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@ -11,7 +11,7 @@ varying vec3 vPos;// -1 < vPos.x < +1
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float fl=3.;
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float fl=3.;
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const float pi=3.14159265359;
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const float pi=3.14159265359;
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const int n_ref=1;
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const int n_ref=2;
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const int ns=2;
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const int ns=2;
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vec4 Sph[ns];
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vec4 Sph[ns];
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uniform sampler2D uSampler[ns];
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uniform sampler2D uSampler[ns];
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@ -51,13 +51,13 @@ void main(){
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// SURFACE REFLECTANCE PROPERTIES
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// SURFACE REFLECTANCE PROPERTIES
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Ambient[0]=vec3(.1,.05,.05);// r,g,b
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Ambient[1]=vec3(.1,.05,.05);// r,g,b
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Diffuse[0]=vec3(1.,.5,.5);// r,g,b
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Diffuse[1]=vec3(1.,.5,.5);// r,g,b
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Specular[0]=vec4(1.,.5,.5,10.);// r,g,b,power
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Specular[1]=vec4(1.,.5,.5,10.);// r,g,b,power
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Ambient[1]=vec3(.05,.05,.1);// r,g,b
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Ambient[0]=vec3(.05,.05,.1);// r,g,b
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Diffuse[1]=vec3(.5,.5,1.);// r,g,b
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Diffuse[0]=vec3(.5,.5,1.);// r,g,b
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Specular[1]=vec4(1.,.5,.5,20.);// r,g,b,power
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Specular[0]=vec4(1.,.5,.5,20.);// r,g,b,power
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// INITIALIZE TO A BACKGROUND COLOR
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// INITIALIZE TO A BACKGROUND COLOR
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@ -121,12 +121,11 @@ void main(){
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Ambient[i]
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Ambient[i]
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+Diffuse[i]*max(0.,dot(N,realLDir))*LCol
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+Diffuse[i]*max(0.,dot(N,realLDir))*LCol
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)*texture_color
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)*texture_color
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;
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;
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// + SPECULAR COMPONENT GOES HERE
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// + SPECULAR COMPONENT GOES HERE
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if(rtxoff || j == n_ref - 1)
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if(rtxoff || j == n_ref - 1)
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color += Specular[i].xyz*pow(max(0.,dot(2.*dot(N,realLDir)*N-realLDir,-W)),Specular[i].w);
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color += float(j) * Specular[i].xyz*pow(max(0.,dot(2.*dot(N,realLDir)*N-realLDir,-W)),Specular[i].w);
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stack[j] = RT(color, 0.05);
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stack[j] = RT(color, 0.15);
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V = S;
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V = S;
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W = -normalize(2. * dot(N, W) * N - W);
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W = -normalize(2. * dot(N, W) * N - W);
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break;
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break;
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@ -137,10 +136,12 @@ void main(){
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// IS INSIDE THE BOUNDING BOX [(-1,-1,-1), (1,1,1)]
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// IS INSIDE THE BOUNDING BOX [(-1,-1,-1), (1,1,1)]
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// AND THERE'S A INFINITE FLOOR [y = -1]
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// AND THERE'S A INFINITE FLOOR [y = -1]
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float t = -(1.+V.y)/W.y;
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float t = -(.2+V.y)/W.y;
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if(t >= 0.)
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float sx = V.x + t* W.x, sz = V.z + t * W.z;
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if(t >= 0.&&abs(sx)<1.5 && abs(sz+.6)<3.)
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{
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{
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vec3 S = vec3(V.x + t*W.x, -1, V.z + t*W.z);
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vec3 S = vec3(sx, -.2, sz);
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vec3 realLDir=normalize(LDir - S);
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vec3 realLDir=normalize(LDir - S);
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color=(
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color=(
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0.5
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0.5
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@ -149,16 +150,21 @@ void main(){
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;
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;
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// + SPECULAR COMPONENT GOES HERE
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// + SPECULAR COMPONENT GOES HERE
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if(rtxoff || j == n_ref - 1)
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if(rtxoff || j == n_ref - 1)
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color += groundSpecular.xyz*
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color += float(j)*groundSpecular.xyz*
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pow(max(0., dot(vec3(-realLDir.x, realLDir.y,-realLDir.z),-W)),groundSpecular.w);
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pow(max(0., dot(vec3(-realLDir.x, realLDir.y,-realLDir.z),-W)),groundSpecular.w);
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stack[j] = RT(color, 0.1);
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stack[j] = RT(color, 0.1);
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V = S;
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V = S;
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W = vec3(-W.x, W.y, -W.z);
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W = vec3(W.x, -W.y, W.z);
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}
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}
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else{
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else{
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if(j > 0)
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if(j > 0)
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stack[j] = RT(vec3(1.,1.,1.)*pow(max(0.,dot(-W, normalize(LDir - V))), 10.), 1.);
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{
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cnt_ref = j;// + 1;
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stack[j] = RT(vec3(12.,12.,12.)*pow(max(0.,dot(W, normalize(LDir - V))), 10.), 0.);
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cnt_ref = j + 1;
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}
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else
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cnt_ref = j;
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break;
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break;
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}
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}
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}
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}
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bill
4 years ago
