How do I make a functional drag-and-drop system

Question

Background information

Like I have stated before here, I am trying to create a Plants vs. Zombies mod in Scratch. My main concern still seems to be attempting to create the drag-and-drop system (clicking the seed packet and then dragging and dropping it), however, the problem still seems to be the same, for example, in the editor, I can only drag the seed packet, and in preview mode, I can't drag anything.

What I have tried (scratchblocks format)

When I have clicked the seed packet

[scratchblocks]
when this sprite clicked
Greater than or equal to ([peashooter cost v]) (100)
[/scratchblocks]

To define Greater than or equal to (var) (number)

[scratchblocks]
define Greater than or equal to (var) (number)
if <<[(var)] > [(number)]> or <[(var)] = [(number)] then
broadcast [message 1 v]
else
end
[/scratchblocks]

The code for when the seed packet sends the message to the specific plant

[scratchblocks]
when I receive [message 1 v]
create clone of [myself v]
[/scratchblocks]

The code for dragging and dropping the clone

[scratchblocks]
when I start as a clone
if <<mouse down?>> = [false]> then
forever
show
set [brightness v] effect to (40)
go to x: (mouse x) y: (mouse y)
end
else
delete this clone
end
[/scratchblocks]

Note that unlike last time, I have, in fact, initialized the cost for the Peashooter:

My question

What am I doing wrong that would still cause the code to be like this?

Caleb Thoburn · Accepted Answer · 2023-05-25T17:10:23.103

1

When editing, scratch allows you to drag anything. To allow a sprite to be draggable whenever, go to the seneing section (light blue) and add the "set drag mode to draggable" and add it to "when flag clicked" in the sorite you want to be draggable. This will allow you to drag the sprite whenever you want. Here is how I would create a drag system, set drag mode to draggable, then, have a loop test if mouse is down, if mouse is not down it will reposition the seed packet to where it is supposed to be. That way, it is draggable, but when the player releases it it resets position.

edited May 25 '23 at 17:10

answered May 25 '23 at 17:07

Caleb Thoburn

26
7

That's the thing, I've already done that, so I honestly don't know what going on :\ – CrSb0001 May 25 '23 at 17:08
1

The peashooter packet is set to not draggable forever, try changing that to draggable – Caleb Thoburn May 25 '23 at 17:11
I hate to say it, but it didn't seem to change the result :\ – CrSb0001 May 25 '23 at 17:12
1

Did you click the flag after changing it? – Caleb Thoburn May 25 '23 at 17:12
Yes, I did do that. – CrSb0001 May 25 '23 at 17:12
1

Ohh, you are changing the peashooter, you need to chnage the sprite called peashooter sead packet. – Caleb Thoburn May 25 '23 at 17:13
Okay, but what would I need to change about it? I don't understand what you mean by "change the sprite called peashooter sead packet." – CrSb0001 May 25 '23 at 17:14
1

Look at the comments I put in the sprites in this remix: https://scratch.mit.edu/projects/857004668/ – Caleb Thoburn May 25 '23 at 17:15
1

Thank you for the information. I think it will be functional now. – CrSb0001 May 25 '23 at 17:17

How do I make a functional drag-and-drop system

Background information

What I have tried (scratchblocks format)

My question

1 Answers1

Linked