/// <summary>
/// 在无碰撞的前提下行走最远的距离
/// </summary>
/// <param name="obj">移动物体，默认obj.Rigid为true</param>
/// <param name="moveVec">移动的位移向量</param>
private void MoveMax(GameObject obj, Vector moveVec)
{
/*由于四周是墙，所以人物永远不可能与越界方块碰撞*/
XYPosition nextPos = obj.Position + Vector.Vector2XY(moveVec);
uint maxLen = collisionChecker.FindMax(obj, nextPos, moveVec);
maxLen = (uint)Math.Min(maxLen, (obj.MoveSpeed / Map.Constant.numOfStepPerSecond));
obj.Move(new Vector(moveVec.angle, maxLen));
}
/// <summary>
/// 移动物体
/// </summary>
/// <param name="obj">要移动的物体</param>
/// <param name="moveTime">移动的时间，毫秒</param>
/// <param name="moveDirection">移动的方向，弧度</param>
public void MoveObj(GameObject obj, int moveTime, double moveDirection)
{
Task.Run
(
() =>
{
lock (obj.moveLock)
{
if (!obj.IsAvailable)
{
return;
}
obj.IsMoving = true; //开始移动
}
GameObject.Debug(obj, " begin to move at " + obj.Position.ToString() + " At time: " + Environment.TickCount64.ToString());
double deltaLen = 0.0; //储存行走的误差
Vector moveVec = new Vector(moveDirection, 0.0);
//先转向
if (gameMap.Timer.IsGaming && obj.CanMove)
{
deltaLen += moveVec.length - Math.Sqrt(obj.Move(moveVec)); //先转向
}
GameObject?collisionObj = null;
bool isDestroyed = false;
new FrameRateTaskExecutor <int>
(
() => gameMap.Timer.IsGaming && obj.CanMove && !obj.IsResetting,
() =>
{
moveVec.length = obj.MoveSpeed / Map.Constant.numOfStepPerSecond + deltaLen;
deltaLen = 0;
//越界情况处理：如果越界，则与越界方块碰撞
do
{
Check:
collisionObj = collisionChecker.CheckCollision(obj, moveVec);
if (collisionObj == null)
{
break;
}
switch (OnCollision(obj, collisionObj, moveVec))
{
case AfterCollision.ContinueCheck: goto Check;
case AfterCollision.Destroyed:
GameObject.Debug(obj, " collide with " + collisionObj.ToString() + " and has been removed from the game.");
isDestroyed = true;
return(false);
case AfterCollision.MoveMax:
MoveMax(obj, moveVec);
moveVec.length = 0;
break;
}
} while (false);
deltaLen += moveVec.length - Math.Sqrt(obj.Move(moveVec));
return(true);
},
1000 / Map.Constant.numOfStepPerSecond,
() =>
{
if (!isDestroyed)
{
moveVec.length = deltaLen;
if ((collisionObj = collisionChecker.CheckCollision(obj, moveVec)) == null)
{
obj.Move(moveVec);
}
else
{
OnCollision(obj, collisionObj, moveVec);
}
obj.IsMoving = false; //结束移动
EndMove(obj);
}
return(0);
},
maxTotalDuration: moveTime
)
{
AllowTimeExceed = true,
MaxTolerantTimeExceedCount = ulong.MaxValue,
TimeExceedAction = b =>
{
Console.WriteLine("The computer runs so slow that the player cannot finish moving during this time!!!!!!");
}
}.Start();
}
);
}