first commit

app/src/modules/builder/geomentries/walls/hideWalls.ts

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+import * as THREE from 'three';
+
+import * as Types from "../../../../types/world/worldTypes";
+
+function hideWalls(
+    visibility: Types.Boolean,
+    scene: THREE.Scene,
+    camera: THREE.Camera
+): void {
+
+    //////////  Altering the visibility of the Walls when the world direction of the wall is facing the camera  //////////
+
+    const v = new THREE.Vector3();
+    const u = new THREE.Vector3();
+
+    if (visibility === true) {
+        for (const children of scene.children) {
+            if (children.name === "Walls" && children.children[0]?.children.length > 0) {
+                children.children[0].children.forEach((child: any) => {
+                    if (child.children[0]?.userData.WallType === "RoomWall") {
+                        child.children[0].getWorldDirection(v);
+                        camera.getWorldDirection(u);
+                        if (child.children[0].material) {
+                            child.children[0].material.visible = (2 * v.dot(u)) >= -0.5;
+                        }
+                    }
+                });
+            }
+        }
+    } else {
+        for (const children of scene.children) {
+            if (children.name === "Walls" && children.children[0]?.children.length > 0) {
+                children.children[0].children.forEach((child: any) => {
+                    if (child.children[0]?.userData.WallType === "RoomWall") {
+                        if (child.children[0].material) {
+                            child.children[0].material.visible = true;
+                        }
+                    }
+                });
+            }
+        }
+    }
+}
+
+export default hideWalls;