one more for the gipper

1 files changed, 40 insertions, 0 deletions

diff --git a/libraries/ode-0.9/OPCODE/OPC_PlanesTriOverlap.h b/libraries/ode-0.9/OPCODE/OPC_PlanesTriOverlap.h
new file mode 100644
index 0000000..3f9b39f
--- /dev/null
+++ b/libraries/ode-0.9/OPCODE/OPC_PlanesTriOverlap.h
@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *      Planes-triangle overlap test.
+ *      \param          in_clip_mask    [in] bitmask for active planes
+ *      \return         TRUE if triangle overlap planes
+ *      \warning        THIS IS A CONSERVATIVE TEST !! Some triangles will be returned as intersecting, while they're not!
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+inline_ BOOL PlanesCollider::PlanesTriOverlap(udword in_clip_mask)
+{
+        // Stats
+        mNbVolumePrimTests++;
+
+        const Plane* p = mPlanes;
+        udword Mask = 1;
+
+        while(Mask<=in_clip_mask)
+        {
+                if(in_clip_mask & Mask)
+                {
+                        float d0 = p->Distance(*mVP.Vertex[0]);
+                        float d1 = p->Distance(*mVP.Vertex[1]);
+                        float d2 = p->Distance(*mVP.Vertex[2]);
+                        if(d0>0.0f && d1>0.0f && d2>0.0f)       return FALSE;
+//                      if(!(IR(d0)&SIGN_BITMASK) && !(IR(d1)&SIGN_BITMASK) && !(IR(d2)&SIGN_BITMASK))  return FALSE;
+                }
+                Mask+=Mask;
+                p++;
+        }
+/*
+        for(udword i=0;i<6;i++)
+        {
+                float d0 = p[i].Distance(mLeafVerts[0]);
+                float d1 = p[i].Distance(mLeafVerts[1]);
+                float d2 = p[i].Distance(mLeafVerts[2]);
+                if(d0>0.0f && d1>0.0f && d2>0.0f)       return false;
+        }
+*/
+        return TRUE;
+}