void Update()
{
if (Input.touchCount == 2)
{
Touch t1 = Input.GetTouch(0);
Touch t2 = Input.GetTouch(1);
var touchCenter = (t1.position + t2.position) * 0.5f;
inputHandler.GetWorldPoint(touchCenter, out Vector3 touchCenterWorld);
if (t1.phase == TouchPhase.Began || t2.phase == TouchPhase.Began)
{
initialTouchVector = t2.position - t1.position;
initialCameraYaw = currentPivot.rotation.eulerAngles.y;
initialZoom = map.zoom;
invTouchDistance = 1f / (t1.position - t2.position).magnitude;
}
else
{
float distance = (t1.position - t2.position).magnitude;
float newZoom = initialZoom + Mathf.Log10(distance * invTouchDistance) / Log2;
var yawDiff = Angle(t2.position - t1.position, initialTouchVector) - currentPivot.rotation.eulerAngles.y + initialCameraYaw;
map.ChangeZoom(newZoom - map.zoom, touchCenterWorld.x, touchCenterWorld.z);
PanMap(prevTouchCenterWorld);
Orbit(0, yawDiff);
PanMap(-touchCenterWorld);
}
prevTouchCenterWorld = touchCenterWorld;
}
#if UNITY_EDITOR
if (needToUpdateBounds || !Application.isPlaying)
#else
if (needToUpdateBounds)
#endif
{
needToUpdateBounds = false;
if (needToUpdateViewport)
{
needToUpdateViewport = false;
UpdateCameraOffset();
}
UpdateMapBounds(needToAdjustZoom);
needToAdjustZoom = false;
}
}
private void Update()
{
if (updateTime < Time.time)
{
updateTime += 0.05f;
if (minusButton.Pressed)
{
map.ChangeZoom(-0.1f);
}
if (plusButton.Pressed)
{
map.ChangeZoom(0.1f);
}
}
}
private void Zoom(float change)
{
switch (movementType)
{
case MovementType.MoveCamera:
SetDistanceToTarget(Mathf.Max(MinDistanceToTarget, distanceToTarget - change * ZoomScale * distanceToTarget));
break;
case MovementType.MoveMap:
Vector3 zoomPoint;
inputHandler.GetWorldPoint(Input.mousePosition, out zoomPoint);
map.ChangeZoom(change, zoomPoint.x, zoomPoint.z);
break;
}
}
//
// Event Methods
//
private void OnZoomInClick()
{
zoomingChange = 0.1f;
nextUpdate = Time.time + 0.25f;
map.ChangeZoom(zoomingChange);
}