peter
/
gb
1
0
Fork 0
Code Projects Releases Wiki Activity

gb_math.h - 0.07b - Fix mat4_inverse

This commit is contained in:
Ginger Bill 2016-11-20 10:53:27 +00:00
parent 1fff141054
commit d5cdd53de1
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gb_math.h
View File

@ -3,6 +3,7 @@
use '#define GB_MATH_IMPLEMENTATION' before including to create the implementation in _ONE_ file
Version History:
0.07b - Fix mat4_inverse
0.07a - Fix Mat2
0.07 - Better Mat4 procedures
0.06h - Ignore silly warnings
@ -1560,9 +1561,9 @@ void gb_mat4_inverse(gbMat4 *out, gbMat4 *in) {
o[3][2] = -(m[0][0] * sf14 - m[0][1] * sf16 + m[0][3] * sf18);
o[3][3] = +(m[0][0] * sf15 - m[0][1] * sf17 + m[0][2] * sf18);
ood = 1.0f / (m[0][0] * o[0][0]
m[0][1] * o[0][1]
m[0][2] * o[0][2]
ood = 1.0f / (m[0][0] * o[0][0] +
m[0][1] * o[0][1] +
m[0][2] * o[0][2] +
m[0][3] * o[0][3]);
o[0][0] *= ood;