Interactable Class

Assets/TextMesh Pro/Examples & Extras/Scripts/CameraController.cs

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+using UnityEngine;
+using System.Collections;
+
+
+namespace TMPro.Examples
+{
+    
+    public class CameraController : MonoBehaviour
+    {
+        public enum CameraModes { Follow, Isometric, Free }
+
+        private Transform cameraTransform;
+        private Transform dummyTarget;
+
+        public Transform CameraTarget;
+
+        public float FollowDistance = 30.0f;
+        public float MaxFollowDistance = 100.0f;
+        public float MinFollowDistance = 2.0f;
+
+        public float ElevationAngle = 30.0f;
+        public float MaxElevationAngle = 85.0f;
+        public float MinElevationAngle = 0f;
+
+        public float OrbitalAngle = 0f;
+
+        public CameraModes CameraMode = CameraModes.Follow;
+
+        public bool MovementSmoothing = true;
+        public bool RotationSmoothing = false;
+        private bool previousSmoothing;
+
+        public float MovementSmoothingValue = 25f;
+        public float RotationSmoothingValue = 5.0f;
+
+        public float MoveSensitivity = 2.0f;
+
+        private Vector3 currentVelocity = Vector3.zero;
+        private Vector3 desiredPosition;
+        private float mouseX;
+        private float mouseY;
+        private Vector3 moveVector;
+        private float mouseWheel;
+
+        // Controls for Touches on Mobile devices
+        //private float prev_ZoomDelta;
+
+
+        private const string event_SmoothingValue = "Slider - Smoothing Value";
+        private const string event_FollowDistance = "Slider - Camera Zoom";
+
+
+        void Awake()
+        {
+            if (QualitySettings.vSyncCount > 0)
+                Application.targetFrameRate = 60;
+            else
+                Application.targetFrameRate = -1;
+
+            if (Application.platform == RuntimePlatform.IPhonePlayer || Application.platform == RuntimePlatform.Android)
+                Input.simulateMouseWithTouches = false;
+
+            cameraTransform = transform;
+            previousSmoothing = MovementSmoothing;
+        }
+
+
+        // Use this for initialization
+        void Start()
+        {
+            if (CameraTarget == null)
+            {
+                // If we don't have a target (assigned by the player, create a dummy in the center of the scene).
+                dummyTarget = new GameObject("Camera Target").transform;
+                CameraTarget = dummyTarget;
+            }
+        }
+
+        // Update is called once per frame
+        void LateUpdate()
+        {
+            GetPlayerInput();
+
+
+            // Check if we still have a valid target
+            if (CameraTarget != null)
+            {
+                if (CameraMode == CameraModes.Isometric)
+                {
+                    desiredPosition = CameraTarget.position + Quaternion.Euler(ElevationAngle, OrbitalAngle, 0f) * new Vector3(0, 0, -FollowDistance);
+                }
+                else if (CameraMode == CameraModes.Follow)
+                {
+                    desiredPosition = CameraTarget.position + CameraTarget.TransformDirection(Quaternion.Euler(ElevationAngle, OrbitalAngle, 0f) * (new Vector3(0, 0, -FollowDistance)));
+                }
+                else
+                {
+                    // Free Camera implementation
+                }
+
+                if (MovementSmoothing == true)
+                {
+                    // Using Smoothing
+                    cameraTransform.position = Vector3.SmoothDamp(cameraTransform.position, desiredPosition, ref currentVelocity, MovementSmoothingValue * Time.fixedDeltaTime);
+                    //cameraTransform.position = Vector3.Lerp(cameraTransform.position, desiredPosition, Time.deltaTime * 5.0f);
+                }
+                else
+                {
+                    // Not using Smoothing
+                    cameraTransform.position = desiredPosition;
+                }
+
+                if (RotationSmoothing == true)
+                    cameraTransform.rotation = Quaternion.Lerp(cameraTransform.rotation, Quaternion.LookRotation(CameraTarget.position - cameraTransform.position), RotationSmoothingValue * Time.deltaTime);
+                else
+                {
+                    cameraTransform.LookAt(CameraTarget);
+                }
+
+            }
+
+        }
+
+
+
+        void GetPlayerInput()
+        {
+            moveVector = Vector3.zero;
+
+            // Check Mouse Wheel Input prior to Shift Key so we can apply multiplier on Shift for Scrolling
+            mouseWheel = Input.GetAxis("Mouse ScrollWheel");
+
+            float touchCount = Input.touchCount;
+
+            if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift) || touchCount > 0)
+            {
+                mouseWheel *= 10;
+
+                if (Input.GetKeyDown(KeyCode.I))
+                    CameraMode = CameraModes.Isometric;
+
+                if (Input.GetKeyDown(KeyCode.F))
+                    CameraMode = CameraModes.Follow;
+
+                if (Input.GetKeyDown(KeyCode.S))
+                    MovementSmoothing = !MovementSmoothing;
+
+
+                // Check for right mouse button to change camera follow and elevation angle
+                if (Input.GetMouseButton(1))
+                {
+                    mouseY = Input.GetAxis("Mouse Y");
+                    mouseX = Input.GetAxis("Mouse X");
+
+                    if (mouseY > 0.01f || mouseY < -0.01f)
+                    {
+                        ElevationAngle -= mouseY * MoveSensitivity;
+                        // Limit Elevation angle between min & max values.
+                        ElevationAngle = Mathf.Clamp(ElevationAngle, MinElevationAngle, MaxElevationAngle);
+                    }
+
+                    if (mouseX > 0.01f || mouseX < -0.01f)
+                    {
+                        OrbitalAngle += mouseX * MoveSensitivity;
+                        if (OrbitalAngle > 360)
+                            OrbitalAngle -= 360;
+                        if (OrbitalAngle < 0)
+                            OrbitalAngle += 360;
+                    }
+                }
+
+                // Get Input from Mobile Device
+                if (touchCount == 1 && Input.GetTouch(0).phase == TouchPhase.Moved)
+                {
+                    Vector2 deltaPosition = Input.GetTouch(0).deltaPosition;
+
+                    // Handle elevation changes
+                    if (deltaPosition.y > 0.01f || deltaPosition.y < -0.01f)
+                    {
+                        ElevationAngle -= deltaPosition.y * 0.1f;
+                        // Limit Elevation angle between min & max values.
+                        ElevationAngle = Mathf.Clamp(ElevationAngle, MinElevationAngle, MaxElevationAngle);
+                    }
+
+
+                    // Handle left & right 
+                    if (deltaPosition.x > 0.01f || deltaPosition.x < -0.01f)
+                    {
+                        OrbitalAngle += deltaPosition.x * 0.1f;
+                        if (OrbitalAngle > 360)
+                            OrbitalAngle -= 360;
+                        if (OrbitalAngle < 0)
+                            OrbitalAngle += 360;
+                    }
+
+                }
+
+                // Check for left mouse button to select a new CameraTarget or to reset Follow position
+                if (Input.GetMouseButton(0))
+                {
+                    Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+                    RaycastHit hit;
+
+                    if (Physics.Raycast(ray, out hit, 300, 1 << 10 | 1 << 11 | 1 << 12 | 1 << 14))
+                    {
+                        if (hit.transform == CameraTarget)
+                        {
+                            // Reset Follow Position
+                            OrbitalAngle = 0;
+                        }
+                        else
+                        {
+                            CameraTarget = hit.transform;
+                            OrbitalAngle = 0;
+                            MovementSmoothing = previousSmoothing;
+                        }
+
+                    }
+                }
+
+
+                if (Input.GetMouseButton(2))
+                {
+                    if (dummyTarget == null)
+                    {
+                        // We need a Dummy Target to anchor the Camera
+                        dummyTarget = new GameObject("Camera Target").transform;
+                        dummyTarget.position = CameraTarget.position;
+                        dummyTarget.rotation = CameraTarget.rotation;
+                        CameraTarget = dummyTarget;
+                        previousSmoothing = MovementSmoothing;
+                        MovementSmoothing = false;
+                    }
+                    else if (dummyTarget != CameraTarget)
+                    {
+                        // Move DummyTarget to CameraTarget
+                        dummyTarget.position = CameraTarget.position;
+                        dummyTarget.rotation = CameraTarget.rotation;
+                        CameraTarget = dummyTarget;
+                        previousSmoothing = MovementSmoothing;
+                        MovementSmoothing = false;
+                    }
+
+
+                    mouseY = Input.GetAxis("Mouse Y");
+                    mouseX = Input.GetAxis("Mouse X");
+
+                    moveVector = cameraTransform.TransformDirection(mouseX, mouseY, 0);
+
+                    dummyTarget.Translate(-moveVector, Space.World);
+
+                }
+
+            }
+
+            // Check Pinching to Zoom in - out on Mobile device
+            if (touchCount == 2)
+            {
+                Touch touch0 = Input.GetTouch(0);
+                Touch touch1 = Input.GetTouch(1);
+
+                Vector2 touch0PrevPos = touch0.position - touch0.deltaPosition;
+                Vector2 touch1PrevPos = touch1.position - touch1.deltaPosition;
+
+                float prevTouchDelta = (touch0PrevPos - touch1PrevPos).magnitude;
+                float touchDelta = (touch0.position - touch1.position).magnitude;
+
+                float zoomDelta = prevTouchDelta - touchDelta;
+
+                if (zoomDelta > 0.01f || zoomDelta < -0.01f)
+                {
+                    FollowDistance += zoomDelta * 0.25f;
+                    // Limit FollowDistance between min & max values.
+                    FollowDistance = Mathf.Clamp(FollowDistance, MinFollowDistance, MaxFollowDistance);
+                }
+
+
+            }
+
+            // Check MouseWheel to Zoom in-out
+            if (mouseWheel < -0.01f || mouseWheel > 0.01f)
+            {
+
+                FollowDistance -= mouseWheel * 5.0f;
+                // Limit FollowDistance between min & max values.
+                FollowDistance = Mathf.Clamp(FollowDistance, MinFollowDistance, MaxFollowDistance);
+            }
+
+
+        }
+    }
+}