Nop ce n'est pas le probleme (le bool est initialise a true par default dans l'appel de cette fonction )

Prototype :

createAnimatedMeshSceneNodeEmitter (
scene::IAnimatedMeshSceneNode *node, 
bool useNormalDirection=true, 
const core::vector3df &direction=core::vector3df(0.0f, 0.03f, 0.0f), 
f32 normalDirectionModifier=100.0f,
 s32 mbNumber=-1, 
bool everyMeshVertex=false,
 u32 minParticlesPerSecond=5, 
u32 maxParticlesPerSecond=10, 
const video::SColor &minStartColor=video::SColor(255, 0, 0, 0),
 const video::SColor &maxStartColor=video::SColor(255, 255, 255, 255), 
u32 lifeTimeMin=2000, u32 lifeTimeMax=4000, 
s32 maxAngleDegrees=0,
 const core::dimension2df &minStartSize=core::dimension2df(5.0f, 5.0f), 
const core::dimension2df &maxStartSize=core::dimension2df(5.0f, 5.0f))=0);

 	Creates a particle emitter for an animated mesh scene node.