texture_atlas/
texture_atlas.rs

1extern crate est_render;
2
3use est_render::prelude::*;
4
5fn main() {
6    let mut runner = est_render::runner::new().expect("Failed to create runner");
7
8    let mut window = runner
9        .create_window("Clear Color Example", Point2::new(800, 600))
10        .build()
11        .expect("Failed to create window");
12
13    let mut gpu = est_render::gpu::new(Some(&mut window))
14        .build()
15        .expect("Failed to create GPU");
16
17    let texture_atlas = gpu
18        .create_texture_atlas()
19        .add_texture_file(
20            "example_texture",
21            "./examples/resources/test1.png",
22        )
23        .add_texture_file(
24            "example_texture2",
25            "./examples/resources/test2.png",
26        )
27        .build()
28        .expect("Failed to create texture atlas");
29
30    while runner.pool_events(None) {
31        for event in runner.get_events() {
32            match event {
33                Event::WindowClosed { .. } => {
34                    return;
35                }
36                _ => {}
37            }
38        }
39
40        if let Ok(mut cmd) = gpu.begin_command() {
41            if let Ok(mut gp) = cmd.begin_renderpass() {
42                gp.set_clear_color(Color::BLUEVIOLET);
43                gp.set_blend(0, Some(&BlendState::NONE));
44
45                if let Some(mut drawing) = gp.begin_drawing() {
46                    drawing.set_texture_atlas(Some((&texture_atlas, "example_texture")));
47                    drawing.draw_rect_image(
48                        Vector2::new(100.0, 100.0),
49                        Vector2::new(200.0, 200.0),
50                        Color::WHITE,
51                    );
52                    drawing.set_texture_atlas(Some((&texture_atlas, "example_texture2")));
53                    drawing.draw_rect_image(
54                        Vector2::new(350.0, 100.0),
55                        Vector2::new(200.0, 200.0),
56                        Color::WHITE,
57                    );
58                    drawing.draw_circle_image(Vector2::new(600.0, 200.0), 100.0, 20, Color::WHITE);
59                }
60            }
61        }
62    }
63}