when green flag clicked
go to x: (0) y: (-150)
set [direction for shark v] to [2]
forever
    
move (direction for shark) steps
if <(x position) > [200]> then
    
set [direction for shark v] to [-2]
end
if <(x position) < [-200]> then
    
set [direction for shark v] to [2]
end
if <touching [diver v]?> then
broadcast [shark touches diver v]
    
next costume
end
wait (0.1) secs
end

when I receive [shark touches diver v]
hide
stop [all v]