1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
use crate::font::BakedFont;
use crate::generated::fonts::{FONT_CHERRY_BOMB_ONE, FONT_GALMURI};
use sdl2::pixels::{Color, PixelFormatEnum};
use sdl2::rect::Rect;
use sdl2::render::{Canvas, Texture, TextureCreator};
use sdl2::surface::Surface;
use sdl2::video::{Window, WindowContext};
use std::ops::DerefMut;
pub fn render(
canvas: &mut Canvas<Window>,
texture_creator: &TextureCreator<WindowContext>,
time_seconds: f64,
) {
let movement_per_second = 0.5;
let i = ((time_seconds * 60.0) % 255.0).round() as u8;
canvas.set_draw_color(Color::RGB(12, 12, 12));
canvas.clear();
let mut offset: f32 = 0.0;
for c in "UwU-Space".chars() {
let char = FONT_CHERRY_BOMB_ONE.get_char(c);
canvas
.copy(
&char
.to_texture(&texture_creator, Color::RGB(255, i, 255 - i))
.unwrap(),
None,
char.to_rect(offset as i32 + 16, 16),
)
.unwrap();
offset += char.advance_width;
}
{
let mut sin_surface = Surface::new(512, 256, PixelFormatEnum::RGBA32).unwrap();
let w = sin_surface.width();
let h = sin_surface.height();
let f = &mut sin_surface.deref_mut().without_lock_mut().unwrap();
for x in 0..w {
let f64_w = f64::from(w);
let f64_h = f64::from(h);
let sin_x = {
let mut sin_x = f64::from(x) + ((time_seconds * movement_per_second) * f64_w);
if sin_x > f64_w {
sin_x = sin_x - f64_w;
}
sin_x
};
let sin_y =
((f64::sin(sin_x * (3.141 * 2.0) / f64_w) + 1.0) * (f64_h / 2.0)).floor() as usize;
// let sin_idx = (sin_y * w as usize + x as usize) * 4;
for y in 0..h {
let idx = (y * w + x) as usize * 4;
f[idx] = 122 - (x / 8) as u8;
f[idx + 1] = 255 - (x / 2) as u8;
f[idx + 2] = (x / 2) as u8;
f[idx + 3] = if sin_y < y as usize { 255 } else { 0 };
}
}
let sin_texture = Texture::from_surface(&sin_surface, &texture_creator).unwrap();
canvas
.copy(&sin_texture, None, Rect::new(0, 0, 512, 256))
.unwrap();
}
offset = 0.0;
for c in "Come to Cosin25 :3".chars() {
let char = FONT_GALMURI.get_char(c);
canvas
.copy(
&char
.to_texture(&texture_creator, Color::RGB(i, 64, 255 - i))
.unwrap(),
None,
char.to_rect(offset as i32 + 18, 16 + 36),
)
.unwrap();
offset += char.advance_width;
}
}
|
