Emitter

[AndyGFX]

I have used same code for two emitters, difference is only in parameter CYCLEMODE, but result looks like bug, because Emitter position is moved in Velocity vector too, when is cyclemode set to 1. Is it bug? (From my point of view - yes) but I waiting for confirmation from others. Then i write bug to bugtracker, when yes.

 

Function Fire()

Local particle:TEmitter

setWorld(fw.transparency.world)

	particle = CreateEmitter(80, 500, Vec3(0, 4, 0), 0)

	particle.SetPosition(Vec3(-1, 0, 0))
	particle.SetRotation(Vec3(0, 0, 0))
	EntityColor(particle, Vec4(1, 0.5, 0.25, 0.5))
	PaintEntity(particle, LoadMaterial("abstract::fire.mat"))
	SetEmitterRadius(particle, 0.1, 0.5)
	SetEmitterRotationSpeed(particle, 0.2)

setWorld(fw.Main.world)


Local particle2:TEmitter

setWorld(fw.transparency.world)

	particle2 = CreateEmitter(80, 500, Vec3(0, 4, 0), 1)

	particle2.SetPosition(Vec3(1, 0, 0))
	particle2.SetRotation(Vec3(0, 0, 0))
	EntityColor(particle2, Vec4(1, 0.5, 0.25, 0.5))
	PaintEntity(particle2, LoadMaterial("abstract::fire.mat"))
	SetEmitterRadius(particle2, 0.1, 0.5)
	SetEmitterRotationSpeed(particle2, 0.2)				

setWorld(fw.Main.world)

End Function

 

[AndyGFX]

Any news about this ... ?

[cocopino]

Hi Andy,

Your 2nd emitter doesn't show at all on my machine with latest Leadwerks 2.32. Only when I set cyclemode=0 it shows.

[Guest Red Ocktober]

also, in the editor in 2.32R i get this...

 

 

 

 

 

 

 

(reported in bug tracker)

 

 

--Mike

[macklebee]

Hi Andy,

Your 2nd emitter doesn't show at all on my machine with latest Leadwerks 2.32. Only when I set cyclemode=0 it shows.

 

It doesn't show because its a one-shot when cyclemode is set to a 1 and it would already do the oneshot emitter by the time the game loads completely. You would have to set it up to only display say when you hit a key to see it.

 

I don't know Andy... it appears to be doing exactly what its being telling to do... the only thing that seems strange is that the oneshot emitter seems brighter than the continuous emitter

 

[AndyGFX]

The "seems brighter" is, because all 80 particles are created on same place, and for this I think, that is bug.

[macklebee]

The "seems brighter" is, because all 80 particles are created on same place, and for this I think, that is bug.

 

ah good point... looks like the continuous emitter when the number of particles are set to 1

 

so... i guess i am confused... what are you suggesting is the problem? the fact that the oneshot emitter does all 80 particles at the same time?

[AndyGFX]

Try change alpha color to 0.0125 with 80 particles, and then same alpha with only one particle.

 

 

particle2 = CreateEmitter(80, 500, Vec3(0, 4, 0), 1)

EntityColor(particle2, Vec4(1, 0.5, 0.25, 0.0125))

 

 

particle2 = CreateEmitter(1, 500, Vec3(0, 4, 0), 1)

EntityColor(particle2, Vec4(1, 0.5, 0.25, 0.0125))

 

Edit:

 

Because emitter is moved in same velocity as is defined for particles nodes, then all new particles are created on actual node position and sum of all alpha is >1 => without transparency.

[macklebee]

yeah, I see what you are getting at... but isn't this what you would expect? Shouldn't 80 particles be more prevalent in the scene?

[Guest Red Ocktober]

this is what i'm getting with the default emitter... with a lil yellow color...

 

see how the particles are darker when they pass in front of terrain...

 

in 2.31 all was well with this...

 

[edit]

 

added a shot of same emitter in 2.31 (bottom right)... issue not present back then...

 

 

--Mike

[cocopino]

"this is what i'm getting with the default emitter... a lil yellow color..."

 

I've seen this too. Do you have DOF enabled?

[macklebee]

yep, i can confirm that... appears to only be an issue in the editor though... i cant reproduce it inside a bmax program...

 

Edit--- cocopino- it occurs with or without DOF turned on...

[AndyGFX]

Second strange thing is, why bullet.lua with cyclemode=1 works (is used in fpscontroller.lua).

 

...

if pick~=nil then
			SetWorld(fw.transparency.world)
			emitter=CreateEmitter(5,700,pick.normal,1)
			emitter:SetVelocity( pick.normal )
			emitter:SetRadius(0.1,0.5)
			emitter:SetWaver(10)
			emitter:SetColorf(0.5,0.5,0.5,0.1)
			emitter:Paint(material_impactdust)
			emitter:SetPosition( pick.position )
			emitter:SetRotationSpeed(0.1)
			SetWorld(fw.main.world)
...

 

Note: Looks like for Lua LE API is this issue fixed.