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Wiki » Reference » func_ entities » func_fracture
ARTICLE

func_fracture

This is an entity on id Tech 4 engines, present on DOOM 3, Quake 4 and Prey. Below you can find its spawnflags, keys and editor settings for each game that defines it.

DOOM 3

b-rep brittle fracture

Keys

Key Type Default Description
maxShardArea var maximum surface area of each shard
maxShatterRadius var maximum distance from impact where the surface is shattered
minShatterRadius var minimum distance from impact where the surface is shattered
linearVelocityScale var linear velocity scale
angularVelocityScale var angular velocity scale
health var the surface breaks when the health drops down to or below zero
fx var special effect to be used when surface breaks
decalSize var size of projected decal
mtr_decal var textures/decals/shot_glass material to be used for decals
snd_bullethole var glass_bullethole sound to play for bullet holes
snd_shatter var glass_shatter sound to play when the surface breaks
disableFracture var

Editor

Property Value
Type brush entity
Spawn class idBrittleFracture -> idEntity -> idClass
Color 0 .5 .8

Script events

Event Declared by
activate idBrittleFracture
getName idEntity
setName idEntity
activateTargets idEntity
numTargets idEntity
getTarget idEntity
randomTarget idEntity
bindToJoint idEntity
removeBinds idEntity
bind idEntity
bindPosition idEntity
unbind idEntity
setOwner idEntity
setModel idEntity
setSkin idEntity
getShaderParm idEntity
setShaderParm idEntity
setShaderParms idEntity
setColor idEntity
getColor idEntity
isHidden idEntity
hide idEntity
show idEntity
cacheSoundShader idEntity
startSoundShader idEntity
startSound idEntity
stopSound idEntity
fadeSound idEntity
getWorldOrigin idEntity
setWorldOrigin idEntity
getOrigin idEntity
setOrigin idEntity
getAngles idEntity
setAngles idEntity
getLinearVelocity idEntity
setLinearVelocity idEntity
getAngularVelocity idEntity
setAngularVelocity idEntity
getSize idEntity
setSize idEntity
getMins idEntity
getMaxs idEntity
touches idEntity
setGuiParm idEntity
setGuiFloat idEntity
getNextKey idEntity
setKey idEntity
getKey idEntity
getIntKey idEntity
getFloatKey idEntity
getVectorKey idEntity
getEntityKey idEntity
restorePosition idEntity
distanceTo idEntity
distanceToPoint idEntity
startFx idEntity
waitFrame idEntity
wait idEntity
hasFunction idEntity
callFunction idEntity
setNeverDormant idEntity
setGui idEntity
precacheGui idEntity
getGuiParm idEntity
getGuiParmFloat idEntity
guiNamedEvent idEntity
remove idClass

Quake 4

b-rep brittle fracture

Keys

Key Type Default Description
maxShardArea var maximum surface area of each shard
maxShatterRadius var maximum distance from impact where the surface is shattered
minShatterRadius var minimum distance from impact where the surface is shattered
linearVelocityScale var linear velocity scale
angularVelocityScale var angular velocity scale
health var the surface breaks when the health drops down to or below zero
fx var special effect to be used when surface breaks
decalSize var size of projected decal
mtr_decal var gfx/effects/decals/bulletglass material to be used for decals
snd_bullethole var bullet_impact_glass sound to play for bullet holes
snd_shatter var glass_break sound to play when the surface breaks
disableFracture var

Editor

Property Value
Type brush entity
Spawn class idBrittleFracture -> idEntity -> idClass
Color 0 .5 .8

Script events

Event Declared by
activate idBrittleFracture
getName idEntity
setName idEntity
activateTargets idEntity
numTargets idEntity
getTarget idEntity
randomTarget idEntity
bindToJoint idEntity
removeBinds idEntity
bind idEntity
bindPosition idEntity
unbind idEntity
setOwner idEntity
setModel idEntity
setSkin idEntity
getShaderParm idEntity
setShaderParm idEntity
setShaderParms idEntity
setColor idEntity
getColor idEntity
isHidden idEntity
hide idEntity
show idEntity
cacheSoundShader idEntity
startSoundShader idEntity
startSound idEntity
stopSound idEntity
fadeSound idEntity
getWorldOrigin idEntity
setWorldOrigin idEntity
getOrigin idEntity
setOrigin idEntity
getAngles idEntity
setAngles idEntity
getLinearVelocity idEntity
setLinearVelocity idEntity
getAngularVelocity idEntity
setAngularVelocity idEntity
getSize idEntity
setSize idEntity
getMins idEntity
getMaxs idEntity
touches idEntity
setGuiParm idEntity
setGuiFloat idEntity
getNextKey idEntity
setKey idEntity
getKey idEntity
getIntKey idEntity
getFloatKey idEntity
getVectorKey idEntity
getEntityKey idEntity
restorePosition idEntity
distanceTo idEntity
distanceToPoint idEntity
startFx idEntity
waitFrame idEntity
wait idEntity
hasFunction idEntity
callFunction idEntity
setNeverDormant idEntity
clearSkin idEntity
setContents idEntity
getLastBlocker idEntity
playEffect idEntity
stopEffect idEntity
stopAllEffects idEntity
getHealth idEntity
hideSurface idEntity
showSurface idEntity
guiEvent idEntity
playbackCallback idEntity
getBindMaster idEntity
applyImpulse idEntity
removeNullTargets idEntity
isA idEntity
isSameTypeAs idEntity
matchPrefix idEntity
clearTargetList idEntity
appendTarget idEntity
removeTarget idEntity
setHealth idEntity
remove idClass

Prey

b-rep brittle fracture

Keys

Key Type Default Description
maxShardArea var maximum surface area of each shard
maxShatterRadius var maximum distance from impact where the surface is shattered
minShatterRadius var minimum distance from impact where the surface is shattered
linearVelocityScale var linear velocity scale
angularVelocityScale var angular velocity scale
health var the surface breaks when the health drops down to or below zero
fx var special effect to be used when surface breaks
decalSize var 8 size of projected decal
mtr_decal var textures/decals/glassimpact material to be used for decals
snd_shatter var func_fracture_glass sound to play when the surface breaks
disableFracture var
cheapShards var if non-0 randomly throws out cheap shards with no physics. range is 0-100, where 0 is never and 100 is all cheap shards

Editor

Property Value
Type brush entity
Spawn class idBrittleFracture -> idEntity -> idClass
Color 0 .5 .8

Script events

Event Declared by
activate idBrittleFracture
moveToJoint idEntity
moveToJointWeighted idEntity
moveJointToJoint idEntity
moveJointToJointOffset idEntity
setSkin idEntity
spawnDebris idEntity
delayDamageEntity idEntity
dispose idEntity
setDeformation idEntity
setFloatKey idEntity
setVectorKey idEntity
setEntityKey idEntity
playerCanSee idEntity
setContents idEntity
setClipmask idEntity
setPortalCollision idEntity
killbox idEntity
getName idEntity
setName idEntity
findTargets idEntity
activateTargets idEntity
numTargets idEntity
getTarget idEntity
randomTarget idEntity
bindToJoint idEntity
removeBinds idEntity
bind idEntity
bindPosition idEntity
unbind idEntity
setOwner idEntity
setModel idEntity
getShaderParm idEntity
setShaderParm idEntity
setShaderParms idEntity
setColor idEntity
getColor idEntity
isHidden idEntity
hide idEntity
show idEntity
cacheSoundShader idEntity
startSoundShader idEntity
startSound idEntity
stopSound idEntity
fadeSound idEntity
getWorldOrigin idEntity
setWorldOrigin idEntity
getOrigin idEntity
setOrigin idEntity
getAngles idEntity
setAngles idEntity
getLinearVelocity idEntity
setLinearVelocity idEntity
getAngularVelocity idEntity
setAngularVelocity idEntity
getSize idEntity
setSize idEntity
getMins idEntity
getMaxs idEntity
touches idEntity
setGuiParm idEntity
setGuiFloat idEntity
getNextKey idEntity
setKey idEntity
getKey idEntity
getIntKey idEntity
getFloatKey idEntity
getVectorKey idEntity
getEntityKey idEntity
restorePosition idEntity
updateCameraTarget idEntity
distanceTo idEntity
distanceToPoint idEntity
startFx idEntity
waitFrame idEntity
wait idEntity
hasFunction idEntity
callFunction idEntity
setNeverDormant idEntity
playRumble idEntity
stopRumble idEntity
remove idClass

Last changed Sep 21, 2026
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