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author | Aki <please@ignore.pl> | 2024-03-12 22:07:03 +0100 |
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committer | Aki <please@ignore.pl> | 2024-03-12 22:07:36 +0100 |
commit | 81bb6873f1c0291fecbf6e429ad15ac3db66a4c0 (patch) | |
tree | fd7552ecabeeffb45a1fbe3730ab62bc7a64dd85 /third-party/Opcode/Ice/IceIndexedTriangle.h | |
parent | f43d32d6d2cc7ecd04f4f06f20d5a6fc2c87c9ae (diff) | |
download | starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.zip starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.tar.gz starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.tar.bz2 |
Legal notices updated
Rename contrib -> third-party intendes to express the origin and purpose
of that part of the code better. I plan to readd contrib/ again but with
more in-project things like bash-completions, dev workflow scripts etc.
Diffstat (limited to 'third-party/Opcode/Ice/IceIndexedTriangle.h')
-rw-r--r-- | third-party/Opcode/Ice/IceIndexedTriangle.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/third-party/Opcode/Ice/IceIndexedTriangle.h b/third-party/Opcode/Ice/IceIndexedTriangle.h new file mode 100644 index 0000000..ef279c2 --- /dev/null +++ b/third-party/Opcode/Ice/IceIndexedTriangle.h @@ -0,0 +1,64 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +/** + * Contains a handy indexed triangle class. + * \file IceIndexedTriangle.h + * \author Pierre Terdiman + * \date January, 17, 2000 + */ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Include Guard +#ifndef __ICEINDEXEDTRIANGLE_H__ +#define __ICEINDEXEDTRIANGLE_H__ + + // An indexed triangle class. + class ICEMATHS_API IndexedTriangle + { + public: + //! Constructor + inline_ IndexedTriangle() {} + //! Constructor + inline_ IndexedTriangle(udword r0, udword r1, udword r2) { mVRef[0]=r0; mVRef[1]=r1; mVRef[2]=r2; } + //! Copy constructor + inline_ IndexedTriangle(const IndexedTriangle& triangle) + { + mVRef[0] = triangle.mVRef[0]; + mVRef[1] = triangle.mVRef[1]; + mVRef[2] = triangle.mVRef[2]; + } + //! Destructor + inline_ ~IndexedTriangle() {} + //! Vertex-references + udword mVRef[3]; + + // Methods + void Flip(); + float Area(const IcePoint* verts) const; + float Perimeter(const IcePoint* verts) const; + float Compacity(const IcePoint* verts) const; + void Normal(const IcePoint* verts, IcePoint& normal) const; + void DenormalizedNormal(const IcePoint* verts, IcePoint& normal) const; + void Center(const IcePoint* verts, IcePoint& center) const; + void CenteredNormal(const IcePoint* verts, IcePoint& normal) const; + void RandomPoint(const IcePoint* verts, IcePoint& random) const; + bool IsVisible(const IcePoint* verts, const IcePoint& source) const; + bool BackfaceCulling(const IcePoint* verts, const IcePoint& source) const; + float ComputeOcclusionPotential(const IcePoint* verts, const IcePoint& view) const; + bool ReplaceVertex(udword oldref, udword newref); + bool IsDegenerate() const; + bool HasVertex(udword ref) const; + bool HasVertex(udword ref, udword* index) const; + ubyte FindEdge(udword vref0, udword vref1) const; + udword OppositeVertex(udword vref0, udword vref1) const; + inline_ udword OppositeVertex(ubyte edgenb) const { return mVRef[2-edgenb]; } + void GetVRefs(ubyte edgenb, udword& vref0, udword& vref1, udword& vref2) const; + float MinEdgeLength(const IcePoint* verts) const; + float MaxEdgeLength(const IcePoint* verts) const; + void ComputePoint(const IcePoint* verts, float u, float v, IcePoint& pt, udword* nearvtx=null) const; + float Angle(const IndexedTriangle& tri, const IcePoint* verts) const; + inline_ IcePlane PlaneEquation(const IcePoint* verts) const { return IcePlane(verts[mVRef[0]], verts[mVRef[1]], verts[mVRef[2]]); } + bool Equal(const IndexedTriangle& tri) const; + }; + +#endif // __ICEINDEXEDTRIANGLE_H__ |