public int JudgeSafeSatate(float[] FallOffPosition, Cube nowCube, Cube nextCube)
{
float Xp = FallOffPosition[0];
float Yp = FallOffPosition[1];
if (nextCube.RefreshDirection == 1)
{
if (Xp >= nowCube.MinX && Xp <= nowCube.MidX)
{
if (Yp >= nowCube.y0FROMx0(Xp) && Yp <= nowCube.y1FROMx1(Xp))
{
return(30);
}
else
{
return(31);
}
}
if (Xp > nowCube.MidX && Xp <= nowCube.MaxX)
{
if (Yp >= nowCube.y2FROMx2(Xp) && Yp <= nowCube.y3FROMx3(Xp))
{
return(30);
}
else
{
return(31);
}
}
if (Xp > nowCube.MaxX && Xp < nextCube.MinX)
{
return(31);
}
if (Xp >= nextCube.MinX && Xp <= nextCube.MidX)
{
if (Yp >= nextCube.y0FROMx0(Xp) && Yp <= nextCube.y1FROMx1(Xp))
{
return(32);
}
else
{
return(31);
}
}
if (Xp > nextCube.MidX && Xp <= nextCube.MaxX)
{
if (Yp >= nextCube.y2FROMx2(Xp) && Yp <= nextCube.y3FROMx3(Xp))
{
return(32);
}
return(33);
}
if (Xp > nextCube.MaxX)
{
return(33);
}
}
if (nextCube.RefreshDirection == -1)
{
if (Xp >= nowCube.MinX && Xp <= nowCube.MidX)
{
if (Yp >= nowCube.y0FROMx0(Xp) && Yp <= nowCube.y1FROMx1(Xp))
{
return(30);
}
else
{
return(31);
}
}
if (Xp > nowCube.MidX && Xp <= nowCube.MaxX)
{
if (Yp >= nowCube.y2FROMx2(Xp) && Yp <= nowCube.y3FROMx3(Xp))
{
return(30);
}
else
{
return(31);
}
}
if (Xp > nextCube.MaxX && Xp < nowCube.MinX)
{
return(31);
}
if (Xp >= nextCube.MidX && Xp <= nextCube.MaxX)
{
if (Yp >= nextCube.y2FROMx2(Xp) && Yp <= nextCube.y3FROMx3(Xp))
{
return(32);
}
else
{
return(31);
}
}
if (Xp >= nextCube.MinX && Xp < nextCube.MidX)
{
if (Yp >= nextCube.y0FROMx0(Xp) && Yp <= nextCube.y1FROMx1(Xp))
{
return(32);
}
else
{
return(33);
}
}
if (Xp < nextCube.MinX)
{
return(33);
}
}
return(39);//还有情况没有考虑到，坐标以及方程之间的判断出错。
}
//游戏逻辑
public void RunLogic()
{
switch (nStateIndex)
{
case -1: //小人下落状态,只在游戏开始时运行一次,但是需要运行好几帧，此后循环只从nStateIndex=0开始
{
drawStateIndex = -11;
//当最后一帧运行动画时，进入if，因此在倒数第二针帧的动画结束时，RunDrawStateNegative11EndFlag赋值true，以至于最后一帧时进入此判断
if (RunDrawStateNegative11EndFlag)
{
RunDrawStateNegative11EndFlag = false;
nStateIndex = 0;
}
break;
}
case 0: //空闲状态，等待按压
{
textBlockbb.Text = "State 0 " + $"第{CountOfLevel}个方块" + " counts= " + CountOfAnimationFrame.ToString();
ScoreNumber.Content = CountOfLevel.ToString();
//计算安全区,计算新的nowcube和nextcube表面的四条函数方程
NowCube.ComputeParameterOfSafeZone();
NextCube.ComputeParameterOfSafeZone();
player.MoveDirection = NextCube.RefreshDirection;
drawStateIndex = 10;
break;
}
case 1: //蓄力状态
{
textBlockbb.Text = "State 1";
drawStateIndex = 11;
break;
}
case 2: //判断状态
{
textBlockbb.Text = "State 2";
//根据按键时间换算移动距离
player.distanceOfMove = player.PressTimeToDistance(dPressTime);
//计算出小人跳跃后落点的坐标。
player.FallOffPosition = player.ComputeFallOutPositon(player.distanceOfMove, player.Position, NextCube.Position, NextCube.RefreshDirection);
//计算小人跳跃函数的参数
player.parameterXYofJump(player.Position, NextCube.Position);
int isSafeFlag = player.JudgeSafeSatate(player.FallOffPosition, NowCube, NextCube);
nStateIndex = isSafeFlag;
drawStateIndex = 12;
break;
}
case 30: //跳在原Cube的情况
{
textBlockbb.Text = "State 30";
drawStateIndex = 130;
//只有当动画结束才执行的操作
if (RunDrawState130EndFlag)
{
//当RunDrawState130EndFlag=true进入此后，立刻置false,不然动画只能执行一次。
RunDrawState130EndFlag = false;
//当动画结束后，更新person现在的坐标，因为person跳跃的动画需要用到起跳的位置，所以只能在跳跃完成后更新person现在的坐标
player.Position = player.FallOffPosition;
//当动画结束后，进入0状态等待命令
nStateIndex = 0;
drawStateIndex = 10;
}
break;
}
case 31: //失败，跳在两个Cube之间的情况
{
textBlockbb.Text = "State 31 失败，跳在两个Cube之间的情况";
drawStateIndex = 131;
//只有当动画结束才执行的操作
if (RunDrawState131EndFlag)
{
//当RunDrawState130EndFlag=true进入此后，立刻置false,不然动画只能执行一次。
RunDrawState131EndFlag = false;
bGameOver = true;
}
break;
}
case 32: //成功跳到下一Cube的情况
{
textBlockbb.Text = "State 32";
drawStateIndex = 132;
CountOfAnimationFrame += 1; //第几个播放动画的帧数
if (RunDrawState132EndFlag)
{
//当RunDrawState130EndFlag=true进入此后，立刻置false,不然动画只能执行一次。
RunDrawState132EndFlag = false;
//当动画结束后，更新person现在的坐标，因为person跳跃的动画需要用到起跳的位置，所以只能在跳跃完成后更新person现在的坐标
player.Position = player.FallOffPosition;
//跳跃成功，之前的nextcube要就是现在的nowcube，所以要赋值一次，之前的nextcube重新初始化，当成下一个cube
NowCube = NextCube;
NextCube = new Cube();
NextCube.RefreshDistance = 200; //这个距离应该是随机出现的，现在暂时固定
NextCube.SideLength = 100;
Random rng = new Random();
int s = rng.Next(2);
if (s == 0)
{
NextCube.RefreshDirection = -1;
}
else
{
NextCube.RefreshDirection = 1; //这个方向应该是在-1和1中随机出现的，现在暂时固定
}
//计算新出现的cube的位置
NextCube.Position = NextCube.ComputCubePositon(NextCube.RefreshDirection, NextCube.RefreshDistance, NowCube.Position);
//当动画结束后，进入0状态等待命令,重新开始新的游戏循环
nStateIndex = 0;
drawStateIndex = 1320;
cubeFallIndex = 1;
//跳到了第几个方块
CountOfLevel++;
}
break;
}
case 33: //失败，跳过了下一个Cube的情况
{
textBlockbb.Text = "State 33 失败，跳过了下一个Cube的情况";
drawStateIndex = 133;
if (RunDrawState133EndFlag)
{
//当RunDrawState130EndFlag=true进入此后，立刻置false,不然动画只能执行一次。
RunDrawState133EndFlag = false;
bGameOver = true;
}
break;
}
}
}