diff --git a/shared/src/helper/calculate-view-area.ts b/shared/src/helper/calculate-view-area.ts
index 8148975..00ebd50 100644
--- a/shared/src/helper/calculate-view-area.ts
+++ b/shared/src/helper/calculate-view-area.ts
@@ -14,8 +14,8 @@ export const calculateViewArea = (
   );
 
   viewArea.topLeft = vec2.fromValues(
-    center.x - viewArea.size.x / 2,
-    center.y + viewArea.size.y / 2,
+    center[0] - viewArea.size[0] / 2,
+    center[1] + viewArea.size[1] / 2,
   );
 
   return viewArea;
diff --git a/shared/src/helper/rotate-90-deg.ts b/shared/src/helper/rotate-90-deg.ts
index 1911a63..2196fa8 100644
--- a/shared/src/helper/rotate-90-deg.ts
+++ b/shared/src/helper/rotate-90-deg.ts
@@ -1,3 +1,3 @@
 import { vec2 } from 'gl-matrix';
 
-export const rotate90Deg = (vec: vec2): vec2 => vec2.fromValues(-vec.y, vec.x);
+export const rotate90Deg = (vec: vec2): vec2 => vec2.fromValues(-vec[1], vec[0]);
diff --git a/shared/src/helper/rotate-minus-90-deg.ts b/shared/src/helper/rotate-minus-90-deg.ts
index 5021d64..3f4773f 100644
--- a/shared/src/helper/rotate-minus-90-deg.ts
+++ b/shared/src/helper/rotate-minus-90-deg.ts
@@ -1,3 +1,3 @@
 import { vec2 } from 'gl-matrix';
 
-export const rotateMinus90Deg = (vec: vec2): vec2 => vec2.fromValues(vec.y, -vec.x);
+export const rotateMinus90Deg = (vec: vec2): vec2 => vec2.fromValues(vec[1], -vec[0]);
diff --git a/shared/src/objects/types/planet-base.ts b/shared/src/objects/types/planet-base.ts
index bafea38..2f90eb1 100644
--- a/shared/src/objects/types/planet-base.ts
+++ b/shared/src/objects/types/planet-base.ts
@@ -54,10 +54,10 @@ export class PlanetBase extends GameObject {
     for (let i = 0; i < vertexCount; i++) {
       vertices.push(
         vec2.fromValues(
-          center.x +
+          center[0] +
             (width / 2) * Math.cos((i / vertexCount) * -Math.PI * 2) +
             Random.getRandomInRange(-randomness, randomness),
-          center.y +
+          center[1] +
             (height / 2) * Math.sin((i / vertexCount) * -Math.PI * 2) +
             Random.getRandomInRange(-randomness, randomness),
         ),