diff options
Diffstat (limited to 'src/game/q_math.c')
| -rw-r--r-- | src/game/q_math.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/game/q_math.c b/src/game/q_math.c index 78209fd1..83410479 100644 --- a/src/game/q_math.c +++ b/src/game/q_math.c @@ -1279,6 +1279,17 @@ void MatrixMultiply( float in1[ 3 ][ 3 ], float in2[ 3 ][ 3 ], float out[ 3 ][ 3 in1[ 2 ][ 2 ] * in2[ 2 ][ 2 ]; } +/* +================ +VectorMatrixMultiply +================ +*/ +void VectorMatrixMultiply( const vec3_t p, vec3_t m[ 3 ], vec3_t out ) +{ + out[ 0 ] = m[ 0 ][ 0 ] * p[ 0 ] + m[ 1 ][ 0 ] * p[ 1 ] + m[ 2 ][ 0 ] * p[ 2 ]; + out[ 1 ] = m[ 0 ][ 1 ] * p[ 0 ] + m[ 1 ][ 1 ] * p[ 1 ] + m[ 2 ][ 1 ] * p[ 2 ]; + out[ 2 ] = m[ 0 ][ 2 ] * p[ 0 ] + m[ 1 ][ 2 ] * p[ 1 ] + m[ 2 ][ 2 ] * p[ 2 ]; +} void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up) { |