Garry's Mod Wiki

EFFECT

These hooks are used inside of a Lua effect. Lua effects are stored in either the /lua/effects directory or in a gamemode in /gamemodes/<gamemodename>/entities/effects.

Effects are entities with the class CLuaEffect, and as such, Entity functions are usable on them (using the self argument).

An EFFECT is made using either a combination of the EFFECT:Init, EFFECT:Render and optionally the EFFECT:Think hook. Another way is to create all particles in one go in the Init hook and don't use the other hooks at all.

Example

Creates a particle effect using a combination of the Init and the Think hooks.

function EFFECT:Init( data ) self.data = data self.particles = 4 end function EFFECT:Think() return true end function EFFECT:Render() local vOffset = self.data:GetOrigin() + Vector( 0, 0, 0.2 ) local vAngle = self.data:GetAngles() local emitter = ParticleEmitter( vOffset, false ) for i=0, self.particles do local particle = emitter:Add( "effects/softglow", vOffset ) if particle then particle:SetAngles( vAngle ) particle:SetVelocity( Vector( 0, 0, 15 ) ) particle:SetColor( 255, 102, 0 ) particle:SetLifeTime( 0 ) particle:SetDieTime( 0.2 ) particle:SetStartAlpha( 255 ) particle:SetEndAlpha( 0 ) particle:SetStartSize( 1.6 ) particle:SetStartLength( 1 ) particle:SetEndSize( 1.2 ) particle:SetEndLength( 4 ) end end emitter:Finish() end

Example

Creates a particle effect using only the Init hook. To use this effect in a loop one needs to create a new instance of this effect every drawn frame.

function EFFECT:Init( data ) local vOffset = data:GetOrigin() + Vector( 0, 0, 0.2 ) local vAngle = data:GetAngles() local emitter = ParticleEmitter( vOffset, false ) for i=0,4 do local particle = emitter:Add( "effects/softglow", vOffset ) if particle then particle:SetAngles( vAngle ) particle:SetVelocity( Vector( 0, 0, 15 ) ) particle:SetColor( 255, 102, 0 ) particle:SetLifeTime( 0 ) particle:SetDieTime( 0.2 ) particle:SetStartAlpha( 255 ) particle:SetEndAlpha( 0 ) particle:SetStartSize( 1.6 ) particle:SetStartLength( 1 ) particle:SetEndSize( 1.2 ) particle:SetEndLength( 4 ) end end emitter:Finish() end function EFFECT:Think() return false end function EFFECT:Render() end

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