Fix movement of tank

src/game.js

@@ -8,7 +8,23 @@ export class Game {
     }
 
     start() {
-        addEventListener("keydown", (ev) => this.gameKeyAdapter.handleEvent(ev));
+        let prevEv;
+        let holding = (ev) => {
+            if (!prevEv || prevEv.key != ev.key) return;
+            this.gameKeyAdapter.handleEvent(ev)
+            requestAnimationFrame(() => holding(ev));
+        }
+        addEventListener("keydown", (ev) => {
+            if (prevEv) {
+                if (prevEv.key != ev.key) prevEv = undefined;
+                else return;
+            }
+            prevEv = ev;
+            requestAnimationFrame(() => holding(ev));
+        });
+        addEventListener("keyup", (ev) => {
+           if (prevEv && prevEv.key == ev.key) prevEv = undefined;
+        });
         requestAnimationFrame(() => this.gameField.drawField());
     }
 }

src/playerTank.js

@@ -29,7 +29,7 @@ export class PlayerTank {
         }
         this.direction = direction;
 
-        console.log(this.x + " " + this.y);
+        // console.log(this.x + " " + this.y);
     }
 
     draw(tileset, ctx, tilesize) {