LlGetRot

De DigiWiki.

//-- rotates an object to face the nearest cardinal direction (N,E,S,W)
//-- assumes build is aligned to root object facing
 
default{
  state_entry()
  {
    llSay( 0, "Rotate me in edit, then touch to make me face the nearest compass point" );
  }
 
  touch_start( integer vIntTouches )
  {
     //-- convert our rotation to x/y/z radians
    vector vRadBase = llRot2Euler( llGetRot() );
     //-- round the z-axis to the nearest 90deg (PI_BY_TWO = 90deg in radians)
    llSetRot( llEuler2Rot( <0.0, 0.0, llRound( vRadBase.z / PI_BY_TWO ) * PI_BY_TWO > ) );
  }
}