Added basic portals

Assets/Scripts/World/PortalCamera.cs

@@ -0,0 +1,76 @@
+using UnityEngine;
+
+namespace InterfaceOff.WorldScene
+{
+    [RequireComponent(typeof(Camera))]
+    public class PortalCamera : MonoBehaviour
+    {
+        [Header("Components")]
+        [SerializeField] Shader m_Shader;
+        [SerializeField] Camera m_WorldCamera;
+
+        // Private members //
+
+        PortalManager m_DisplayPortal;
+        PortalManager m_CapturePortal;
+
+        RenderTexture m_RenderTexture;
+        Material m_RenderMaterial;
+
+        Camera m_Camera;
+
+        Vector3 m_Rot;
+
+        // Initialistion function for the camera
+        public void InitCamera(MeshRenderer[] renderers, PortalManager creator, Vector3 rot)
+        {
+            // Transfers the passed rotation to be stored within the class
+            m_Rot = rot;
+
+            // Stores both portals
+            m_CapturePortal = creator.Linked();
+            m_DisplayPortal = creator;
+
+            // Gets the camera from the component
+            m_Camera = gameObject.GetComponent<Camera>();
+            m_Camera.fieldOfView = m_WorldCamera.fieldOfView;
+
+            // Creates the render texture
+            RenderTextureDescriptor descriptor = new(Screen.width, Screen.height);
+            m_RenderTexture = new RenderTexture(descriptor);
+
+            // Creates a material from the Cutout shader
+            // Needs to be created via code as all the materials have different settings
+            m_RenderMaterial = new Material(m_Shader);
+
+            // Links the camera to the mesh renderer
+            m_Camera.targetTexture =
+                m_RenderTexture; // Sets it's camera to display to the render texture instead of the screen
+            m_RenderMaterial.mainTexture =
+                m_RenderTexture; // Sets the material to use the render texture as it's texture
+
+            foreach (Renderer renderer in renderers)
+            {
+                renderer.material = m_RenderMaterial;
+            }
+        }
+
+        void LateUpdate()
+        {
+            // Gets the offset of the player from the display portal
+            Vector3 offset = m_DisplayPortal.PlayerOffset();
+
+            // Translates it to the capture portal and assigns it to the camera position
+            Transform t = m_CapturePortal.transform.parent;
+            transform.position = t.position + offset;
+
+            // Calculate angle stuff (not needed because angle always stays the same in this duct tape version)
+            //float angle = Quaternion.Angle(m_DisplayPortal.transform.parent.rotation,
+            //    m_CapturePortal.transform.parent.rotation);
+            //Quaternion rotDif = Quaternion.AngleAxis(angle, Vector3.up);
+            //Vector3 newCamDir = rotDif * CameraController.Instance().transform.forward;
+            //Vector3 d = new(0f, m_CapturePortal.CamDif(), 0f);
+            //transform.parent.eulerAngles = Quaternion.LookRotation(newCamDir, Vector3.up).eulerAngles + m_Rot + d;
+        }
+    }
+}