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| author | Tavian Barnes <tavianator@gmail.com> | 2009-10-30 11:58:37 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@gmail.com> | 2009-10-30 11:58:37 -0400 |
| commit | 05757a852b46c40354f18d4f0c547d6b339054ab (patch) | |
| tree | 07ab3f9def198d7979c8deb49472437aaa804cd8 /dimension/realize.c | |
| parent | 58e698772d6b48817fdff3a2d36f445c70e87ee3 (diff) | |
| download | dimension-05757a852b46c40354f18d4f0c547d6b339054ab.tar.xz | |
Don't flip boxes that are specified backwards.
Diffstat (limited to 'dimension/realize.c')
| -rw-r--r-- | dimension/realize.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/dimension/realize.c b/dimension/realize.c index 286bae7..38a74e6 100644 --- a/dimension/realize.c +++ b/dimension/realize.c @@ -20,6 +20,7 @@ #include "realize.h" #include "parse.h" #include "utility.h" +#include <math.h> static dmnsn_vector dmnsn_realize_vector(dmnsn_astnode astnode) @@ -59,9 +60,11 @@ dmnsn_realize_box(dmnsn_astnode astnode) x2 = dmnsn_realize_vector(corner2); dmnsn_object *box = dmnsn_new_cube(); - box->trans = dmnsn_scale_matrix(dmnsn_vector_construct((x2.x - x1.x)/2.0, - (x2.y - x1.y)/2.0, - (x2.z - x1.z)/2.0)); + box->trans = dmnsn_scale_matrix( + dmnsn_vector_construct(fabs(x2.x - x1.x)/2.0, + fabs(x2.y - x1.y)/2.0, + fabs(x2.z - x1.z)/2.0) + ); box->trans = dmnsn_matrix_mul( dmnsn_translation_matrix(dmnsn_vector_construct((x2.x + x1.x)/2.0, (x2.y + x1.y)/2.0, |