Enable drag and drop and Bound to viewport

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- mr inkoqnito
- - Joined 6 Mar, 2017
  - 5 topics • 14 posts
- 1
- 7 Jul, 2018
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Hello,

I two problems with drag and drop:

1. If i not initially enable drag and drop i cant enable it later in the game with set drag and drop enabled

2. I dont understand how to constrain drag and drop to the screen? I see there is for the layout but my layout is bigger than my viewport.

Hoping someone can help me out=)?

/Isak
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,601 posts
- 1
- 8 Jul, 2018
- Quote
I prefer making a separate (invisible) draggable sprite.

Say, you want to drag a small ball. Add another sprite DragBox, you can make it bigger than the ball, add Drag&Drop behavior to it. Add these events:

DragBox is dragging -> Ball set position to (clamp(DragBox.x, ViewportLeft,ViewportRight), clamp(DragBox.y, ViewportTop,ViewportBottom))

DragBox on Drag end -> DragBox set position to (Ball.X, Ball.Y)

You can change clamp() parameters to limit dragging to some small area of the screen.
- mr inkoqnito
- - Joined 6 Mar, 2017
  - 5 topics • 14 posts
- 1
- 8 Jul, 2018
- Quote
Hello Dop2000,

Thanks for reply but cant get it to work, to me it feels like Construct 3 is buggy? Things that should work dosent or perhaps i am doing something wrong? I've tried what you told me but it did not seem to work?

I did not found drag on end so i used on drop is this the same?

I tried to insert an image but dont know how to do it? How do i add it into the post after i have uploaded it?

/Isak
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,601 posts
- 1
- 8 Jul, 2018
- Quote
Yes, I meant "On drop".

To add an image into post, use img tag, for example:
[img=1234]

It would be much easier to help if you could share your code or your project file.
- mr inkoqnito
- - Joined 6 Mar, 2017
  - 5 topics • 14 posts
- 1
- 8 Jul, 2018
- Quote
Aah okey, heres is the game running and also the events. Shuold not the ship follow the cube?

/Isak
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,601 posts
- 1
- 8 Jul, 2018
- Quote
I don't know why it doesn't work for you.

Try this demo:

dropbox.com/s/fytd9r6f0x4l5jo/DragWithPadding.c3p
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- mr inkoqnito
- - Joined 6 Mar, 2017
  - 5 topics • 14 posts
- 1
- 8 Jul, 2018
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Hello again,

Okey i finally found out the problem, i used several event sheet but i didnt used the main there i inlcuded all event sheets=)

/Isak
- Chadori
- - Joined 10 Oct, 2014
  - 158 topics • 1,942 posts
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- 8 Jul, 2018
- Quote
An easier method is to use my free addon named : Bounded Drag & Drop.

Link : https://www.construct.net/ph/make-games/addons/91/bounded-drag-drop

Then set the bounding positions to the View-port Edges.

There is a good documentation for it with examples on the link for all the features.
- mr inkoqnito
- - Joined 6 Mar, 2017
  - 5 topics • 14 posts
- 1
- 10 Jul, 2018
- Quote
Hello chadorireborn,

I will check out your addon now when i know what i did to cause my error=)

Thanks all!

/Isak