feat: unified interface

1 files changed, 3 insertions, 6 deletions

diff --git a/assets/shaders/geodesic.slang b/assets/shaders/geodesic.slang
index a1b0f46..111c9b8 100644
--- a/assets/shaders/geodesic.slang
+++ b/assets/shaders/geodesic.slang
@@ -30,6 +30,7 @@ struct Disk
     float disk_num;
     float thickness;
     float disk_density;
+    float temperature;
 };
 ConstantBuffer<Disk> disk;
 
@@ -68,9 +69,6 @@ static const float DEFAULT_EARLY_EXIT_DISTANCE = 2e12;
 static const float MIN_STEP_SIZE = 1e6;
 static const float MAX_STEP_SIZE = 2e10;
 
-static const float T_PEAK        = 4800.0;
-static const float DISK_EXPOSURE = 0.9;
-
 struct Hit
 {
     float4 objectColor;
@@ -147,7 +145,7 @@ float3 DiskEmission(float3 P, float3 rayDir)
     float xr   = rc / rin;
     float flux = max((1.0 - sqrt(1.0 / xr)) / (xr * xr * xr), 0.0);
     float Tn   = pow(flux / FLUX_PEAK, 0.25);
-    float Temit = T_PEAK * Tn;
+    float Temit = disk.temperature * Tn;
 
     float3 rhat   = normalize(float3(P.x, 0.0, P.z));
     float3 phiHat = normalize(cross(float3(0.0, 1.0, 0.0), rhat));
@@ -174,8 +172,7 @@ float3 DiskEmission(float3 P, float3 rayDir)
         bright *= max(turb, 0.0);
     }
 
-    float exposure = DISK_EXPOSURE * max(disk.disk_density, 0.0) * 10.0;
-    return colour * bright * exposure;
+    return colour * bright * max(disk.disk_density, 0.0);
 }
 
 struct Ray