add particles

1 files changed, 44 insertions, 3 deletions

diff --git a/src/engine/entities/LockedDoor.ts b/src/engine/entities/LockedDoor.ts
index 5e364b8..b4887d6 100644
--- a/src/engine/entities/LockedDoor.ts
+++ b/src/engine/entities/LockedDoor.ts
@@ -1,7 +1,16 @@
-import { Entity, EntityNames } from ".";
-import { BoundingBox, Colliding, Grid, Sprite } from "../components";
+import { Entity, EntityNames, Particles } from ".";
+import { Game } from "..";
+import {
+  BoundingBox,
+  Colliding,
+  Grid,
+  Sprite,
+  ComponentNames,
+} from "../components";
 import { IMAGES, SPRITE_SPECS, SpriteSpec, Sprites } from "../config";
 import { Coord2D } from "../interfaces";
+import { Grid as GridSystem, SystemNames } from "../systems";
+import { colors } from "../utils";
 
 export class LockedDoor extends Entity {
   private static spriteSpec: SpriteSpec = SPRITE_SPECS.get(
@@ -13,7 +22,7 @@ export class LockedDoor extends Entity {
 
     this.addComponent(new Grid(gridPosition));
 
-    this.addComponent(new Colliding());
+    this.addComponent(new Colliding(this.handleCollision.bind(this)));
 
     this.addComponent(
       new BoundingBox(
@@ -42,4 +51,36 @@ export class LockedDoor extends Entity {
       ),
     );
   }
+
+  private handleCollision(game: Game, entity: Entity) {
+    if (entity.name !== EntityNames.Key) {
+      return;
+    }
+
+    game.removeEntity(this.id);
+    game.removeEntity(entity.id);
+
+    const grid = this.getComponent<Grid>(ComponentNames.Grid);
+    const gridSystem = game.getSystem<GridSystem>(SystemNames.Grid);
+    const { dimension } = gridSystem;
+    const particles = new Particles({
+      center: gridSystem.gridToScreenPosition(grid.gridPosition),
+      spawnerDimensions: {
+        width: dimension.width / 2,
+        height: dimension.height / 2,
+      },
+      particleCount: 20,
+      spawnerShape: "rectangle",
+      particleShape: "rectangle",
+      particleMeanSpeed: 0.35,
+      particleSpeedVariance: 0.15,
+      particleMeanLife: 80,
+      particleMeanSize: 3,
+      particleSizeVariance: 1,
+      particleLifeVariance: 20,
+      particleColors: [colors.yellow, colors.lightYellow],
+    });
+
+    game.addEntity(particles);
+  }
 }