38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
// Filename: triangle.h
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// Created by: drose (16Nov99)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef TRIANGLE_H
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#define TRIANGLE_H
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#include <luse.h>
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// A handy triangle utility. Maybe more later.
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// The triangle must be defined with vertices in counter-clockwise
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// order.
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bool
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triangle_contains_point(const LPoint2d &p, const LPoint2d &v0,
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const LPoint2d &v1, const LPoint2d &v2);
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bool
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triangle_contains_circle(const LPoint2d &p, double radius,
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const LPoint2d &v0,
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const LPoint2d &v1, const LPoint2d &v2);
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#endif
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