3d_arcs/
3d-arcs.rs

1use blinksy::{
2    layout::{Layout3d, Shape3d, Vec3},
3    layout3d,
4    patterns::noise::{noise_fns, Noise3d, NoiseParams},
5    ControlBuilder,
6};
7use blinksy_desktop::{
8    driver::{Desktop, DesktopError},
9    time::elapsed_in_ms,
10};
11use core::f32::consts::PI;
12use std::{thread::sleep, time::Duration};
13
14layout3d!(
15    /// Five half-arches stepping through z ∈ [-1, 1]
16    TunnelLayout,
17    [
18        // Perfect semi-circle (apex at y = 0)
19        Shape3d::Arc {
20            center: Vec3::new(0., -1., -1.),
21            axis_u: Vec3::new(1., 0., 0.),
22            axis_v: Vec3::new(0., 1., 0.), // v_radius = 1.0 (circle)
23            start_angle_in_radians: 0.0,
24            end_angle_in_radians: PI,
25            pixel_count: 60,
26        },
27        Shape3d::Arc {
28            center: Vec3::new(0., -1., -0.5),
29            axis_u: Vec3::new(1., 0., 0.),
30            axis_v: Vec3::new(0., 1.25, 0.), // v_radius = 1.25
31            start_angle_in_radians: 0.0,
32            end_angle_in_radians: PI,
33            pixel_count: 68,
34        },
35        Shape3d::Arc {
36            center: Vec3::new(0., -1., 0.),
37            axis_u: Vec3::new(1., 0., 0.),
38            axis_v: Vec3::new(0., 1.5, 0.), // v_radius = 1.5
39            start_angle_in_radians: 0.0,
40            end_angle_in_radians: PI,
41            pixel_count: 76,
42        },
43        Shape3d::Arc {
44            center: Vec3::new(0., -1., 0.5),
45            axis_u: Vec3::new(1., 0., 0.),
46            axis_v: Vec3::new(0., 1.75, 0.), // v_radius = 1.75
47            start_angle_in_radians: 0.0,
48            end_angle_in_radians: PI,
49            pixel_count: 84,
50        },
51        // Tall elliptical arch, apex reaches y = +1
52        Shape3d::Arc {
53            center: Vec3::new(0., -1., 1.),
54            axis_u: Vec3::new(1., 0., 0.),
55            axis_v: Vec3::new(0., 2., 0.), // v_radius = 2.0 (ellipse)
56            start_angle_in_radians: 0.0,
57            end_angle_in_radians: PI,
58            pixel_count: 93,
59        },
60    ]
61);
62
63fn main() {
64    Desktop::new_3d::<TunnelLayout>().start(|driver| {
65        let mut control = ControlBuilder::new_3d()
66            .with_layout::<TunnelLayout, { TunnelLayout::PIXEL_COUNT }>()
67            .with_pattern::<Noise3d<noise_fns::Perlin>>(NoiseParams {
68                ..Default::default()
69            })
70            .with_driver(driver)
71            .with_frame_buffer_size::<{ TunnelLayout::PIXEL_COUNT }>()
72            .build();
73
74        loop {
75            if let Err(DesktopError::WindowClosed) = control.tick(elapsed_in_ms()) {
76                break;
77            }
78            sleep(Duration::from_millis(16));
79        }
80    });
81}
3d_arcs/3d-arcs.rs

3d_arcs/
3d-arcs.rs
