97 lines
2.0 KiB
C++
Executable File
97 lines
2.0 KiB
C++
Executable File
//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _POLYTOPE_H_
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#define _POLYTOPE_H_
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#ifndef _TVECTOR_H_
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#include "core/tVector.h"
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#endif
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//----------------------------------------------------------------------------
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class SimObject;
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//----------------------------------------------------------------------------
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class Polytope
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{
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// Convex Polyhedron
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public:
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struct Vertex {
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Point3F point;
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/// Temp BSP clip info
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S32 side;
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};
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struct Edge {
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S32 vertex[2];
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S32 face[2];
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S32 next;
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};
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struct Face {
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PlaneF plane;
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S32 original;
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/// Temp BSP clip info
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S32 vertex;
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};
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struct Volume
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{
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S32 edgeList;
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S32 material;
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SimObject* object;
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};
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struct StackElement
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{
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S32 edgeList;
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const BSPNode *node;
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};
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struct Collision {
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SimObject* object;
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S32 material;
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PlaneF plane;
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Point3F point;
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F32 distance;
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Collision()
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{
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object = NULL;
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distance = 0.0;
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}
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};
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typedef Vector<Edge> EdgeList;
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typedef Vector<Face> FaceList;
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typedef Vector<Vertex> VertexList;
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typedef Vector<Volume> VolumeList;
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typedef Vector<StackElement> VolumeStack;
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//
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S32 sideCount;
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EdgeList mEdgeList;
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FaceList mFaceList;
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VertexList mVertexList;
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VolumeList mVolumeList;
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private:
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bool intersect(const PlaneF& plane,const Point3F& sp,const Point3F& ep);
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public:
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//
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Polytope();
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void buildBox(const MatrixF& transform,const Box3F& box);
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void intersect(SimObject*, const BSPNode* node);
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inline bool didIntersect() { return mVolumeList.size() > 1; }
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void extrudeFace(int fi,const VectorF& vec,Polytope* out);
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bool findCollision(const VectorF& vec,Polytope::Collision *best);
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void render();
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};
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#endif
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