Advance time in emitters

[TomLGD]

Hi guys,

 

for my game i use a emitter (game.add.emitter) for a snowing weather effect.

 

When i start the state the emitter starts as well.

 

So it looks like it has just started to snow right at the moment the player starts the game.

 

Is it possible to advance the emitter progress. So it looks like the emitter does its work

for a while?

 

thanks

Tom

[jmp909]

Post your emitter code snippet so we can see what's wrong. Thanks

[TomLGD]

Here is my Emitter Code:

addSnowflakes: function(name) {	if (isMobile) return;	var emitter = game.add.emitter(game.world.centerX, -32, 600);    	emitter.makeParticles("atlas", ["snowflake", "snowflakebig"]);	emitter.maxParticleScale = 1;	emitter.minParticleScale = 1;	emitter.setXSpeed(-10, 10);	emitter.setXSpeed(2, 10);	emitter.gravity = 0;	emitter.width = game.world.width * 1.5;	emitter.minRotation = 0;	emitter.maxRotation = 0;	emitter.start(false, 4000, 1);},

I don't know how this helps cause its a general question about emitters^^

[jmp909]

I'm a bit confused. so your emitter is actually working?

 

oh i see.... you want to essentially start as if the emitter had been running for a while.

[TomLGD]

right^^

[jmp909]

I can't see a way to do it in the code

https://github.com/photonstorm/phaser/blob/858ad5161028d45d65679c88fc1e9a08ceed1f8f/src/particles/arcade/Emitter.js

 

possibly you could speed up your game for a bit before showing it.. but that's going to cause a whole load of unknown side effects

game.time.slowMotion = 0.001

i tried fiddling with it here

http://phaser.io/sandbox/edit/LlkfEvEx

 

might be worth making a request for phaser 3.. regarding just being able to set the game physics time temporarily to calculate projected movement etc as well

[jmp909]

(was also asked just over a year ago.. http://www.html5gamedevs.com/topic/9660-how-to-fast-forward-a-particle-emitter-on-load/)

[TomLGD]

One solution would be so "transfer" the emitter.

Cause i will restart the state  every time the user wants to play again.

So the emitter is always reset and restarted.

Is it possible to hold the current emitter state for reusing?

[jmp909]

this is what Rich said

onEmit is called the moment they are ​_born_​, so can definitely be used to alter immediate propertieshowever what I'd likely do is just set the Emitter to manualUpdate and then step through it as many times as you needthen put it back under plugin control

I think that latter part may just be for Particle Storm, as I don't see that option in Phaser code

https://github.com/photonstorm/phaser/search?utf8=%E2%9C%93&q=manualupdate