//...
if GetLocalPlayer() == <твой игрок> then
     call StartSound(...)
endif
//...

library vectors  
        
      struct vector  
          real x  
          real y  
          real z  
          static method create takes real x, real y, real z returns vector  
              local vector v = vector.allocate()  
              set v.x=x  
              set v.y=y  
              set v.z=z  
              return v  
          endmethod  

          method realmul takes real r returns nothing  
              set .x=.x*r  
              set .y=.y*r  
              set .z=.z*r  
          endmethod  
            
          method getlength takes nothing returns real  
              return SquareRoot(.x*.x+.y*.y+.z*.z)  
          endmethod  
            
          method normalize takes nothing returns nothing  
              local real l = .getlength()  
              if l>0 then  
                  call .realmul(1/l)  
              endif  
          endmethod     
            
          method setlength takes real r returns nothing  
              local real l = .getlength()  
              if l>0 then  
                  call .realmul(r/l)  
              endif  
          endmethod  
            
          method scalarmul takes vector v returns real  
              return .x*v.x+.y*v.y+.z*v.z  
          endmethod  
            
          method vectorsum takes vector v returns nothing  
              set .x=.x+v.x  
              set .y=.y+v.y  
              set .z=.z+v.z  
          endmethod      
            
          method vectormul takes vector v returns nothing  
              local real x = .y*v.z-v.y*.z  
              local real y = .z*v.x-v.z*.x  
              local real z = .x*v.y-v.x*.y  
              set .x = x  
              set .y = y  
              set .z = z  
          endmethod  
            
          method clone takes nothing returns vector  
              local vector v=vector.allocate()  
              set v.x=.x  
              set v.y=.y  
              set v.z=.z  
              return v  
          endmethod        
            
          method copy takes vector p returns nothing  
              set .x=p.x  
              set .y=p.y  
              set .z=p.z              
          endmethod  
            
          method change takes real x, real y, real z returns nothing  
              set .x=x  
              set .y=y  
              set .z=z  
          endmethod  
      endstruct      
        
endlibrary