mgs/quickhull
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Include points at border in IsPointInRectangle

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This commit is contained in:
karl 2020-12-08 11:52:05 +01:00
parent e832407ea0
commit 8041535b51
2 changed files with 7 additions and 7 deletions
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10
README.md
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@ -8,14 +8,14 @@ the deployed release uses static linkage.
## program arguments
```
-v mode with enabled visualization
-akl using Akl-Toussaint heuristic beforehand
--akl using Akl-Toussaint heuristic beforehand
https://en.wikipedia.org/wiki/Convex_hull_algorithms#Akl%E2%8
-f <filename> read random numbers from file
-rngcount <count> generates count random float values
-rngmode <mode> if generating float values this specifies the mode:
--rngcount <count> generates count random float values
--rngmode <mode> if generating float values this specifies the mode:
1. random numbers in screen range
2. numbers are ordered as rectangle
3. numbers are ordered as circle around screen center
-runs <count> runs performance mode multiple times
-stepsize <size> time between autosteps; if 0 or not provided -> manual steps
--runs <count> runs performance mode multiple times
--stepsize <size> time between autosteps; if 0 or not provided -> manual steps
```

4
Utility.h
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@ -30,8 +30,8 @@ static bool IsPointInRectangle(const Point& pt, const Point& p1, const Point& p2
float d3 = sign(pt, p3, p4);
float d4 = sign(pt, p4, p1);
bool has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0) || (d4 < 0);
bool has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0) || (d4 > 0);
bool has_neg = (d1 <= 0) || (d2 <= 0) || (d3 <= 0) || (d4 <= 0);
bool has_pos = (d1 >= 0) || (d2 >= 0) || (d3 >= 0) || (d4 >= 0);
return !(has_neg && has_pos);
}