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ModelSkybox.js
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ModelSkybox.js
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/**
* @module libgptjs Graphical Programming with ThreeJS (GPT)
* @class ModelSkybox
*/
import THREE from "../external-libs/three-global";
import GPT_Model from "../core/GPT_Model";
import Common from "./Common"
/**
* Creates a Model of Skybox with a cube and environment map texture
* Inherits from GPT_Model
*/
function ModelSkybox() {
// 1. Call parent object
GPT_Model.call(this);
}
// 2. Extend from parent object prototype (keep proto clean)
ModelSkybox.prototype = Object.create(GPT_Model.prototype);
// 3. Repair the inherited constructor
ModelSkybox.prototype.constructor = ModelSkybox
/**
* Overriding in this child object
*/
ModelSkybox.prototype.get_geometry = function () {
const _geom = new THREE.BoxGeometry(Common.SKYBOX_WIDTH, Common.SKYBOX_WIDTH, Common.SKYBOX_WIDTH);
_geom.needsUpdate = true;
return _geom;
}
/**
* Overriding in this child object
* Attaches textures into the Skybox side with separated materials instead of single material
* (same images of skybox are being used on the dragon as cubeTexture to simulate reflections)
*/
ModelSkybox.prototype.get_material = function () {
const _cubeFacesMaterials = [];
const _loader = new THREE.TextureLoader();
for (let i = 0; i < Common.SKYBOX_TEXTURE_IMAGES_NAMES.length; i++) {
const _img_path = Common.SKYBOX_TEXTURE_PATH + Common.SKYBOX_TEXTURE_IMAGES_NAMES[i];
_cubeFacesMaterials.push(
new THREE.MeshBasicMaterial({
map: _loader.load(_img_path),
color: 0xffffff, // white
side: THREE.BackSide // inside the cube
})
);
}
return _cubeFacesMaterials;
}
export default ModelSkybox