public void ResovleCollsion(BaseBall ball)
{//根据角度反射出去
///1.先要把双方从碰撞的重叠部分移开(不然可能出现，这次碰撞后还是处于碰撞状态)
//两球分别向中心点连线方向反向移动((r+delta)/2-d/2)
//中心点连线向量
Vector2 mtr = ball.Position - Point;
Vector2 mtrN = Vector2.Normalize(mtr);
//右侧垂直向量
//Vector2 mtrE = new Vector2(mtrN.Y, -mtrN.X);
//重叠部分移动向量
Vector2 temp = mtrN * ((Constant.Ball_Radius - mtr.Length()));
ball.Position += temp;
//算出连线方向的分量和垂直连线方向的分量
float ballVx = Vector2.Dot(ball.Velocity, mtrN);
//float ballVy = Vector2.Dot(ball.Velocity, mtrE);
//碰撞后x方向速度交换
//this碰撞ball
ball.Velocity = Vector2.Add(ball.Velocity, mtrN * -2 * ballVx);
}
//对局初始化
public void Init()
{
suit = -1;
foul = 0;
combo = 0;
score = 0;
unhitBalls.Clear();
hitedBalls.Clear();
aimBall = null;
}
//初始化球桌
public void InitGameControl()
{
//初始化球
Balls = new BaseBall[16];
for (int i = 0; i < 16; i++)
{
Balls[i] = new BaseBall(i);
}
//初始化边框
Walls = new TableBorder[18];
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 3; j++)
{
Walls[3 * i + j] = new TableBorder(Constant.BorderPoint[4 * i + j],
Constant.BorderPoint[4 * i + j + 1]);
}
}
//初始化转角
Corners = new CornerPoint[12];
for (int i = 0; i < 12; i++)
{
Corners[i] = new CornerPoint(Constant.CornerPoint[i]);
}
//初始化球洞
Holes = new Hole[6];
for (int i = 0; i < 6; i++)
{
if (i == 1 || i == 4)
{
Holes[i] = new MidHole(Constant.Hole_Postion[i]);
}
else
{
Holes[i] = new EdgeHole(Constant.Hole_Postion[i]);
}
}
//初始化玩家
Players = new Player[2];
Players[0] = new Player();
Players[1] = new Player();
//初始化状态、控制信息
UnVisBall = new BaseBall();
UnVisBall.IsStill = false;
dropBalls = new List <BaseBall>();
//启动日志记录
}
//判断球是否掉进洞了
public bool IsBallDrop(BaseBall ball)
{
if (!ball.IsInHole)
{
float dissqr = Vector2.DistanceSquared(Position, ball.Position);
float radsqr = Radius * Radius;
if (dissqr < radsqr)
{
return(true);
}
}
return(false);
}
//解决碰撞
public void ResovleCollsion(BaseBall ball)
{
///1.先要把双方从碰撞的重叠部分移开(不然可能出现，这次碰撞后还是处于碰撞状态)
//两球分别向中心点连线方向反向移动((r+delta)/2-d/2)
float d = 2 * Radius;
//中心点连线向量
Vector2 mtr = ball.Position - Position;
Vector2 mtrN = Vector2.Normalize(mtr);
//右侧垂直向量
Vector2 mtrE = new Vector2(mtrN.Y, -mtrN.X);
//重叠部分移动向量
Vector2 temp = mtrN * ((d - mtr.Length()) / 2);
Position -= temp;
ball.Position += temp;
///2.计算速度
//两球碰撞，可以看成一方相对不动
//假设能量、动量守恒，则将速度分解到中心连线方向以及相切方向
//因为质量相等，所以不动的小球碰撞后速度为中心连线方向速度，
//发起碰撞的小球只剩切线方向的速度
//需要判断两球中谁是碰撞的发起者，谁是静止不动被碰撞的那个！！！！
//对方奔向自己的速度 SubVelocity
//对方朝向自己的方向 mtrN
//算出双方在连线方向的分量和垂直连线方向的分量
float thisVx = Vector2.Dot(velocity, mtrN);
float thisVy = Vector2.Dot(velocity, mtrE);
float ballVx = Vector2.Dot(ball.velocity, mtrN);
float ballVy = Vector2.Dot(ball.velocity, mtrE);
//碰撞后x方向速度交换
//this碰撞ball
velocity = mtrN * (ballVx);
ball.velocity = mtrN * (thisVx);
ball.IsStill = false;
IsStill = false;
velocity = Vector2.Add(velocity, mtrE * thisVy);
ball.velocity = Vector2.Add(ball.velocity, mtrE * ballVy);
}
public void ResovleCollsion(BaseBall ball)
{//根据角度反射出去
Vector2 L1 = ball.Position - Point1;
float dot = Vector2.Dot(L1, Line);
Vector2 L2 = L1 - Line * dot;
Vector2 L2N = Vector2.Normalize(L1 - Line * dot); //垂直方向向量
//挤出去
ball.Position += L2N * (Constant.Ball_Radius / L2.Length());
//反弹
Vector2 Vx = L2N * Vector2.Dot(ball.Velocity, L2N);
ball.Velocity -= 2 * Vx;
}
public bool IsBallCollsion(BaseBall ball)
{
if (!ball.IsInHole && !ball.IsStill)
{//计算球到角的距离
Vector2 L = ball.Position - Point;
if (L.LengthSquared() > Constant.Ball_RadiusSquared)
{
return(false);
}
ball.IsTouchWall = true;
return(true);
}
return(false);
}
public bool IsBallCollsion(BaseBall ball)
{
if (!ball.IsInHole && !ball.IsStill)
{//计算球到边的距离
Vector2 L1 = ball.Position - Point1;
float L1sqr = L1.LengthSquared();
float L2sqr = (ball.Position - Point2).LengthSquared();
//最大边平方大于两边平方和，钝角
if (Math.Max(L1sqr, L2sqr) - Math.Min(L1sqr, L2sqr) > Linesqr)
{
return(false);
}
float dot = Vector2.Dot(L1, Line);
if (L1.LengthSquared() < Constant.Ball_RadiusSquared + dot * dot)
{
ball.IsTouchWall = true;
return(true);
}
}
return(false);
}
public void SetAimBall(BaseBall ball)
{
aimBall = ball;
}
//球掉进洞
public void BallDrop(BaseBall ball)
{
ball.IsInHole = true;
ball.IsStill = true;
//ball.Velocity = new Vector2(0, 0);
}
//击球，给这个球附上一个什么样的状态
public void Hit(BaseBall ball)
{
ball.Velocity = Vector2.Normalize(angle) * Strange;
ball.IsStill = false;
}
