#define STANDARD #define USE_CLEARCOAT #define USE_UV #ifdef PHYSICAL #define IOR #define SPECULAR #endif varying vec2 vUvOverlapped; varying vec2 vUvPacked; uniform vec3 diffuse; uniform vec3 emissive; uniform float roughness; uniform float metalness; uniform float opacity; uniform float hiddenness; uniform sampler2D u_numberMap; uniform vec3 number; uniform float dissolve; #ifdef IOR uniform float ior; #endif #ifdef SPECULAR uniform float specularIntensity; uniform vec3 specularColor; #ifdef USE_SPECULARINTENSITYMAP uniform sampler2D specularIntensityMap; #endif #ifdef USE_SPECULARCOLORMAP uniform sampler2D specularColorMap; #endif #endif #ifdef USE_CLEARCOAT uniform float clearcoat; uniform float clearcoatRoughness; #endif #ifdef USE_SHEEN uniform vec3 sheenColor; uniform float sheenRoughness; #ifdef USE_SHEENCOLORMAP uniform sampler2D sheenColorMap; #endif #ifdef USE_SHEENROUGHNESSMAP uniform sampler2D sheenRoughnessMap; #endif #endif varying vec3 vViewPosition; #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // clipped from bumpmap_pars_fragment #ifdef USE_BUMPMAP uniform sampler2D bumpMap; uniform float bumpScale; // Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen // https://mmikk.github.io/papers3d/mm_sfgrad_bump.pdf // Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2) vec2 dHdxy_fwd() { // apply hiddeness to bump map float u_bumpScale = bumpScale * (1.0 - hiddenness); vec2 dSTdx = dFdx( vUv ); vec2 dSTdy = dFdy( vUv ); float Hll = u_bumpScale * texture2D( bumpMap, vUv ).x; float dBx = u_bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll; float dBy = u_bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll; return vec2( dBx, dBy ); } vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { // Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988 vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) ); vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) ); vec3 vN = surf_norm; // normalized vec3 R1 = cross( vSigmaY, vN ); vec3 R2 = cross( vN, vSigmaX ); float fDet = dot( vSigmaX, R1 ) * faceDirection; vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); return normalize( abs( fDet ) * surf_norm - vGrad ); } #endif #include #include #include #include #include #include float rand2(vec2 c){ return fract(sin(dot(c.xy ,vec2(12.9898,78.233))) * 43758.5453); } float noise(vec2 p, float freq ){ float unit = 128./freq; vec2 ij = floor(p/unit); vec2 xy = mod(p,unit)/unit; //xy = 3.*xy*xy-2.*xy*xy*xy; xy = .5*(1.-cos(3.1415*xy)); float a = rand2((ij+vec2(0.,0.))); float b = rand2((ij+vec2(1.,0.))); float c = rand2((ij+vec2(0.,1.))); float d = rand2((ij+vec2(1.,1.))); float x1 = mix(a, b, xy.x); float x2 = mix(c, d, xy.x); return mix(x1, x2, xy.y); } float pNoise(vec2 p, int res){ float persistance = .5; float n = 0.; float normK = 0.; float f = 4.; float amp = 2.; int iCount = 0; for (int i = 0; i<50; i++){ n+=amp*noise(p, f); f*=2.; normK+=amp; amp*=persistance; if (iCount == res) break; iCount++; } float nf = n/normK; return nf*nf*nf*nf; } void main(){ if( clamp(pNoise( gl_FragCoord.xy, 1), 0.0, 1.0 ) > 1.0-dissolve ) discard; #include vec4 diffuseColor = vec4( diffuse, opacity ); ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include #include vec4 u_numberMapIn = texture2D( u_numberMap, vUv ); // adjust color of numbers u_numberMapIn.rgb *= number; // overlay number map and apply hiddeness diffuseColor.rgb = mix(diffuseColor.rgb, u_numberMapIn.rgb, u_numberMapIn.a * (1.0 -hiddenness)); #include #include #include #include // clipped from metalness_fragment float metalnessFactor = metalness; #ifdef USE_METALNESSMAP vec4 texelMetalness = texture2D( metalnessMap, vUv ); // reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture metalnessFactor *= clamp(texelMetalness.b, hiddenness, 1.0); #endif #include #include #include #include #include // accumulation #include #include #include #include // modulation #include vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse; vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular; #include vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance; #ifdef USE_SHEEN // Sheen energy compensation approximation calculation can be found at the end of // https://drive.google.com/file/d/1T0D1VSyR4AllqIJTQAraEIzjlb5h4FKH/view?usp=sharing float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor ); outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular; #endif #ifdef USE_CLEARCOAT float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) ); vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc ); outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat; #endif #include #include #include #include #include #include }

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