
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if (navigator.app !== undefined && typeof navigator.app.exitApp === 'function') {
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navigator.app.exitApp();
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}
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} else if (this.mainScreen.after === Screens.Menu) {
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this.changeScreen(this.menu);
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}
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}
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}
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render() {
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this.autoResize();
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this.mainScreen.render();
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}
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autoResize() {
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this.canvas.width = window.innerWidth;
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this.canvas.height = window.innerHeight;
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}
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}
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