| branch | transitional_engine |
| changeset 15904 | 33798b649d9c |
| parent 15901 | f39f0f614dbf |
| child 15905 | 022ec6b916b7 |
| 15903:230dc46487ea | 15904:33798b649d9c |
|---|---|
1 use std::{cmp, ops::Index, ops::IndexMut}; |
1 use std::{cmp, ops::Index, ops::IndexMut}; |
2 |
2 use vec2d::Vec2D; |
3 use integral_geometry::{ArcPoints, EquidistantPoints, Line, Point, PotSize, Rect, Size, SizeMask}; |
3 use integral_geometry::{ArcPoints, EquidistantPoints, Line, Point, PotSize, Rect, Size, SizeMask}; |
4 |
4 |
5 pub struct Land2D<T> { |
5 pub struct Land2D<T> { |
6 pixels: vec2d::Vec2D<T>, |
6 pixels: vec2d::Vec2D<T>, |
7 play_box: Rect, |
7 play_box: Rect, |
293 fn index_mut(&mut self, row: usize) -> &mut [T] { |
293 fn index_mut(&mut self, row: usize) -> &mut [T] { |
294 &mut self.pixels[row] |
294 &mut self.pixels[row] |
295 } |
295 } |
296 } |
296 } |
297 |
297 |
298 impl<T> From<Vec2D<T>> for Land2D<T> { |
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299 fn from(vec: Vec2D<T>) -> Self { |
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300 let actual_size = vec.size(); |
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301 let pot_size = actual_size.next_power_of_two(); |
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302 |
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303 assert_eq!(actual_size, pot_size.size()); |
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304 |
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305 let top_left = Point::new(0, 0); |
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306 let play_box = Rect::from_size(top_left, actual_size); |
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307 Self { |
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308 play_box, |
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309 pixels: vec, |
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310 mask: pot_size.to_mask(), |
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311 } |
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312 } |
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313 } |
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314 |
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298 #[cfg(test)] |
315 #[cfg(test)] |
299 mod tests { |
316 mod tests { |
300 use super::*; |
317 use super::*; |
301 |
318 |
302 #[test] |
319 #[test] |