Info particle system

From Valve Developer Community

The title given to this article is incorrect due to technical limitations. The correct title is info_particle_system.

This Point-based Entity is available in all Source Games using the Orange Box engine.

Table of contents

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Entity Description

A entity that controls a defined particle, and can also be activated to turn on or off.

See also Half-Life 2: Episode Two Particle Effect List | Portal Particle Effect List | List of TF2 Particles.

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Keyvalues

targetname <target_source>

Defines the name that other entities refer to this entity by.

hammerid [Episode Two Update]

<integer readonly> This id is used for debugging purposes in Hammer.

parentname <target_destination>

Specifies the targetname of this entity's Parent in a movement hierarchy. Child entities move with their Parent.

angles <angle>

Pitch Yaw Roll (Y Z X)

This entity's angular orientation in the world (also used for angular effect entities).

effect_name

<string> Particle System Name

start_active

<boolean> If set, particle effect starts enabled.

cpoint1-63

<target_destination> If set, control point n of the effect will be at this entity's location.

cpoint1-7_parent

<target_destination> If set and nonzero, control point n of the effect will use this point for its parent.

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Inputs

Kill

Removes this entity from the world.

KillHierarchy

Removes this entity and all its children from the world.

AddOutput <string>

Evaluates a keyvalue/output on this entity. It can be potentially very dangerous, use with care.

Format: <key> <value>

Format: <output name> <targetname>:<inputname>:<parameter>:<delay>:<max times to fire (-1 == infinite)>

FireUser1-4

Causes this entity's OnUser1-4 outputs to be fired. See User Inputs and Outputs.

SetParent <target_destination>

Changes the entity's parent in the movement hierarchy.

SetParentAttachment <string>

Change this entity to attach to a specific attachment point on its parent. Entities must be parented before being sent this input. The parameter passed in should be the name of the attachment.

SetParentAttachmentMaintainOffset <string> [Episode One Update]

Change this entity to attach to a specific attachment point on it's parent. Entities must be parented before being sent this input. The parameter passed in should be the name of the attachment. The entity will maintain it's position relative to the Parent's Origin and Angles at the time it is attached.