Initial commit

common/systems/movement_system.ts

@@ -0,0 +1,19 @@
+import { System, World } from "$/common/ecs/mod.ts";
+import { Position } from "$/common/components/position.ts";
+import { Velocity } from "$/common/components/velocity.ts";
+
+export class MovementSystem extends System {
+	update(world: World, delta: number): void {
+		for (const entity of world.get_entities()) {
+			const position = entity.get(Position);
+			const velocity = entity.get(Velocity);
+
+			if (position && velocity) {
+				position.x += velocity.vx * delta;
+				position.y += velocity.vy * delta;
+				position.x = Math.round(position.x);
+				position.y = Math.round(position.y);
+			}
+		}
+	}
+}