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MeshPhongMaterial: remove support for rect area light

WestLangley 8 år sedan
förälder
a1fb0b5b3f
incheckning
dad08be938
3 ändrade filer med 31 tillägg och 149 borttagningar
Delad Vy Visa Diff Statistik
  1. 0 1
      examples/js/lights/RectAreaLightUniformsLib.js
  2. 31 108
      examples/webgl_lights_rectarealight.html
  3. 0 40
      src/renderers/shaders/ShaderChunk/lights_phong_pars_fragment.glsl

+ 0 - 1
examples/js/lights/RectAreaLightUniformsLib.js
Visa fil 

@@ -54,7 +54,6 @@
 
 
 	var ltc_brdf = { ltcMat: { value: null }, ltcMag: { value: null } };
 
 
-	Object.assign( ShaderLib.phong.uniforms, ltc_brdf );
 
 	Object.assign( ShaderLib.standard.uniforms, ltc_brdf );
 
 	Object.assign( ShaderLib.physical.uniforms, ltc_brdf );

+ 31 - 108
examples/webgl_lights_rectarealight.html
Visa fil 

@@ -1,7 +1,7 @@
 
 <!DOCTYPE html>
 
 <html lang="en">
 
 	<head>
 
-		<title>three.js webgl - lights - rect light</title>
 
+		<title>three.js webgl - lights - rect area light</title>
 
 		<meta charset="utf-8">
 
 		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
 
 		<style>
 
@@ -35,7 +35,7 @@
 
 
 		<div id="container"></div>
 
 		<div id="info">
 
-			<a href="http://threejs.org" target="_blank">three.js</a> - Demo of RectAreaLight on Phong and Standard Material Meshes - by <a href="http://github.com/abelnation" target="_blank">abelnation</a><br />
 
+			<a href="http://threejs.org" target="_blank">three.js</a> - Demo of RectAreaLight - by <a href="http://github.com/abelnation" target="_blank">abelnation</a><br />
 
 			Click and drag to move OrbitControls.<br />
 
 			<br />
 
 		</div>
 
@@ -54,24 +54,17 @@
 
 			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
 
 
 			var rnd = new THREE.WebGLRenderer();
 
-			var cam = new THREE.PerspectiveCamera( 34, window.innerWidth / window.innerHeight, 0.1, 20000 );
 
+			var cam = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
 
 			var orb = new THREE.OrbitControls( cam, rnd.domElement );
 
 
 			var scn = new THREE.Scene();
 
 			var origin = new THREE.Object3D();
 
 
-			var matPhongParams = {
 
-				specular: 0xFFFFFF,
 
-				shininess: 1000
 
-			};
 
 			var matStdParams = {
 
 				roughness: 0.044676705160855, // calculated from shininess = 1000
 
 				metalness: 0.0
 
 			};
 
 
-			var matPhongFloor = new THREE.MeshPhongMaterial( matPhongParams );
 
-			var matPhongObjects = new THREE.MeshPhongMaterial( matPhongParams );
 
-
 
 			var matStdFloor = new THREE.MeshStandardMaterial( matStdParams );
 
 			var matStdObjects = new THREE.MeshStandardMaterial( matStdParams );
 
 
@@ -80,17 +73,12 @@
 
 			var geoSphere = new THREE.SphereGeometry( 1.5, 32, 32 );
 
 			var geoKnot = new THREE.TorusKnotGeometry( 1.5, 0.5, 100, 16 );
 
 
-			var mshPhongFloor = new THREE.Mesh( geoFloor, matPhongFloor );
 
-			var mshPhongBox = new THREE.Mesh( geoBox, matPhongObjects );
 
-			var mshPhongSphere = new THREE.Mesh( geoSphere, matPhongObjects );
 
-			var mshPhongKnot = new THREE.Mesh( geoKnot, matPhongObjects );
 
-
 
 			var mshStdFloor = new THREE.Mesh( geoFloor, matStdFloor );
 
 			var mshStdBox = new THREE.Mesh( geoBox, matStdObjects );
 
 			var mshStdSphere = new THREE.Mesh( geoSphere, matStdObjects );
 
 			var mshStdKnot = new THREE.Mesh( geoKnot, matStdObjects );
 
 
-			var amb = new THREE.AmbientLight( 0x000000 );
 
+			var amb = new THREE.AmbientLight( 0xffffff, 0.0 );
 
 
 			var rectLight;
 
 			var rectLightHelper;
 
@@ -126,13 +114,10 @@
 
 
 				cam.position.set( 0, 20, 45 );
 
 
-				rectLight = new THREE.RectAreaLight( 0xFFFFFF, undefined, 2, 10 );
 
-				rectLight.matrixAutoUpdate = true;
 
-				rectLight.intensity = 80.0;
 
+				rectLight = new THREE.RectAreaLight( 0xffffff, 100, 10, 10 );
 
 				rectLight.position.set( 5, 5, 0 );
 
 
 				// TODO: ensure RectAreaLight handles target param correctly
 
-				// rectLight.target = mshPhongBox;
 
 
 				rectLightHelper = new THREE.RectAreaLightHelper( rectLight );
 
 				scn.add( rectLightHelper );
 
@@ -142,42 +127,19 @@
 
 				scn.add( cam );
 
 				scn.add( origin );
 
 
-				matPhongFloor.color.set( 0x808080 );
 
-				matPhongObjects.color.set( 0xA00000 );
 
 				matStdFloor.color.set( 0x808080 );
 
 				matStdObjects.color.set( 0xA00000 );
 
 
-				mshPhongFloor.receiveShadow = true;
 
-				mshPhongFloor.position.set( 0, 0, 0 );
 
-
 
-				mshPhongBox.castShadow = true;
 
-				mshPhongBox.receiveShadow = true;
 
-				mshPhongBox.position.set( 0, 5, 5 );
 
-				mshPhongBox.rotation.set( 0, Math.PI / 2.0, 0 );
 
-
 
-				mshPhongSphere.castShadow = true;
 
-				mshPhongSphere.receiveShadow = true;
 
-				mshPhongSphere.position.set(-5, 5, 5 );
 
-
 
-				mshPhongKnot.position.set( 5, 5, 5 );
 
-				mshPhongKnot.castShadow = true;
 
-				mshPhongKnot.receiveShadow = true;
 
-
 
-				scn.add( mshPhongFloor );
 
-				scn.add( mshPhongBox );
 
-				scn.add( mshPhongSphere );
 
-				scn.add( mshPhongKnot );
 
-
 
 				mshStdBox.castShadow = true;
 
 				mshStdBox.receiveShadow = true;
 
-				mshStdBox.position.set( 0, 5, -5 );
 
+				mshStdBox.position.set( 0, 5, 0 );
 
 				mshStdBox.rotation.set( 0, Math.PI / 2.0, 0 );
 
 
 				mshStdSphere.castShadow = true;
 
 				mshStdSphere.receiveShadow = true;
 
-				mshStdSphere.position.set(-5, 5, -5 );
 
+				mshStdSphere.position.set( -5, 5, 0 );
 
 
-				mshStdKnot.position.set( 5, 5, -5 );
 
+				mshStdKnot.position.set( 5, 5, 0 );
 
 				mshStdKnot.castShadow = true;
 
 				mshStdKnot.receiveShadow = true;
 
 
@@ -191,12 +153,14 @@
 
 				scn.add( rectLight );
 
 
 				document.body.appendChild( rnd.domElement );
 
+
 
 				onResize();
 
-				window.addEventListener( 'resize', onResize, false );
 
 
-				orb.addEventListener( 'change', render );
 
+				orb.target.copy( mshStdBox.position );
 
 				orb.update();
 
 
+				window.addEventListener( 'resize', onResize, false );
 
+
 
 			}
 
 
 			function onResize() {
 
@@ -204,7 +168,6 @@
 
 				rnd.setSize( window.innerWidth, window.innerHeight );
 
 				cam.aspect = ( window.innerWidth / window.innerHeight );
 
 				cam.updateProjectionMatrix();
 
-				orb.target = mshPhongBox.position;
 
 
 			}
 
 
@@ -221,14 +184,6 @@
 
 
 			function update() {
 
 
-				var dt = 6000;
 
-				var qdt = dt / 4.0;
 
-				var dirSigns = [
 
-					[ 1,  1 ],
 
-					[ - 1,  1 ],
 
-					[ - 1,  1 ],
 
-					[ 1,  1 ]
 
-				];
 
 				var t = ( Date.now() / 1000 );
 
 
 				// move light in circle around center
 
@@ -243,7 +198,6 @@
 
 
 				rectLight.position.set( lx, ly, lz );
 
 				rectLight.lookAt( origin.position );
 
-				rectLight.updateMatrixWorld();
 
 
 			}
 
 
@@ -259,24 +213,14 @@
 
 				if ( gui ) gui.destroy();
 
 
 				gui = new dat.GUI();
 
-				gui.width = 190;
 
 				var gStyle = gui.domElement.style;
 
 				gStyle.position = "absolute";
 
 				gStyle.top = "48px";
 
-				gStyle.height = "220px";
 
 
 				gui.open();
 
 
 			}
 
 
-			function blinnToGGX( blinnExp ) {
 
-				return Math.sqrt( 2.0 / ( blinnExp + 2.0 ) );
 
-			}
 
-
 
-			function GGXToBlinn( roughness ) {
 
-				return ( 2.0 / Math.pow( roughness + 0.0001, 2 ) - 2.0 );
 
-			}
 
-
 
 			function buildGui() {
 
 
 				clearGui();
 
@@ -287,27 +231,25 @@
 
 					height: rectLight.height,
 
 					color: rectLight.color.getHex(),
 
 					intensity: rectLight.intensity,
 
-					'ambient light color': amb.color.getHex(),
 
-					'floor color p': matPhongFloor.color.getHex(),
 
-					'object color p': matPhongObjects.color.getHex(),
 
-					'shininess p': matPhongFloor.shininess,
 
-					'floor color s': matStdFloor.color.getHex(),
 
-					'object color s': matStdObjects.color.getHex(),
 
-					'roughness s': matStdFloor.roughness,
 
-					'metalness s': matStdFloor.metalness,
 
+					'ambient': amb.intensity,
 
+					'floor color': matStdFloor.color.getHex(),
 
+					'object color': matStdObjects.color.getHex(),
 
+					'roughness': matStdFloor.roughness,
 
+					'metalness': matStdFloor.metalness,
 
 
 				};
 
 
 				gui.add( param, 'motion' );
 
 
 				var lightFolder = gui.addFolder( 'Light' );
 
-				lightFolder.add( param, 'width', 0.1, 20).onChange( function ( val ) {
 
+
 
+				lightFolder.add( param, 'width', 0.1, 20 ).onChange( function ( val ) {
 
 
 					rectLight.width = val;
 
 
 				} );
 
 
-				lightFolder.add( param, 'height', 0.1, 20).onChange( function ( val ) {
 
+				lightFolder.add( param, 'height', 0.1, 20 ).onChange( function ( val ) {
 
 
 					rectLight.height = val;
 
 
@@ -319,70 +261,51 @@
 
 
 				} );
 
 
-				lightFolder.add( param, 'intensity', 0.0, 200.0 ).onChange( function ( val ) {
 
+				lightFolder.add( param, 'intensity', 0.0, 400.0 ).onChange( function ( val ) {
 
 
 					rectLight.intensity = val;
 
 
 				} );
 
 
-				lightFolder.addColor( param, 'ambient light color' ).onChange( function ( val ) {
 
-
 
-					amb.color.setHex( val );
 
-
 
-				} );
 
-
 
-				var phongFolder = gui.addFolder( 'Phong Material' );
 
-				phongFolder.addColor( param, 'floor color p' ).onChange( function ( val ) {
 
-
 
-						matPhongFloor.color.setHex( val );
 
-
 
-					} );
 
-
 
-				phongFolder.addColor( param, 'object color p' ).onChange( function ( val ) {
 
+				lightFolder.add( param, 'ambient', 0.0, 0.05 ).onChange( function ( val ) {
 
 
-					matPhongObjects.color.setHex( val );
 
+					amb.intensity = val;
 
 
 				} );
 
 
-				phongFolder.add( param, 'shininess p', 0.0, 1000.0 ).listen().onChange( function ( val ) {
 
-
 
-					matPhongObjects.shininess = val;
 
-					matPhongFloor.shininess = val;
 
-
 
-					param['roughness s'] = blinnToGGX( val );
 
-
 
-				} );
 
+				lightFolder.open();
 
 
 				var standardFolder = gui.addFolder( 'Standard Material' );
 
-				standardFolder.addColor( param, 'floor color s' ).onChange( function ( val ) {
 
+
 
+				standardFolder.addColor( param, 'floor color' ).onChange( function ( val ) {
 
 
 					matStdFloor.color.setHex( val );
 
 
 				} );
 
 
-				standardFolder.addColor( param, 'object color s' ).onChange( function ( val ) {
 
+				standardFolder.addColor( param, 'object color' ).onChange( function ( val ) {
 
 
 					matStdObjects.color.setHex( val );
 
 
 				} );
 
 
-				standardFolder.add( param, 'roughness s', 0.0, 1.0 ).listen().onChange( function ( val ) {
 
+				standardFolder.add( param, 'roughness', 0.0, 1.0 ).onChange( function ( val ) {
 
 
 					matStdObjects.roughness = val;
 
 					matStdFloor.roughness = val;
 
 
-					param['shininess p'] = GGXToBlinn( val );
 
-
 
 				} );
 
 
 				// TODO (abelnation): use env map to reflect metal property
 
-				standardFolder.add( param, 'metalness s', 0.0, 1.0 ).onChange( function ( val ) {
 
+				standardFolder.add( param, 'metalness', 0.0, 1.0 ).onChange( function ( val ) {
 
 
 					matStdObjects.metalness = val;
 
 					matStdFloor.metalness = val;
 
 
 				} );
 
 
+				standardFolder.open();
 
+
 
 				// TODO: rect area light distance
 
 				// TODO: rect area light decay

+ 0 - 40
src/renderers/shaders/ShaderChunk/lights_phong_pars_fragment.glsl
Visa fil 

@@ -16,45 +16,6 @@ struct BlinnPhongMaterial {
 
 
 };
 
 
-#if NUM_RECT_AREA_LIGHTS > 0
 
-
 
-	void RE_Direct_RectArea_BlinnPhong( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
 
-
 
-		vec3 normal = geometry.normal;
 
-		vec3 viewDir = geometry.viewDir;
 
-		vec3 position = geometry.position;
 
-		vec3 lightPos = rectAreaLight.position;
 
-		vec3 halfWidth = rectAreaLight.halfWidth;
 
-		vec3 halfHeight = rectAreaLight.halfHeight;
 
-		vec3 lightColor = rectAreaLight.color;
 
-		float roughness = BlinnExponentToGGXRoughness( material.specularShininess );
 
-
 
-		vec3 rectCoords[ 4 ];
 
-		rectCoords[ 0 ] = lightPos - halfWidth - halfHeight; // counterclockwise
 
-		rectCoords[ 1 ] = lightPos + halfWidth - halfHeight;
 
-		rectCoords[ 2 ] = lightPos + halfWidth + halfHeight;
 
-		rectCoords[ 3 ] = lightPos - halfWidth + halfHeight;
 
-
 
-		vec2 uv = LTC_Uv( normal, viewDir, roughness );
 
-
 
-		float norm = texture2D( ltcMag, uv ).a;
 
-
 
-		vec4 t = texture2D( ltcMat, uv );
 
-
 
-		mat3 mInv = mat3(
 
-			vec3(   1,   0, t.y ),
 
-			vec3(   0, t.z,   0 ),
 
-			vec3( t.w,   0, t.x )
 
-		);
 
-
 
-		reflectedLight.directSpecular += lightColor * material.specularColor * norm * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords ); // no fresnel
 
-
 
-		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1 ), rectCoords );
 
-
 
-	}
 
-
 
-#endif
 
-
 
 void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
 
 
 	#ifdef TOON
 
@@ -87,7 +48,6 @@ void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in Geometric
 
 }
 
 
 #define RE_Direct				RE_Direct_BlinnPhong
 
-#define RE_Direct_RectArea		RE_Direct_RectArea_BlinnPhong
 
 #define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong
 
 
 #define Material_LightProbeLOD( material )	(0)