吹っ飛ばしのやり方が分からない

loop entities in radius {_damage} around {_P}:
  set {_K} to location of loop-entity
  push loop-entity direction from {_P} to {_K}
  if loop-entity is not player:
    set {last_attack.%loop-entity%} to player
    damage loop-entity by {_damage}

loop entities in radius {_damage} around {_P}:
  set {_K} to location of loop-entity
  push loop-entity direction from {_P} to {_K}
  if loop-entity is not player:
    set {last_attack.%loop-entity%} to player
    damage loop-entity by {_damage}

loop entities in radius {_damage} around {_P}:
  set {_K} to location of loop-entity
  push loop-entity direction from {_P} to {_K}
  if loop-entity is not player:
    set {last_attack.%loop-entity%} to player
    damage loop-entity by {_damage}

loop entities in radius {_damage} around {_P}:
  set {_K} to location of loop-entity
  push loop-entity direction from {_P} to {_K}
  if loop-entity is not player:
    set {last_attack.%loop-entity%} to player
    damage loop-entity by {_damage}

 set {_pv} to vector of {_p}
 set {_kv} to vector of {_k}
 set {_px} to x of {_pv}
 set {_py} to y of {_pv}
 set {_pz} to z of {_pv}
 set {_kx} to x of {_kv}
 set {_ky} to y of {_kv}
 set {_kz} to z of {_kv}
 set {_dx} to {_kx} - {_px}
 set {_dy} to {_ky} - {_py}
 set {_dz} to {_kz} - {_pz}
 set {_l} to sqrt({_dx}^2 + {_dy}^2 + {_dz}^2) / 2
 set {_dx} to {_dx} / {_l}
 set {_dy} to {_dy} / {_l}
 set {_dz} to {_dz} / {_l}
 set velocity of {_k} to vector({_dx}, {_dy}, {_dz})

 set {_pv} to vector of {_p}
 set {_kv} to vector of {_k}
 set {_px} to x of {_pv}
 set {_py} to y of {_pv}
 set {_pz} to z of {_pv}
 set {_kx} to x of {_kv}
 set {_ky} to y of {_kv}
 set {_kz} to z of {_kv}
 set {_dx} to {_kx} - {_px}
 set {_dy} to {_ky} - {_py}
 set {_dz} to {_kz} - {_pz}
 set {_l} to sqrt({_dx}^2 + {_dy}^2 + {_dz}^2) / 2
 set {_dx} to {_dx} / {_l}
 set {_dy} to {_dy} / {_l}
 set {_dz} to {_dz} / {_l}
 set velocity of {_k} to vector({_dx}, {_dy}, {_dz})