From 2a33e981181ec5e45be5f7046cfd41b0b778b2ca Mon Sep 17 00:00:00 2001
From: Christian Treffs <ctreffs@gmail.com>
Date: Fri, 7 Aug 2020 09:46:55 +0200
Subject: [PATCH] Add destroyMembers method to family

---
 Sources/FirebladeECS/Family.swift | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Sources/FirebladeECS/Family.swift b/Sources/FirebladeECS/Family.swift
index e5af189..eb7cd73 100644
--- a/Sources/FirebladeECS/Family.swift
+++ b/Sources/FirebladeECS/Family.swift
@@ -38,6 +38,13 @@ public struct Family<R> where R: FamilyRequirementsManaging {
     public func isMember(_ entity: Entity) -> Bool {
         nexus.isMember(entity, in: traits)
     }
+
+    /// Destroy all member entities of this family.
+    /// - Returns: True if entities where destroyed successfully, false otherwise.
+    @discardableResult
+    public func destroyMembers() -> Bool {
+        entities.reduce(!isEmpty) { $0 && nexus.destroy(entity: $1) }
+    }
 }
 
 extension Family: Equatable {