diff options
Diffstat (limited to 'libdimension/geometry.c')
| -rw-r--r-- | libdimension/geometry.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libdimension/geometry.c b/libdimension/geometry.c index 304f21d..faeb30b 100644 --- a/libdimension/geometry.c +++ b/libdimension/geometry.c @@ -345,7 +345,7 @@ dmnsn_matrix_mul(dmnsn_matrix lhs, dmnsn_matrix rhs) /* Affine transformation; lhs*(x,y,z,1), normalized so the fourth element is 1 */ dmnsn_vector -dmnsn_matrix_vector_mul(dmnsn_matrix lhs, dmnsn_vector rhs) +dmnsn_transform_vector(dmnsn_matrix lhs, dmnsn_vector rhs) { /* 12 multiplications, 3 divisions, 12 additions */ dmnsn_vector r; @@ -361,7 +361,7 @@ dmnsn_matrix_vector_mul(dmnsn_matrix lhs, dmnsn_vector rhs) /* Give an axis-aligned box that contains the given box transformed by `lhs' */ dmnsn_bounding_box -dmnsn_matrix_bounding_box_mul(dmnsn_matrix trans, dmnsn_bounding_box box) +dmnsn_transform_bounding_box(dmnsn_matrix trans, dmnsn_bounding_box box) { /* Infinite bounding box support */ if (isinf(box.min.x) || isinf(box.min.y) || isinf(box.min.z) @@ -374,41 +374,41 @@ dmnsn_matrix_bounding_box_mul(dmnsn_matrix trans, dmnsn_bounding_box box) dmnsn_vector corner; dmnsn_bounding_box ret; - ret.min = dmnsn_matrix_vector_mul(trans, box.min); + ret.min = dmnsn_transform_vector(trans, box.min); ret.max = ret.min; corner = dmnsn_new_vector(box.min.x, box.min.y, box.max.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.min.x, box.max.y, box.min.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.min.x, box.max.y, box.max.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.max.x, box.min.y, box.min.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.max.x, box.min.y, box.max.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.max.x, box.max.y, box.min.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); corner = dmnsn_new_vector(box.max.x, box.max.y, box.max.z); - corner = dmnsn_matrix_vector_mul(trans, corner); + corner = dmnsn_transform_vector(trans, corner); ret.min = dmnsn_vector_min(ret.min, corner); ret.max = dmnsn_vector_max(ret.max, corner); |