diff --git a/src/modules/simulationRenderer/classes/SimulationRenderer.ts b/src/modules/simulationRenderer/classes/SimulationRenderer.ts
index ef88e6d..45561ff 100644
--- a/src/modules/simulationRenderer/classes/SimulationRenderer.ts
+++ b/src/modules/simulationRenderer/classes/SimulationRenderer.ts
@@ -26,6 +26,7 @@ import { GateInitter } from '../types/GateInitter'
 import { handleMouseDown } from '../helpers/handleMouseDown'
 import { handleMouseUp } from '../helpers/handleMouseUp'
 import { handleMouseMove } from '../helpers/handleMouseMove'
+import { Gate } from '../../simulation/classes/Gate'
 
 export class SimulationRenderer {
     public mouseDownOutput = new Subject<MouseEventInfo>()
@@ -117,7 +118,7 @@ export class SimulationRenderer {
      * @throws SimulationError if an id isnt valid
      * @throws SimulationError if the id doesnt have a data prop
      */
-    public getSelected() {
+    public getSelected(): Gate[] {
         return setToArray(this.allSelectedIds()).map(id => {
             const gate = this.simulation.gates.get(id)
 
diff --git a/src/modules/vector2/helpers/basic.ts b/src/modules/vector2/helpers/basic.ts
index f4192b3..72d0364 100644
--- a/src/modules/vector2/helpers/basic.ts
+++ b/src/modules/vector2/helpers/basic.ts
@@ -7,7 +7,7 @@ import { vector2 } from '../../../common/math/types/vector2'
 export const add = (...vectors: vector2[]): vector2 => {
     const first = vectors[0]
     const others = vectors.slice(1)
-    const othersSum = others.length > 1 ? add(...others) : others[0]
+    const othersSum = others.length >= 1 ? add(...others) : [0, 0]
 
     return first.map((value, index) => value + othersSum[index]) as vector2
 }
@@ -69,4 +69,4 @@ export const inverse = (vector: vector2) => vector.map(a => 1 / a) as vector2
  * 
  * @param vectors tHe vectors to find the averege of
  */
-export const averege = (...vectors: vector2[]) => multiply(add(...vectors), 1 / vectors.length)
\ No newline at end of file
+export const averege = (...vectors: vector2[]): vector2 => vectors.length ? multiply(add(...vectors), 1 / vectors.length) : [0, 0]
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 0073ddb..7838367 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,12 +3,16 @@
         "moduleResolution": "node",
         "esModuleInterop": true,
         "jsx": "preserve",
-        "noImplicitAny": true,
         "experimentalDecorators": true,
         "target": "esnext",
+        "downlevelIteration": true,
         "strictNullChecks": true,
         "module": "esnext"
     },
-    "exclude": ["node_modules"],
-    "include": ["src"]
-}
+    "exclude": [
+        "node_modules"
+    ],
+    "include": [
+        "src"
+    ]
+}
\ No newline at end of file