code: function (data) {
      this.rendererSystem = this.el.sceneEl.systems.renderer;
      this.materialData = {color: new THREE.Color()};
      this.textureSrc = null;
      getMaterialData(data, this.materialData);
      this.rendererSystem.applyColorCorrection(this.materialData.color);
      this.material = new THREE.MeshBasicMaterial(this.materialData);
      utils.material.updateMap(this, data);
    }
docs: Initializes the shader.
  Adds a reference from the scene to this entity as the camera.