tessellate in screen space, and add sine wave deformation effect

1 files changed, 26 insertions, 5 deletions

diff --git a/vertex.cginc b/vertex.cginc
index 730adfe..a18215a 100644
--- a/vertex.cginc
+++ b/vertex.cginc
@@ -3,24 +3,25 @@
 
 #include "vertex_deformation.hlsl"
 
+#define FOO(x) (x)
+
 void deform(inout float3 objPos) {
-  float t_eps = 1e-9;
 #if defined(_VERTEX_DEFORMATION_XZ_TUBE)
   {
-    float t = clamp(_Vertex_Deformation_XZ_Tube_t, -1+t_eps, 1-t_eps);;
+    float t = _Vertex_Deformation_XZ_Tube_t;
     objPos = plane_to_tube(objPos.xyz, t);
   }
 #endif  // _VERTEX_DEFORMATION_XZ_TUBE
 #if defined(_VERTEX_DEFORMATION_YZ_TUBE)
   {
-    float t = clamp(_Vertex_Deformation_YZ_Tube_t, -1+t_eps, 1-t_eps);
+    float t = _Vertex_Deformation_YZ_Tube_t;
     objPos = plane_to_tube(objPos.yxz, t);
     objPos = objPos.yxz;
   }
 #endif  // _VERTEX_DEFORMATION_YZ_TUBE
 #if defined(_VERTEX_DEFORMATION_XY_TUBE)
   {
-    float t = clamp(_Vertex_Deformation_XY_Tube_t, -1+t_eps, 1-t_eps);
+    float t = _Vertex_Deformation_XY_Tube_t;
     objPos = plane_to_tube(objPos.xzy, t);
     objPos = objPos.xzy;
   }
@@ -33,6 +34,16 @@ void deform(inout float3 objPos) {
     objPos = seal(objPos.xyz, A, k, t);
   }
 #endif  // _VERTEX_DEFORMATION_SEAL
+#if defined(_VERTEX_DEFORMATION_SINE_WAVES)
+  {
+    float t = _Time[3];
+    float3 amplitude = _Vertex_Deformation_Sine_Waves_Amplitude;
+    float3 direction = _Vertex_Deformation_Sine_Waves_Direction;
+    float4 k = _Vertex_Deformation_Sine_Waves_k;
+    float4 omega = _Vertex_Deformation_Sine_Waves_omega;
+    objPos = sine_wave(objPos.xyz, amplitude, direction, k, omega, t);
+  }
+#endif  // _VERTEX_DEFORMATION_SINE_WAVES
 }
 
 void deform_normal(float3 objPos, inout float3 objNorm, inout float3 objTan) {
@@ -58,10 +69,20 @@ void deform_normal(float3 objPos, inout float3 objNorm, inout float3 objTan) {
   {
     float A = _Vertex_Deformation_Seal_A;
     float k = _Vertex_Deformation_Seal_k;
-    float t = _Time[0] * _Vertex_Deformation_Seal_t;
+    float t = _Time[3] * _Vertex_Deformation_Seal_t;
     seal_normal(objPos, objNorm, objTan, A, k, t);
   }
 #endif  // _VERTEX_DEFORMATION_SEAL
+#if defined(_VERTEX_DEFORMATION_SINE_WAVES)
+  {
+    float t = _Time[3];
+    float4 amplitude = _Vertex_Deformation_Sine_Waves_Amplitude;
+    float3 direction = _Vertex_Deformation_Sine_Waves_Direction;
+    float4 k = _Vertex_Deformation_Sine_Waves_k;
+    float4 omega = _Vertex_Deformation_Sine_Waves_omega;
+    sine_wave_normal(objPos, objNorm, objTan, amplitude, direction, k, omega, t);
+  }
+#endif  // _VERTEX_DEFORMATION_SINE_WAVES
 }
 
 void propagateObjPos(inout v2f i) {