/// <summary>
/// ��ʼ��һ������Ϸ����ש��/��/��ǿ������Ҫ�����ʱ�����
/// </summary>
private void InitializeGame()
{
this.play();
powerUpList.Clear();
this.BackgroundImage = backgrounds[level-1];//ÿ�ػ�������,���ؿ�������ͼƬ����ʱ��ӵ�һ���ٴο�ʼ
paddle1 = new Paddle( 300, 380, 66, 24);
InitializeBall(level); //��ʼ��һ����
int brickHeight = 20;//ש���
int brickPadding = 5;//ש����
int borderPadding = 20;//ש�鵽�߽�ľ���
InitializeBricks(brickArray, brickColumns, brickRows, brickHeight, brickPadding, borderPadding, level);
for (int j = 0; j < brickRows; j++)
{
for (int i = 0; i < brickColumns; i++)
{
if (brickArray[i, j].Strength != 0) brickCount++;
}
}
}
/// <summary>
/// �����Ļҳ��Ƚ�����ײģ��
/// ����������˰�Ľǣ������䷴��
/// ����������˰���ϲ���Y�����ٶȷ�ת
/// ���������һ�������ƶ���������������Ǹ������һ���ٶ�
/// ͬ��Ҫȷ������ٶȲ��ܳ�����뾶
/// </summary>
/// <param name="paddle">��Ҫ�жϵİ�</param>
public void Collide(Paddle paddle)
{
ReverseY(); //������Σ��ȷ�תY�����ٶ���˵
//����������κ�һ�ǣ���תX�ٶ�
if ((paddle.Top > this.Top +dY && paddle.Top < this.Bottom + dY)
&& (paddle.Left > this.Left + dX && paddle.Left < this.Right + dX && dX > 0)
|| (paddle.Right > this.Left + dX && paddle.Right < this.Right + dX && dX < 0))
ReverseX();
int ratio = 4; // ���ٶ�/���ٶ�
dX += (paddle.X - paddle.OldX)/ratio;
dY += (paddle.Y - paddle.OldY)/ratio;
//���ٶȶ����ٶȲ�����Ӱ��
if (dX > radius) dX = radius;
if (dX < -radius) dX = -radius;
if (dY > radius) dY = radius;
if (dY < -radius) dY = -radius;
//��ֹ����ٶȹ��죨�����뾶������������뾶����ײ���������ײ���������㷨����
this.Active = true;
//��֮ǰ���û�м����ô���ںͰ�����֮��������ɵ���
}
/// <summary>
/// �����Ͱ��Ƿ�����ײ����������͵���Collision()����
/// </summary>
/// <param name="ball">Ҫ������</param>
/// <param name="paddle">Ҫ���İ�</param>
private void DetectPaddleCollision(Ball ball, Paddle paddle)
{
if ((ball.Right + ball.XSpeed > paddle.Left) &&
(ball.Left + ball.XSpeed < paddle.Right) &&
(ball.Bottom + ball.YSpeed > paddle.Top) &&
(ball.Top + ball.YSpeed < paddle.Bottom) &&
ball.YSpeed >= 0) //ͬ�ϱ��жϣ�������ײ���
{
ball.Collide(paddle);
paddleSound.Play();
}
}
/// <summary>
/// ��List ball���裬ʹ��Ļ��ֻ����һ�����Ҹ���������ٶȣ�����X�����Y����,����Y������ٶȸ��ڼ����й�
/// </summary>
private void InitializeBall(int l)
{
if (newPaddle != null) newPaddle.Dispose();
ballList.Clear();
Random randy = new Random();
int radius = 7;
int dX = randy.Next(-radius, radius);
int dY;
switch (l)
{
case 1: dY = 1;
break;
case 2: dY = 2;
break;
case 3: dY = 3;
break;
case 4: dY = 4;
break;
case 5: dY = 5;
break;
case 6: dY = 6;
break;
default: dY = 7;
break;
}
ballList.Add(new Ball(Brushes.White, radius, this.Width / 2, this.Height / 2 + 10, dX, dY));
paddle1 = new Paddle(300, 380, 66, 24);
this.newPaddle = new Label();
newPaddle.Visible = true;
newPaddle.AutoSize = false;
newPaddle.Size = new Size(66, 24);
newPaddle.Image = pad[1];
newPaddle.BackColor = Color.Transparent;
newPaddle.Location = new Point(paddle1.X, paddle1.Y);
this.Controls.Add(newPaddle);
if (level % 3 == 0)//����BOSS
{
MessageBox.Show("ǰ�������˰������ĸ������Ȼ��û���κι�������������ȻҪ��ʱ�����������������ٻ�����İ�����ս������", "���Դ���ľ���", MessageBoxButtons.OK, MessageBoxIcon.Information);
bossCount = level *4;
this.boss = new Label();
this.boss.BackColor = Color.Transparent;
boss.Visible = true;
boss.Location = new Point((this.Size.Width - boss.Size.Width) / 2, this.Size.Height / 8);
this.Controls.Add(boss);
switch (level)//���ؿ�ѡ��
{
case 3: { alternation = 120; boss.Image = boss_image[0]; boss.Size = boss_image[0].Size; }
break;
case 6: {alternation = 100; boss.Image = boss_image[1]; boss.Size = boss_image[1].Size;}
break;
case 9: {alternation = 90; boss.Image = boss_image[2]; boss.Size = boss_image[2].Size;}
break;
case 12: { alternation = 60; boss.Image = boss_image[3]; boss.Size = boss_image[3].Size; }
break;
}
}
}
/// <summary>
/// Advanced Collision Model between the ball and a paddle
/// If the ball hits a corner of the paddle, it is reflected back
/// If the ball hits the top of the paddle, it's y-speed is inverted
/// If the paddle is moving in any direction, it will nudge the ball in that direction
/// Also ensures the ball moves no further than it's radius per timer tick
/// </summary>
/// <param name="paddle">The paddle to detect collisions with</param>
public void Collide(Paddle paddle)
{
ReverseY(); //no matter what, the y-speed is always reversed
//if it will impact on any corner, reverse the X
if ((paddle.Top > this.Top +dY && paddle.Top < this.Bottom + dY)
//does the ball intersect the top of the paddle AND
&& (paddle.Left > this.Left + dX && paddle.Left < this.Right + dX && dX > 0)
//is the ball approaching from the left and intersecting the left?
|| (paddle.Right > this.Left + dX && paddle.Right < this.Right + dX && dX < 0))
//is the ball approaching from the right and intersecting the right?
ReverseX();
int ratio = 4; //ratio of paddle speed : ball speed change
dX += (paddle.X - paddle.OldX)/ratio;
dY += (paddle.Y - paddle.OldY)/ratio;
//increment the speed by the speed of the paddle
if (dX > radius) dX = radius;
if (dX < -radius) dX = -radius;
if (dY > radius) dY = radius;
if (dY < -radius) dY = -radius;
//catch if dX or dY is more than the radius
//the collision detection doesn't work if the ball travels too fast
//the ball could go right through a brick or wall or paddle without being detected
//also the game is more fun if the ball can't get too fast
this.Active = true;
//if the ball wasn't active before, i.e. it is a powerup from a brick, it is active now
}
/// <summary>
/// Sets up a new game. Called whenever the bricks/balls/powerups need to be reset
/// </summary>
private void InitializeGame()
{
brickCount = brickRows * brickColumns; //resets the brick count
powerUpList.Clear();
this.BackgroundImage = backgrounds[level % backgrounds.Length];
//changes background with each level
//rotates back to the beginning of the image array after the level number > number images in array
paddle1 = new Paddle(Brushes.Black, 100, 100, 50, 10);
InitializeBall(); //creates one ball
int brickHeight = 20;
int brickPadding = 5;
int borderPadding = 50;
InitializeBricks(brickArray, brickColumns, brickRows, brickHeight, brickPadding, borderPadding);
}
/// <summary>
/// Checks if a ball is about to hit the paddle and calls the Collide() method of the ball if it is
/// </summary>
/// <param name="ball">Ball object to check for collision</param>
/// <param name="paddle">Paddle object to check for collision</param>
private void DetectPaddleCollision(Ball ball, Paddle paddle)
{
if ((ball.Right + ball.XSpeed > paddle.Left) &&
(ball.Left + ball.XSpeed < paddle.Right) &&
(ball.Bottom + ball.YSpeed > paddle.Top) &&
(ball.Top + ball.YSpeed < paddle.Bottom) &&
ball.YSpeed >= 0) //is the ball about to hit the paddle
{
ball.Collide(paddle);
paddleSound.Play();
}
}
/// <summary>
/// ��ʼ��һ������Ϸ����ש��/��/��ǿ������Ҫ�����ʱ�����
/// </summary>
private void InitializeGame()
{
powerUpList.Clear();
this.BackgroundImage = backgrounds[level % backgrounds.Length];
//ÿ�ػ�������
//���ؿ�������ͼƬ����ʱ��ӵ�һ���ٴο�ʼ
paddle1 = new Paddle(Brushes.Black, 300, 400, 50, 10);
InitializeBall(level); //��ʼ��һ����
int brickHeight = 20;//ש���
int brickPadding = 5;//ש����
int borderPadding = 50;//ש�鵽�߽�ľ���
InitializeBricks(brickArray, brickColumns, brickRows, brickHeight, brickPadding, borderPadding,level);
for (int j = 0; j < brickRows; j++)
{
for (int i = 0; i < brickColumns; i++)
{
if (brickArray[i, j].Strength != 0) brickCount++;
}
}
if (level ==1)
{
bossCount = 1;
Image ba = Resource1.ball;
this.boss = new Label();
boss.Visible = true;
boss.AutoSize = false;
boss.Size = new Size(40, 40);
boss.Image = ba;
boss.Location = new Point((this.Size.Width-boss.Size .Width)/2,this.Size .Height/8 );
this.Controls.Add(boss);
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
Texture2D tempTexture = Content.Load<Texture2D>("paddle");
paddle = new Paddle(tempTexture, screenRectangle);
tempTexture = Content.Load<Texture2D>("ball");
ball = new Ball(tempTexture, screenRectangle);
brickImage = Content.Load<Texture2D>("brick");
StartGame();
}
