wasm

packages/solver-r/src/lib.rs

@@ -0,0 +1,69 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn greet() {
+    alert("Hello, wasm-game-of-life!");
+}
+
+#[derive(Copy, Clone)]
+pub struct Point {
+    x: i8,
+    y: i8,
+}
+
+#[wasm_bindgen]
+#[derive(Copy, Clone)]
+pub enum Cell {
+    Empty,
+    Color1,
+    Color2,
+    Color3,
+    Color4,
+    Color5,
+}
+
+#[wasm_bindgen]
+pub struct Grid {
+    width: i8,
+    height: i8,
+    cells: Vec<Cell>,
+}
+
+#[wasm_bindgen]
+impl Grid {
+    pub fn create(width: i8, height: i8) -> Grid {
+        let cells = (0..width * height).map(|_| Cell::Empty).collect();
+
+        Grid {
+            width,
+            height,
+            cells,
+        }
+    }
+}
+
+type Snake = [Point; 5];
+
+pub fn get_index(grid: &Grid, x: i8, y: i8) -> usize {
+    return (x * grid.height + y) as usize;
+}
+
+// pub fn setCell(grid:&Grid,x:i8,y:i8,c:Cell) {
+//     // grid.data[getIndex(grid,x,y)]=c;
+// }
+
+pub fn get_cell(grid: &Grid, p: &Point) -> Cell {
+    let i = get_index(grid, p.x, p.y);
+
+    return grid.cells[i];
+}
+
+#[test]
+fn it_works() {
+    assert_eq!(2 + 2, 4);
+}