diff options
| -rw-r--r-- | linmath.h | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -140,12 +140,14 @@ static inline void mat4x4_scale_aniso(mat4x4 M, mat4x4 a, float x, float y, floa } static inline void mat4x4_mul(mat4x4 M, mat4x4 a, mat4x4 b) { + mat4x4 temp; int k, r, c; for(c=0; c<4; ++c) for(r=0; r<4; ++r) { - M[c][r] = 0.f; + temp[c][r] = 0.f; for(k=0; k<4; ++k) - M[c][r] += a[k][r] * b[c][k]; + temp[c][r] += a[k][r] * b[c][k]; } + mat4x4_dup(M, temp); } static inline void mat4x4_mul_vec4(vec4 r, mat4x4 M, vec4 v) { |