66 lines
1.7 KiB
C++
Executable File
66 lines
1.7 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 _SPHERE_H_
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#define _SPHERE_H_
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#ifndef _MMATH_H_
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#include "math/mMath.h"
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#endif
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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: Sphere
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//------------------------------------------------------------------------------
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// * ctor takes type of base polyhedron that is subdivided to create sphere
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// * getMesh(...) will subdivide the current mesh to the desired level where
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// (each level has 4 times the polys of the previous level)
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class Sphere
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{
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public:
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// regular polyhedra with triangle face polygons (num of faces)
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enum {
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Tetrahedron = 4,
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Octahedron = 8,
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Icosahedron = 20,
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MaxLevel = 5
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};
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struct Triangle {
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Triangle() {}
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Triangle(Point3F a, Point3F b, Point3F c) {pnt[0] = a; pnt[1] = b; pnt[2] = c;}
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Point3F pnt[3];
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Point3F normal;
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};
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struct TriangleMesh {
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U32 numPoly;
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Triangle * poly;
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};
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Sphere(U32 baseType = Octahedron);
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~Sphere();
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const TriangleMesh * getMesh(U32 level = 0);
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private:
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TriangleMesh * createTetrahedron();
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TriangleMesh * createOctahedron();
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TriangleMesh * createIcosahedron();
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Vector<TriangleMesh*> mDetails;
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void calcNormals(TriangleMesh *);
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TriangleMesh * subdivideMesh(TriangleMesh*);
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};
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#endif
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