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fixing up some reference things in PVector

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This commit is contained in:
shiffman
2011-09-04 19:03:33 +00:00
parent 0a9228e282
commit 99e485ecf5
1 changed files with 11 additions and 4 deletions
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15
core/src/processing/core/PVector.java
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@@ -358,9 +358,12 @@ public class PVector implements Serializable {
return sub(v1, v2, null);
}
/**
* @param target ???
*/
/**
* Subtract one vector from another and store in another vector
* @param v1 the x, y, and z components of a PVector object
* @param v2 the x, y, and z components of a PVector object
* @param target PVector to store the result
*/
static public PVector sub(PVector v1, PVector v2, PVector target) {
if (target == null) {
target = new PVector(v1.x - v2.x, v1.y - v2.y, v1.z - v2.z);
@@ -426,6 +429,7 @@ public class PVector implements Serializable {
return mult(v1, v2, null);
}
static public PVector mult(PVector v1, PVector v2, PVector target) {
if (target == null) {
target = new PVector(v1.x*v2.x, v1.y*v2.y, v1.z*v2.z);
@@ -466,7 +470,10 @@ public class PVector implements Serializable {
}
/**
* @param target ???
* Divide a vector by a scalar and store the result in another vector.
* @param v any variable of type PVector
* @param n the number to divide with the vector
* @param target PVector to store the result
*/
static public PVector div(PVector v, float n, PVector target) {
if (target == null) {