shaders/route.fs

   1 uniform sampler2D uTexGarbage;
   2 uniform sampler2D uTexGradients;
   3 uniform vec3 uCamera;
   4 uniform vec4 uColour;
   5 uniform vec3 uBoard0;
   6 uniform vec3 uBoard1;
   7
   8 in vec4 aColour;
   9 in vec2 aUv;
  10 in vec3 aNorm;
  11 in vec3 aCo;
  12 in vec3 aWorldCo;
  13
  14 #include "common_world.glsl"
  15 #include "motion_vectors_fs.glsl"
  16
  17 void main()
  18 {
  19    compute_motion_vectors();
  20
  21    vec3 vfrag = vec3(0.5,0.5,0.5);
  22
  23    // ws modulation
  24    vec4 wgarbage = texture( uTexGarbage, aCo.xz * 0.015 );
  25
  26    // Creating normal patches
  27    vec3 modnorm = (wgarbage.rgb-0.4) * 1.4;
  28    vec3 qnorm = normalize(floor(aNorm*4.0+modnorm)*0.25) + vec3(0.001,0.0,0.0);
  29
  30    vec3 tangent0 = normalize(cross(qnorm,vec3(0.0,1.0,0.0)));
  31    vec3 tangent1 = cross(qnorm,tangent0);
  32    vec2 uvdiffuse = vec2( dot(tangent0,aCo), dot(tangent1,aCo) ) * 0.035;
  33
  34    // Patch local noise
  35    vec4 rgarbage = texture( uTexGarbage, uvdiffuse );
  36
  37    vfrag = pow(uColour.rgb,vec3(1.0/2.2));
  38    vfrag -= rgarbage.a*0.1;
  39
  40    if( wgarbage.g < 0.3 )
  41       discard;
  42
  43    if( g_light_preview == 1 )
  44    {
  45       vfrag = vec3(0.5);
  46    }
  47
  48    // Lighting
  49    vec3 halfview = uCamera - aWorldCo;
  50    float fdist = length( halfview );
  51    halfview /= fdist;
  52
  53    vfrag = do_light_diffuse( vfrag, qnorm );
  54    vfrag = do_light_spec( vfrag, qnorm, halfview, 0.1 );
  55    vfrag = do_light_shadowing( vfrag );
  56    vfrag = apply_fog( vfrag, fdist );
  57
  58    oColour = vec4(vfrag, 1.0 );
  59 }