//
private void PerformRaycast(UpdateEvent currentEvent)
{
if (currentEvent != updateEvent)
{
return;
}
if (cam == null)
{
return;
}
if (onHover == null)
{
return;
}
RaycastHit hitInfo;
// Create a ray from mouse coords
Ray ray = cam.ScreenPointToRay(Input.mousePosition);
// Targeting raycast
if (Physics.Raycast(ray, out hitInfo, rayLength >= 0f ? rayLength : Mathf.Infinity, layerMask.value))
{
onHover.Invoke(hitInfo);
//划出射线，只有在scene视图中才能看到
Debug.DrawLine(ray.origin, hitInfo.point);
}
}
void Update()
{
if (!Cursor.visible)
{
if (m_Camera == null)
{
return;
}
if (OnHover == null)
{
return;
}
// 创建射线
RaycastHit m_HitInfo;
Ray ray = m_Camera.ScreenPointToRay(Input.mousePosition);
// 检测碰撞
if (Physics.Raycast(ray, out m_HitInfo, m_RayLength >= 0f ? m_RayLength : Mathf.Infinity, m_LayerMask.value))
{
m_HitTarget = m_HitInfo.collider.gameObject;
OnHover.Invoke(m_HitInfo);
//划出射线，只有在scene视图中才能看到
Debug.DrawLine(ray.origin, m_HitInfo.point);
}
else
{
m_HitTarget = null;
//划出射线，只有在scene视图中才能看到
Debug.DrawLine(ray.origin, ray.origin + ray.direction * m_RayLength);
}
}
}
