public DragState(WorkspaceUI workspaceUI, Transform rayOrigin, bool resizing)
{
m_WorkspaceUI = workspaceUI;
m_Resizing = resizing;
this.rayOrigin = rayOrigin;
if (resizing)
{
var pointerPosition = m_WorkspaceUI.GetPointerPosition(rayOrigin);
m_DragStart = pointerPosition;
m_PositionStart = workspaceUI.transform.parent.position;
m_BoundsSizeStart = workspaceUI.bounds.size;
var localPosition = m_WorkspaceUI.transform.InverseTransformPoint(pointerPosition);
m_Direction = m_WorkspaceUI.GetResizeDirectionForLocalPosition(localPosition);
}
else
{
MathUtilsExt.GetTransformOffset(rayOrigin, m_WorkspaceUI.transform.parent, out m_PositionOffset, out m_RotationOffset);
}
}
public void OnDragging()
{
if (m_Resizing)
{
var viewerScale = m_WorkspaceUI.GetViewerScale();
var pointerPosition = m_WorkspaceUI.GetPointerPosition(rayOrigin);
var dragVector = (pointerPosition - m_DragStart) / viewerScale;
var bounds = m_WorkspaceUI.bounds;
var transform = m_WorkspaceUI.transform;
var positionOffsetForward = Vector3.Dot(dragVector, transform.forward) * 0.5f;
var positionOffsetRight = Vector3.Dot(dragVector, transform.right) * 0.5f;
switch (m_Direction)
{
default:
bounds.size = m_BoundsSizeStart + Vector3.back * Vector3.Dot(dragVector, transform.forward);
positionOffsetRight = 0;
break;
case ResizeDirection.Back:
bounds.size = m_BoundsSizeStart + Vector3.forward * Vector3.Dot(dragVector, transform.forward);
positionOffsetRight = 0;
break;
case ResizeDirection.Left:
bounds.size = m_BoundsSizeStart + Vector3.left * Vector3.Dot(dragVector, transform.right);
positionOffsetForward = 0;
break;
case ResizeDirection.Right:
bounds.size = m_BoundsSizeStart + Vector3.right * Vector3.Dot(dragVector, transform.right);
positionOffsetForward = 0;
break;
case ResizeDirection.Front | ResizeDirection.Left:
bounds.size = m_BoundsSizeStart + Vector3.left * Vector3.Dot(dragVector, transform.right)
+ Vector3.back * Vector3.Dot(dragVector, transform.forward);
break;
case ResizeDirection.Front | ResizeDirection.Right:
bounds.size = m_BoundsSizeStart + Vector3.right * Vector3.Dot(dragVector, transform.right)
+ Vector3.back * Vector3.Dot(dragVector, transform.forward);
break;
case ResizeDirection.Back | ResizeDirection.Left:
bounds.size = m_BoundsSizeStart + Vector3.left * Vector3.Dot(dragVector, transform.right)
+ Vector3.forward * Vector3.Dot(dragVector, transform.forward);
break;
case ResizeDirection.Back | ResizeDirection.Right:
bounds.size = m_BoundsSizeStart + Vector3.right * Vector3.Dot(dragVector, transform.right)
+ Vector3.forward * Vector3.Dot(dragVector, transform.forward);
break;
}
if (m_WorkspaceUI.resize != null)
{
m_WorkspaceUI.resize(bounds);
}
var currentExtents = m_WorkspaceUI.bounds.extents;
var extents = bounds.extents;
var absRight = Mathf.Abs(positionOffsetRight);
var absForward = Mathf.Abs(positionOffsetForward);
var positionOffset = (absRight - (currentExtents.x - extents.x)) * Mathf.Sign(positionOffsetRight) * transform.right
+ (absForward - (currentExtents.z - extents.z)) * Mathf.Sign(positionOffsetForward) * transform.forward;
m_WorkspaceUI.transform.parent.position = m_PositionStart + positionOffset * viewerScale;
m_WorkspaceUI.OnResizing(rayOrigin);
}
else
{
MathUtilsExt.SetTransformOffset(rayOrigin, m_WorkspaceUI.transform.parent, m_PositionOffset, m_RotationOffset);
m_WorkspaceUI.OnMoving(rayOrigin);
}
}