private void PanGestureUpdated(GestureRecognizer r)
{
if (TransformToRotate == null)
{
return;
}
if (r.State == GestureRecognizerState.Executing)
{
rotationVelocity = Vector2.zero;
ApplyRotation(DeviceInfo.PixelsToUnits(r.DeltaX) * RotationSpeed, DeviceInfo.PixelsToUnits(r.DeltaY) * RotationSpeed);
}
else if (r.State == GestureRecognizerState.Ended)
{
rotationVelocity = new Vector2(DeviceInfo.PixelsToUnits(r.VelocityX) * RotationSpeed * 0.01f, DeviceInfo.PixelsToUnits(r.VelocityY) * RotationSpeed * 0.01f);
}
}
private void ProcessMouseWheel()
{
// if the mouse is not setup or the user doesn't want the mouse treated as touches, return right away
if (!UnityEngine.Input.mousePresent || !TreatMousePointerAsFinger)
{
return;
}
// the mouse wheel will act as a rotate and pinch / zoom
Vector2 delta = UnityEngine.Input.mouseScrollDelta;
float scrollDelta = (delta.y == 0.0f ? delta.x : delta.y) * MouseWheelDeltaMultiplier;
float threshold = DeviceInfo.UnitsToPixels(MouseDistanceInUnitsForScaleAndRotate * 0.5f);
// add type 1 = moved, 2 = begin, 3 = ended, 4 = none
int addType1 = 4;
int addType2 = 4;
// left or right control initial down means begin
if (!RequireControlKeyForMouseZoom)
{
if (delta == Vector2.zero)
{
if (lastMouseWheelTime != System.DateTime.MinValue)
{
if ((System.DateTime.UtcNow - lastMouseWheelTime).TotalSeconds < 1.0f)
{
// continue zooming
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
}
else
{
// stop zooming
lastMouseWheelTime = System.DateTime.MinValue;
addType1 = 3;
}
}
}
else if (lastMouseWheelTime == System.DateTime.MinValue)
{
// start zooming
addType1 = 2;
lastMouseWheelTime = System.DateTime.UtcNow;
}
else
{
// continue zooming
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
lastMouseWheelTime = System.DateTime.UtcNow;
}
}
else if (UnityEngine.Input.GetKeyDown(KeyCode.LeftControl) || UnityEngine.Input.GetKeyDown(KeyCode.RightControl))
{
// initial start of scale
addType1 = 2;
}
// left or right control still down means move
else if (UnityEngine.Input.GetKey(KeyCode.LeftControl) || UnityEngine.Input.GetKey(KeyCode.RightControl))
{
pinchScale = Mathf.Max(0.35f, pinchScale + scrollDelta);
addType1 = 1;
}
// left or right control initial up means end
else if (UnityEngine.Input.GetKeyUp(KeyCode.LeftControl) || UnityEngine.Input.GetKeyUp(KeyCode.RightControl))
{
addType1 = 3;
}
// left or right shift initial down means begin
if (UnityEngine.Input.GetKeyDown(KeyCode.LeftShift) || UnityEngine.Input.GetKeyDown(KeyCode.RightShift))
{
addType2 = 2;
}
// left or right shift still down means move
else if (UnityEngine.Input.GetKey(KeyCode.LeftShift) || UnityEngine.Input.GetKey(KeyCode.RightShift))
{
rotateAngle += scrollDelta;
addType2 = 1;
}
// left or right shift initial up means end
else if (UnityEngine.Input.GetKeyUp(KeyCode.LeftShift) || UnityEngine.Input.GetKeyUp(KeyCode.RightShift))
{
addType2 = 3;
}
// use the minimum add type so that moves are preferred over begins and begins are preferred over ends
int addType = Mathf.Min(addType1, addType2);
// no begins, moves or ends, set defaults and end
if (addType == 4)
{
pinchScale = 1.0f;
rotateAngle = 0.0f;
return;
}
// calculate rotation
float x = UnityEngine.Input.mousePosition.x;
float y = UnityEngine.Input.mousePosition.y;
float xRot1 = x - threshold;
float yRot1 = y;
float xRot2 = x + threshold;
float yRot2 = y;
float distance = threshold * pinchScale;
xRot1 = x - distance;
yRot1 = y;
xRot2 = x + distance;
yRot2 = y;
RotateAroundPoint(ref xRot1, ref yRot1, x, y, rotateAngle);
RotateAroundPoint(ref xRot2, ref yRot2, x, y, rotateAngle);
#if DEBUG
if (scrollDelta != 0.0f)
{
//Debug.LogFormat("Mouse delta: {0}", scrollDelta);
}
#endif
// calculate rotation and zoom based on mouse values
if (addType == 1)
{
// moved
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, rotatePinch1.X, rotatePinch1.Y, 0.0f, null, TouchPhase.Moved);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, rotatePinch2.X, rotatePinch2.Y, 0.0f, null, TouchPhase.Moved);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
else if (addType == 2)
{
// begin
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, xRot1, yRot1, 0.0f, null, TouchPhase.Began);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, xRot2, yRot2, 0.0f, null, TouchPhase.Began);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
else if (addType == 3)
{
// end
rotatePinch1 = new GestureTouch(int.MaxValue - 5, xRot1, yRot1, xRot1, yRot1, 0.0f, null, TouchPhase.Ended);
rotatePinch2 = new GestureTouch(int.MaxValue - 6, xRot2, yRot2, xRot2, yRot2, 0.0f, null, TouchPhase.Ended);
FingersProcessTouch(ref rotatePinch1);
FingersProcessTouch(ref rotatePinch2);
}
}