line/
line.rs

1use bottomless_pit::colour::Colour;
2use bottomless_pit::engine_handle::{Engine, EngineBuilder};
3use bottomless_pit::material::LineMaterial;
4use bottomless_pit::render::RenderHandle;
5use bottomless_pit::vec2;
6use bottomless_pit::vectors::Vec2;
7use bottomless_pit::Game;
8
9fn main() {
10    let engine = EngineBuilder::new().build().unwrap();
11
12    let line_material = LineMaterial::new(&engine);
13
14    let game = LineExample {
15        material: line_material,
16    };
17
18    engine.run(game);
19}
20
21struct LineExample {
22    material: LineMaterial,
23}
24
25impl Game for LineExample {
26    fn render<'o>(&'o mut self, mut render: RenderHandle<'o>) {
27        let mut render_handle = render.begin_pass(Colour::BLACK);
28
29        self.material.add_line(
30            vec2! { 0.0, 0.0 },
31            vec2! { 100.0, 100.0 },
32            Colour::WHITE,
33            &render_handle,
34        );
35
36        self.material.add_screenspace_line(
37            vec2!(-1.0, 1.0),
38            vec2!(1.0, -1.0),
39            Colour::RED,
40            &render_handle,
41        );
42
43        self.material.draw(&mut render_handle);
44    }
45
46    fn update(&mut self, _engine_handle: &mut Engine) {}
47}