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authorVito Caputo <vcaputo@gnugeneration.com>2017-01-07 16:25:57 -0800
committerVito Caputo <vcaputo@gnugeneration.com>2017-01-07 16:25:57 -0800
commitb0cee37e581a20c06ff8225fde8b8de95f68d09e (patch)
tree46053b3d5e1e779f7d4e12ada19a6f0c329483c7 /modules/sparkler/bsp.c
parent78d9c385ae3a1939e059c674ba5649df99d5615c (diff)
sparkler: prefer *.5 to / 2
Multiplies tend to be less costly
Diffstat (limited to 'modules/sparkler/bsp.c')
-rw-r--r--modules/sparkler/bsp.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/modules/sparkler/bsp.c b/modules/sparkler/bsp.c
index 6544993..5e23961 100644
--- a/modules/sparkler/bsp.c
+++ b/modules/sparkler/bsp.c
@@ -235,23 +235,23 @@ static inline void _bsp_add_occupant(bsp_t *bsp, bsp_occupant_t *occupant, v3f_t
/* XXX: note this is pretty unreadable due to reusing the earlier computed values
* where the identical computation is required.
*/
- bv->octrants[OCT_XR_YR_ZR].center.x = (l->right.x - bv->center.x) / 2 + bv->center.x;
- bv->octrants[OCT_XR_YR_ZR].center.y = (l->right.y - bv->center.y) / 2 + bv->center.y;
- bv->octrants[OCT_XR_YR_ZR].center.z = (l->right.z - bv->center.z) / 2 + bv->center.z;
+ bv->octrants[OCT_XR_YR_ZR].center.x = (l->right.x - bv->center.x) * .5f + bv->center.x;
+ bv->octrants[OCT_XR_YR_ZR].center.y = (l->right.y - bv->center.y) * .5f + bv->center.y;
+ bv->octrants[OCT_XR_YR_ZR].center.z = (l->right.z - bv->center.z) * .5f + bv->center.z;
bv->octrants[OCT_XR_YR_ZL].center.x = bv->octrants[OCT_XR_YR_ZR].center.x;
bv->octrants[OCT_XR_YR_ZL].center.y = bv->octrants[OCT_XR_YR_ZR].center.y;
- bv->octrants[OCT_XR_YR_ZL].center.z = (bv->center.z - l->left.z) / 2 + l->left.z;
+ bv->octrants[OCT_XR_YR_ZL].center.z = (bv->center.z - l->left.z) * .5f + l->left.z;
bv->octrants[OCT_XR_YL_ZR].center.x = bv->octrants[OCT_XR_YR_ZR].center.x;
- bv->octrants[OCT_XR_YL_ZR].center.y = (bv->center.y - l->left.y) / 2 + l->left.y;
+ bv->octrants[OCT_XR_YL_ZR].center.y = (bv->center.y - l->left.y) * .5f + l->left.y;
bv->octrants[OCT_XR_YL_ZR].center.z = bv->octrants[OCT_XR_YR_ZR].center.z;
bv->octrants[OCT_XR_YL_ZL].center.x = bv->octrants[OCT_XR_YR_ZR].center.x;
bv->octrants[OCT_XR_YL_ZL].center.y = bv->octrants[OCT_XR_YL_ZR].center.y;
bv->octrants[OCT_XR_YL_ZL].center.z = bv->octrants[OCT_XR_YR_ZL].center.z;
- bv->octrants[OCT_XL_YR_ZR].center.x = (bv->center.x - l->left.x) / 2 + l->left.x;
+ bv->octrants[OCT_XL_YR_ZR].center.x = (bv->center.x - l->left.x) * .5f + l->left.x;
bv->octrants[OCT_XL_YR_ZR].center.y = bv->octrants[OCT_XR_YR_ZR].center.y;
bv->octrants[OCT_XL_YR_ZR].center.z = bv->octrants[OCT_XR_YR_ZR].center.z;
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