Function canTankMove

app/utils/canTankMove.ts:98–137

(state: State, tank: TankRecord, threshhold = -0.01)

}

export default function canTankMove(state: State, tank: TankRecord, threshhold = -0.01) {
  const {
    tanks,
    map: { bricks, steels, rivers, eagle, restrictedAreas },
  } = state
  const tankRect = asRect(tank)

  // 判断是否位于战场内
  if (!isInField(tankRect)) {
    return false
  }

  // 判断是否与地形相碰撞
  if (isTankCollidedWithEagle(eagle, tankRect, threshhold)) {
    return false
  }
  if (isTankCollidedWithBricks(bricks, tankRect, threshhold)) {
    return false
  }
  if (isTankCollidedWithSteels(steels, tankRect, threshhold)) {
    return false
  }
  if (isTankCollidedWithRivers(rivers, tankRect, threshhold)) {
    return false
  }

  // 判断是否与保留区域有碰撞
  if (isTankCollidedWithRestrictedAreas(restrictedAreas, tankRect, threshhold)) {
    return false
  }

  // 判断是否与其他坦克相碰撞
  const activeTanks = tanks.filter(t => t.alive)
  if (isTankCollidedWithOtherTanks(activeTanks, tank, tankRect, threshhold)) {
    return false
  }

  // 与其他物品都没有相撞, 则表示可以进行移动
  return true
}