Added Vector.lengthSq()

This commit is contained in:
TomyLobo 2011-12-27 19:03:18 +01:00
parent 0960ce46e2
commit 48f529bc7a

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@ -437,12 +437,19 @@ public class Vector {
/**
* Get the length of the vector.
*
* @return distance
* @return length
*/
public double length() {
return Math.sqrt(Math.pow(x, 2) +
Math.pow(y, 2) +
Math.pow(z, 2));
return Math.sqrt(x * x + y * y + z * z);
}
/**
* Get the length^2 of the vector.
*
* @return length^2
*/
public double lengthSq() {
return x * x + y * y + z * z;
}
/**