items

engine/ecs/util.go

@@ -21,3 +21,18 @@ func TypeInSlice(a string, list []string) bool {
 	}
 	return false
 }
+
+func DeleteFromEntitySlice(haystack []Entity, needle Entity) ([]Entity, Entity) {
+	var excluded Entity
+	for i, _ := range haystack {
+		if haystack[i] == needle {
+			excluded = haystack[i]
+			if len(haystack) - 1 > i {
+				haystack = append(haystack[:i], haystack[i+1:] ...)
+			} else {
+				haystack = haystack[:i]
+			}
+		}
+	}
+	return haystack, excluded
+}