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34 lines
661 B
Rust
34 lines
661 B
Rust
use crate::shapes::*;
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/// An iterator containing the shapes to display
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pub struct CircleShapes {
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modulo: u32,
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factor: u32,
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position: u32,
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circle: Circle,
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}
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impl CircleShapes {
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pub fn new(modulo: u32, factor: u32, circle: Circle) -> CircleShapes {
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CircleShapes {
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modulo,
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factor,
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position: 0,
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circle,
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}
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}
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}
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impl Iterator for CircleShapes {
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type Item = Shape;
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fn next(&mut self) -> Option<Self::Item> {
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if self.position == 0 {
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self.position += 1;
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Some(Shape::Circle(self.circle))
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} else {
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None
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}
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}
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}
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