hi
i want to play a sound when my ball collide with abjects based on their material.

collision for ball and grass sound1.wav
collision for ball and stone sound2.wav


but my problem is in pXent_setcollisionflag command i can just set one object to inform me collision with my object.
what about the others?

i can't use this code:
pXent_setcollisionflag ( entity1, entity2, NX_NOTIFY_ON_START_TOUCH)
ent.event = EventImpact1;

pXent_setcollisionflag ( entity1, entity3, NX_NOTIFY_ON_START_TOUCH)
ent.event = EventImpact2;

is there any solution?

if i set the second pointer in pXent_setcollisionflag command to NULL then i have a collision with level

at first what dose it mean in found in manual for above command:
" or NULL for collisions with the level when it was registered for physics"


i find out if i set the second parameter to NULL "all" physically static object report collision.

but what can i do for RIGID bodys?

Simply compare the you pointer in the event to check if entity2 or entity3 was hit.