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2419 lines (1603 loc) · 67.9 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - node material</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
color: #fff;
font-family:Monospace;
font-size:13px;
margin: 0px;
text-align:center;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
display:block;
}
a { color: white }
</style>
</head>
<body>
<div id="container"></div>
<div id="info">
</div>
<script src="lib/three.js"></script>
<script src='lib/geometries/TeapotBufferGeometry.js'></script>
<script src="lib/OrbitControls.js"></script>
<script src="lib/dat.gui.min.js"></script>
<!-- NodeLibrary -->
<script src="lib/nodes/GLNode.js"></script>
<script src="lib/nodes/RawNode.js"></script>
<script src="lib/nodes/TempNode.js"></script>
<script src="lib/nodes/InputNode.js"></script>
<script src="lib/nodes/ConstNode.js"></script>
<script src="lib/nodes/VarNode.js"></script>
<script src="lib/nodes/FunctionNode.js"></script>
<script src="lib/nodes/FunctionCallNode.js"></script>
<script src="lib/nodes/AttributeNode.js"></script>
<script src="lib/nodes/NodeBuilder.js"></script>
<script src="lib/nodes/NodeLib.js"></script>
<script src="lib/nodes/NodeFrame.js"></script>
<script src="lib/nodes/NodeMaterial.js"></script>
<!-- Accessors -->
<script src="lib/nodes/accessors/PositionNode.js"></script>
<script src="lib/nodes/accessors/NormalNode.js"></script>
<script src="lib/nodes/accessors/UVNode.js"></script>
<script src="lib/nodes/accessors/ScreenUVNode.js"></script>
<script src="lib/nodes/accessors/ColorsNode.js"></script>
<script src="lib/nodes/accessors/CameraNode.js"></script>
<script src="lib/nodes/accessors/ReflectNode.js"></script>
<script src="lib/nodes/accessors/LightNode.js"> </script>
<!-- Inputs -->
<script src="lib/nodes/inputs/IntNode.js"></script>
<script src="lib/nodes/inputs/FloatNode.js"></script>
<script src="lib/nodes/inputs/ColorNode.js"></script>
<script src="lib/nodes/inputs/Vector2Node.js"></script>
<script src="lib/nodes/inputs/Vector3Node.js"></script>
<script src="lib/nodes/inputs/Vector4Node.js"></script>
<script src="lib/nodes/inputs/TextureNode.js"></script>
<script src="lib/nodes/inputs/Matrix3Node.js"></script>
<script src="lib/nodes/inputs/Matrix4Node.js"></script>
<script src="lib/nodes/inputs/CubeTextureNode.js"></script>
<!-- Math -->
<script src="lib/nodes/math/Math1Node.js"></script>
<script src="lib/nodes/math/Math2Node.js"></script>
<script src="lib/nodes/math/Math3Node.js"></script>
<script src="lib/nodes/math/OperatorNode.js"></script>
<!-- Utils -->
<script src="lib/nodes/utils/SwitchNode.js"></script>
<script src="lib/nodes/utils/JoinNode.js"></script>
<script src="lib/nodes/utils/TimerNode.js"></script>
<script src="lib/nodes/utils/RoughnessToBlinnExponentNode.js"></script>
<script src="lib/nodes/utils/VelocityNode.js"></script>
<script src="lib/nodes/utils/LuminanceNode.js"></script>
<script src="lib/nodes/utils/ColorAdjustmentNode.js"></script>
<script src="lib/nodes/utils/NoiseNode.js"></script>
<script src="lib/nodes/utils/ResolutionNode.js"></script>
<script src="lib/nodes/utils/BumpNode.js"></script>
<script src="lib/nodes/utils/BlurNode.js"></script>
<script src="lib/nodes/utils/UVTransformNode.js"></script>
<!-- Phong Material -->
<script src="lib/nodes/materials/PhongNode.js"></script>
<script src="lib/nodes/materials/PhongNodeMaterial.js"></script>
<!-- Standard Material -->
<script src="lib/nodes/materials/StandardNode.js"></script>
<script src="lib/nodes/materials/StandardNodeMaterial.js"></script>
<!-- NodeMaterial Loader -->
<script src="lib/loaders/NodeMaterialLoader.js" ></script>
<script>
var container = document.getElementById('container');
var renderer, scene, camera, clock = new THREE.Clock(), fov = 50;
var frame = new THREE.NodeFrame();
var teapot, mesh;
var controls;
var move = false;
var rtTexture, rtMaterial;
var gui, guiElements = [];
var library = {};
var serialized = false;
var textures = {
brick: { url: 'textures/brick_diffuse.jpg' },
grass: { url: 'textures/terrain/grasslight-big.jpg' },
grassNormal: { url: 'textures/terrain/grasslight-big-nm.jpg' },
decalDiffuse: { url: 'textures/decal/decal-diffuse.png' },
cloud: { url: 'textures/lava/cloud.png' },
spherical: { url: 'textures/envmap.png' }
};
var param = { example: 'standard' };
function getTexture(name) {
var texture = textures[name].texture;
if (!texture) {
texture = textures[name].texture = new THREE.TextureLoader().load(textures[name].url);
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
library[texture.uuid] = texture;
}
return texture;
}
var cubemap = function () {
var path = "textures/cube/Park2/";
var format = '.jpg';
var urls = [
path + 'posx' + format, path + 'negx' + format,
path + 'posy' + format, path + 'negy' + format,
path + 'posz' + format, path + 'negz' + format
];
var textureCube = new THREE.CubeTextureLoader().load(urls);
textureCube.format = THREE.RGBFormat;
library[textureCube.uuid] = textureCube;
return textureCube;
} ();
window.addEventListener('load', init);
function init() {
renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.uuid = THREE.Math.generateUUID(); // generate to library
container.appendChild(renderer.domElement);
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(fov, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.x = 50;
camera.position.z = -50;
camera.position.y = 30;
camera.target = new THREE.Vector3();
controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.minDistance = 50;
controls.maxDistance = 200;
scene.add(new THREE.AmbientLight(0x464646));
var light = new THREE.DirectionalLight(0xffddcc, 1);
light.position.set(1, 0.75, 0.5);
scene.add(light);
var light = new THREE.DirectionalLight(0xccccff, 1);
light.position.set(-1, 0.75, -0.5);
scene.add(light);
teapot = new THREE.TeapotBufferGeometry(15, 18);
mesh = new THREE.Mesh(teapot);
scene.add(mesh);
library[renderer.uuid] = renderer;
library[camera.uuid] = camera;
library[mesh.uuid] = mesh;
window.addEventListener('resize', onWindowResize, false);
updateMaterial();
onWindowResize();
animate();
}
function clearGui() {
if (gui) gui.destroy();
gui = new dat.GUI();
var example = gui.add(param, 'example', {
'basic / standard': 'standard',
'basic / physical': 'physical',
'basic / phong': 'phong',
'basic / layers': 'layers',
'basic / rim': 'rim',
'basic / color-adjustment': 'color-adjustment',
'basic / uv-transform': 'uv-transform',
'basic / bump': 'bump',
'basic / blur': 'blur',
'basic / spherical-reflection': 'spherical-reflection',
'adv / fresnel': 'fresnel',
'adv / saturation': 'saturation',
'adv / top-bottom': 'top-bottom',
'adv / skin': 'skin',
'adv / skin-phong': 'skin-phong',
'adv / caustic': 'caustic',
'adv / displace': 'displace',
'adv / plush': 'plush',
'adv / toon': 'toon',
'adv / camera-depth': 'camera-depth',
'adv / soft-body': 'soft-body',
'adv / wave': 'wave',
'adv / triangle-blur': 'triangle-blur',
'adv / expression': 'expression',
'adv / sss': 'sss',
'adv / translucent': 'translucent',
'misc / smoke': 'smoke',
'misc / firefly': 'firefly',
'misc / reserved-keywords': 'reserved-keywords',
'misc / varying': 'varying',
'misc / readonly': 'readonly',
'misc / custom-attribute': 'custom-attribute'
}).onFinishChange(function () {
updateMaterial();
});
gui.open();
}
function addGui(name, value, callback, isColor, min, max) {
var node;
param[name] = value;
if (isColor) {
node = gui.addColor(param, name).onChange(function () {
callback(param[name]);
});
} else if (typeof value == 'object') {
node = gui.add(param, name, value).onChange(function () {
callback(param[name]);
});
} else {
node = gui.add(param, name, min, max).onChange(function () {
callback(param[name]);
});
}
return node;
}
function updateMaterial() {
move = false;
if (mesh.material) mesh.material.dispose();
if (rtTexture) {
delete library[rtTexture.uuid];
rtTexture.dispose();
rtTexture = null;
}
if (rtMaterial) {
rtMaterial.dispose();
rtMaterial = null;
}
var name = param.example;
var mtl;
clearGui();
switch (name) {
case 'phong':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
//mtl.color = // albedo (vec3)
//mtl.alpha = // opacity (float)
//mtl.specular = // specular color (vec3)
//mtl.shininess = // shininess (float)
//mtl.normal = // normalmap (vec3)
//mtl.normalScale = // normalmap scale (vec2)
//mtl.emissive = // emissive color (vec3)
//mtl.ambient = // ambient color (vec3)
//mtl.shadow = // shadowmap (vec3)
//mtl.light = // custom-light (vec3)
//mtl.ao = // ambient occlusion (float)
//mtl.light = // input/output light (vec3)
//mtl.environment = // reflection/refraction (vec3)
//mtl.environmentAlpha = // environment alpha (float)
//mtl.transform = // vertex transformation (vec3)
var mask = new THREE.SwitchNode(new THREE.TextureNode(getTexture("decalDiffuse")), 'w');
mtl.color = new THREE.TextureNode(getTexture("grass"));
mtl.specular = new THREE.FloatNode(.5);
mtl.shininess = new THREE.FloatNode(15);
mtl.environment = new THREE.CubeTextureNode(cubemap);
mtl.environmentAlpha = mask;
mtl.normal = new THREE.TextureNode(getTexture("grassNormal"));
mtl.normalScale = new THREE.Math1Node(mask, THREE.Math1Node.INVERT);
break;
case 'standard':
// MATERIAL
mtl = new THREE.StandardNodeMaterial();
//mtl.color = // albedo (vec3)
//mtl.alpha = // opacity (float)
//mtl.roughness = // roughness (float)
//mtl.metalness = // metalness (float)
//mtl.normal = // normalmap (vec3)
//mtl.normalScale = // normalmap scale (vec2)
//mtl.emissive = // emissive color (vec3)
//mtl.ambient = // ambient color (vec3)
//mtl.shadow = // shadowmap (vec3)
//mtl.light = // custom-light (vec3)
//mtl.ao = // ambient occlusion (float)
//mtl.environment = // reflection/refraction (vec3)
//mtl.transform = // vertex transformation (vec3)
var mask = new THREE.SwitchNode(new THREE.TextureNode(getTexture("decalDiffuse")), 'w');
var normalScale = new THREE.FloatNode(.3);
var roughnessA = new THREE.FloatNode(.5);
var metalnessA = new THREE.FloatNode(.5);
var roughnessB = new THREE.FloatNode(0);
var metalnessB = new THREE.FloatNode(1);
var roughness = new THREE.Math3Node(
roughnessA,
roughnessB,
mask,
THREE.Math3Node.MIX
);
var metalness = new THREE.Math3Node(
metalnessA,
metalnessB,
mask,
THREE.Math3Node.MIX
);
var normalMask = new THREE.OperatorNode(
new THREE.Math1Node(mask, THREE.Math1Node.INVERT),
normalScale,
THREE.OperatorNode.MUL
);
mtl.color = new THREE.ColorNode(0xEEEEEE);
mtl.roughness = roughness;
mtl.metalness = metalness;
mtl.environment = new THREE.CubeTextureNode(cubemap);
mtl.normal = new THREE.TextureNode(getTexture("grassNormal"));
mtl.normalScale = normalMask;
// GUI
addGui('color', mtl.color.value.getHex(), function (val) {
mtl.color.value.setHex(val);
}, true);
addGui('roughnessA', roughnessA.number, function (val) {
roughnessA.number = val;
}, false, 0, 1);
addGui('metalnessA', metalnessA.number, function (val) {
metalnessA.number = val;
}, false, 0, 1);
addGui('roughnessB', roughnessB.number, function (val) {
roughnessB.number = val;
}, false, 0, 1);
addGui('metalnessB', metalnessB.number, function (val) {
metalnessB.number = val;
}, false, 0, 1);
addGui('normalScale', normalScale.number, function (val) {
normalScale.number = val;
}, false, 0, 1);
break;
case 'physical':
// MATERIAL
mtl = new THREE.StandardNodeMaterial();
//mtl.color = // albedo (vec3)
//mtl.alpha = // opacity (float)
//mtl.roughness = // roughness (float)
//mtl.metalness = // metalness (float)
//mtl.reflectivity = // reflectivity (float)
//mtl.clearCoat = // clearCoat (float)
//mtl.clearCoatRoughness = // clearCoatRoughness (float)
//mtl.normal = // normalmap (vec3)
//mtl.normalScale = // normalmap scale (vec2)
//mtl.emissive = // emissive color (vec3)
//mtl.ambient = // ambient color (vec3)
//mtl.shadow = // shadowmap (vec3)
//mtl.light = // custom-light (vec3)
//mtl.ao = // ambient occlusion (float)
//mtl.environment = // reflection/refraction (vec3)
//mtl.transform = // vertex transformation (vec3)
var mask = new THREE.SwitchNode(new THREE.TextureNode(getTexture("decalDiffuse")), 'w');
var normalScale = new THREE.FloatNode(.3);
var roughnessA = new THREE.FloatNode(.5);
var metalnessA = new THREE.FloatNode(.5);
var roughnessB = new THREE.FloatNode(0);
var metalnessB = new THREE.FloatNode(1);
var reflectivity = new THREE.FloatNode(0);
var clearCoat = new THREE.FloatNode(1);
var clearCoatRoughness = new THREE.FloatNode(1);
var roughness = new THREE.Math3Node(
roughnessA,
roughnessB,
mask,
THREE.Math3Node.MIX
);
var metalness = new THREE.Math3Node(
metalnessA,
metalnessB,
mask,
THREE.Math3Node.MIX
);
var normalMask = new THREE.OperatorNode(
new THREE.Math1Node(mask, THREE.Math1Node.INVERT),
normalScale,
THREE.OperatorNode.MUL
);
mtl.color = new THREE.ColorNode(0xEEEEEE);
mtl.roughness = roughness;
mtl.metalness = metalness;
mtl.reflectivity = reflectivity;
mtl.clearCoat = clearCoat;
mtl.clearCoatRoughness = clearCoatRoughness;
mtl.environment = new THREE.CubeTextureNode(cubemap);
mtl.normal = new THREE.TextureNode(getTexture("grassNormal"));
mtl.normalScale = normalMask;
// GUI
addGui('color', mtl.color.value.getHex(), function (val) {
mtl.color.value.setHex(val);
}, true);
addGui('reflectivity', reflectivity.number, function (val) {
reflectivity.number = val;
}, false, 0, 1);
addGui('clearCoat', clearCoat.number, function (val) {
clearCoat.number = val;
}, false, 0, 1);
addGui('clearCoatRoughness', clearCoatRoughness.number, function (val) {
clearCoatRoughness.number = val;
}, false, 0, 1);
addGui('roughnessA', roughnessA.number, function (val) {
roughnessA.number = val;
}, false, 0, 1);
addGui('metalnessA', metalnessA.number, function (val) {
metalnessA.number = val;
}, false, 0, 1);
addGui('roughnessB', roughnessB.number, function (val) {
roughnessB.number = val;
}, false, 0, 1);
addGui('metalnessB', metalnessB.number, function (val) {
metalnessB.number = val;
}, false, 0, 1);
addGui('normalScale', normalScale.number, function (val) {
normalScale.number = val;
}, false, 0, 1);
break;
case 'wave':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var time = new THREE.TimerNode();
var speed = new THREE.FloatNode(5);
var scale = new THREE.FloatNode(1);
var worldScale = new THREE.FloatNode(.4);
var colorA = new THREE.ColorNode(0xFFFFFF);
var colorB = new THREE.ColorNode(0x0054df);
// used for serialization only
time.name = "time";
speed.name = "speed";
var timeScale = new THREE.OperatorNode(
time,
speed,
THREE.OperatorNode.MUL
);
var worldScl = new THREE.OperatorNode(
new THREE.PositionNode(),
worldScale,
THREE.OperatorNode.MUL
);
var posContinuous = new THREE.OperatorNode(
worldScl,
timeScale,
THREE.OperatorNode.ADD
);
var wave = new THREE.Math1Node(posContinuous, THREE.Math1Node.SIN);
wave = new THREE.SwitchNode(wave, 'x');
var waveScale = new THREE.OperatorNode(
wave,
scale,
THREE.OperatorNode.MUL
);
var displaceY = new THREE.JoinNode(
new THREE.FloatNode(),
waveScale,
new THREE.FloatNode()
);
var displace = new THREE.OperatorNode(
new THREE.NormalNode(),
displaceY,
THREE.OperatorNode.MUL
);
var blend = new THREE.OperatorNode(
new THREE.PositionNode(),
displaceY,
THREE.OperatorNode.ADD
);
var color = new THREE.Math3Node(
colorB,
colorA,
wave,
THREE.Math3Node.MIX
);
mtl.color = color;
mtl.transform = blend;
// GUI
addGui('speed', speed.number, function (val) {
speed.number = val;
}, false, 0, 10);
addGui('scale', scale.number, function (val) {
scale.number = val;
}, false, 0, 3);
addGui('worldScale', worldScale.number, function (val) {
worldScale.number = val;
}, false, 0, 1);
addGui('colorA', colorA.value.getHex(), function (val) {
colorA.value.setHex(val);
}, true);
addGui('colorB', colorB.value.getHex(), function (val) {
colorB.value.setHex(val);
}, true);
addGui('useNormals', false, function (val) {
blend.b = val ? displace : displaceY;
mtl.build();
});
break;
case 'rim':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var intensity = 1.3;
var power = new THREE.FloatNode(3);
var color = new THREE.ColorNode(0xFFFFFF);
var viewZ = new THREE.Math2Node(
new THREE.NormalNode(THREE.NormalNode.VIEW),
new THREE.Vector3Node(0, 0, -intensity),
THREE.Math2Node.DOT
);
var rim = new THREE.OperatorNode(
viewZ,
new THREE.FloatNode(intensity),
THREE.OperatorNode.ADD
);
var rimPower = new THREE.Math2Node(
rim,
power,
THREE.Math2Node.POW
);
var rimColor = new THREE.OperatorNode(
rimPower,
color,
THREE.OperatorNode.MUL
);
mtl.color = new THREE.ColorNode(0x111111);
mtl.emissive = rimColor;
// GUI
addGui('color', color.value.getHex(), function (val) {
color.value.setHex(val);
}, true);
addGui('intensity', intensity, function (val) {
intensity = val;
viewZ.b.z = -intensity;
rim.b.number = intensity;
}, false, 0, 3);
addGui('power', power.number, function (val) {
power.number = val;
}, false, 0, 6);
addGui('xray', false, function (val) {
if (val) {
mtl.emissive = color;
mtl.alpha = rimPower;
mtl.blending = THREE.AdditiveBlending;
mtl.depthWrite = false;
} else {
mtl.emissive = rimColor;
mtl.alpha = null;
mtl.blending = THREE.NormalBlending;
mtl.depthWrite = true;
}
mtl.build();
});
break;
case 'color-adjustment':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var texture = new THREE.TextureNode(getTexture("brick"));
var hue = new THREE.FloatNode();
var sataturation = new THREE.FloatNode(1);
var vibrance = new THREE.FloatNode();
var brightness = new THREE.FloatNode(0);
var contrast = new THREE.FloatNode(1);
var hueNode = new THREE.ColorAdjustmentNode(texture, hue, THREE.ColorAdjustmentNode.HUE);
var satNode = new THREE.ColorAdjustmentNode(hueNode, sataturation, THREE.ColorAdjustmentNode.SATURATION);
var vibranceNode = new THREE.ColorAdjustmentNode(satNode, vibrance, THREE.ColorAdjustmentNode.VIBRANCE);
var brightnessNode = new THREE.ColorAdjustmentNode(vibranceNode, brightness, THREE.ColorAdjustmentNode.BRIGHTNESS);
var contrastNode = new THREE.ColorAdjustmentNode(brightnessNode, contrast, THREE.ColorAdjustmentNode.CONTRAST);
mtl.color = contrastNode;
// GUI
addGui('hue', hue.number, function (val) {
hue.number = val;
}, false, 0, Math.PI * 2);
addGui('saturation', sataturation.number, function (val) {
sataturation.number = val;
}, false, 0, 2);
addGui('vibrance', vibrance.number, function (val) {
vibrance.number = val;
}, false, -1, 1);
addGui('brightness', brightness.number, function (val) {
brightness.number = val;
}, false, 0, .5);
addGui('contrast', contrast.number, function (val) {
contrast.number = val;
}, false, 0, 2);
break;
case 'uv-transform':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var translate = new THREE.Vector2();
var rotate = 0;
var scale = new THREE.Vector2(1, 1);
var texture = new THREE.TextureNode(getTexture("brick"));
texture.coord = new THREE.UVTransformNode();
//texture.coord.uv = new THREE.UVNode( 1 ); // uv2 for example
mtl.color = texture;
// GUI
function updateUVTransform() {
texture.coord.setUvTransform(translate.x, translate.y, scale.x, scale.y, THREE.Math.degToRad(rotate));
}
addGui('translateX', translate.x, function (val) {
translate.x = val;
updateUVTransform();
}, false, 0, 10);
addGui('translateY', translate.y, function (val) {
translate.y = val;
updateUVTransform();
}, false, 0, 10);
addGui('scaleX', scale.x, function (val) {
scale.x = val;
updateUVTransform();
}, false, .1, 5);
addGui('scaleY', scale.y, function (val) {
scale.y = val;
updateUVTransform();
}, false, .1, 5);
addGui('rotate', rotate, function (val) {
rotate = val;
updateUVTransform();
}, false, 0, 360);
break;
case 'bump':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var diffuse = new THREE.TextureNode(getTexture("brick"));
var bump = new THREE.BumpNode(new THREE.TextureNode(getTexture("brick")));
bump.scale = new THREE.Vector2Node(-1.5, -1.5);
mtl.color = diffuse;
mtl.normal = bump;
// GUI
addGui('scaleX', bump.scale.x, function (val) {
bump.scale.x = val;
}, false, -2, 2);
addGui('scaleY', bump.scale.y, function (val) {
bump.scale.y = val;
}, false, -2, 2);
addGui('color', true, function (val) {
mtl.color = val ? diffuse : new THREE.ColorNode(0xEEEEEE);
mtl.build();
});
break;
case 'blur':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var diffuse = new THREE.TextureNode(getTexture("brick"));
var blur = new THREE.BlurNode(new THREE.TextureNode(getTexture("brick")));
mtl.color = blur;
// GUI
addGui('radiusX', blur.radius.x, function (val) {
blur.radius.x = val;
}, false, 0, 15);
addGui('radiusY', blur.radius.y, function (val) {
blur.radius.y = val;
}, false, 0, 15);
break;
case 'spherical-reflection':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
mtl.environment = new THREE.TextureNode(getTexture("spherical"), new THREE.ReflectNode(THREE.ReflectNode.SPHERE));
break;
case 'fresnel':
// MATERIAL
mtl = new THREE.PhongNodeMaterial();
var reflectance = new THREE.FloatNode(1.3);
var power = new THREE.FloatNode(1);
var color = new THREE.CubeTextureNode(cubemap);
var viewZ = new THREE.Math2Node(
new THREE.NormalNode(THREE.NormalNode.VIEW),
new THREE.Vector3Node(0, 0, -1),