public void StartDragging()
{
if (typeOfHandle == HandleType.translateY || typeOfHandle == HandleType.ScaleUniform || typeOfHandle == HandleType.ScaleNonUniform)
{
// create plane
dragPlane = new Plane();
Vector3 groundPointBelowCam = new Vector3(Camera.main.transform.position.x, 0f, Camera.main.transform.position.z);
Vector3 groundPointBelowObject = new Vector3(connectObject.transform.position.x, 0f, connectObject.transform.position.z);
dragPlane.SetNormalAndPosition(groundPointBelowCam - groundPointBelowObject, transform.position);
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
if (dragPlane.Raycast(ray, out rayDistance))
{
posOnDragBegin = ray.GetPoint(rayDistance);
if (typeOfHandle == HandleType.translateY)
{
offsetOnDragBegin = connectObject.transform.position - posOnDragBegin;
}
else if (typeOfHandle == HandleType.ScaleUniform)
{
offsetOnDragBegin = connectObject.boundingBox.GetTopCenter() - posOnDragBegin;
scaleOneBeginDrag = connectObject.cube.transform.parent.localScale;
// get current scale Top to bottom
InitialTopToBottom = connectObject.boundingBox.GetTopCenter() - connectObject.boundingBox.GetBottomCenter();
}
else if (typeOfHandle == HandleType.ScaleUniform)
{
offsetOnDragBegin = connectObject.boundingBox.GetTopCenter() - posOnDragBegin;
scaleOneBeginDrag = connectObject.cube.transform.parent.localScale;
// get current scale Top to bottom
InitialTopToBottom = connectObject.boundingBox.GetTopCenter() - connectObject.boundingBox.GetBottomCenter();
}
else if (typeOfHandle == HandleType.ScaleNonUniform)
{
offsetOnDragBegin = transform.parent.position - posOnDragBegin;
scaleOneBeginDrag = connectObject.cube.transform.parent.localScale;
// get current scale Top to bottom
InitialHandleToCenter = transform.parent.position - connectObject.boundingBox.GetCenter();
}
}
dragging = true;
connectObject.HideHandlesExcept(transform.parent.gameObject);
}
}
