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using const references

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incredibleLeitman 2020-11-29 04:04:02 +01:00
parent 69b05cc335
commit 2470e5a3af
1 changed files with 2 additions and 2 deletions
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4
Utility.h
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@ -6,12 +6,12 @@ static float sign(float x, float y, float x1, float y1, float x2, float y2)
return (x - x2) * (y1 - y2) - (x1 - x2) * (y - y2); return (x - x2) * (y1 - y2) - (x1 - x2) * (y - y2);
} }
static float sign (Point &p1, Point &p2, Point &p3) static float sign (const Point &p1, const Point &p2, const Point &p3)
{ {
return (p1.x() - p3.x()) * (p2.y() - p3.y()) - (p2.x() - p3.x()) * (p1.y() - p3.y()); return (p1.x() - p3.x()) * (p2.y() - p3.y()) - (p2.x() - p3.x()) * (p1.y() - p3.y());
} }
static bool IsPointInTriangle(Point &pt, Point &p1, Point &p2, Point &p3) static bool IsPointInTriangle(const Point &pt, const Point &p1, const Point &p2, const Point &p3)
{ {
float d1 = sign(pt, p1, p2); float d1 = sign(pt, p1, p2);
float d2 = sign(pt, p2, p3); float d2 = sign(pt, p2, p3);