text/
text.rs

1use bottomless_pit::colour::Colour;
2use bottomless_pit::engine_handle::{Engine, EngineBuilder};
3use bottomless_pit::input::MouseKey;
4use bottomless_pit::render::RenderHandle;
5use bottomless_pit::resource::{LoadingOp, ResourceId};
6use bottomless_pit::text::{Font, TextMaterial};
7use bottomless_pit::vec2;
8use bottomless_pit::vectors::Vec2;
9use bottomless_pit::Game;
10
11fn main() {
12    let mut engine = EngineBuilder::new().build().unwrap();
13
14    let comic = Font::new("examples/Comic.ttf", &mut engine, LoadingOp::Blocking);
15    let text_mat = TextMaterial::new("this is a test", Colour::RED, 0.5, 0.5 * 1.3);
16
17    let text_example = TextExample {
18        text_mat,
19        comic,
20        font_size: 0.5,
21    };
22
23    engine.run(text_example);
24}
25
26struct TextExample {
27    text_mat: TextMaterial,
28    comic: ResourceId<Font>,
29    font_size: f32,
30}
31
32impl Game for TextExample {
33    fn render<'o>(&'o mut self, mut render: RenderHandle<'o>) {
34        let mut render_handle = render.begin_pass(Colour::BLACK);
35
36        self.text_mat
37            .add_instance(vec2! { 0.0 }, Colour::WHITE, &render_handle);
38        self.text_mat.add_instance_with_rotation(
39            Vec2 { x: 100.0, y: 0.0 },
40            Colour::WHITE,
41            45.0,
42            &render_handle,
43        );
44
45        self.text_mat.draw(&mut render_handle);
46    }
47
48    fn update(&mut self, engine_handle: &mut Engine) {
49        self.font_size += 2.0 * engine_handle.get_frame_delta_time();
50
51        self.text_mat.set_font_size(self.font_size, engine_handle);
52        self.text_mat
53            .set_line_height(self.font_size * 1.3, engine_handle);
54
55        if engine_handle.is_mouse_key_pressed(MouseKey::Left) {
56            self.text_mat.set_text_with_font(
57                "hello I am talking to you here???",
58                Colour::GREEN,
59                &self.comic,
60                engine_handle,
61            );
62        }
63
64        self.text_mat.prepare(engine_handle);
65    }
66}
text/text.rs

text/
text.rs
