From a9f53b022ef93f19e1ba55f09a113bb213f13351 Mon Sep 17 00:00:00 2001
From: Memo Akten <memo@memo.tv>
Date: Fri, 12 Jun 2015 11:21:07 +0100
Subject: [PATCH] fixes to Piers Vector2d
---
src/math/Vector2d.java | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/src/math/Vector2d.java b/src/math/Vector2d.java
index 67212a7..27c345d 100644
--- a/src/math/Vector2d.java
+++ b/src/math/Vector2d.java
@@ -430,12 +430,15 @@ public class Vector2d {
return ((x * v.getX()) + (y * v.getY()));
}
- public static Vector2d scalarProduct(Vector2d v1, Vector2d v2) {
+ public static double scalarProduct(Vector2d v1, Vector2d v2) {
Vector2d vector = new Vector2d(v1, true);
- vector.scalarProduct(v2);
- return vector;
+ return vector.scalarProduct(v2);
}
+ public double dot(Vector2d v) { return scalarProduct(v); }
+
+ public static double dot(Vector2d v1, Vector2d v2) { return Vector2d.scalarProduct(v1, v2); }
+
public static Vector2d toCartesian(Vector2d input) {
double x = (input.getY() * Math.cos(input.getR()));
double y = (input.getY() * Math.sin(input.getR()));
@@ -490,10 +493,10 @@ public class Vector2d {
}
public static Vector2d normalise(Vector2d first) {
- Vector2d second = new Vector2d(first, false);
+ Vector2d second = new Vector2d(first, true);
second.normalise();
- if (first.mutable)
- second.setToMutable();
+ // if (first.mutable)
+ // second.setToMutable();
return second;
}
--
GitLab