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add FastMath.withinSquaredDistance()

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Hannes Janetzek 2014-01-25 10:06:10 +01:00
parent 7ae8ee4405
commit 4351ff82fc
1 changed files with 8 additions and 0 deletions
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8
vtm/src/org/oscim/utils/FastMath.java
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@ -96,4 +96,12 @@ public class FastMath {
public static boolean absMaxCmp(int value1, int value2, int cmp) {
return value1 < -cmp || value1 > cmp || value2 < -cmp || value2 > cmp;
}
public static boolean withinSquaredDist(int dx, int dy, int distance) {
return dx * dx + dy * dy < distance;
}
public static boolean withinSquaredDist(float dx, float dy, float distance) {
return dx * dx + dy * dy < distance;
}
}