#ifndef __VERTEX_INC
#define __VERTEX_INC

#include "custom31.hlsl"

void deform(inout float3 objPos) {
#if defined(_CUSTOM31_TUBES)
  float t = _Custom31_Tubes_t;
  objPos = plane_to_tube(objPos, t);
#endif  // _CUSTOM31_TUBES
}

void deform_normal(float3 objPos, inout float3 objNorm, inout float3 objTan) {
#if defined(_CUSTOM31_TUBES)
  float t = _Custom31_Tubes_t;
  plane_to_tube_normal(objPos, objNorm, objTan, t);
#endif  // _CUSTOM31_TUBES
}

void propagateObjPos(inout v2f i) {
  i.worldPos = mul(unity_ObjectToWorld, float4(i.objPos, 1));
  i.pos = UnityObjectToClipPos(i.objPos);
  i.eyeVec.xyz = i.worldPos - _WorldSpaceCameraPos;
}

#endif  // __VERTEX_INC