add particles

1 files changed, 18 insertions, 0 deletions

diff --git a/src/engine/systems/Life.ts b/src/engine/systems/Life.ts
new file mode 100644
index 0000000..f454437
--- /dev/null
+++ b/src/engine/systems/Life.ts
@@ -0,0 +1,18 @@
+import { System, SystemNames } from ".";
+import { Game } from "..";
+import { Life as LifeComponent, ComponentNames } from "../components";
+
+export class Life extends System {
+  constructor() {
+    super(SystemNames.Life);
+  }
+
+  public update(_dt: number, game: Game) {
+    game.forEachEntityWithComponent(ComponentNames.Life, (entity) => {
+      const life = entity.getComponent<LifeComponent>(ComponentNames.Life);
+      if (!life.alive) {
+        game.removeEntity(entity.id);
+      }
+    });
+  }
+}