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| author | David Thompson <dthompson2@worcester.edu> | 2022-08-01 15:58:23 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2022-08-01 16:06:44 -0400 |
| commit | 8da5b88f09b12dd5fbecdcc65d6e02888ace31f9 (patch) | |
| tree | 109c4024f9c704cf8cc7aa61747bf9e9e657c120 /doc | |
| parent | 9394b9f1a100cc7ecdf024c0c525e535b0301cd3 (diff) | |
math: matrix: Fix shear implementation in matrix4-2d-transform!
First of all, it's "shear", not "skew". Second, the math was wrong.
Good job!
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/api.texi | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/api.texi b/doc/api.texi index 6d14cd6..469c5d7 100644 --- a/doc/api.texi +++ b/doc/api.texi @@ -1203,12 +1203,12 @@ Modify @var{matrix} in-place to contain a rotation about the Z axis by @deffn {Procedure} matrix4-2d-transform! matrix [#:origin] @ [#:position] [#:rotation] @ - [#:scale] [#:skew] + [#:scale] [#:shear] Modify @var{matrix} in-place to contain the transformation described by @var{position}, a 2D vector or rectangle, @var{rotation}, a scalar representing a rotation about the Z axis, @var{scale}, a 2D vector, -and @var{skew}, a 2D vector. The transformation happens with respect +and @var{shear}, a 2D vector. The transformation happens with respect to @var{origin}, a 2D vector. If an argument is not provided, that particular transformation will not be included in the result. @end deffn |