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Better slice implementation
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parent
3318db9a26
commit
c80dac4c4e
@ -1,26 +1,36 @@
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use crate::pattern::*;
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use crate::Vector;
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#[derive(derive_more::Constructor)]
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pub struct SliceFactory {
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child: Box<dyn PatternFactory>,
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scale: u8,
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width: f32,
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rest: f32,
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}
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#[derive(derive_more::Constructor)]
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pub struct Slice {
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child: Box<dyn Pattern>,
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scale: u8,
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width: f32,
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rest: f32,
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}
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impl SliceFactory {
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pub fn new(child: Box<dyn PatternFactory>, slices: u8) -> Self {
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let width = 1.0 / slices as f32;
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let rest = 1.0 - width;
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Self { child, width, rest }
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}
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}
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impl PatternFactory for SliceFactory {
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fn create(&self, config: &Config) -> Box<dyn Pattern> {
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Box::new(Slice::new(self.child.create(config), self.scale))
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Box::new(Slice::new(self.child.create(config), self.width, self.rest))
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}
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}
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impl Pattern for Slice {
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fn sample(&self, pos: Vector) -> f32 {
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self.child.sample(pos) * self.scale as f32
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(self.child.sample(pos) - self.rest) / self.width
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}
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}
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