movement

src/main.rs

@@ -120,11 +120,21 @@ impl Game {
             preview: SideMatrix::new(4, 20),
             piece: Piece::new(20),
             drop_timer: 0.0,
-            drop_interval: 0.2,
+            drop_interval: 1.0,
         }
     }
 
     fn update(&mut self, dt: f32) {
+        if is_key_pressed(KeyCode::A) {
+            self.move_piece(-1, 0);
+        }
+        if is_key_pressed(KeyCode::D) {
+            self.move_piece(1, 0);
+        }
+        if is_key_pressed(KeyCode::S) {
+            self.drop_piece(); // sd
+        }
+    
         self.drop_timer += dt;
 
         if self.drop_timer >= self.drop_interval {
@@ -149,6 +159,20 @@ impl Game {
             self.matrix.cells[self.piece.y as usize][self.piece.x as usize] = true;
         }
     }
+
+    fn move_piece(&mut self, dx: i32, dy: i32) {
+        let next_x = self.piece.x + dx;
+        let next_y = self.piece.y + dy;
+
+        if next_x >= 0 && next_x < self.matrix.width as i32 {
+            if next_y >= 0 && next_y < self.matrix.height as i32 {
+                if !self.matrix.cells[next_y as usize][next_x as usize] {
+                    self.piece.x = next_x;
+                    self.piece.y = next_y;
+                }
+            }
+        }
+    }
 }
 
 #[macroquad::main("tetrus")]