Rain Spray Effect?

GAB · Post by **GAB** » Thu Jul 24, 2014 12:18 pm

I'd like to know how to get a rain spray effect like this one:

Hidden/Spoiler:

These pictures are from the Dark Times 2 map Tibrin: Island. The effect is not very salient in the screenshots but anyone who has already played the rain variant of the map will know what I'm talking about. So, how is the effect done?

Marth8880 · Post by **Marth8880** » Thu Jul 24, 2014 1:15 pm

It was most likely done using Wind and Precipitation snow ENVFX with one of the water spray particle effect textures and altered Velocity, etc. parameters - parameters possibly along the lines of this:

Code: Select all

Effect("Wind")
{
	Enable(1);
	Velocity(20.0, 0.3);
	VelocityRange(3.0);
	VelocityChangeRate(0.2);
}


Effect("Precipitation")
{
	Enable(1);
	Type("Quads");
	Texture("fx_ammonia");
	ParticleSize(12.0);
	Color(224, 194, 125);
	Range(12.0);
	Velocity(7.0);
	VelocityRange(2.0);
	PC()
	{
		ParticleDensity(1.0);
	}
	ParticleDensityRange(0.0);
	CameraCrossVelocityScale(0.5);
	CameraAxialVelocityScale(1.0);
	AlphaMinMax(0.5, 0.9);
	RotationRange(25);
}

GAB · Post by **GAB** » Thu Jul 24, 2014 2:05 pm

Hummm, I originally thought it was done with some .odf but, sure, quads type preciptation and wind makes sense. I will test this later today.

EDIT

Is that fx_ammonia texture available in the ModTools?

Kingpin · Post by **Kingpin** » Thu Jul 24, 2014 2:16 pm

GAB wrote:Hummm, I originally thought it was done with some .odf but, sure, quads type preciptation and wind makes sense. I will test this later today.

EDIT

Is that fx_ammonia texture available in the ModTools?

Nope.

Marth8880 · Post by **Marth8880** » Thu Jul 24, 2014 3:05 pm

GAB wrote:Is that fx_ammonia texture available in the ModTools?

Nope. It's a custom one for my secret Jupiter map. ;^0

GAB · Post by **GAB** » Thu Jul 24, 2014 7:05 pm

Ok, I managed to get the effect working, but I wanted to pair it with a standard rain. And when I put two precipitation effect sections in my .fx file, the last one seemingly overwrites the previous. So my question now is: is there a way to have two types of precipitation effects at the same time or is this simply not doable at all?

Marth8880 · Post by **Marth8880** » Thu Jul 24, 2014 7:14 pm

Nope. You can't have more than one precipitation effect.

However, you could simply use a dusteffect prop to achieve the effect you want, though that'll use a LOT of particles and it'll likely induce quite a bit of lag.

GAB · Post by **GAB** » Thu Jul 24, 2014 7:17 pm

Too bad. Anyway, thanks for the help.

Noobasaurus · Post by **Noobasaurus** » Thu Jul 24, 2014 7:32 pm

Marth8880 wrote:Nope. You can't have more than one precipitation effect. However, you could simply use a dusteffect prop to achieve the effect you want, though that'll use a LOT of particles and it'll likely induce quite a bit of lag.

You can't load two .fx files through the world req?

GAB · Post by **GAB** » Thu Jul 24, 2014 8:21 pm

I actually tried that. But whatever data that is in the .fx that comes second in the world's .req file overwrites the data that is in the first.

Post by **Maveritchell** » Thu Jul 24, 2014 10:27 pm

For what it's worth, here's that precip section (FYI, all that was supposed to be was spray and dirt, a hurricane building up - not rain):

Hidden/Spoiler:

[code]Effect("Precipitation")

{

	Enable(1);

	Type("Quads");

	Texture("fx_wind");

	ParticleSize(0.23);

	Color(220, 220, 230);

	Range(15.0);

	Velocity(-0.05);

	VelocityRange(1.25);

	PS2()

	{

		ParticleDensity(50.0);

	}

	XBOX()

	{

		ParticleDensity(500.0);

	}

	PC()

	{

		ParticleDensity(100.0);

	}

	ParticleDensityRange(0.0);

	CameraCrossVelocityScale(1.0);

	CameraAxialVelocityScale(1.0);

	AlphaMinMax(0.3, 0.45);

	RotationRange(2.0);

}[/code]

Marth was on the money; I figured if you wanted to reproduce it exactly, though, I'd give you a leg up.

You're on your own for figuring out how to work in a second global environment particle FX, though - at least if you still want your map to run well.

If I were doing this, I'd skip putting in individual drops, though (driving rain doesn't really have rain visible in anything but sheets anyway), and use your sound design to tell the player what's going on. Sound is a powerful design tool, and if you put in some really nice ambient rain, your players will "see" the raindrops even if they're not visible.

Marth8880 · Post by **Marth8880** » Fri Jul 25, 2014 1:55 am

Maveritchell wrote:use your sound design to tell the player what's going on. Sound is a powerful design tool, and if you put in some really nice ambient rain, your players will "see" the raindrops even if they're not visible.

Exactly, right?!?

GAB, lemme know if you need any help finding good ambient rain tracks and making them quadraphonic.

GAB · Post by **GAB** » Fri Jul 25, 2014 8:46 am

OK. Thanks for the help everyone. And I managed to get some good results here. I kept the rain precipitation and used a Rhen Var odf to get a spray effect that looks very satisfactory without being very expensive.

Sound stuff I'll be doing later. I'll see if I can announce my current project soon.

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