private void UpdateGrasp()
{
int mouseButton = 2;
var mainCamera = FindCamera();
if (Input.GetMouseButtonDown(mouseButton) && grasped != null)
{
grasped.Release(hand);
grasped = null;
transform.localPosition = startingPosition;
}
if (Input.GetMouseButtonDown(mouseButton) && grasped == null)
{
if (Input.GetMouseButtonDown(mouseButton)) // test if there is a graspable object under the cursor on this click. todo: key modifider for mac
{
RaycastHit hit = new RaycastHit();
if (Physics.Raycast(mainCamera.ScreenPointToRay(Input.mousePosition), out hit, 100,
Physics.DefaultRaycastLayers))
{
grasped = hit.collider.gameObject.GetComponentsInParent <MonoBehaviour>().Where(mb => mb is IGraspable).FirstOrDefault() as IGraspable;
if (grasped != null)
{
hand.MoveTo(hit.point);
previousProjectedHeight = GetProjectedHeight(hit.point);
grasped.Grasp(hand);
}
}
}
}
if (Mathf.Abs(Input.mouseScrollDelta.y) > 0.01f)
{
transform.localPosition += (transform.localPosition - startingPosition) * Input.mouseScrollDelta.y * scrollScale;
}
if (grasped != null)
{
var projectedHeight = GetProjectedHeight(transform.position);
var d = projectedHeight - previousProjectedHeight;
previousProjectedHeight = projectedHeight;
transform.localPosition += new Vector3(0, d, 0);
}
}
public void Grasp(bool grasp)
{
if (grasp)
{
if (contacted != null)
{
// parent because physical bodies consist of a rigid body, and colliders *below* it in the scene graph
grasped = contacted.gameObject.GetComponentsInParent <MonoBehaviour>().Where(mb => mb is IGraspable).FirstOrDefault() as IGraspable;
grasped.Grasp(controller);
}
}
else
{
if (grasped != null)
{
grasped.Release(controller);
grasped = null;
}
}
}