add hexagon sdf

1 files changed, 14 insertions, 0 deletions

diff --git a/ray_marching.cginc b/ray_marching.cginc
index 57a3dff..d989dc8 100644
--- a/ray_marching.cginc
+++ b/ray_marching.cginc
@@ -100,6 +100,13 @@ void ray_march(inout v2f i) {
       d_cur = min(d_cur, map_ball(p, _Ray_Marching_Ball_Radius));
     }
 #endif
+#if defined(_RAY_MARCHING_HEXAGON)
+    {
+      float r = _Ray_Marching_Hexagon_Radius;
+      float h = _Ray_Marching_Hexagon_Height;
+      d_cur = min(d_cur, map_hexagon(p, float2(r, h)));
+    }
+#endif
 
 #if defined(_RAY_MARCHING_OVERSTEP)
     d_cur *= (d_cur > 0 ? _Ray_Marching_Overstepping_Factor : 1.0f);
@@ -128,6 +135,13 @@ void ray_march(inout v2f i) {
     map_ball_normal(r, lclPos, lclNorm, lclTan);
   }
 #endif
+#if defined(_RAY_MARCHING_HEXAGON)
+  {
+    float r = _Ray_Marching_Hexagon_Radius;
+    float h = _Ray_Marching_Hexagon_Height;
+    map_hexagon_normal(float2(r, h), lclPos, lclNorm, lclTan);
+  }
+#endif
 
   i.objPos = lclPos;
   i.normal = lclNorm;