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<!DOCTYPE html>
<html lang="en">
<head>
<title>Guilty Gear Xrd Shading by @galloscript</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
<script type="x-shader/x-vertex" id="celshading_vs">
precision highp float;
varying vec3 vNormal;
varying vec3 vWorldNormal;
varying vec2 vUv;
varying vec3 vColor;
varying vec3 vPos;
#include <skinning_pars_vertex>
uniform int uRenderMode;
uniform vec2 uResolution;
uniform bool uInvertUV_Y;
uniform bool uDisplayUVLayout;
#define rm_outline_backface 3
void main()
{
vNormal = normal;
vUv = (uInvertUV_Y) ? vec2(uv.x, 1.0 - uv.y) : uv;
vColor = color;
#include <skinbase_vertex>
#include <begin_vertex>
#include <skinning_vertex>
vPos = (modelViewMatrix * vec4( transformed, 1.0 )).xyz;
vWorldNormal = normalize(mat3(modelViewMatrix) * normal);
gl_Position = projectionMatrix * modelViewMatrix * vec4( transformed, 1.0 );
if(uDisplayUVLayout)
{
vec2 lUvOut = fract(vUv.xy) * vec2(1.0, uResolution.x / uResolution.y);
lUvOut = (!uInvertUV_Y) ? vec2(lUvOut.x, 1.0 - lUvOut.y) : lUvOut;
gl_Position = vec4((lUvOut - vec2(1.0, (uInvertUV_Y) ? 1.0 : 0.0)) * 5.0, 1.0, 5.0);
}
else if(uRenderMode == rm_outline_backface)
{
gl_Position = vec4(0., 0., 0., 0.);
}
}
</script>
<script type="x-shader/x-fragment" id="celshading_fs">
precision highp float;
varying vec3 vNormal;
varying vec3 vWorldNormal;
varying vec2 vUv;
varying vec3 vColor;
varying vec3 vPos;
uniform mat4 modelViewMatrix;
uniform sampler2D uBaseColor;
uniform sampler2D uDecal;
uniform sampler2D uILM;
uniform sampler2D uSSS;
uniform vec2 uResolution;
uniform int uRenderMode;
uniform float uLightRot;
#define rm_ggxrd_shading 0
#define rm_cel_shading 1
#define rm_outline 2
#define rm_outline_backface 3
#define rm_color 4
#define rm_sss 5
#define rm_ilm 6
#define rm_ilm_red 7
#define rm_ilm_green 8
#define rm_ilm_blue 9
#define rm_ilm_alpha 10
#define rm_vertex_color 11
#define rm_uvs 12
void main()
{
vec2 st = gl_FragCoord.xy / uResolution.xy;
//create omnidirectional light direction from the rotation property
float lightRad = (0.125 + uLightRot) * 3.1416 * 2.0;
vec2 lightPos = vec2(cos(lightRad), sin(lightRad));
vec3 lightDir = normalize(vec3( lightPos.x * 30.0, 6.0, lightPos.y * 30.0) );
float lightValue = (dot( vWorldNormal, lightDir ) + 1.0) * 0.5;
lightValue = clamp(lightValue, 0.0, 1.0);
vec4 base = texture2D( uBaseColor, vUv );
vec4 decal = texture2D( uDecal, vUv );
vec4 ilm = texture2D( uILM, vUv );
vec4 sss = texture2D( uSSS, vUv );
float threshold = 0.5;
//shadow bias
threshold = 1.0 - (ilm.g * vColor.r);
//base color
vec3 baseColor = base.rgb;
//sadow color
vec3 shadowColor = baseColor * sss.rgb;
//cel shading
vec3 celShadingColor = (lightValue > threshold) ? baseColor : shadowColor;
//specular & darken areas
vec3 specularDarkenColor = mix( ilm.rrr, celShadingColor, 0.5);
//self shadow threshold check
vec3 finalColor = ((1.0 - lightValue) < ilm.b) ? specularDarkenColor : celShadingColor;
//internal outline
//finalColor *= ilm.a;
//finalColor = celShadingColor;
float outline = (ilm.a < 0.9) ? 0.0 : 1.0;
gl_FragColor = vec4(finalColor * outline, outline);
if(uRenderMode == rm_cel_shading)
{
gl_FragColor = vec4((lightValue < 0.5) ? baseColor * 0.4 : baseColor, 1.0);
}
else if(uRenderMode == rm_outline)
{
gl_FragColor = vec4(0.9, 0.9, 0.9, 1.0);
}
else if(uRenderMode == rm_outline_backface)
{
gl_FragColor = vec4(0.9, 0.9, 0.9, 0.0);
}
else if(uRenderMode == rm_color)
{
gl_FragColor = vec4(baseColor, 1.0);
}
else if(uRenderMode == rm_sss)
{
gl_FragColor = vec4(sss.rgb, 1.0);
}
else if(uRenderMode == rm_ilm)
{
gl_FragColor = vec4(ilm.rgb, 1.0);
}
else if(uRenderMode == rm_ilm_red)
{
gl_FragColor = vec4(ilm.rrr, 1.0);
}
else if(uRenderMode == rm_ilm_green)
{
gl_FragColor = vec4(ilm.ggg, 1.0);
}
else if(uRenderMode == rm_ilm_blue)
{
gl_FragColor = vec4(ilm.bbb, 1.0);
}
else if(uRenderMode == rm_ilm_alpha)
{
gl_FragColor = vec4(ilm.aaa, 1.0);
}
else if(uRenderMode == rm_vertex_color)
{
gl_FragColor = vec4(vColor, 1.0);
}
else if(uRenderMode == rm_uvs)
{
gl_FragColor = vec4(vec3(vUv.xy, 0.5), 1.0);
}
}
</script>
<script type="x-shader/x-vertex" id="outline_vs">
varying vec3 vNormal;
varying vec2 vUv;
varying vec3 vColor;
#include <skinning_pars_vertex>
uniform float uThickness;
uniform float uZOffset;
uniform float uVariation;
uniform bool uInvertUV_Y;
vec2 hash( vec2 p )
{ // rand in [-1,1]
p = vec2( dot(p,vec2(127.1,311.7)),
dot(p,vec2(269.5,183.3)) );
return -1. + 2.*fract(sin(p+20.)*53758.5453123);
}
void main() {
vNormal = normal;
vUv = (uInvertUV_Y) ? vec2(uv.x, 1.0 - uv.y) : uv;
vColor = color;
#include <skinbase_vertex>
//#include <begin_vertex>
vec2 variation = min(hash(position.xy * position.yz) * 0.5 + 0.5, 1.5);
vec3 transformed = position + uThickness * mix(1.0, variation.x, uVariation) * normal ;
#include <skinning_vertex>
gl_Position = projectionMatrix * modelViewMatrix * vec4( transformed, 1.0 );
//Apply z-offset
//gl_Position.z += 0.00002;
gl_Position.z += uZOffset;
}
</script>
<script type="x-shader/x-fragment" id="outline_fs">
varying vec3 vNormal;
varying vec2 vUv;
varying vec3 vColor;
uniform sampler2D uBaseColor;
uniform sampler2D uSSS;
void main() {
vec4 base = texture2D( uBaseColor, vUv );
vec4 sss = texture2D( uSSS, vUv );
gl_FragColor = vec4(base.rgb * sss.rgb * 0.25, 0.0);
}
</script>
<script type="x-shader/x-fragment" id="diffuse_fillter_vs">
varying vec2 vUv;
void main() {
vUv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}
</script>
<script type="x-shader/x-fragment" id="diffuse_fillter_fs">
varying vec2 vUv;
uniform sampler2D tDiffuse;
uniform vec2 uResolution;
uniform float uPower;
vec3 toneMapping(vec3 hdrColor, float exposure, float gamma)
{
// Exposure tone mapping
vec3 mapped = vec3(1.0) - exp(-hdrColor * exposure);
// Gamma correction
mapped = pow(abs(mapped), vec3(1.0 / gamma));
return mapped;
}
float normpdf(in float x, in float sigma)
{
return 0.39894*exp(-0.5*x*x/(sigma*sigma))/sigma;
}
void main() {
//vec4 diffuse = texture2D( tDiffuse, vUv );
//gl_FragColor = vec4(diffuse.rgb * vec3(1.0, 0.5, 0.0), 1.0);
vec4 sourceColor = texture2D(tDiffuse, vUv);
vec3 c = texture2D(tDiffuse, vUv).rgb;
float oultine = sourceColor.a;
//declare stuff
const int mSize = 15;
const int kSize = (mSize-1)/2;
float kernel[mSize];
vec3 final_colour = vec3(0.0);
//create the 1-D kernel
float sigma = 7.0;
float Z = 0.0;
for (int j = 0; j <= kSize; ++j)
{
kernel[kSize+j] = kernel[kSize-j] = normpdf(float(j), sigma);
}
//get the normalization factor (as the gaussian has been clamped)
for (int j = 0; j < mSize; ++j)
{
Z += kernel[j];
}
//read out the texels
for (int i=-kSize; i <= kSize; ++i)
{
for (int j=-kSize; j <= kSize; ++j)
{
vec2 texCoord = vUv + (vec2(float(i),float(j)) / uResolution.xy);
final_colour += kernel[kSize+j]*
kernel[kSize+i]*
texture2D(tDiffuse, texCoord).rgb;
}
}
final_colour = max(c, final_colour/(Z*Z));
//diffuse filter has less effect in the outline (outline and ilm.a)
float outlineAttenuation = mix(uPower * 0.55, uPower, oultine);
final_colour = mix(c, final_colour, outlineAttenuation);
final_colour = toneMapping(final_colour, 3.0, 0.32);
gl_FragColor = vec4(final_colour, 1.0);
}
</script>
</head>
<body>
<div id="info">
<div id="description">Guilty Gear Xrd Shading by <a href="https://twitter.com/galloscript">@galloscript</a></div>
<div id="source_github"><a href="https://github.com/galloscript/GGXrdShading"> Source on GitHub </a></div>
</div>
<div id="container"></div>
<script type="text/javascript" src="./js/three.min.js"> </script>
<script type="text/javascript" src="./js/dat.gui.min.js"></script>
<script type="text/javascript" src="./js/OrbitControls.js"></script>
<script type="text/javascript" src="./js/GLTFLoader.js"></script>
<script type="text/javascript" src="./js/DDSLoader.js"></script>
<script type="text/javascript" src="./js/DRACOLoader.js"></script>
<script type="text/javascript" src="./js/RGBELoader.js"></script>
<script type="text/javascript" src="./js/TGALoader.js"></script>
<script type="text/javascript" src="./js/CopyShader.js"></script>
<script type="text/javascript" src="./js/EffectComposer.js"></script>
<script type="text/javascript" src="./js/RenderPass.js"></script>
<script type="text/javascript" src="./js/ShaderPass.js"></script>
<script type="text/javascript" src="./js/FXAAShader.js"></script>
<script type="text/javascript">
var orbitControls;
var container, camera, scene, renderer, loader;
var gltf, mixer, gui;
var composer, renderPass, diffuseFilterPass, fxaaPass;
var toonMaterial, outlineMaterial;
var clock = new THREE.Clock();
var textures = {};
var scenes = {
'May': {
name: 'May',
url: './May/Mesh/May_GLTF.glb',
author: '@galloscript',
authorURL: '',
cameraPos: new THREE.Vector3( 0, 15, 25 ),
objectScale: new THREE.Vector3( 0.1, 0.1, 0.1 ),
objectPosition: new THREE.Vector3( 0, 0, 0 ),
objectRotation: new THREE.Euler( 0, 0, 0 ),
center: new THREE.Vector3( 0, 8, 0 ),
useCustomMaterial: true,
extensions: [ 'glTF' ]
},
};
var renderModes = [
'ggxrd_shading',
'cel_shading',
'outline',
'outline_backface',
'color',
'sss',
'ilm',
'ilm_red',
'ilm_green',
'ilm_blue',
'ilm_alpha',
'vertex_color',
'UVs'
];
var state = {
scene: Object.keys( scenes )[ 0 ],
extension: scenes[ Object.keys( scenes )[ 0 ] ].extensions[ 0 ],
playAnimation: true,
renderMode: renderModes[0],
outlineThickness: 0.54,
outlineZOffset: 0.000024,
outlineVariation: 0.8,
diffuseFilterPower: 0.71,
fxaa: true
};
var browserInvertsUVs = //(navigator.vendor != undefined && navigator.vendor.indexOf('Apple') > -1) ||
(navigator.userAgent != undefined && (navigator.userAgent.indexOf("Edge") > -1) ||
(navigator.userAgent.indexOf("Firefox") > -1) ||
(navigator.userAgent.indexOf("CriOS") > -1) ||
(navigator.userAgent.indexOf("FxiOS") > -1)) ;
//var browserInvertsUVs = false;
function onload()
{
container = document.getElementById( 'container' );
//var canvas = document.createElement( 'canvas' );
//var context = canvas.getContext( 'webgl2', { alpha: false } );
//var renderer = new THREE.WebGLRenderer( { canvas: canvas, context: context } );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.outputEncoding = THREE.sRGBEncoding;
renderer.physicallyCorrectLights = true;
container.appendChild( renderer.domElement );
composer = new THREE.EffectComposer( renderer );
window.addEventListener( 'resize', onWindowResize, false );
// instantiate a loader
var lTgaLoader = new THREE.TGALoader();
// load a resource
textures.base = lTgaLoader.load('May/Textures/MAY_base.tga');
textures.decal = lTgaLoader.load('May/Textures/MAY_decal.tga');
textures.ilm = lTgaLoader.load('May/Textures/MAY_ilm.tga');
textures.sss = lTgaLoader.load('May/Textures/MAY_Sss.tga');
for(var t in textures)
{
textures[t].wrapS = THREE.RepeatWrapping;
textures[t].wrapT = THREE.RepeatWrapping;
textures[t].magFilter = THREE.LinearFilter;
textures[t].minFilter = THREE.LinearFilter;
}
toonMaterial = new THREE.ShaderMaterial( {
uniforms: {
time: { value: 1.0 },
uResolution: { value: new THREE.Vector2(window.innerWidth, window.innerHeight) },
uBaseColor : { type: "t", value: textures.base },
uDecal : { type: "t", value: textures.decal },
uILM : { type: "t", value: textures.ilm },
uSSS : { type: "t", value: textures.sss },
uRenderMode : { value: 0 },
uInvertUV_Y : { value: browserInvertsUVs },
uDisplayUVLayout : { value: false },
uLightRot : { value: 0.01 }
},
vertexColors: THREE.VertexColors,
skinning: true,
vertexShader: document.getElementById( 'celshading_vs' ).textContent,
fragmentShader: document.getElementById( 'celshading_fs' ).textContent
} );
//outline
outlineMaterial = new THREE.ShaderMaterial( {
uniforms: {
uThickness: { value: state.outlineThickness },
uZOffset: { value: state.outlineZOffset },
uVariation: { value: state.outlineVariation },
uBaseColor : { type: "t", value: textures.base },
uDecal : { type: "t", value: textures.decal },
uILM : { type: "t", value: textures.ilm },
uSSS : { type: "t", value: textures.sss },
uInvertUV_Y : { value: browserInvertsUVs }
},
vertexColors: THREE.VertexColors,
skinning: true,
side: THREE.BackSide,
vertexShader: document.getElementById( 'outline_vs' ).textContent,
fragmentShader: document.getElementById( 'outline_fs' ).textContent
} );
diffuseFilterPass = new THREE.ShaderPass({
uniforms: {
tDiffuse: { value: null },
uResolution: { value: new THREE.Vector2(window.innerWidth, window.innerHeight) },
uPower: { value: state.diffuseFilterPower }
},
vertexShader: document.getElementById( 'diffuse_fillter_vs' ).textContent,
fragmentShader: document.getElementById( 'diffuse_fillter_fs' ).textContent
});
initScene( scenes[ state.scene ] );
renderPass = new THREE.RenderPass( scene, camera );
composer.addPass( renderPass );
composer.addPass( diffuseFilterPass );
fxaaPass = new THREE.ShaderPass( THREE.FXAAShader );
var pixelRatio = renderer.getPixelRatio();
fxaaPass.material.uniforms[ 'resolution' ].value.x = 1 / ( container.offsetWidth * pixelRatio );
fxaaPass.material.uniforms[ 'resolution' ].value.y = 1 / ( container.offsetHeight * pixelRatio );
composer.addPass( fxaaPass );
buildGUI();
animate();
}
function initScene( sceneInfo ) {
var descriptionEl = document.getElementById( 'description' );
if ( sceneInfo.author && sceneInfo.authorURL ) {
descriptionEl.innerHTML = sceneInfo.name + ' by <a href="' + sceneInfo.authorURL + '" target="_blank" rel="noopener">' + sceneInfo.author + '</a>';
}
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x505050 );
camera = new THREE.PerspectiveCamera( 45, container.offsetWidth / container.offsetHeight, 0.001, 1000 );
scene.add( camera );
orbitControls = new THREE.OrbitControls( camera, renderer.domElement );
loader = new THREE.GLTFLoader();
var dracoLoader = new THREE.DRACOLoader();
dracoLoader.setDecoderPath( 'js/libs/draco/gltf/' );
loader.setDRACOLoader( dracoLoader );
loader.setDDSLoader( new THREE.DDSLoader() );
var url = sceneInfo.url.replace( /%s/g, state.extension );
if ( state.extension === 'glTF-Binary' ) {
url = url.replace( '.gltf', '.glb' );
}
var loadStartTime = performance.now();
loader.load( url, function ( data ) {
console.log(data);
gltf = data;
var object = gltf.scene;
console.info( 'Load time: ' + ( performance.now() - loadStartTime ).toFixed( 2 ) + ' ms.' );
if ( sceneInfo.cameraPos ) {
camera.position.copy( sceneInfo.cameraPos );
}
if ( sceneInfo.center ) {
orbitControls.target.copy( sceneInfo.center );
}
if ( sceneInfo.objectPosition ) {
object.position.copy( sceneInfo.objectPosition );
}
if ( sceneInfo.objectRotation ) {
object.rotation.copy( sceneInfo.objectRotation );
}
if ( sceneInfo.objectScale ) {
object.scale.copy( sceneInfo.objectScale );
}
if ( sceneInfo.addEnvMap ) {
object.traverse( function ( node ) {
if ( node.material && ( node.material.isMeshStandardMaterial ||
( node.material.isShaderMaterial && node.material.envMap !== undefined ) ) ) {
node.material.envMap = envMap;
node.material.envMapIntensity = 1.5; // boombox seems too dark otherwise
}
} );
scene.background = background;
}
if ( sceneInfo.useCustomMaterial ) {
//TOOD: apply cel shading material here
object.traverse( function ( node )
{
if ( node.material )
{
node.material = toonMaterial;
}
});
}
object.traverse( function ( node ) {
if ( node.isMesh || node.isLight ) node.castShadow = true;
} );
var animations = gltf.animations;
if ( animations && animations.length ) {
mixer = new THREE.AnimationMixer( object );
for ( var i = 0; i < animations.length; i ++ ) {
var animation = animations[ i ];
// There's .3333 seconds junk at the tail of the Monster animation that
// keeps it from looping cleanly. Clip it at 3 seconds
if ( sceneInfo.animationTime ) {
animation.duration = sceneInfo.animationTime;
}
var action = mixer.clipAction( animation );
if ( state.playAnimation ) action.play();
}
}
var newNodes = [];
object.traverse( function ( node )
{
if ( node.material )
{
var newNode = node.clone();
newNode.skeleton = node.skeleton;
newNode.material = outlineMaterial;
newNodes.push(newNode);
}
});
for(var n in newNodes)
{
object.add(newNodes[n]);
}
console.log(object);
scene.add( object );
onWindowResize();
}, undefined, function ( error ) {
console.error( error );
} );
}
function onWindowResize() {
//camera.aspect = container.offsetWidth / container.offsetHeight;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
if(toonMaterial)
{
toonMaterial.uniforms.uResolution.value.x = window.innerWidth;
toonMaterial.uniforms.uResolution.value.y = window.innerHeight;
}
if(diffuseFilterPass)
{
diffuseFilterPass.uniforms.uResolution.value.x = window.innerWidth;
diffuseFilterPass.uniforms.uResolution.value.y = window.innerHeight;
}
var pixelRatio = renderer.getPixelRatio();
fxaaPass.material.uniforms[ 'resolution' ].value.x = 1 / ( window.innerWidth * pixelRatio );
fxaaPass.material.uniforms[ 'resolution' ].value.y = 1 / ( window.innerHeight * pixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
if ( mixer ) mixer.update( clock.getDelta() );
orbitControls.update();
render();
}
function render() {
//renderer.render( scene, camera );
composer.render( scene, camera );
}
function buildGUI() {
gui = new dat.GUI( { width: 330 } );
gui.domElement.parentElement.style.zIndex = 101;
//var sceneCtrl = gui.add( state, 'scene', Object.keys( scenes ) );
//sceneCtrl.onChange( reload );
var animCtrl = gui.add( state, 'playAnimation' );
animCtrl.onChange( toggleAnimations );
gui.add( outlineMaterial.uniforms.uThickness, 'value', 0.0, 3.0 ).name('Outline Thickness').listen();
gui.add( outlineMaterial.uniforms.uZOffset, 'value', 0.0, 0.0001 ).name('Outline Z-Offset').listen();
gui.add( outlineMaterial.uniforms.uVariation, 'value', 0.0, 1.0 ).name('Outline Variation').listen();
gui.add( diffuseFilterPass.uniforms.uPower, 'value' , 0.0, 1.0 ).name('Diffuse Filter').listen();
gui.add( toonMaterial.uniforms.uDisplayUVLayout, 'value', false ).name('UV Layout').listen();
gui.add( toonMaterial.uniforms.uLightRot, 'value' , 0.0, 1.0 ).name('Light Rot').listen();
var modeCtrl = gui.add( state, 'renderMode', renderModes ).name('Mode');
modeCtrl.onChange( renderModeUpdated );
//updateGUI();
}
function renderModeUpdated(){
//var renderModeIndex = renderModes.indexOf(state.renderMode);
toonMaterial.uniforms.uRenderMode.value = renderModes.indexOf(state.renderMode);
}
function toggleAnimations() {
for ( var i = 0; i < gltf.animations.length; i ++ ) {
var clip = gltf.animations[ i ];
var action = mixer.existingAction( clip );
state.playAnimation ? action.play() : action.stop();
}
}
onload();
</script>
</body>
</html>