| public static VectorDirection ( JCS_Vector3Direction direction ) : Vector3 | ||
| direction | JCS_Vector3Direction | direction u wants. |
| return | Vector3 | |
/// <summary>
/// Source: http://wiki.unity3d.com/index.php?title=LookAtMouse
/// </summary>
private void LookAtMouse()
{
float speed = 10;
Vector3 direction = JCS_Util.VectorDirection(mDirection);
// Generate a plane that intersects the transform's position with an upwards normal.
Plane playerPlane = new Plane(direction, mShootAction.SpawnPoint.position);
// Generate a ray from the cursor position
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
// Determine the point where the cursor ray intersects the plane.
// This will be the point that the object must look towards to be looking at the mouse.
// Raycasting to a Plane object only gives us a distance, so we'll have to take the distance,
// then find the point along that ray that meets that distance. This will be the point
// to look at.
float hitdist = 0.0f;
// If the ray is parallel to the plane, Raycast will return false.
if (playerPlane.Raycast(ray, out hitdist))
{
// Get the point along the ray that hits the calculated distance.
Vector3 targetPoint = ray.GetPoint(hitdist);
// Determine the target rotation. This is the rotation if the transform looks at the target point.
Quaternion targetRotation = Quaternion.LookRotation(targetPoint - mShootAction.SpawnPoint.position);
// Smoothly rotate towards the target point.
mShootAction.SpawnPoint.rotation = Quaternion.Slerp(mShootAction.SpawnPoint.rotation, targetRotation, speed * Time.deltaTime);
}
}
/// <summary>
/// Set on top of the box above the ray.
/// </summary>
/// <param name="cap"></param>
/// <param name="maxDistance"></param>
public static bool SetOnTopOfClosestBoxWithRay(
CharacterController cap,
float maxDistance,
JCS_Vector3Direction inDirection)
{
Vector3 direction = cap.transform.TransformDirection(JCS_Util.VectorDirection(inDirection));
RaycastHit[] hits = Physics.RaycastAll(cap.transform.position, direction, maxDistance);
/* Nothing detected. */
if (hits.Length == 0)
{
return(false);
}
foreach (RaycastHit hit in hits)
{
/* Check if there are box collider on hit. */
BoxCollider boxCollider = hit.transform.GetComponent <BoxCollider>();
if (boxCollider == null)
{
continue;
}
/* Check ray ignore attached. */
JCS_RayIgnore ri = hit.transform.GetComponent <JCS_RayIgnore>();
if (ri != null)
{
continue;
}
// set on top of that box
SetOnTopOfBox(cap, boxCollider);
return(true);
}
return(false);
}
/// <summary>
/// Do the look at algorithm here...
/// </summary>
private void DoLookAt()
{
// record down the euler angle before we changes.
if (mLocalEulerAngles)
{
mLastEulerAngles = this.transform.localEulerAngles;
}
else
{
mLastEulerAngles = this.transform.eulerAngles;
}
Vector3 lookPoint = mTargetTransform.position;
Vector3 direction = Vector3.up;
// get direction according to the type.
direction = JCS_Util.VectorDirection(mLookDirection);
transform.LookAt(lookPoint, direction * (int)mState);
// apply offset angle
if (mLocalEulerAngles)
{
this.transform.localEulerAngles += mAngleOffset;
}
else
{
this.transform.eulerAngles += mAngleOffset;
}
// TODO(jenchieh): study the rotation going on in Unity lower
// level archietecture.
//
// rotate back to X-axis.
if (mRotateBack90)
{
transform.Rotate(0, -90, 0);
}
}