25 lines
568 B
C
25 lines
568 B
C
// Filename: triangle.h
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// Created by: drose (16Nov99)
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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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