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author | 2019-10-23 04:52:51 +0200 | |
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committer | 2019-10-23 04:52:51 +0200 | |
commit | 4769272122e8cd0a4d666bb06c00cb27f8cad3c4 (patch) | |
tree | 68e513170347d804f55b3743f1fd960bbf700950 /wgpu/src/transformation.rs | |
parent | e95e656fcd780264f7a3c9a2ba3d0bd471d4894e (diff) | |
parent | 99e1a3780a1ea3ccb173d1fb4cbe889bb08b9643 (diff) | |
download | iced-4769272122e8cd0a4d666bb06c00cb27f8cad3c4.tar.gz iced-4769272122e8cd0a4d666bb06c00cb27f8cad3c4.tar.bz2 iced-4769272122e8cd0a4d666bb06c00cb27f8cad3c4.zip |
Merge pull request #22 from hecrj/basic-renderer
Basic `wgpu` renderer
Diffstat (limited to '')
-rw-r--r-- | wgpu/src/transformation.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/wgpu/src/transformation.rs b/wgpu/src/transformation.rs new file mode 100644 index 00000000..1101e135 --- /dev/null +++ b/wgpu/src/transformation.rs @@ -0,0 +1,30 @@ +#[derive(Debug, Clone, Copy)] +pub struct Transformation([f32; 16]); + +impl Transformation { + #[rustfmt::skip] + pub fn identity() -> Self { + Transformation([ + 1.0, 0.0, 0.0, 0.0, + 0.0, 1.0, 0.0, 0.0, + 0.0, 0.0, 1.0, 0.0, + 0.0, 0.0, 0.0, 1.0, + ]) + } + + #[rustfmt::skip] + pub fn orthographic(width: u16, height: u16) -> Self { + Transformation([ + 2.0 / width as f32, 0.0, 0.0, 0.0, + 0.0, 2.0 / height as f32, 0.0, 0.0, + 0.0, 0.0, 1.0, 0.0, + -1.0, -1.0, 0.0, 1.0, + ]) + } +} + +impl From<Transformation> for [f32; 16] { + fn from(transformation: Transformation) -> [f32; 16] { + transformation.0 + } +} |