Games [XUI2D] World RayCast - Callback Procedure

[Gunther]

hi,

what is the correct definition for the CallBack-Procedure for the call of:

world.RayCast(p1 , p2)

 

[Erel]

This code is from the walking character example:

Private Sub Panel1_Touch (Action As Int, X As Float, Y As Float)
   If Action = Panel1.TOUCH_ACTION_DOWN Then
       Dim p As B2Vec2 = X2.ScreenPointToWorld(X, Y)
       'cast a ray from the kid to the point
       RaycastBody = Null
       RaycastPoint = p
       world.RayCast(mKid.bw.Body.Position, p)
       If RaycastBody <> Null And RaycastBody.IsDeleted = False Then
           'ray hit a body
           RaycastBody.TimeToLiveMs = 1
       End If
       CreateLaser
   End If
End Sub

Private Sub World_RaycastCallback (Fixture As B2Fixture, Point As B2Vec2, Normal As B2Vec2, Fraction As Float) As Float
   Dim bw As X2BodyWrapper = Fixture.Body.Tag
   'ignore static bodies
   If bw.Body.BodyType = bw.Body.TYPE_STATIC Then Return -1
   RaycastBody = bw
   RaycastPoint = Point.CreateCopy
   'return fraction to limit the ray up to the current fixture.
   'The result is that the last event will be the closest body.
   Return Fraction
End Sub

 

[Gunther]

Thanks, it was not searchable/findable in the forum since packed inside the examples.

Too much news things to remember, what is where and how.

 

[Erel]

it was not searchable/findable in the forum since packed inside the examples.

Please ask as many questions as you have (each one in its own thread like you did here). This will help other developers to find answers in the future.