60 lines
944 B
C
60 lines
944 B
C
/*
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nEngine
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Emmanuel Julien 2000-2010
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All Rights Reserved
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http://www.gamestart3d.com
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Please refer to the included license.txt for license informations.
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*/
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#ifndef __NSHAPECONVEX__
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#define __NSHAPECONVEX__
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#include "shape/shape.h"
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#include "container/narray.h"
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/*!
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@short Convex shape class.
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@author Emmanuel Julien (ejulien@gsworks.fr)
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*/
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struct nConvexShape : public nShape
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{
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Vector4 center;
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nArray <Vector4> vtx;
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virtual Vector4 &GetCenter() const
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{ return center; }
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virtual float GetSupportDistance(const Vector4 &d) const
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{
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if (!vtx.GetCount())
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return 0;
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float d = vtx[0].Dot(d);
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for (uint n = 1; n < vtx.GetCount(); ++n)
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{
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float _d = vtx[n].Dot(d);
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if (_d > d)
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d = _d;
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}
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return d;
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}
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nConvexShape(const Vector4 &c, const nArray <Vector4> &v)
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{
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center = c;
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vtx.Clone(v);
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}
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nConvexShape()
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{
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center.Set(0, 0, 0);
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}
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};
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#endif // __NSHAPECONVEX__
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