How to "Pick Objects"? - GameCreators Forum

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Yodaman Jer

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Posted: 16th Dec 2015 19:07

Back in DarBasic Pro, we had the awesome command of "Pick Object", allowing users to be able to make easy level editors.

I don't see a command like this in AGK. Is there an equivalent, or do I have to do something with raycasting from the mouse? In which case, an example would be just dandy, but not necessary so long as you give me an idea to start with!

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Stab in the Dark software

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Posted: 16th Dec 2015 21:07 Edited at: 16th Dec 2015 21:08

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Here is an example

+ Code Snippet


	if ( GetPointerPressed() )
		local distance as float
		local directionX as float
		local directionY as float
		local directionZ as float
		distance = 1500.0
		directionX = Get3DVectorXFromScreen( GetPointerX(), GetPointerY() ) * distance + GetCameraX(1)
		directionY = Get3DVectorYFromScreen( GetPointerX(), GetPointerY() ) * distance + GetCameraY(1)
		directionZ = Get3DVectorZFromScreen( GetPointerX(), GetPointerY() ) * distance + GetCameraZ(1)
		HitObjID =  ObjectRayCast( 0, GetCameraX(1), GetCameraY(1), GetCameraZ(1), directionX, directionY, directionZ )
		if HitObjID > 0 
			PickVec = CreateVector3( GetObjectRayCastX( 0 ), GetObjectRayCastY( 0 ), GetObjectRayCastZ( 0 ) )
			//Add your code here for what you want to do to object.
		endif
	endif

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Posted: 16th Dec 2015 21:39

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There's also these examples, both of them pretty similar to Stab in the Dark's example:

https://forum.thegamecreators.com/thread/202106
http://www.appgamekit.com/documentation/Reference/3D/Get3DVectorXFromScreen.htm

If you're on 2.15 or above then the directional light command will need to be changed.

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Yodaman Jer

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Posted: 17th Dec 2015 03:57 Edited at: 17th Dec 2015 03:58

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Wow you guys are AWESOME! Thanks so much!

@Stab in the Dark, that is an awesome example! It's so much easier than I would have thought!

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