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adding sign function for just float coordinates

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incredibleLeitman 2020-11-27 03:08:13 +01:00
parent 9fcd2b2e9e
commit e78cf39d6d
1 changed files with 5 additions and 0 deletions
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5
Utility.h
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@ -1,6 +1,11 @@
#pragma once
#ifndef UTILITY_H
static float sign(float x1, float y1, float x2, float y2, float x3, float y3)
{
return (x1 - x3) * (y2 - y3) - (x2 - x3) * (y1 - y3);
}
static float sign (Point &p1, Point &p2, Point &p3)
{
return (p1.x() - p3.x()) * (p2.y() - p3.y()) - (p2.x() - p3.x()) * (p1.y() - p3.y());