sand!!

uscope/src/main.rs

@@ -1,3 +1,38 @@
+use petri::{Cell, Dish, CHUNK_SIZE};
+
 fn main() {
-	println!("Hello, world!");
+	let mut dish = Dish::new();
+	loop {
+		for _ in 0..1000 {
+			dish.fire_blindly();
+		}
+		print_dish(&dish);
+		wait_for_input()
+	}
+}
+
+fn print_dish(dish: &Dish) {
+	for y in 0..(CHUNK_SIZE / 2) {
+		for x in 0..CHUNK_SIZE {
+			render_pixel_pair(dish, x, y);
+		}
+		println!();
+	}
+	println!();
+}
+
+fn render_pixel_pair(dish: &Dish, x: usize, y: usize) {
+	let a = dish.get_cell(x, y * 2) != Some(Cell::EMPTY);
+	let b = dish.get_cell(x, y * 2 + 1) != Some(Cell::EMPTY);
+	let char = match (a, b) {
+		(false, false) => " ",
+		(false, true) => "▄",
+		(true, false) => "▀",
+		(true, true) => "█",
+	};
+	print!("{}", char);
+}
+
+pub fn wait_for_input() {
+	std::io::stdin().read_line(&mut String::new()).unwrap();
 }