From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 8 Dec 2011 14:53:40 +0000 Subject: Initial upload --- Opcode/OPC_PlanesTriOverlap.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Opcode/OPC_PlanesTriOverlap.h (limited to 'Opcode/OPC_PlanesTriOverlap.h') diff --git a/Opcode/OPC_PlanesTriOverlap.h b/Opcode/OPC_PlanesTriOverlap.h new file mode 100644 index 0000000..7667cbc --- /dev/null +++ b/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; +} -- cgit v1.1