//create event

x_block = 120
y_block = 120

timepassed = 0

//draw event

timepassed += 1
draw_self()
draw_sprite(s_Box,0,x+dcos(timepassed+180)*x_block,y+dsin(timepassed+180)*y_block)
draw_sprite(s_Box,0,x+dcos(timepassed)*x_block,y+dsin(timepassed)*y_block)