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authorTavian Barnes <tavianator@gmail.com>2010-10-18 00:15:46 -0400
committerTavian Barnes <tavianator@gmail.com>2010-10-18 00:15:46 -0400
commit8e4819c2f3c0d36865bf20a55f54c0a6c7fd4e74 (patch)
tree83dfe1317803ea85060747a45bedffd82c3f4d5b /libdimension/geometry.c
parentee11c72a23c4ccc58b5d45f27a7c9abbd85b1887 (diff)
downloaddimension-8e4819c2f3c0d36865bf20a55f54c0a6c7fd4e74.tar.xz
Inline some commonly-used functions.
Diffstat (limited to 'libdimension/geometry.c')
-rw-r--r--libdimension/geometry.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/libdimension/geometry.c b/libdimension/geometry.c
index 6b1019b..2a16313 100644
--- a/libdimension/geometry.c
+++ b/libdimension/geometry.c
@@ -345,23 +345,6 @@ dmnsn_matrix_mul(dmnsn_matrix lhs, dmnsn_matrix rhs)
return r;
}
-/* Affine transformation; lhs*(x,y,z,1), normalized so the fourth element is
- 1 */
-dmnsn_vector
-dmnsn_transform_vector(dmnsn_matrix lhs, dmnsn_vector rhs)
-{
- /* 12 multiplications, 3 divisions, 12 additions */
- dmnsn_vector r;
- double w;
-
- r.x = lhs.n[0][0]*rhs.x + lhs.n[0][1]*rhs.y + lhs.n[0][2]*rhs.z + lhs.n[0][3];
- r.y = lhs.n[1][0]*rhs.x + lhs.n[1][1]*rhs.y + lhs.n[1][2]*rhs.z + lhs.n[1][3];
- r.z = lhs.n[2][0]*rhs.x + lhs.n[2][1]*rhs.y + lhs.n[2][2]*rhs.z + lhs.n[2][3];
- w = lhs.n[3][0]*rhs.x + lhs.n[3][1]*rhs.y + lhs.n[3][2]*rhs.z + lhs.n[3][3];
-
- return dmnsn_vector_div(r, w);
-}
-
/* Give an axis-aligned box that contains the given box transformed by `lhs' */
dmnsn_bounding_box
dmnsn_transform_bounding_box(dmnsn_matrix trans, dmnsn_bounding_box box)