init

2025-06-01 14:57:53 -05:00
commit cd605b9b4b
4 changed files with 336 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -0,0 +1,199 @@
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--- a/Cargo.toml
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "game-of-life"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+rand = "0.9.1"
+sdl2 = "0.37.0"
--- a/src/main.rs
+++ b/src/main.rs
@@ -0,0 +1,128 @@
+extern crate sdl2;
+
+use sdl2::pixels::Color;
+use sdl2::event::Event;
+use sdl2::keyboard::Keycode;
+use sdl2::rect::{Rect};
+use std::time::Duration;
+
+use rand::Rng;
+
+fn iterate_game(grid: &mut Vec<Vec<i32>>, grid2: &mut Vec<Vec<i32>>, cols: &i32, rows: &i32){
+    let mut i:i32=0;
+    while i < *cols{
+        let mut j:i32=0;
+        while j < *rows{
+            let state=grid[i as usize][j as usize];
+            let mut sum = 0;
+
+            for k in -1..2{
+                for l in -1..2{
+                    let col: i32 = (i + k + cols) % cols;
+                    let row: i32 = (j + l + rows) % rows;
+                    sum = sum + grid[col as usize][row as usize];
+                }
+            }
+
+            sum = sum - state;
+
+            if state==0&&sum==3 {
+                grid2[i as usize][j as usize]=1;
+            } else if state==1&&(sum<2 || sum>3) {
+                grid2[i as usize][j as usize]=0;
+            } else {
+                grid2[i as usize][j as usize]=state;
+            }
+
+            j += 1;
+        }
+        i += 1;
+    }
+
+    let mut i:i32=0;
+    while i < *cols{
+        let mut j:i32=0;
+        while j < *rows{
+            grid[i as usize][j as usize]=grid2[i as usize][j as usize];
+            j += 1;
+        }
+        i += 1;
+    }
+}
+
+
+fn draw(canvas: &mut sdl2::render::WindowCanvas, cols: &i32, rows: &i32, boxsize: &i32, grid: &mut Vec<Vec<i32>>, grid2: &mut Vec<Vec<i32>>){
+    canvas.set_draw_color(Color::RGB(0,0,0));
+    canvas.clear();
+
+    for (i, vec) in grid.iter().enumerate(){
+        for (j, num) in vec.iter().enumerate(){
+            if *num==1 {
+                //putRectRGB(renderer,i*boxsize,j*boxsize,boxsize-1,150,50,255);
+                canvas.set_draw_color(Color::RGB(150,50,255));
+                let x: i32= i as i32 * *boxsize;
+                let y: i32= j as i32 * *boxsize;
+                canvas.fill_rect(Rect::new(x, y, *boxsize as u32 -1, *boxsize as u32-1));
+            }
+        }
+	}
+    iterate_game(grid,grid2,cols,rows);
+
+    canvas.present();
+}
+
+
+
+fn main() {
+    let sdl2_context = sdl2::init().unwrap();
+    let video_subsystem = sdl2_context.video().unwrap();
+
+
+    let width: u32=1900;
+    let height: u32=1100;
+
+    let window = video_subsystem.window("game of life", width, height)
+        .position_centered()
+        .build()
+        .unwrap();
+
+    let mut canvas = window.into_canvas().build().unwrap();
+
+
+	let boxsize:i32=15;
+	let cols:i32=width as i32/boxsize;
+	let rows:i32=height as i32/boxsize;
+
+    let mut grid: Vec<Vec<i32>> = vec![vec![0; rows as usize]; cols as usize];
+    let mut grid2: Vec<Vec<i32>> = vec![vec![0; rows as usize]; cols as usize];
+
+
+    let mut rng = rand::rng();
+
+    for vec in &mut grid{
+        for num in vec{
+            *num = rng.random_range(0..2);
+        }
+    }
+
+
+	draw(&mut canvas,&cols,&rows,&boxsize,&mut grid,&mut grid2);
+
+
+    let mut event_pump = sdl2_context.event_pump().unwrap();
+    'running: loop {
+        draw(&mut canvas,&cols,&rows,&boxsize,&mut grid,&mut grid2);
+        for event in event_pump.poll_iter() {
+            match event {
+                Event::Quit {..} |
+                Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
+                    break 'running
+                },
+                _ => {}
+            }
+        }
+        // The rest of the game loop goes here...
+
+        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
+    }
+}