I am just getting started with Defold.I have created a particle system and I want to attach it to foreground/stones on my simple game.
I have tried multiple ways but could not find the solution.Could you please help me ?
Please find the code for your reference
mobilegamer.zip (7.3 MB)
Hello and welcome!
As you’re getting started I strongly encourage you to take a look at Getting started with Defold 
Beside this, the problem you are facing is somehow misunderstanding of The building blocks of Defold, but don’t worry, here’s a quick explanation - you do not attach particles to sprites - just to game objects 
Particles, similarly to sprites, are components:
In your case you added a sprite and particlefx to the same game object, so you only need to adjust the position in the Editor:
(You can play particle effects in the Editor - select the particlefx and click Space to toggle it )
When you start the game, you can also see a log in the console:
This means, you are also misinterpreting or not used yet messaging in Defold, so take a look here:
And again, here’s a quick explanation - your script and particlefx are in different objects. You could either move the script to the same object or modify your current script to take an absolute path:
particlefx.play("main:/foreground#fire")
Here’s a zip with above corrections:
mobilegamer.zip (7.2 MB)
Thanks you so much @Pawel .It was really helpful.
On Defold project is there any way to show joystick for games?Will Defold support it?
Yes, sure, if you mean physical gamepads - everything is described here: Gamepad input in Defold
If you meant a virtual joystick for mobile touch screen, you can check out:
The demo for above module is online here:
Defold-Input 0.1 and what you are looking is probably under ONSCREEN button 