gpuReactionDiffusion/index.html at master · Licini/gpuReactionDiffusion · GitHub

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<!DOCTYPE html>
<html lang="en">
	<head>
		<title>SphereReactionDiffusion_Li Chen_12/April/2016</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 {
				background-color: #1e1e1e;
				margin: 0;
				overflow: hidden;
			}

		</style>

	</head>
	<body>

		<!-- libraries from 3JS -->
		<script src="src/3JS/three.min.js"></script>
		<script src="src/3JS/Projector.js"></script>
		<script src="src/3JS/CanvasRenderer.js"></script>
		<script src="src/3JS/OBJLoader.js"></script>
		<script src="src/3JS/PLYLoader.js"></script>
		<script src="src/3JS/stats.min.js"></script>
		<script src="src/3JS/TrackballControls.js"></script>
		<script src="src/3JS/OrbitControls.js"></script>
		<script src="src/3JS/material.js"></script>
		<script src="src/3JS/TransformControls.js"></script>
		<script src="src/3JS/DragControls.js"></script>


		<!-- libraries from online resources -->
		<script src="src/Others/rainbowvis.js"></script>
		<script src="src/Others/dat.gui.min.js"></script>
		<script src="src/Others/three-text2d.min.js"></script>
		<script src="src/Others/jquery-1.12.2.min.js"></script>
		<script src="src/Others/jquery-ui.min.js"></script>

		<!-- libraries created by me here -->
		<script src="src/LI/Visualization.js"></script>
		<script src="src/LI/CreateObjects.js"></script>

		<script src="src/LI/colors.js"></script>
		<script src="src/LI/bufferGeometry.js"></script>
		<script src="src/LI/gpuComputing.js"></script>
		<script src="src/LI/environment.js"></script>
		<script src="src/LI/Menu.js"></script>

		<!-- main program -->
		<script src="main.js"></script>


		<!-- shader -->

		<script type="x-shader/x-vertex" id="vertexshader">
			uniform float amplitude;
			attribute float size;
			attribute vec3 customColor;
			varying vec3 vColor;
			void main() {
				vColor = customColor;
				vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
				gl_PointSize = 1.0 * ( 300.0 / -mvPosition.z );
				gl_Position = projectionMatrix * mvPosition;
			}
		</script>

		<script type="x-shader/x-fragment" id="fragmentshader">
			precision highp float;

			uniform vec3 color;
			uniform sampler2D texture;
			varying vec3 vColor;
			void main() {
				gl_FragColor = vec4( color * vColor, 1.0 );
				gl_FragColor = gl_FragColor * texture2D( texture, gl_PointCoord );
			}
		</script>

		<script type="x-shader/x-vertex" id="screenVS">


			 uniform sampler2D texture;
			 varying vec2 vUv;

   			 void main() {
       			 vUv = uv;

       			 float zUp = texture2D(texture, vUv).g*-50.0;

       			 vec4 pos = vec4(position,1.0) + vec4(normal,0) * zUp ;

       			 gl_Position =   projectionMatrix *
                        modelViewMatrix *
                        pos;
			 }
		</script>

		<script type="x-shader/x-fragment" id="screenFS">
			 uniform sampler2D texture;

   			 varying vec2 vUv;


   			    float r = texture2D(texture, vUv).r*0.5;
   			    float g = texture2D(texture, vUv).g*0.5;

				gl_FragColor = vec4(g-r,r-g,r-g,1.0);
				//gl_FragColor = texture2D(texture, vUv);

   			 }
		</script>


		<script type="x-shader/x-vertex" id="myvs">


			varying vec2 vUv;

   			 void main() {
       			 vUv = uv;

       			 gl_Position =   projectionMatrix *
                        modelViewMatrix *
                        vec4(position,1.0);
			 }


		</script>

		<script type="x-shader/x-fragment" id="myfs">


		     uniform sampler2D texture;
		     uniform float stepX;
		     uniform float stepY;
		     uniform sampler2D originMap;
		     uniform float Kill;
		     uniform float Feed;

   			 varying vec2 vUv;


   			 void main() {


        		vec2 uv = texture2D(texture, vUv).rg;

				vec2 uv0;
        		if( (vUv.r - stepX) <= 0.0) uv0 = texture2D(texture, vUv+vec2( 1.0-stepX, 0.0)).rg;
                else uv0 = texture2D(texture, vUv+vec2(-stepX, 0.0)).rg;

				vec2 uv1;
                if( (vUv.r + stepX) >= 1.0) uv1 = texture2D(texture,vUv+ vec2( stepX - 1.0, 0.0)).rg;
                else uv1 = texture2D(texture, vUv+vec2(stepX, 0.0)).rg;

                vec2 uv2 = texture2D(texture, vUv+vec2(0.0, -stepY)).rg;
                vec2 uv3 = texture2D(texture, vUv+vec2(0.0, stepY)).rg;

                vec2 lapl = (uv0 + uv1 + uv2 + uv3 - 4.0*uv);//10485.76;

                float deltaK = texture2D(originMap, vUv).g * 0.025;

                float du = 0.3*lapl.r - uv.r*uv.g*uv.g + Feed*(1.0 - uv.r);
                float dv = 0.07*lapl.g + uv.r*uv.g*uv.g - (Feed+Kill)*uv.g;

                vec2 dst = 0.7*vec2(du, dv);


				gl_FragColor = texture2D(texture, vUv);
                gl_FragColor = gl_FragColor+vec4(dst, 0, 1.0);


   			 }

		</script>

<script type="x-shader/x-vertex" id="phone">

	#define PHONG
	varying vec3 vLightFront;
	uniform sampler2D RDtexture;
	varying vec3 vViewPosition;
#ifndef FLAT_SHADED
	varying vec3 vNormal;
#endif
#define PI 3.14159
#define PI2 6.28318
#define RECIPROCAL_PI 0.31830988618
#define RECIPROCAL_PI2 0.15915494
#define LOG2 1.442695
#define EPSILON 1e-6
#define saturate(a) clamp( a, 0.0, 1.0 )
#define whiteCompliment(a) ( 1.0 - saturate( a ) )
float square( const in float x ) { return x*x; }
float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }
struct IncidentLight {
	vec3 color;
	vec3 direction;
	bool visible;
};
struct ReflectedLight {
	vec3 directDiffuse;
	vec3 directSpecular;
	vec3 indirectDiffuse;
	vec3 indirectSpecular;
};
struct GeometricContext {
	vec3 position;
	vec3 normal;
	vec3 viewDir;
};
vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
}
vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
}
vec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
	float distance = dot( planeNormal, point - pointOnPlane );
	return - distance * planeNormal + point;
}
float sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {
	return sign( dot( point - pointOnPlane, planeNormal ) );
}
vec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {
	return lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;
}
vec3 inputToLinear( in vec3 a ) {
	#ifdef GAMMA_INPUT
		return pow( a, vec3( float( GAMMA_FACTOR ) ) );
	#else
		return a;
	#endif
}
vec3 linearToOutput( in vec3 a ) {
	#ifdef GAMMA_OUTPUT
		return pow( a, vec3( 1.0 / float( GAMMA_FACTOR ) ) );
	#else
		return a;
	#endif
}

#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )
	varying vec2 vUv;
	uniform vec4 offsetRepeat;
#endif

#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
	attribute vec2 uv2;
	varying vec2 vUv2;
#endif
#ifdef USE_DISPLACEMENTMAP
	uniform sampler2D displacementMap;
	uniform float displacementScale;
	uniform float displacementBias;
#endif

#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP ) && ! defined( PHONG ) && ! defined( STANDARD )
	varying vec3 vReflect;
	uniform float refractionRatio;
#endif

#ifdef USE_ENVMAP
	varying vec3 vWorldPosition;
#endif

#ifdef USE_COLOR
	varying vec3 vColor;
#endif
#ifdef USE_MORPHTARGETS
	#ifndef USE_MORPHNORMALS
	uniform float morphTargetInfluences[ 8 ];
	#else
	uniform float morphTargetInfluences[ 4 ];
	#endif
#endif
#ifdef USE_SKINNING
	uniform mat4 bindMatrix;
	uniform mat4 bindMatrixInverse;
	#ifdef BONE_TEXTURE
		uniform sampler2D boneTexture;
		uniform int boneTextureWidth;
		uniform int boneTextureHeight;
		mat4 getBoneMatrix( const in float i ) {
			float j = i * 4.0;
			float x = mod( j, float( boneTextureWidth ) );
			float y = floor( j / float( boneTextureWidth ) );
			float dx = 1.0 / float( boneTextureWidth );
			float dy = 1.0 / float( boneTextureHeight );
			y = dy * ( y + 0.5 );
			vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );
			vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );
			vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );
			vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );
			mat4 bone = mat4( v1, v2, v3, v4 );
			return bone;
		}
	#else
		uniform mat4 boneGlobalMatrices[ MAX_BONES ];
		mat4 getBoneMatrix( const in float i ) {
			mat4 bone = boneGlobalMatrices[ int(i) ];
			return bone;
		}
	#endif
#endif

#ifdef USE_SHADOWMAP
	#if NUM_DIR_LIGHTS > 0
		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];
		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];
	#endif
	#if NUM_SPOT_LIGHTS > 0
		uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];
		varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];
	#endif
	#if NUM_POINT_LIGHTS > 0
		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];
		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];
	#endif
#endif

#ifdef USE_LOGDEPTHBUF
	#ifdef USE_LOGDEPTHBUF_EXT
		varying float vFragDepth;
	#endif
	uniform float logDepthBufFC;
#endif
void main() {

float zUp = texture2D(RDtexture, uv).g * -50.0;

vec3 newPos = position + normal * zUp;


#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )
	vUv = uv * offsetRepeat.zw + offsetRepeat.xy;
#endif
#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
	vUv2 = uv2;
#endif
#ifdef USE_COLOR
	vColor.xyz = color.xyz;
#endif

vec3 objectNormal = vec3( normal );

#ifdef USE_MORPHNORMALS
	objectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];
	objectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];
	objectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];
	objectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];
#endif

#ifdef USE_SKINNING
	mat4 boneMatX = getBoneMatrix( skinIndex.x );
	mat4 boneMatY = getBoneMatrix( skinIndex.y );
	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
	mat4 boneMatW = getBoneMatrix( skinIndex.w );
#endif
#ifdef USE_SKINNING
	mat4 skinMatrix = mat4( 0.0 );
	skinMatrix += skinWeight.x * boneMatX;
	skinMatrix += skinWeight.y * boneMatY;
	skinMatrix += skinWeight.z * boneMatZ;
	skinMatrix += skinWeight.w * boneMatW;
	skinMatrix  = bindMatrixInverse * skinMatrix * bindMatrix;
	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
#endif

#ifdef FLIP_SIDED
	objectNormal = -objectNormal;
#endif
vec3 transformedNormal = normalMatrix * objectNormal;

#ifndef FLAT_SHADED
	vNormal = normalize( transformedNormal );
#endif

vec3 transformed = vec3( newPos );

#ifdef USE_DISPLACEMENTMAP
	transformed += normal * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );
#endif

#ifdef USE_MORPHTARGETS
	transformed += ( morphTarget0 - newPos ) * morphTargetInfluences[ 0 ];
	transformed += ( morphTarget1 - newPos ) * morphTargetInfluences[ 1 ];
	transformed += ( morphTarget2 - newPos ) * morphTargetInfluences[ 2 ];
	transformed += ( morphTarget3 - newPos ) * morphTargetInfluences[ 3 ];
	#ifndef USE_MORPHNORMALS
	transformed += ( morphTarget4 - newPos ) * morphTargetInfluences[ 4 ];
	transformed += ( morphTarget5 - newPos ) * morphTargetInfluences[ 5 ];
	transformed += ( morphTarget6 - newPos ) * morphTargetInfluences[ 6 ];
	transformed += ( morphTarget7 - newPos ) * morphTargetInfluences[ 7 ];
	#endif
#endif

#ifdef USE_SKINNING
	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
	vec4 skinned = vec4( 0.0 );
	skinned += boneMatX * skinVertex * skinWeight.x;
	skinned += boneMatY * skinVertex * skinWeight.y;
	skinned += boneMatZ * skinVertex * skinWeight.z;
	skinned += boneMatW * skinVertex * skinWeight.w;
	skinned  = bindMatrixInverse * skinned;
#endif

#ifdef USE_SKINNING
	vec4 mvPosition = modelViewMatrix * skinned;
#else
	vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );
#endif
gl_Position = projectionMatrix * mvPosition;

#ifdef USE_LOGDEPTHBUF
	gl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;
	#ifdef USE_LOGDEPTHBUF_EXT
		vFragDepth = 1.0 + gl_Position.w;
	#else
		gl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;
	#endif
#endif

	vViewPosition = - mvPosition.xyz;
#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( STANDARD ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )
	#ifdef USE_SKINNING
		vec4 worldPosition = modelMatrix * skinned;
	#else
		vec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );
	#endif
#endif

#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP ) && ! defined( PHONG ) && ! defined( STANDARD )
	vec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
	vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
	#ifdef ENVMAP_MODE_REFLECTION
		vReflect = reflect( cameraToVertex, worldNormal );
	#else
		vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
	#endif
#endif

#ifdef USE_ENVMAP
	vWorldPosition = worldPosition.xyz;
#endif

#ifdef USE_SHADOWMAP
	#if NUM_DIR_LIGHTS > 0
	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
		vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;
	}
	#endif
	#if NUM_SPOT_LIGHTS > 0
	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
		vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;
	}
	#endif
	#if NUM_POINT_LIGHTS > 0
	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
		vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;
	}
	#endif
#endif

}


</script>

		<div  id = 'menu' style="visibility: hidden; position: absolute; left: 500px; top: 500px; width: 500px; background-color: aqua">
			<div class="myContent">content</div>
			<div class="myContent">content</div>
			<div class="myContent">content</div>

		</div>

		<script>

			createLocalMenu();

			init();
			animate();


		</script>
	</body>
</html>