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| author | Matthew Kosarek <mattkae@protonmail.com> | 2021-06-17 21:32:57 -0400 |
|---|---|---|
| committer | Matthew Kosarek <mattkae@protonmail.com> | 2021-06-17 21:32:57 -0400 |
| commit | 2ab6b6cfe81505b029f2da397cef0bb58989444f (patch) | |
| tree | 41c581c80310c060dcbdcb049ce88970ca418d72 /shared_cpp | |
| parent | 8748228bc9effa4779f4c1062f5fbc07f1d07a60 (diff) | |
(mkosarek) Beginning to explain rigidbody physics in a reasonable way
Diffstat (limited to 'shared_cpp')
| -rw-r--r-- | shared_cpp/mathlib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/shared_cpp/mathlib.h b/shared_cpp/mathlib.h index c922032..fc2ef0c 100644 --- a/shared_cpp/mathlib.h +++ b/shared_cpp/mathlib.h @@ -7,6 +7,7 @@ #define MAX(x, y) (((x) > (y)) ? (x) : (y)) #define MIN(x, y) (((x) < (y)) ? (x) : (y)) #define ABS(x) (x < 0 ? -x : x) +#define SIGN(x) (x < 0 ? -1 : 1) struct Vector2 { float x = 0; |