bloom/
bloom.rs

1//! Run `RUST_LOG=INFO cargo run --example vert --release` to run this example.
2
3use std::f32::consts::PI;
4
5use glam::{vec2, vec3};
6use vert::{
7    elements::{Color, Transform},
8    modules::{
9        batteries::{FlyCam, GraphicsSettingsController},
10        renderer::main_pass_renderer::text_renderer::DrawText,
11        DefaultDependencies, DefaultModules,
12    },
13    utils::Timing,
14    Module,
15};
16
17pub struct MyState {
18    blue_cubes: Vec<Transform>,
19    black_cubes: Vec<Transform>,
20    camera_orthographic: bool,
21    deps: DefaultDependencies,
22}
23
24impl Module for MyState {
25    type Config = ();
26
27    type Dependencies = DefaultDependencies;
28
29    fn new(_config: Self::Config, mut deps: Self::Dependencies) -> anyhow::Result<Self> {
30        let mut blue_cubes: Vec<Transform> = vec![];
31        let mut black_cubes: Vec<Transform> = vec![];
32
33        for x in 0..30 {
34            for y in 0..30 {
35                for z in 0..30 {
36                    let pos = vec3(
37                        x as f32 * 2.0 + 20.0 + (z as f32 * 0.1).sin() * 2.0,
38                        y as f32 * 2.0 - 30.0 + (z as f32).sin() * 2.0,
39                        z as f32 * 2.0 - 30.0 + ((x + y) % 2) as f32,
40                    );
41                    if (x + y) % 2 == 0 {
42                        blue_cubes.push(pos.into());
43                    } else {
44                        black_cubes.push(pos.into());
45                    };
46                }
47            }
48        }
49
50        // use a very high energy green to get a nice background bloom
51        deps.renderer.settings_mut().clear_color = Color::new(2.0, 8.0, 2.0);
52
53        Ok(MyState {
54            black_cubes,
55            blue_cubes,
56            camera_orthographic: false,
57            deps,
58        })
59    }
60
61    fn intialize(handle: vert::Handle<Self>) -> anyhow::Result<()> {
62        let mut scheduler = handle.deps.scheduler;
63        scheduler.register_update(handle, Timing::DEFAULT, Self::update);
64        Ok(())
65    }
66}
67
68impl MyState {
69    fn update(&mut self) {
70        // /////////////////////////////////////////////////////////////////////////////
71        // Draw some stuff (some things that are very bright)
72        // /////////////////////////////////////////////////////////////////////////////
73
74        let oscillator = ((self.deps.time.total().as_secs_f32() * 10.0).sin() + 1.0) / 2.0;
75        let oscillator2 = self.deps.time.total().as_secs_f32().sin() * 0.3;
76
77        // let the text face the camera
78        let text_rotation = {
79            let mut t = Transform::default();
80            t.rotate_y(-PI / 2.0);
81            t.position.y += 0.5;
82            t
83        };
84
85        self.deps.text.draw_world_text(
86            DrawText {
87                text: "Vert".into(),
88                font_layout_size: 100.0,
89                font_texture_size: 200.0,
90                max_width: Some(400.0),
91                color: Color::new(
92                    3.0 + oscillator * 10.0,
93                    3.0 + (1.0 - oscillator) * 10.0,
94                    3.0,
95                ),
96                ..Default::default()
97            },
98            text_rotation,
99        );
100
101        self.deps.text.draw_world_text(
102            DrawText {
103                text: "Game Engine".into(),
104                font_layout_size: 64.0,
105                font_texture_size: 200.0,
106                pos: vec2(0.0, 100.0),
107                max_width: Some(400.0),
108                color: Color::new(10.0, 1.0, 1.0),
109                ..Default::default()
110            },
111            text_rotation,
112        );
113
114        for c in self.blue_cubes.iter_mut() {
115            c.rotation.x = oscillator2;
116        }
117
118        self.deps
119            .color_mesh
120            .draw_cubes(&self.blue_cubes, Some(Color::from_hex("#02050d")));
121        self.deps
122            .color_mesh
123            .draw_cubes(&self.black_cubes, Some(Color::from_hex("#000000")));
124    }
125}
126
127fn main() {
128    let mut app = vert::AppBuilder::new();
129    app.add_plugin(DefaultModules);
130    app.add::<GraphicsSettingsController>();
131    app.add::<FlyCam>();
132    app.add::<MyState>();
133    _ = app.run();
134}
bloom/bloom.rs

bloom/
bloom.rs
