enemy projectile

assets/Data/GameSettings.json

@@ -135,6 +135,15 @@
         }
     },
     "enemyManager": {
+        "projectileLauncher1": {
+            "enemyIds": [
+                "BasicEnemy"
+            ],
+            "projectileLifetime": 10,
+            "projectileSpeed": 150,
+            "projectileDamage": 1,
+            "cooldown": 10
+        },
         "enemies": [
             {
                 "id": "BasicEnemy",

assets/Media/Prefabs/Game/Projectiles/EnemyProjectile.prefab

@@ -0,0 +1,197 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "EnemyProjectile",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "persistent": false,
+    "asyncLoadAssets": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "EnemyProjectile",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 2
+      },
+      {
+        "__id__": 4
+      },
+      {
+        "__id__": 6
+      },
+      {
+        "__id__": 8
+      }
+    ],
+    "_prefab": {
+      "__id__": 10
+    },
+    "_lpos": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_lrot": {
+      "__type__": "cc.Quat",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 1
+    },
+    "_lscale": {
+      "__type__": "cc.Vec3",
+      "x": 2,
+      "y": 2,
+      "z": 1
+    },
+    "_layer": 33554432,
+    "_euler": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.UITransform",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 3
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 26,
+      "height": 8
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "baF+RbIRdMqqYdGWVAqM48"
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 5
+    },
+    "_customMaterial": null,
+    "_srcBlendFactor": 2,
+    "_dstBlendFactor": 4,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 0,
+      "b": 0,
+      "a": 255
+    },
+    "_spriteFrame": {
+      "__uuid__": "6826a961-a189-448f-adf7-d3795b2439b2@f9941",
+      "__expectedType__": "cc.SpriteFrame"
+    },
+    "_type": 0,
+    "_fillType": 0,
+    "_sizeMode": 1,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_useGrayscale": false,
+    "_atlas": null,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "46qOXlbU5GmbOpfjiX4jGV"
+  },
+  {
+    "__type__": "cc.CircleCollider2D",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 7
+    },
+    "tag": 0,
+    "_group": 64,
+    "_density": 1,
+    "_sensor": false,
+    "_friction": 0.2,
+    "_restitution": 0,
+    "_offset": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_radius": 13,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "7cR5oa68RG/oqkiwJ9HQ3X"
+  },
+  {
+    "__type__": "6a24eYAhmtMDZo5Wb8iLC5Q",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 9
+    },
+    "collider": {
+      "__id__": 6
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "a81ki8NjhA4KniWAiobzy2"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "26opAI9A5IGabbGPZh6QDI"
+  }
+]

assets/Media/Prefabs/Game/Projectiles/EnemyProjectile.prefab.meta

@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.40",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "01948a38-ee6f-4cd8-8a55-9b518e72c5f3",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "EnemyProjectile"
+  }
+}

assets/Scripts/Game/Collision/PlayerCollisionSystem.ts

@@ -7,6 +7,7 @@ import { Gold } from "../Items/Gold/Gold";
 import { HealthPotion } from "../Items/HealthPotion/HealthPotion";
 import { ItemManager } from "../Items/ItemManager";
 import { XP } from "../Items/XP/XP";
+import { Projectile } from "../Projectile/Projectile";
 import { Enemy } from "../Unit/Enemy/Enemy";
 import { Player } from "../Unit/Player/Player";
 
@@ -27,6 +28,7 @@ export class PlayerCollisionSystem {
         this.collisionTimer = new GameTimer(collisionDelay);
 
         this.groupToResolver.set(GroupType.ENEMY, this.resolveEnemyContact.bind(this));
+        this.groupToResolver.set(GroupType.ENEMY_PROJECTILE, this.resolveEnemyProjectileContact.bind(this));
         this.groupToResolver.set(GroupType.XP, this.resolveXpContact.bind(this));
         this.groupToResolver.set(GroupType.GOLD, this.resolveGoldContact.bind(this));
         this.groupToResolver.set(GroupType.HEALTH_POTION, this.resolveHealthPotionContact.bind(this));
@@ -75,6 +77,15 @@ export class PlayerCollisionSystem {
         this.player.Health.damage(damage);
     }
 
+    private resolveEnemyProjectileContact(enemyCollider: Collider2D): void {
+        const projectile = enemyCollider.node.getComponent(Projectile);
+        const damage: number = projectile.Damage;
+        projectile.pierce();
+        console.log("Collided with enemy projectile: Damage: " + damage);
+
+        this.player.Health.damage(damage);
+    }
+
     private resolveXpContact(xpCollider: Collider2D): void {
         console.log("Collided with XP");
         this.itemManager.pickupXP(xpCollider.node.getComponent(XP));

assets/Scripts/Game/Data/GameSettings.ts

@@ -1,3 +1,5 @@
+import { EnemyProjectileLauncher } from "../Unit/Enemy/ProjectileLauncher.cs/EnemyProjectileLauncher";
+
 export class GameSettings {
     public player: PlayerSettings = new PlayerSettings();
     public upgrades: UpgradeSettings = new UpgradeSettings();
@@ -34,6 +36,14 @@ export class HaloLauncherSettings {
     public launcher = new ProjectileLauncherSettings();
 }
 
+export class EnemyLauncherSettings {
+    public enemyIds: string[] = [];
+    public projectileLifetime = 0;
+    public projectileSpeed = 0;
+    public projectileDamage = 0;
+    public cooldown = 0;
+}
+
 export class ProjectileLauncherSettings {
     public projectileLifetime = 0;
     public projectileSpeed = 0;
@@ -66,6 +76,7 @@ export class MetaUpgradeSettings {
 }
 
 export class EnemyManagerSettings {
+    public projectileLauncher1 = new EnemyLauncherSettings();
     public enemies: EnemySettings[] = [new EnemySettings()];
     public periodicFollowMovers: PeriodicFollowMoverSettings[] = [new PeriodicFollowMoverSettings()];
     public individualEnemySpawners: IndividualEnemySpawnerSettings[] = [new IndividualEnemySpawnerSettings()];

assets/Scripts/Game/Game.ts

@@ -26,6 +26,7 @@ import { ProjectileData } from "./Unit/Player/ProjectileLauncher/ProjectileData"
 import { WaveProjectileLauncher } from "./Unit/Player/ProjectileLauncher/WaveProjectileLauncher";
 import { Upgrader } from "./Upgrades/Upgrader";
 import { MetaUpgradeType } from "./Upgrades/UpgradeType";
+import { EnemyProjectileLauncher } from "./Unit/Enemy/ProjectileLauncher.cs/EnemyProjectileLauncher";
 
 const { ccclass, property } = _decorator;
 
@@ -36,6 +37,7 @@ export class Game extends Component {
     @property(ProjectileLauncher) private haloProjectileLauncherComponent: ProjectileLauncher;
     @property(ProjectileLauncher) private horizontalProjectileLauncherComponent: ProjectileLauncher;
     @property(ProjectileLauncher) private diagonalProjectileLauncherComponent: ProjectileLauncher;
+    @property(ProjectileLauncher) private enemyProjectileLauncherComponent: ProjectileLauncher;
     @property(EnemyManager) private enemyManager: EnemyManager;
     @property(ItemManager) private itemManager: ItemManager;
     @property(Camera) private camera: Camera;
@@ -49,6 +51,8 @@ export class Game extends Component {
     private horizontalProjectileLauncher: WaveProjectileLauncher;
     private diagonalProjectileLauncher: WaveProjectileLauncher;
 
+    private enemyProjectileLauncher: EnemyProjectileLauncher;
+
     private gamePauser: Pauser = new Pauser();
 
     private static instance: Game;
@@ -112,6 +116,13 @@ export class Game extends Component {
             projectileData
         );
 
+        this.enemyProjectileLauncher = new EnemyProjectileLauncher(
+            this.enemyProjectileLauncherComponent,
+            this.player.node,
+            this.enemyManager,
+            settings.enemyManager.projectileLauncher1
+        );
+
         new PlayerProjectileCollisionSystem([this.haloProjectileLauncher, this.horizontalProjectileLauncher, this.diagonalProjectileLauncher]);
 
         const upgrader = new Upgrader(
@@ -150,6 +161,7 @@ export class Game extends Component {
         this.haloProjectileLauncher.gameTick(deltaTime);
         this.horizontalProjectileLauncher.gameTick(deltaTime);
         this.diagonalProjectileLauncher.gameTick(deltaTime);
+        this.enemyProjectileLauncher.gameTick(deltaTime);
         this.background.gameTick();
 
         this.timeAlive += deltaTime;

assets/Scripts/Game/Unit/Enemy/ProjectileLauncher.cs/EnemyProjectileLauncher.ts

@@ -1,30 +1,54 @@
 import { Vec3, Node, Vec2 } from "cc";
 import { GameTimer } from "../../../../Services/GameTimer";
+import { EnemyLauncherSettings } from "../../../Data/GameSettings";
 import { ProjectileLauncher } from "../../Player/ProjectileLauncher/ProjectileLauncher";
 import { Enemy } from "../Enemy";
 import { EnemyManager } from "../EnemyManager";
 
 export class EnemyProjectileLauncher {
-    private enemies: Enemy[] = [];
-    private shootTimer: GameTimer = new GameTimer(3);
+    private enemyToTimer = new Map<Enemy, GameTimer>();
+    private cooldown: number;
+    private enemyIds: string[];
 
-    public constructor(private playerNode: Node, private projectileLauncher: ProjectileLauncher, enemyManager: EnemyManager) {
+    public constructor(
+        private projectileLauncher: ProjectileLauncher,
+        private playerNode: Node,
+        enemyManager: EnemyManager,
+        settings: EnemyLauncherSettings
+    ) {
         enemyManager.EnemyAddedEvent.on(this.tryAddEnemy, this);
         enemyManager.EnemyRemovedEvent.on(this.tryRemoveEnemy, this);
+
+        this.cooldown = settings.cooldown;
+        this.enemyIds = settings.enemyIds;
+        projectileLauncher.init(settings.projectileLifetime, settings.projectileSpeed, settings.projectileDamage, 1);
     }
 
     private tryAddEnemy(enemy: Enemy): void {
-        if (enemy.Id == "BasicEnemy") {
-            this.enemies.push();
+        if (this.enemyIds.includes(enemy.Id)) {
+            this.enemyToTimer.set(enemy, new GameTimer(this.cooldown));
         }
     }
 
     private tryRemoveEnemy(enemy: Enemy): void {
-        if (enemy.Id == "BasicEnemy") {
-            const index = this.enemies.indexOf(enemy);
-            this.enemies.splice(index, 1);
-        }
+        if (!this.enemyToTimer.has(enemy)) return;
+
+        this.enemyToTimer.delete(enemy);
     }
 
-    public gameTick(deltaTime: number): void {}
+    public gameTick(deltaTime: number): void {
+        this.projectileLauncher.gameTick(deltaTime);
+
+        for (const enemyAndTimerPair of this.enemyToTimer) {
+            const enemyWorldPosition: Vec3 = enemyAndTimerPair[0].node.worldPosition;
+            const shootTimer: GameTimer = enemyAndTimerPair[1];
+
+            shootTimer.gameTick(deltaTime);
+            if (shootTimer.tryFinishPeriod()) {
+                let direction: Vec3 = new Vec3();
+                direction = Vec3.subtract(direction, this.playerNode.worldPosition, enemyWorldPosition);
+                this.projectileLauncher.fireProjectiles(enemyWorldPosition, [new Vec2(direction.x, direction.y)]);
+            }
+        }
+    }
 }

assets/Scripts/Game/Unit/Player/ProjectileLauncher/ProjectileLauncher.ts

@@ -51,6 +51,7 @@ export class ProjectileLauncher extends Component implements IProjectileCollisio
     }
 
     private fireProjectile(startPosition: Vec3, direction: Vec2): void {
+        direction = direction.normalize();
         const projectile: Projectile = this.projectilePool.borrow();
         projectile.init(this.projectileDamage, this.projectilePierces, getDegreeAngleFromDirection(direction.x, direction.y));
         projectile.node.setWorldPosition(startPosition);