Problems playing animation with msg.post (SOLVED)

Questions
1

I am very new to Defold and I am trying to play an animation using msg.post.

If I set the Playback property to anything other than None in design time, the animation will work. However, if I set the Playback to None and try to start the animation in my scripts Init(), it doesn’t work…

Here is the project structure:

  • I have fire.atlas which contains anim animation with 3 images
  • fire.collection contains 16 game objects (fire01, etc) and a sprite in it. It also contains go game object containing my script where the init is called to start the animation
  • main.collection contains fire.collection

The init() function contains only the function call:

msg.post("main:/fire/fire05#sprite", "play_animation", {id = hash("anim")})

I don’t see an error, so I believe the message is being delivered, but I can’t understand why it is not animating…

If there is something else I need to provide to make it clear, please let me know.

Thanks

Paulo

2

Is the animation set to loop or play only once? Could it be that it plays so fast that you do not notice it?

What if you add a script to one (or all) of the fire0x game objects and in init() do a msg.post("#sprite", "play_animation", {id = hash("anim")})?

Maybe provide a screenshot of the Project Outline for the fire.collection so that there is no question of how you’ve structured things?

3

Hi britzl,

I set the animation playback property to “None” in design time. My assumption is that I have to do that in order to play it in runtime only. If I am wrong what is the best approach to make the animation not play on startup but only after a certain condition (in my code) ?

I added the msg.post("#sprite", "play_animation", {id = hash("anim")}) command to a script under the fire01 game object and the effect is the same…

I am sure I am missing something important here, but I can’t figure out what :slight_smile:

If that helps, here are my project configuration:

Main project:

project_explorer.png506×838 103 KB

Fire atlas:

fire_atlas.png562×342 32.3 KB

Main collection:

main_collection.png572×876 108 KB

Fire collection:

fire_collection.png522×1034 98.6 KB

Thanks again!

Paulo

4

Ah, set a default animation to a single image that will act as your “idle” or no animation. Then change from None to Once Forward or Loop Forward or whatever is suitable for your animation.

1 Like
5

Excellent! That was it.

After I set the default animation I managed to start the other one that actually animates the flames.

Thanks!

Paulo