/// <summary>
/// Handles ray casting.
/// </summary>
private void HandleRayCasting()
{
HitItemChangeEvent changeEvent = new HitItemChangeEvent();
if (this.currentHitItemMetadata != null)
{
changeEvent.OldItem = new HitItemMetadata {
ItemHit = this.currentHitItemMetadata.ItemHit,
LayerHit = this.currentHitItemMetadata.LayerHit
};
}
// cycle through the layer priorities to see if one of them was hit by priority order
foreach (Layer layer in layerPriorities)
{
RaycastHit?hitInfo = RaycastForLayer(layer);
if (hitInfo != null && hitInfo.HasValue)
{
changeEvent.NewItem = new HitItemMetadata {
ItemHit = hitInfo.Value,
LayerHit = layer
};
break;
}
}
// update state to the new value
this.currentHitItemMetadata = changeEvent.NewItem;
// notify listeners
if (OnHitItemChangeObservers != null)
{
OnHitItemChangeObservers(changeEvent);
}
}
public override bool Equals(object obj)
{
bool result = false;
HitItemMetadata other = obj as HitItemMetadata;
if (other != null)
{
result = this.LayerHit == other.LayerHit;
result &= this.itemHit.collider != null && other.itemHit.collider != null;
result &= this.itemHit.collider.Equals(other.itemHit.collider);
}
return(result);
}
/// <summary>
/// Handle the mouse click.
/// </summary>
private void HandleClickMovement(HitItemMetadata itemHit)
{
if (Input.GetMouseButton(0) && itemHit != null)
{
// print("Cursor raycast hit " + cameraRaycaster.hit.collider.gameObject.name.ToString()); =
clickPoint = itemHit.ItemHit.point;
switch (itemHit.LayerHit)
{
case Layer.Walkable:
shortenedClickPoint = ShortenDestination(clickPoint, this.transform.position, this.walkStopRadius);
break;
case Layer.Enemy:
shortenedClickPoint = ShortenDestination(clickPoint, this.transform.position, this.attackStopRadius);
break;
case Layer.RaycastEndStop: // do nothing
break;
default:
print("you haven't handled the following layer yet " + itemHit.LayerHit);
return;
}
}
// move the player to the mouse click location, but only if within the correct radius of the item clicked
Vector3 deltaVector = shortenedClickPoint - transform.position;
// magnitudes are always positive and there is a floating arithmetic issue that causes magnitude to never hit 0 causing player to spin
if (Mathf.MoveTowards(deltaVector.magnitude, 0, .2f) > 0)
{
this.MovePlayer(deltaVector);
}
else
{
this.MovePlayer(Vector3.zero); // don't move
}
}