## Firework

Learn here how to create and use plugins.

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Josh
Graphic designer
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Posts: 2212
Joined: Sat Mar 11, 2017 19:20
Location: The Netherlands
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Version: Beta

### Firework

In this tutorial, I'm going to show how to make firework. You don't need any graphics since the particles are defined in code.

Code: Select all

[
{
"id":"$firework30","type":"animation","frames":[{"steal":"$anim_firework00","frame":2}],
"meta":{"tags":{"firework":{
"alpha":0.5,
"speed":15,
"speed variation":0,
"n":1,
"time":2500,
"time variation":0,
"next":[
{"id":"$firework31", "always":true}, {"id":"$firework32"}
]
}}}
},
{
"id":"$firework31","type":"animation","frames":[{"steal":"$anim_firework00","frame":2}],
"meta":{"tags":{"firework":{
"alpha":100,
"speed":5,
"speed variation":1,
"n":1000,
"time":750,
"time variation":1
}}}
},
{
"id":"$firework32","type":"animation","frames":[{"steal":"$anim_firework00","frame":3}],
"meta":{"tags":{"firework":{
"alpha":100,
"speed":5,
"speed variation":1,
"n":1000,
"time":750,
"time variation":1
}}}
},
{
"id":"$syl_spawner03", "type":"decoration", "category":"$category_firework00",
"title":"Willow",
"text":"A big willow.",
"width":1,
"height":1,
"frames":[{"x":960,"y":524,"w":32,"h":20,"offset x":1024,"offset y":1024}],
"on click fun":[
{
"actions":[{"type":"firework","id":"$firework30","z":1}] } ], "fun":[ { "condition":{"type":"or","inner":[ {"type":"building","id":"$on","x":1},
{"type":"building","id":"$on","y":1}, {"type":"building","id":"$on","x":-1},
{"type":"building","id":"$on","y":-1} ]}, "actions":[{"type":"firework","id":"$firework30","z":1}]
}
],
"requirements":[{"type":"FEATURE","id":"$feature_firework00"}] } ] The frames are from this picture called$anim_firework00, from left to right (0-14)
\$anim_firework00.png (660 Bytes) Viewed 661 times
The whole code for the huge willow. Let's go through it!

"alpha" - The direction of the particle(s).
"speed" - The speed of a particle(s).
"speed variation" - If there should be variation in speed of the particle(s).
"n" - The number of particles to spawn.
"time" - The duration of the particle(s).
"time variation" - If there should be variation in the duration of the particle(s).
"next" - The id of the particle(s) that should spawn after the lifetime of the current particle(s) expired.

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Lobby
Developer
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Joined: Sun Oct 26, 2008 12:34
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### Re: Firework

Cool, thank you
So firework is basically a description of how to spawn particles and what to do when they're at the end of their life time (e.g. spawning new ones).
...

Josh
Graphic designer
Reactions:
Posts: 2212
Joined: Sat Mar 11, 2017 19:20
Location: The Netherlands
Plugins: Show
Version: Beta