42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
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/*
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CDTestFramework http://codercorner.com
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Copyright (c) 2007-2008 Pierre Terdiman, pierre@codercorner.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef ICEHELPERS_H
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#define ICEHELPERS_H
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void RotX(Matrix3x3& m, float angle);
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void RotY(Matrix3x3& m, float angle);
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void RotZ(Matrix3x3& m, float angle);
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udword RayCapsuleOverlap(const Point& origin, const Point& dir, const LSS& capsule, float s[2]);
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bool SegmentSphere(const Point& origin, const Point& dir, float length, const Point& center, float radius, float& dist, Point& hit_pos);
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bool RayAABB2(const Point& min, const Point& max, const Point& origin, const Point& dir, Point& coord);
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inline_ bool RayOBB(const Point& origin, const Point& dir, const OBB& box, float& dist, Point& hit_pos)
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{
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Point LocalOrigin = box.mRot * (origin - box.mCenter);
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Point LocalDir = box.mRot * dir;
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Point LocalImpact;
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if(RayAABB2(-box.mExtents, box.mExtents, LocalOrigin, LocalDir, LocalImpact))
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{
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dist = LocalImpact.Distance(LocalOrigin);
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hit_pos = LocalImpact * box.mRot + box.mCenter;
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return true;
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}
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return false;
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}
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#endif // ICEHELPERS_H
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