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Add Image::rotate and Mesh::rotate (#1371)

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Co-authored-by: Hunter Morgan <hmorgan@bellflight.com>
This commit is contained in:
Hunter522
2022-03-22 02:44:23 -05:00
committed by GitHub
parent 805539b50d
commit 0a400a5bcc
3 changed files with 38 additions and 2 deletions
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9
epaint/src/mesh.rs
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@@ -254,6 +254,15 @@ impl Mesh {
v.pos += delta;
}
}
/// Rotate by some angle about an origin, in-place.
///
/// Origin is a position in screen space.
pub fn rotate(&mut self, rot: Rot2, origin: Pos2) {
for v in &mut self.vertices {
v.pos = origin + rot * (v.pos - origin);
}
}
}
// ----------------------------------------------------------------------------