@spearwolf/twopoint5d/lib/stage/Stage2D.spec.js

Create 2.5D realtime graphics and pixelart with WebGL and three.js

import { describe, expect, it, vi } from 'vitest';
import { ParallaxProjection } from './ParallaxProjection.js';
import { Stage2D } from './Stage2D.js';
describe('Stage2D', () => {
    it('has a scene by default', () => {
        const stage = new Stage2D(new ParallaxProjection('xz|top-left', { fit: 'contain', width: 600 }));
        expect(stage.scene).toBeDefined();
    });
    it('after call to resize() a camera is created (by projection)', () => {
        const stage = new Stage2D(new ParallaxProjection('xz|top-left', { pixelZoom: 2 }));
        stage.resize(320, 240);
        expect(stage.camera).toBeDefined();
    });
    describe('renderTo (IRenderable)', () => {
        it('is a no-op when there is no camera yet', () => {
            const stage = new Stage2D();
            const renderer = { render: vi.fn() };
            stage.renderTo(renderer);
            expect(renderer.render).not.toHaveBeenCalled();
        });
        it('calls renderer.render(scene, camera) once camera exists', () => {
            const stage = new Stage2D(new ParallaxProjection('xz|top-left', { pixelZoom: 1 }));
            stage.resize(100, 100);
            const renderer = { render: vi.fn() };
            stage.renderTo(renderer);
            expect(renderer.render).toHaveBeenCalledTimes(1);
            expect(renderer.render).toHaveBeenCalledWith(stage.scene, stage.camera);
        });
    });
    it('does not expose the removed clearColor / clearAlpha / autoClear properties', () => {
        const stage = new Stage2D();
        expect(stage.clearColor).toBeUndefined();
        expect(stage.clearAlpha).toBeUndefined();
        expect(stage.autoClear).toBeUndefined();
    });
});
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