Merge pull request #19315 from WestLangley/dev_cleanup

Examples: Clean up

examples/webgl_loader_nrrd.html

@@ -65,11 +65,12 @@
 
 				// light
 
-				var dirLight = new THREE.DirectionalLight( 0xffffff );
-				dirLight.position.set( 200, 200, 1000 ).normalize();
+				var hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000 , 1 );
+				scene.add( hemiLight );
 
-				camera.add( dirLight );
-				camera.add( dirLight.target );
+				var dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
+				dirLight.position.set( 200, 200, 200 );
+				scene.add( dirLight );
 
 				var loader = new NRRDLoader();
 				loader.load( "models/nrrd/I.nrrd", function ( volume ) {

examples/webgl_loader_vrml.html

@@ -59,11 +59,12 @@
 
 				// light
 
-				var dirLight = new THREE.DirectionalLight( 0xffffff );
-				dirLight.position.set( 200, 200, 1000 );
+				var hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
+				scene.add( hemiLight );
 
-				camera.add( dirLight );
-				camera.add( dirLight.target );
+				var dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
+				dirLight.position.set( 200, 200, 200 );
+				scene.add( dirLight );
 
 				loader = new VRMLLoader();
 				loadAsset( params.asset );

examples/webgl_loader_vtk.html

@@ -41,11 +41,12 @@
 
 				// light
 
-				var dirLight = new THREE.DirectionalLight( 0xffffff );
-				dirLight.position.set( 2, 2, 10 );
+				var hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
+				scene.add( hemiLight );
 
-				camera.add( dirLight );
-				camera.add( dirLight.target );
+				var dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
+				dirLight.position.set( 2, 2, 2 );
+				scene.add( dirLight );
 
 				var loader = new VTKLoader();
 				loader.load( "models/vtk/bunny.vtk", function ( geometry ) {