push object away from explosion center

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John Pickford
 #1

   push_distance#=10
   explosion_radius#=100

   dx#=enemy_x - explosion_x
   dy#=enemy_y - explosion_y

   distance#=sqr(dx*dx+dy*dy)

if distance<explosion_radius

;normalize (create vector length 1)

  dx=dx/distance
  dy=dy/distance

  enemy_x=enemy_x+(dx*push_distance)
  enemy_y=enemy_y+(dy*push_distance)

endif