I have tried normal unity pinch gesture and it's working but when i try this for AR Camera it's not working. How can we use AR Camera instead of normal unity camera
How to use AR Camera for Zoom
November 12, 2014 - 5:57am #1
public class PinchZoom : MonoBehaviour
public float perspectiveZoomSpeed = 0.5f; // The rate of change of the field of view in perspective mode.
public float orthoZoomSpeed = 0.5f; // The rate of change of the orthographic size in orthographic mode.
// If there are two touches on the device...
if (Input.touchCount == 2)
// Store both touches.
Touch touchZero = Input.GetTouch(0);
Touch touchOne = Input.GetTouch(1);
// Find the position in the previous frame of each touch.
Vector2 touchZeroPrevPos = touchZero.position - touchZero.deltaPosition;
Vector2 touchOnePrevPos = touchOne.position - touchOne.deltaPosition;
// Find the magnitude of the vector (the distance) between the touches in each frame.
float prevTouchDeltaMag = (touchZeroPrevPos - touchOnePrevPos).magnitude;
float touchDeltaMag = (touchZero.position - touchOne.position).magnitude;
// Find the difference in the distances between each frame.
float deltaMagnitudeDiff = prevTouchDeltaMag - touchDeltaMag;
// If the camera is orthographic...
// ... change the orthographic size based on the change in distance between the touches.
camera.orthographicSize += deltaMagnitudeDiff * orthoZoomSpeed;
// Make sure the orthographic size never drops below zero.
camera.orthographicSize = Mathf.Max(camera.orthographicSize, 0.1f);
// Otherwise change the field of view based on the change in distance between the touches.
camera.fieldOfView += deltaMagnitudeDiff * perspectiveZoomSpeed;
// Clamp the field of view to make sure it's between 0 and 180.
camera.fieldOfView = Mathf.Clamp(camera.fieldOfView, 0.1f, 179.9f);
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