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authorLibravatarLarge Libravatar memdmp <memdmpmemewarenet>2025-01-15 22:28:27 +0100
committerLibravatarLarge Libravatar memdmp <memdmpmemewarenet>2025-01-15 22:28:27 +0100
commitdcc9baa255438bb0502918c2c581bed5f9e77d09 (patch)
treef00a2c43a8ffeb9e8972e60173fbc1ab3d624a44
parent4bc7eb4014ac32558e1eef8d3a43a5f5a80207e2 (diff)
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feat: render.rs

-rw-r--r--src/main.rs84
-rw-r--r--src/render.rs87
2 files changed, 92 insertions, 79 deletions
diff --git a/src/main.rs b/src/main.rs
index 50320b7..29760d3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,18 +2,12 @@ extern crate sdl2;
mod font;
pub mod generated;
+mod render;
-use font::BakedFont;
-use generated::fonts::{FONT_CHERRY_BOMB_ONE, FONT_GALMURI};
-use sdl2::event::Event;
-use sdl2::keyboard::Keycode;
-use sdl2::pixels::{Color, PixelFormatEnum};
-use sdl2::rect::Rect;
-use sdl2::render::Texture;
-use sdl2::surface::Surface;
-use std::ops::DerefMut;
use std::time::{Duration, SystemTime};
+use sdl2::{event::Event, keyboard::Keycode};
+
pub fn main() {
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
@@ -30,86 +24,17 @@ pub fn main() {
canvas.clear();
canvas.present();
let mut event_pump = sdl_context.event_pump().unwrap();
- let mut i = 0;
// amount to incr sin_offset by per frame
let start_time = SystemTime::now();
- let movement_per_second = 0.5;
'running: loop {
let time = SystemTime::now()
.duration_since(start_time)
.expect("Time went back between frames");
let time = f64::from(time.as_millis() as u32) / 1000.0;
- i = (i + 1) % 255;
-
- 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(i, 64, 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 * 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;
+ render::render(&mut canvas, &texture_creator, time);
- 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;
- }
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
@@ -120,6 +45,7 @@ pub fn main() {
_ => {}
}
}
+
// The rest of the game loop goes here...
canvas.present();
::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 12000));
diff --git a/src/render.rs b/src/render.rs
new file mode 100644
index 0000000..981bdd0
--- /dev/null
+++ b/src/render.rs
@@ -0,0 +1,87 @@
+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;
+ }
+}