82 lines
2.0 KiB
JavaScript
82 lines
2.0 KiB
JavaScript
import { Pointer } from './pointer.js';
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import { uRect, uStrokeRect } from './objects.js';
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export class Scene {
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#canvas;
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#context;
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#layers;
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constructor(canvas, context, width, height) {
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this.#canvas = canvas;
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this.#context = context;
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this.#layers = Array();
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this.addObject(new uRect(50, 50, 100, 100, 'red'));
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this.addObject(new uStrokeRect(150, 150, 40, 40, 'green', 'blue', 5));
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this.init(width, height);
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}
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init(width, height) {
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this.setScreenSize(width, height);
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}
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#clearCanvas() {
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this.#context.clearRect(0, 0, this.#canvas.width, this.#canvas.height);
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}
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run() {
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// clear canvas
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this.#clearCanvas();
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this.#scene();
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}
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#scene() {
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// fill canvas
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this.#context.fillStyle = '#523c4e';
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this.#context.fillRect(0, 0, this.#canvas.width, this.#canvas.height);
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// draw border
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this.#context.strokeStyle = '#8bd0ba';
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this.#context.lineWidth = 1;
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this.#context.strokeRect(5, 5, this.#canvas.width - 10, this.#canvas.height - 10);
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// draw item
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this.#layers.forEach((item) => {
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switch (item.constructor.name) {
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case 'uRect':
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this.#drawRect(item.x, item.y, item.width, item.height, item.fillColor);
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break;
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case 'uStrokeRect':
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this.#drawStrokeRect(item.x, item.y, item.width, item.height,
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item.fillColor, item.strokeColor, item.strokeWidth);
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break;
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default:
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console.log(`=> ${item.constructor.name}`);
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}
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});
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}
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#drawRect(x, y, w, h, fillColor) {
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this.#context.fillStyle = fillColor;
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this.#context.fillRect(x, y, w, h);
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}
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#drawStrokeRect(x, y, w, h, fillColor, strokeWidth, strokeColor) {
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this.#drawRect(x, y, w, h, fillColor);
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this.#context.strokeWidth = strokeWidth;
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this.#context.strokeStyle = strokeColor;
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this.#context.strokeRect(x, y, w, h);
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}
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addObject(object) {
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this.#layers.push(object);
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}
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setScreenSize(w, h) {
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this.#canvas.width = w;
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this.#canvas.height = h;
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}
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}
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