Java 类com.badlogic.gdx.graphics.g3d.environment.SpotLight 实例源码

public static String createPrefix(Renderable renderable, boolean skinned) {
    String prefix = "";
    final int n = renderable.meshPart.mesh.getVertexAttributes().size();

    for (int i = 0; i < n; i++) {
        final VertexAttribute attr = renderable.meshPart.mesh.getVertexAttributes().get(i);

        if (attr.usage == VertexAttributes.Usage.BoneWeight) {
            prefix += "#define boneWeight" + attr.unit + "Flag\n";
        }
    }

    if (skinned) {
        prefix += "#define skinningFlag\n";
    }

    Environment environment = renderable.environment;

    // Ambient lighting
    ColorAttribute ambientLightAttribute = (ColorAttribute) environment.get(ColorAttribute.AmbientLight);

    if (ambientLightAttribute != null) {
        prefix += "#define ambientLighting\n";
    }

    // Directional lighting
    DirectionalLightsAttribute directionalLightsAttribute = (DirectionalLightsAttribute) environment.get(DirectionalLightsAttribute.Type);

    if (directionalLightsAttribute != null) {
        Array<DirectionalLight> directionalLights = directionalLightsAttribute.lights;

        if (directionalLights.size > 0) {
            prefix += "#define numDirectionalLights " + directionalLights.size + "\n";
        }
    }

    // Point lighting
    PointLightsAttribute pointLightsAttribute = (PointLightsAttribute) environment.get(PointLightsAttribute.Type);

    if (pointLightsAttribute != null) {
        Array<PointLight> pointLights = pointLightsAttribute.lights;

        if (pointLights.size > 0) {
            prefix += "#define numPointLights " + pointLights.size + "\n";
        }
    }

    // Spot lighting
    SpotLightsAttribute spotLightsAttribute = (SpotLightsAttribute) environment.get(SpotLightsAttribute.Type);

    if (spotLightsAttribute != null) {
        Array<SpotLight> spotLights = spotLightsAttribute.lights;

        if (spotLights.size > 0) {
            prefix += "#define numSpotLights " + spotLights.size + "\n";
        }
    }

    return prefix;
}

public SpotLightWrapper(SpotLight light) {
    super(light);
}