Revision 262,
1.0 KB
checked in by mattausch, 19 years ago
(diff) |
debugged bsp
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[235] | 1 | #ifndef _Polygon3_h__ |
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| 2 | #define _Polygon3_h__ |
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| 3 | |
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| 4 | |
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| 5 | //#include <iostream> |
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| 6 | //#include <math.h> |
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| 7 | //#include "common.h" |
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| 8 | #include "Containers.h" |
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| 9 | #include <queue> |
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| 10 | |
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| 11 | class Mesh; |
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| 12 | class Plane3; |
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| 13 | class Face; |
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| 14 | |
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| 15 | namespace GtpVisibilityPreprocessor { |
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| 16 | |
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| 17 | /** Class representing a general planar polygon in 3d. |
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| 18 | */ |
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| 19 | class Polygon3 |
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| 20 | { |
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| 21 | public: |
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| 22 | Polygon3(); |
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| 23 | Polygon3(const VertexContainer &vertices); |
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| 24 | |
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| 25 | /** Copies all the vertices of the face. |
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| 26 | */ |
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| 27 | Polygon3(Face *face, Mesh *parent); |
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| 28 | |
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| 29 | /** Returns supporting plane of this polygon. |
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| 30 | */ |
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| 31 | Plane3 GetSupportingPlane(); |
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| 32 | |
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| 33 | /** Splits polygon. |
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| 34 | @param partition the split plane |
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| 35 | @param front the front polygon |
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| 36 | @param back the back polygon |
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| 37 | @param splits number of splits |
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| 38 | */ |
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| 39 | void Split(Plane3 *partition, Polygon3 *front, Polygon3 *back, int &splits); |
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| 40 | |
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| 41 | enum {BACK_SIDE, FRONT_SIDE, SPLIT, COINCIDENT}; |
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| 42 | |
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| 43 | /** Side of the plane where the polygon is located. |
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| 44 | @returns one of BACK_SIDE, FRONT_SIDE, SPLIT, COINCIDENT |
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| 45 | */ |
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| 46 | int Side(Plane3 *plane); |
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| 47 | |
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| 48 | /// vertices are connected in counterclockwise order. |
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| 49 | VertexContainer mVertices; |
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| 50 | }; |
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| 51 | |
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| 52 | } |
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| 53 | |
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| 54 | #endif |
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