Release 0.2.0

build/RayTracingRenderer.es5.js

@@ -266,6 +266,7 @@
 
       _this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(EnvironmentLight)).call.apply(_getPrototypeOf2, [this].concat(args)));
       _this.map = map;
+      _this.isEnvironmentLight = true;
       return _this;
     }
 
@@ -2066,21 +2067,21 @@
     var directionalLights = [];
     var environmentLights = [];
     scene.traverse(function (child) {
-      if (child instanceof THREE$1.Mesh) {
+      if (child.isMesh) {
         if (!child.geometry || !child.geometry.getAttribute('position')) {
           console.warn(child, 'must have a geometry property with a position attribute');
-        } else if (!(child.material instanceof THREE$1.MeshStandardMaterial)) {
+        } else if (!child.material.isMeshStandardMaterial) {
           console.warn(child, 'must use MeshStandardMaterial in order to be rendered.');
         } else {
           meshes.push(child);
         }
       }
 
-      if (child instanceof THREE$1.DirectionalLight) {
+      if (child.isDirectionalLight) {
         directionalLights.push(child);
       }
 
-      if (child instanceof EnvironmentLight) {
+      if (child.isEnvironmentLight) {
         if (environmentLights.length > 1) {
           console.warn(environmentLights, 'only one environment light can be used per scene');
         } else if (isHDRTexture(child)) {

build/RayTracingRenderer.js

@@ -42,6 +42,7 @@
     constructor(map, ...args) {
       super(...args);
       this.map = map;
+      this.isEnvironmentLight = true;
     }
 
     copy(source) {
@@ -2842,20 +2843,20 @@ void main() {
     const directionalLights = [];
     const environmentLights = [];
     scene.traverse(child => {
-      if (child instanceof THREE$1.Mesh) {
+      if (child.isMesh) {
         if (!child.geometry || !child.geometry.getAttribute('position')) {
           console.warn(child, 'must have a geometry property with a position attribute');
         }
-        else if (!(child.material instanceof THREE$1.MeshStandardMaterial)) {
+        else if (!(child.material.isMeshStandardMaterial)) {
           console.warn(child, 'must use MeshStandardMaterial in order to be rendered.');
         } else {
           meshes.push(child);
         }
       }
-      if (child instanceof THREE$1.DirectionalLight) {
+      if (child.isDirectionalLight) {
         directionalLights.push(child);
       }
-      if (child instanceof EnvironmentLight) {
+      if (child.isEnvironmentLight) {
         if (environmentLights.length > 1) {
           console.warn(environmentLights, 'only one environment light can be used per scene');
         }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ray-tracing-renderer",
-  "version": "0.1.4",
+  "version": "0.2.0",
   "description": "A [Three.js](https://github.com/mrdoob/three.js/) renderer which utilizes path tracing to render a scene with true photorealism. The renderer supports global illumination, reflections, soft shadows, and realistic environment lighting.",
   "main": "src/main.js",
   "scripts": {