summaryrefslogtreecommitdiff
path: root/src/ch/epfl/maze
diff options
context:
space:
mode:
Diffstat (limited to 'src/ch/epfl/maze')
-rw-r--r--src/ch/epfl/maze/util/Vector2D.java9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/ch/epfl/maze/util/Vector2D.java b/src/ch/epfl/maze/util/Vector2D.java
index 66b0216..407851c 100644
--- a/src/ch/epfl/maze/util/Vector2D.java
+++ b/src/ch/epfl/maze/util/Vector2D.java
@@ -9,6 +9,8 @@ public final class Vector2D {
9 /* shift constant to compute the hash */ 9 /* shift constant to compute the hash */
10 private static final int SHIFT = 1000; 10 private static final int SHIFT = 1000;
11 11
12 private static final int ZERO = 0;
13
12 /* 2-dimension coordinates */ 14 /* 2-dimension coordinates */
13 private final int mX, mY; 15 private final int mX, mY;
14 16
@@ -25,6 +27,13 @@ public final class Vector2D {
25 } 27 }
26 28
27 /** 29 /**
30 * Constructs a 2-dimensional zero vector.
31 */
32 public Vector2D() {
33 this(Vector2D.ZERO, Vector2D.ZERO);
34 }
35
36 /**
28 * Adds two coordinates to the vector. 37 * Adds two coordinates to the vector.
29 * 38 *
30 * @param x Horizontal coordinate to add 39 * @param x Horizontal coordinate to add