1 files changed, 39 insertions, 0 deletions
diff --git a/thirdparty/vhacd/inc/vhacdRaycastMesh.h b/thirdparty/vhacd/inc/vhacdRaycastMesh.h
new file mode 100644
index 0000000000..93bf299c07
--- /dev/null
+++ b/thirdparty/vhacd/inc/vhacdRaycastMesh.h
@@ -0,0 +1,39 @@
+#ifndef RAYCAST_MESH_H
+
+#define RAYCAST_MESH_H
+
+#include <stdint.h>
+
+namespace VHACD
+{
+
+    // Very simple brute force raycast against a triangle mesh.  Tests every triangle; no hierachy.
+    // Does a deep copy, always does calculations with full double float precision
+    class RaycastMesh
+    {
+    public:
+        static RaycastMesh * createRaycastMesh(uint32_t vcount,		// The number of vertices in the source triangle mesh
+            const double *vertices,		// The array of vertex positions in the format x1,y1,z1..x2,y2,z2.. etc.
+            uint32_t tcount,		// The number of triangles in the source triangle mesh
+            const uint32_t *indices); // The triangle indices in the format of i1,i2,i3 ... i4,i5,i6, ...
+
+        static RaycastMesh * createRaycastMesh(uint32_t vcount,		// The number of vertices in the source triangle mesh
+            const float *vertices,		// The array of vertex positions in the format x1,y1,z1..x2,y2,z2.. etc.
+            uint32_t tcount,		// The number of triangles in the source triangle mesh
+            const uint32_t *indices); // The triangle indices in the format of i1,i2,i3 ... i4,i5,i6, ...
+
+
+        virtual bool raycast(const double *from,			// The starting point of the raycast
+            const double *to,				// The ending point of the raycast
+            const double *closestToPoint,	// The point to match the nearest hit location (can just be the 'from' location of no specific point)
+            double *hitLocation,			// The point where the ray hit nearest to the 'closestToPoint' location
+            double *hitDistance) = 0;		// The distance the ray traveled to the hit location
+
+        virtual void release(void) = 0;
+    protected:
+        virtual ~RaycastMesh(void) { };
+    };
+
+} // end of VHACD namespace
+
+#endif