External/cglm
1
0
Fork 0
mirror of https://github.com/recp/cglm.git synced 2025-12-25 04:44:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #209 from legends2k/fix_vec3_cross

Browse Source 
Fix cross product when an operand is also dest
This commit is contained in:
Recep Aslantas
2021-06-10 16:49:17 +03:00
committed by GitHub
parent 479e7d4240 aa071b2a6b
commit 8b958e9600
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/cglm/vec3.h
View File

@@ -578,10 +578,12 @@ glm_vec3_normalize_to(vec3 v, vec3 dest) {
CGLM_INLINE
void
glm_vec3_cross(vec3 a, vec3 b, vec3 dest) {
vec3 c;
/* (u2.v3 - u3.v2, u3.v1 - u1.v3, u1.v2 - u2.v1) */
dest[0] = a[1] * b[2] - a[2] * b[1];
dest[1] = a[2] * b[0] - a[0] * b[2];
dest[2] = a[0] * b[1] - a[1] * b[0];
c[0] = a[1] * b[2] - a[2] * b[1];
c[1] = a[2] * b[0] - a[0] * b[2];
c[2] = a[0] * b[1] - a[1] * b[0];
glm_vec3_copy(c, dest);
}
/*!