How do I get the correct event trigger?

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By JungleJoker
:warning: Old Version Published before Godot 3 was released.

Hi, I’m a web developer with experience in JavaScript (angular, react and node), Java and C#, so not a complete noob programming wise, however, I am a complete noob when it comes to game development. But I’m very eager to learn more. As my very first game I decided to make a little card game.
One of the first things I wanted to try was to make hand of cards, something like this:

enter image description here
enter image description here392×696 170 KB
So to get started I just spawned a couple of sprites wit areas and shapes that looks something like this:

Area2D (with script attached)
|-Sprite
|-CollisionShape2d

I can drag and snap images in place, no problem there. However my problem arises when 2 images overlap eachother. From then on, whenever I drag one around, both get moved around. My issue is pretty similar as the one posted here. where they say to “use the space2d to query” but I can’t seem to find any further documentation on it, so I don’t really know how to go on from here.

This is what my input+event code looks like:

func _input_event(viewport, event, shape_idx):
    if event.type == InputEvent.MOUSE_MOTION or event.type == InputEvent.SCREEN_DRAG :
        event = make_input_local(event)
        set_pos(get_global_mouse_pos())
        get_tree().set_input_as_handled()

Any pointers are greatly appreciated!

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:bust_in_silhouette: Reply From: gonzo191

I think you’re better off using UI based nodes and wiring up its input_event, mouse_enter and mouse_exit

signals than what you’re currently using.

Node2D
|_Control
    |_ TextureFrame

Wire up these signals on the Control node

Signals

input_event
mouse_enter
mouse_exit

Check out the example on git

Thank you very much for the example! This works much better indeed, also, the tracking on a touch screen feels smoother than with the area/collisionShape combo.

One more question though: When 2 cards overlap eachother, it’s possible that the bottom card get’s selected on a click. Do you know of a way to always get the top (visible) card in that situation?

JungleJoker | 2017-06-12 19:55

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:bust_in_silhouette: Reply From: Syl

Hello!

Can’t believe it. :smiley: Was looking for a card game to include in my project, posted a question for that, and I just stumbled on yours…

My project is Onyris (first time I read about your project), an rpg/adventure game of survival/race/socials set in dream world, and I need a card game as a chalenge to win a special card, of the world game. It happens in the library, against the librarian.
Here is the project, at its begining, in progress: DL.FREE.FR

Would you be willing to be a part of it, just leting me using your scripts and mechanics, or more as it seems to fit perfectly in my universe?