diff options
| author | yum <yum.food.vr@gmail.com> | 2025-12-03 15:38:16 -0800 |
|---|---|---|
| committer | yum <yum.food.vr@gmail.com> | 2025-12-03 15:38:16 -0800 |
| commit | e8f64516cfd27bb0b6ec1bb866909300185a7507 (patch) | |
| tree | 814a3720c5c659cdba1143f45c048dbc0ed777f8 | |
| parent | 5ffb79e9f39c1e027155200e72b7678ea111273d (diff) | |
simplify tessellation heightmap direction control logic
| -rw-r--r-- | globals.cginc | 4 | ||||
| -rw-r--r-- | tessellation.cginc | 12 |
2 files changed, 8 insertions, 8 deletions
diff --git a/globals.cginc b/globals.cginc index 44d10d5..78f34cd 100644 --- a/globals.cginc +++ b/globals.cginc @@ -640,9 +640,9 @@ float _Tessellation_Heightmap_7_Scale; float _Tessellation_Heightmap_7_Offset;
#endif // _TESSELLATION_HEIGHTMAP_7
-#if defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL)
+// #if defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL)
float3 _Tessellation_Heightmap_Direction_Control_Vector;
-#endif // _TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL
+// #endif // _TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL
#if defined(_TESSELLATION_RANGE_FACTOR)
float _Tessellation_Range_Factor_Distance_Near;
diff --git a/tessellation.cginc b/tessellation.cginc index 168bae5..fdfc3b2 100644 --- a/tessellation.cginc +++ b/tessellation.cginc @@ -75,12 +75,12 @@ float4 applyHeightmap(float4 objPos, float2 uv, float3 normal, float3 tangent, f #if defined(_TESSELLATION_HEIGHTMAP_WORLD_SPACE) objPos.xyz += mul(unity_WorldToObject, height).xyz; #else -#if defined(OUTLINE_PASS) && defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL) - float3 heightmap_direction = mul(transpose(-float3x3(normal, tangent, binormal)), _Tessellation_Heightmap_Direction_Control_Vector); -#elif defined(OUTLINE_PASS) && !defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL) - float3 heightmap_direction = -normal; -#elif !defined(OUTLINE_PASS) && defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL) - float3 heightmap_direction = mul(transpose(float3x3(normal, tangent, binormal)), _Tessellation_Heightmap_Direction_Control_Vector); +#if defined(_TESSELLATION_HEIGHTMAP_DIRECTION_CONTROL) + float3 heightmap_direction = normalize( + normalize(normal) * _Tessellation_Heightmap_Direction_Control_Vector.x + + normalize(tangent) * _Tessellation_Heightmap_Direction_Control_Vector.y + + normalize(binormal) * _Tessellation_Heightmap_Direction_Control_Vector.z + ); #else float3 heightmap_direction = normal; #endif |