94 lines
1.9 KiB
Rust
94 lines
1.9 KiB
Rust
// This is where you can put your custom code
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use crate::{Color, Point};
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const RADIUS: f32 = 2000.0;
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const X_CENTER: f32 = 2047.0;
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const Y_CENTER: f32 = 2047.0;
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pub fn draw_line_dotted(
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p1: &Point,
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p2: &Point,
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nb_all: usize,
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nb_visible: usize,
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first_on: bool,
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) -> Result<Vec<Point>, Box<dyn std::error::Error>> {
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let mut pl = vec![];
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let black = Color { r: 0, g: 0, b: 0 };
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let cmp = if first_on { 0 } else { 1 };
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for _ in 0..nb_all {
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pl.push(Point {
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color: black,
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..*p1
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});
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}
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for i in 0..nb_visible {
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pl.push(Point {
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color: if i % 2 == cmp { p2.color } else { black },
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..*p2
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});
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}
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if nb_visible > nb_all {
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return Ok(pl);
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}
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for _ in 0..(nb_all - nb_visible) {
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pl.push(Point {
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color: black,
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..*p2
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});
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}
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Ok(pl)
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}
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pub fn draw_line(
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p1: &Point,
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p2: &Point,
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nb_all: usize,
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nb_visible: usize,
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) -> Result<Vec<Point>, Box<dyn std::error::Error>> {
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let mut pl = vec![];
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let black = Color { r: 0, g: 0, b: 0 };
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for _ in 0..nb_all {
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pl.push(Point {
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color: black,
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..*p1
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});
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}
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for _ in 0..nb_visible {
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pl.push(*p2);
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}
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if nb_visible > nb_all {
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return Ok(pl);
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}
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for _ in 0..(nb_all - nb_visible) {
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pl.push(Point {
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color: black,
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..*p2
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});
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}
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Ok(pl)
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}
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#[allow(dead_code)]
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pub fn draw(_time: f64) -> Result<Vec<Point>, Box<dyn std::error::Error>> {
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let mut v: Vec<Point> = vec![];
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for i in 0..128 {
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let a = i as f32 / 128.0 * std::f32::consts::PI * 2.0;
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v.push(Point {
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x: (X_CENTER + a.cos() * RADIUS) as f32,
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y: (Y_CENTER + a.sin() * RADIUS) as f32,
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color: Color {
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r: 255,
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g: 255,
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b: 255,
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},
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});
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}
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Ok(v)
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}
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