object fizzler

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This wall of particles destroys any objects that come in contact with it and closes any portals that have been opened by the player.

Step 1

First, you need to create an appropriate hallway for the size of fizzler you want. 128x128 Hammer Units is the most common in Portal test chambers although there are some that are 192 Hu across.

Step 2

The first thing that needs to be created is the doorway that will act as the fizzler holder. You can also use a prop for this effect as well, however for the purpose of this tutorial a model will be used.

Note:You can make a fizzler any size you want for your map, it will just require more info_particle_system entities.

The available props for this is:

• models/props/portal_cleanser_1.mdl

To use as a base we need to create a trigger_portal_cleanser, which in size should be 128x128. Note that this is the base size for a normal sized fizzler. Also the trigger should be just 2 Units thick.

Go ahead and name it if you want, that way you can keep track of how many you might have.

Modify the following flags:

	Flag
		Everything (not including physics debris)

The Everything Flag will fizzle prop_dynamic entities which can cause problems if the fizzler's model is one.

If this is the case, modify the following flags to fizzle player portals and cubes but *not* prop_dynamic entities:

	Flag
		Clients
		Physics Objects
		Everything (not including physics debris)

Step 3

framer&trigger

Make 2 prop_static entities and set their World Model to models/props/portal_cleanser_1.mdl, rotate one of them by 180 degrees.

You are free to line up everything you have so far directly in a straight line, or you can change it to your liking.

Step 4

two info_particle_system in model

Create a info_particle_system entity and enter the following properties:

Property Name	Value
Particle System Name	portal_cleanser
Start Active	Yes

Align it to the trigger brush precisely in the center.

effect

Respawning Boxes

If you have a box dropper that you want to spawn a new box if the player destroys one with a fizzler, you can use the output OnDissolveBox, but only if your box prop_physics is named box.

If you have multiple droppers in your map along with a cleanser and you want the box dropper to deliver a new box, follow these instructions:

Enter this output for the trigger_portal_cleanser:

	My Output	Target Entity	Target Input	Parameter	Delay	Only Once
	OnDissolve	!activator	FireUser1	<none>	0.00	No

Enter this output for the box:

	My Output	Target Entity	Target Input	Parameter	Delay	Only Once
	OnUser1	logic_drop_box	Trigger	<none>	0.00	No

You will have to change the logic_drop_box name in the output depending on which box dropper the box came from.

See also

• Portal Level Creation