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37 lines
960 B
Rust
37 lines
960 B
Rust
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use vec::Vec2;
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pub enum Orientation {
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Horizontal,
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Vertical,
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}
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impl Orientation {
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pub fn get(&self, v: &Vec2) -> usize {
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match *self {
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Orientation::Horizontal => v.x,
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Orientation::Vertical => v.y,
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}
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}
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pub fn swap(&self) -> Self {
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match *self {
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Orientation::Horizontal => Orientation::Vertical,
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Orientation::Vertical => Orientation::Horizontal,
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}
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}
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pub fn get_ref<'a,'b>(&'a self, v: &'b mut Vec2) -> &'b mut usize {
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match *self {
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Orientation::Horizontal => &mut v.x,
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Orientation::Vertical => &mut v.y,
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}
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}
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pub fn stack<'a,T: Iterator<Item=&'a Vec2>>(&self, iter: T) -> Vec2 {
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match *self {
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Orientation::Horizontal => iter.fold(Vec2::zero(), |a,b| a.stack_horizontal(&b)),
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Orientation::Vertical => iter.fold(Vec2::zero(), |a,b| a.stack_vertical(&b)),
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}
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}
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}
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