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-rw-r--r--src/render.rs273
1 files changed, 160 insertions, 113 deletions
diff --git a/src/render.rs b/src/render.rs
index dbd3761..bd17e2b 100644
--- a/src/render.rs
+++ b/src/render.rs
@@ -8,6 +8,31 @@ use sdl2::surface::Surface;
use sdl2::video::{Window, WindowContext};
use std::ops::DerefMut;
+fn dvd_logo_offset(t: f64, screen_size_x: f64, screen_size_y: f64) -> (f64, f64) {
+ let offset_x = t % (screen_size_x * 2.0);
+ let offset_x = if offset_x > screen_size_x {
+ screen_size_x * 2.0 - offset_x
+ } else {
+ offset_x
+ };
+
+ let offset_y = t % (screen_size_y * 2.0);
+ let offset_y = if offset_y > screen_size_y {
+ screen_size_y * 2.0 - offset_y
+ } else {
+ offset_y
+ };
+
+ (offset_x, offset_y)
+}
+
+const START_UWUSPACE: f64 = 0.0;
+const START_BOUNCE: f64 = 0.5;
+const START_SIN: f64 = 1.5;
+const START_COMETOCOSIN: f64 = 2.5;
+const SCENE_GREETINGS: f64 = 20.0;
+const JUST_DVD: f64 = 70.0;
+
pub fn render(
canvas: &mut Canvas<Window>,
texture_creator: &TextureCreator<WindowContext>,
@@ -19,147 +44,169 @@ pub fn render(
} else {
i as u8
};
- let sin_offset = time_seconds * 0.1;
let win_size = canvas.window().drawable_size();
canvas.set_draw_color(Color::RGB(12, 12, 12));
canvas.clear();
- let mut offset: f32 = 0.0;
+ let is_dvd = time_seconds < SCENE_GREETINGS || time_seconds >= JUST_DVD;
- {
- let bounce_time_offset = 1.5;
- let bounce_speed = 90.0;
- let padding_x = 16.0;
- let padding_y = 16.0;
- let (offset_x, offset_y) = if time_seconds > bounce_time_offset {
- let mut uwu_width = padding_x;
- let mut uwu_height: f32 = padding_y * 2.0;
- for c in "UwU-Space".chars() {
- let char = FONT_CHERRY_BOMB_ONE.get_char(c);
- uwu_width += char.advance_width;
- if f32::from(char.height) > uwu_height {
- uwu_height = char.height.into();
+ if is_dvd {
+ let time_seconds = if time_seconds >= JUST_DVD {
+ time_seconds - JUST_DVD + 15.0
+ } else {
+ time_seconds
+ };
+ if time_seconds >= START_UWUSPACE {
+ let bounce_speed = 90.0;
+ let padding_x = 16.0;
+ let padding_y = 16.0;
+ let (offset_x, offset_y) = if time_seconds > START_BOUNCE {
+ let mut uwu_width = padding_x;
+ let mut uwu_height: f32 = padding_y;
+ for c in "UwU-Space".chars() {
+ let char = FONT_CHERRY_BOMB_ONE.get_char(c);
+ uwu_width += char.advance_width;
+ let nh = f32::from(char.height) + padding_y;
+ if nh > uwu_height {
+ uwu_height = nh;
+ }
}
- }
- let virtual_screen_size = (
- f64::from(win_size.0) - f64::from(uwu_width + padding_x),
- f64::from(win_size.1) - f64::from(uwu_height + padding_y),
- );
- let t = (time_seconds - bounce_time_offset) * bounce_speed;
- let offset_x = t % (virtual_screen_size.0 * 2.0);
- let offset_x = if offset_x > virtual_screen_size.0 {
- virtual_screen_size.0 * 2.0 - offset_x
+ let virtual_screen_size = (
+ f64::from(win_size.0) - (uwu_width + padding_x),
+ f64::from(win_size.1) - f64::from(uwu_height + padding_y),
+ );
+ let t = (time_seconds - START_BOUNCE) * bounce_speed;
+ let (offset_x, offset_y) = dvd_logo_offset(t, virtual_screen_size.0, virtual_screen_size.1);
+ (
+ (padding_x + offset_x).round() as i32,
+ (f64::from(padding_y) + offset_y).round() as i32,
+ )
} else {
- offset_x
+ (padding_x.round() as i32, padding_y.round() as i32)
};
+ let mut offset: f64 = 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(i, 64, 255 - i))
+ .unwrap(),
+ None,
+ char.to_rect(offset as i32 + offset_x, offset_y),
+ )
+ .unwrap();
+ offset += char.advance_width;
+ }
+ }
+ }
- let offset_y = t % (virtual_screen_size.1 * 2.0);
- let offset_y = if offset_y > virtual_screen_size.1 {
- virtual_screen_size.1 * 2.0 - offset_y
- } else {
- offset_y
- };
+ if time_seconds >= JUST_DVD {
+ //
+ } else if time_seconds >= SCENE_GREETINGS {
+ let mut offset = 0.0;
+ let mut rng = rand::thread_rng();
- (
- (f64::from(padding_x) + offset_x).round() as i32,
- (f64::from(padding_y) + offset_y).round() as i32,
- )
- } else {
- (padding_x.round() as i32, padding_y.round() as i32)
- };
- for c in "UwU-Space".chars() {
- let char = FONT_CHERRY_BOMB_ONE.get_char(c);
+ for c in "sorry for shit invite we have adhd".chars() {
+ let char = FONT_GALMURI.get_char(c);
canvas
.copy(
&char
- .to_texture(&texture_creator, Color::RGB(i, 64, 255 - i))
+ .to_texture(texture_creator, Color::RGB(i, 64, 255 - i))
.unwrap(),
None,
- char.to_rect(offset as i32 + offset_x, offset_y),
+ char.to_rect(
+ offset as i32 + 18 + rng.gen_range(-2..2),
+ win_size.1 as i32 - 24 + rng.gen_range(-2..2),
+ ),
)
.unwrap();
offset += char.advance_width;
}
- }
-
- offset = 0.0;
- let mut rng = rand::thread_rng();
-
- for c in "sorry for shit invite we have adhd".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 + rng.gen_range(-2..2),
- 16 + 36 + rng.gen_range(-2..2),
- ),
- )
- .unwrap();
- offset += char.advance_width / 1.0;
- }
-
- {
- 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();
+ } else {
+ if time_seconds >= START_SIN {
+ let time_seconds = time_seconds - START_SIN;
+ let base_sin_offset = time_seconds * 0.1;
+ let sin_offset = base_sin_offset - 0.75;
+ let mut sin_surface = Surface::new(win_size.0, win_size.1, PixelFormatEnum::RGBA32).unwrap();
- for x in 0..w {
+ let w = win_size.0;
+ let h = win_size.1;
let f64_w = f64::from(w);
let f64_h = f64::from(h);
- let sin_x = {
- let mut sin_x = f64::from(x) + (sin_offset * 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 {
- if idx % 5 == 0 {
- 255
- } else {
- 122
+ let f = &mut sin_surface.deref_mut().without_lock_mut().unwrap();
+
+ let min_x_pos = (if base_sin_offset > 1.0 {
+ 0.0
+ } else {
+ 1.0 - base_sin_offset
+ }) * f64_w;
+
+ for x in 0..w {
+ let f64_x = f64::from(x);
+ let out_of_frame = f64_x < min_x_pos;
+ let sin_x = {
+ let mut sin_x = f64_x + (sin_offset * f64_w);
+ if sin_x > f64_w {
+ sin_x -= f64_w;
}
- } else {
- 0
+ 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;
+ let cx = x * 512 / w;
+ f[idx] = (122 - (cx / 8)) as u8;
+ f[idx + 1] = (255 - (cx / 2)) as u8;
+ f[idx + 2] = (cx / 2) as u8;
+ f[idx + 3] = if out_of_frame {
+ 0
+ } else if sin_y < y as usize {
+ let v: u16 = if idx % 5 == 0 { 255 } else { 122 };
+ let v = if (sin_y + 3) < (y as usize) {
+ v
+ } else {
+ v * 2 / 3
+ };
+ v as u8
+ } else {
+ 0
+ };
+ }
}
- }
- let sin_texture = Texture::from_surface(&sin_surface, &texture_creator).unwrap();
+ let sin_texture = Texture::from_surface(&sin_surface, texture_creator).unwrap();
- canvas
- .copy(&sin_texture, None, Rect::new(0, 0, win_size.0, win_size.1))
- .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, win_size.1 as i32 - 32),
- )
- .unwrap();
- offset += char.advance_width / 1.1;
+ canvas
+ .copy(&sin_texture, None, Rect::new(0, 0, win_size.0, win_size.1))
+ .unwrap();
+ }
+ if time_seconds >= START_COMETOCOSIN {
+ let time_seconds = time_seconds - START_COMETOCOSIN;
+ let wrap_width = f64::from(win_size.0);
+ let mut offset = (18.0 + (time_seconds * 32.0)) % wrap_width;
+ // WARNING: we wrap this! if the text is wider than the window, this whole thing falls apart
+ 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, win_size.1 as i32 - 32),
+ )
+ .unwrap();
+ offset += char.advance_width;
+ if offset > wrap_width {
+ offset -= wrap_width;
+ }
+ }
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 16:47:40 +0000