GLTFLoader KHR_materials_unlit extension support.

examples/js/loaders/GLTFLoader.js

@@ -121,6 +121,12 @@ THREE.GLTFLoader = ( function () {
 
 				}
 
+				if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_UNLIT ) >= 0 ) {
+
+					extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] = new GLTFMaterialsUnlitExtension( json );
+
+				}
+
 				if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ) >= 0 ) {
 
 					extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] = new GLTFMaterialsPbrSpecularGlossinessExtension();
@@ -202,7 +208,8 @@ THREE.GLTFLoader = ( function () {
 	var EXTENSIONS = {
 		KHR_BINARY_GLTF: 'KHR_binary_glTF',
 		KHR_LIGHTS: 'KHR_lights',
-		KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness'
+		KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
+		KHR_MATERIALS_UNLIT: 'KHR_materials_unlit'
 	};
 
 	/**
@@ -289,6 +296,152 @@ THREE.GLTFLoader = ( function () {
 
 	}
 
+	/**
+	 * Common Materials Extension
+	 *
+	 * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/Khronos/KHR_materials_common
+	 */
+	function GLTFMaterialsCommonExtension( json ) {
+
+		this.name = EXTENSIONS.KHR_MATERIALS_COMMON;
+
+	}
+
+	GLTFMaterialsCommonExtension.prototype.getMaterialType = function ( material ) {
+
+		var khrMaterial = material.extensions[ this.name ];
+
+		switch ( khrMaterial.type ) {
+
+			case 'commonBlinn' :
+			case 'commonPhong' :
+				return THREE.MeshPhongMaterial;
+
+			case 'commonLambert' :
+				return THREE.MeshLambertMaterial;
+
+			case 'commonConstant' :
+			default :
+				return THREE.MeshBasicMaterial;
+
+		}
+
+	};
+
+	GLTFMaterialsCommonExtension.prototype.extendParams = function ( materialParams, material, parser ) {
+
+		var khrMaterial = material.extensions[ this.name ];
+
+		var pending = [];
+
+		var keys = [];
+
+		// TODO: Currently ignored: 'ambientFactor', 'ambientTexture'
+		switch ( khrMaterial.type ) {
+
+			case 'commonBlinn' :
+			case 'commonPhong' :
+				keys.push( 'diffuseFactor', 'diffuseTexture', 'specularFactor', 'specularTexture', 'shininessFactor' );
+				break;
+
+			case 'commonLambert' :
+				keys.push( 'diffuseFactor', 'diffuseTexture' );
+				break;
+
+			case 'commonConstant' :
+			default :
+				break;
+
+		}
+
+		var materialValues = {};
+
+		keys.forEach( function ( v ) {
+
+			if ( khrMaterial[ v ] !== undefined ) materialValues[ v ] = khrMaterial[ v ];
+
+		} );
+
+		if ( materialValues.diffuseFactor !== undefined ) {
+
+			materialParams.color = new THREE.Color().fromArray( materialValues.diffuseFactor );
+			materialParams.opacity = materialValues.diffuseFactor[ 3 ];
+
+		}
+
+		if ( materialValues.diffuseTexture !== undefined ) {
+
+			pending.push( parser.assignTexture( materialParams, 'map', materialValues.diffuseTexture.index ) );
+
+		}
+
+		if ( materialValues.specularFactor !== undefined ) {
+
+			materialParams.specular = new THREE.Color().fromArray( materialValues.specularFactor );
+
+		}
+
+		if ( materialValues.specularTexture !== undefined ) {
+
+			pending.push( parser.assignTexture( materialParams, 'specularMap', materialValues.specularTexture.index ) );
+
+		}
+
+		if ( materialValues.shininessFactor !== undefined ) {
+
+			materialParams.shininess = materialValues.shininessFactor;
+
+		}
+
+		return Promise.all( pending );
+
+	};
+
+	/**
+	 * Unlit Materials Extension (pending)
+	 *
+	 * PR: https://github.com/KhronosGroup/glTF/pull/1163
+	 */
+	function GLTFMaterialsUnlitExtension( json ) {
+
+		this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
+
+	}
+
+	GLTFMaterialsUnlitExtension.prototype.getMaterialType = function ( material ) {
+
+		return THREE.MeshBasicMaterial;
+
+	};
+
+	GLTFMaterialsUnlitExtension.prototype.extendParams = function ( materialParams, material, parser ) {
+
+		var pending = [];
+
+		var metallicRoughness = material.pbrMetallicRoughness;
+
+		materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
+		materialParams.opacity = 1.0;
+
+		if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
+
+			var array = metallicRoughness.baseColorFactor;
+
+			materialParams.color.fromArray( array );
+			materialParams.opacity = array[ 3 ];
+
+		}
+
+		if ( metallicRoughness.baseColorTexture !== undefined ) {
+
+			pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture.index ) );
+
+		}
+
+		return Promise.all( pending );
+
+	};
+
 	/* BINARY EXTENSION */
 
 	var BINARY_EXTENSION_BUFFER_NAME = 'binary_glTF';
@@ -1715,6 +1868,12 @@ THREE.GLTFLoader = ( function () {
 			materialType = sgExtension.getMaterialType( materialDef );
 			pending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );
 
+		} else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {
+
+			var kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];
+			materialType = kmuExtension.getMaterialType( materialDef );
+			pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );
+
 		} else if ( materialDef.pbrMetallicRoughness !== undefined ) {
 
 			// Specification:

examples/models/gltf/BotSkinned/glTF/Bot_Skinned.gltf

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+    {
+      "name": "LeftHandIndex1",
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+      ]
+    },
+    {
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+      ]
+    },
+    {
+      "name": "LeftHandIndex4",
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+      ],
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+      ]
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+    {
+      "name": "LeftHandMiddle1",
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+      ]
+    },
+    {
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+      ]
+    },
+    {
+      "name": "LeftHandMiddle3",
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+      ]
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+      "name": "LeftHandMiddle4",
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+      ]
+    },
+    {
+      "name": "LeftHandRing2",
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+      ]
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+      ]
+    },
+    {
+      "name": "LeftHandRing4",
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+    },
+    {
+      "name": "LeftHandPinky1",
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+      "children": [
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+      ]
+    },
+    {
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+      ]
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+      "name": "LeftHandPinky4",
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+      ],
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+      ]
+    },
+    {
+      "name": "Neck",
+      "translation": [
+        -2.09076530502568e-16,
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+        -3.28626015289046e-14
+      ],
+      "rotation": [
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+        1,
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+      ],
+      "children": [
+        46
+      ]
+    },
+    {
+      "name": "Head",
+      "translation": [
+        -1.72115390890012e-17,
+        9.05494976043701,
+        2.07404236001782e-16
+      ],
+      "rotation": [
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+        1.0842021724855e-19,
+        1
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+      "scale": [
+        1,
+        1,
+        1
+      ],
+      "children": [
+        47,
+        48,
+        49
+      ]
+    },
+    {
+      "name": "HeadTop_End",
+      "translation": [
+        -2.66453525910038e-15,
+        17.8367767333984,
+        -4.03896783473158e-28
+      ],
+      "rotation": [
+        0,
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+        1.76324152623343e-37,
+        1
+      ],
+      "scale": [
+        1,
+        1,
+        1
+      ]
+    },
+    {
+      "name": "RightEye",
+      "translation": [
+        -6.14273977279663,
+        6.2331337928772,
+        13.0336484909058
+      ],
+      "rotation": [
+        -6.938892249546e-18,
+        -1.36491360355013e-20,
+        0.00379808945581317,
+        0.999992787837982
+      ],
+      "scale": [
+        1,
+        1,
+        1
+      ]
+    },
+    {
+      "name": "LeftEye",
+      "translation": [
+        6.14274263381958,
+        6.2331337928772,
+        13.0336484909058
+      ],
+      "rotation": [
+        -6.938892249546e-18,
+        -1.36491360355013e-20,
+        0.00379808945581317,
+        0.999992787837982
+      ],
+      "scale": [
+        1,
+        1,
+        1
+      ]
+    },
+    {
+      "name": "Bot_Skinned",
+      "translation": [
+        0,
+        0,
+        0
+      ],
+      "rotation": [
+        0,
+        0,
+        0,
+        1
+      ],
+      "scale": [
+        0.00999999977648258,
+        0.00999999977648258,
+        0.00999999977648258
+      ],
+      "mesh": 0,
+      "skin": 0
+    }
+  ]
+}

examples/webgl_loader_gltf_extensions.html

@@ -89,6 +89,7 @@
 				<option value="glTF">None (Default)</option>
 				<option value="glTF-Embedded">None (Embedded)</option>
 				<option value="glTF-Binary">None (Binary)</option>
+				<option value="glTF-MaterialsUnlit">Materials Unlit</option>
 				<option value="glTF-pbrSpecularGlossiness">Specular-Glossiness (PBR)</option>
 			</select>
 		</div>
@@ -216,7 +217,7 @@
 				var r = eval("/" + '\%s' + "/g");
 				url = url.replace(r, extension);
 
-				if (extension === 'glTF-Binary') {
+				if (extension === 'glTF-Binary' || extension === 'glTF-MaterialsUnlit') {
 					url = url.replace('.gltf', '.glb');
 				}
 
@@ -431,6 +432,14 @@
 					extensions: ['glTF', 'glTF-pbrSpecularGlossiness', 'glTF-Binary'],
 					addEnvMap: true
 				},
+				{
+					name : 'Bot Skinned', url : './models/gltf/BotSkinned/%s/Bot_Skinned.gltf',
+					cameraPos: new THREE.Vector3(0, 4, 6),
+					objectRotation: new THREE.Euler(0, 0, 0),
+					addLights:true,
+					extensions: ['glTF', 'glTF-MaterialsUnlit'],
+					addEnvMap: true
+				},
 				{
 					name : 'MetalRoughSpheres (PBR)', url : './models/gltf/MetalRoughSpheres/%s/MetalRoughSpheres.gltf',
 					cameraPos: new THREE.Vector3(2, 1, 15),