summary refs log tree commit diff stats
path: root/util.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'util.cpp')
-rw-r--r--util.cpp18
1 files changed, 9 insertions, 9 deletions
diff --git a/util.cpp b/util.cpp index 5ccfe51..9fcdbbd 100644 --- a/util.cpp +++ b/util.cpp
@@ -2,22 +2,22 @@
2#include "mazeoflife.h" 2#include "mazeoflife.h"
3#include <iostream> 3#include <iostream>
4 4
5void wrap(int* x, int* y) 5void wrap(int& x, int& y)
6{ 6{
7 if (*x < 0) 7 if (x < 0)
8 { 8 {
9 *x = WIDTH-(0-*x); 9 x = WIDTH+x;
10 } else if (*x >= WIDTH) 10 } else if (x >= WIDTH)
11 { 11 {
12 *x = *x-WIDTH; 12 x = x-WIDTH;
13 } 13 }
14 14
15 if (*y < 0) 15 if (y < 0)
16 { 16 {
17 *y = HEIGHT-(0-*y); 17 y = HEIGHT+y;
18 } else if (*y >= HEIGHT) 18 } else if (y >= HEIGHT)
19 { 19 {
20 *y = *y-HEIGHT; 20 y = y-HEIGHT;
21 } 21 }
22} 22}
23 23