@woosh/meep-engine/src/engine/graphics/ecs/light/binding/three/threeMakeLight.js

Pure JavaScript game engine. Fully featured and production ready.

import { assert } from "../../../../../../core/assert.js";
import { LightType } from "../../LightType.js";

/**
 *
 * @param {Light} component
 * @param {ThreeLightCache} cache
 * @returns {DirectionalLight|SpotLight|PointLight|AmbientLight}
 */
export function threeMakeLight(component, cache) {
    assert.defined(cache, 'cache');

    const intensity = component.intensity.getValue();
    const color = component.color.toUint();

    const type = component.type.getValue();

    const result = cache.obtain(type);

    switch (type) {
        case LightType.DIRECTION:
            break;
        case LightType.SPOT:
            result.angle = component.angle.getValue();
            result.penumbra = component.penumbra.getValue();
            result.distance = component.distance.getValue();
            break;
        case LightType.POINT:
            break;
        case LightType.AMBIENT:
            break;
        default:
            throw new Error('Unknown light type: ' + component.type);
    }

    result.color.setHex(color);
    result.intensity = intensity;
    result.castShadow = component.castShadow.getValue();

    return result;
}