protected void AddRect(BiomeRect n)
{
var newRects = new List <BiomeRect>(20)
{
n
};
var victims = new List <BiomeRect>(20);
foreach (var rect in Rects)
{
if (!n.Intersects(rect))
{
continue;
}
victims.Add(rect);
var clampn = rect.Intersect(n);
if (clampn.BottomLeft.X > rect.BottomLeft.X)
{
var colour = rect.Colour;
newRects.Add(new BiomeRect(rect.BottomLeft, new BiomeVector(clampn.BottomLeft.X, rect.TopRight.Y), colour));
}
if (clampn.TopRight.X < rect.TopRight.X)
{
var colour = rect.Colour;
newRects.Add(new BiomeRect(new BiomeVector(clampn.TopRight.X, rect.BottomLeft.Y), rect.TopRight, colour));
}
if (clampn.BottomLeft.Y > rect.BottomLeft.Y)
{
var colour = rect.Colour;
newRects.Add(new BiomeRect(new BiomeVector(clampn.BottomLeft.X, rect.BottomLeft.Y), new BiomeVector(clampn.TopRight.X, clampn.BottomLeft.Y), colour));
}
if (clampn.TopRight.Y < rect.TopRight.Y)
{
var colour = rect.Colour;
newRects.Add(new BiomeRect(new BiomeVector(clampn.BottomLeft.X, clampn.TopRight.Y), new BiomeVector(clampn.TopRight.X, rect.TopRight.Y), colour));
}
}
foreach (var victim in victims)
{
Rects.Remove(victim);
}
Rects.AddRange(newRects);
}
protected void Optimize()
{
var victims = new List <BiomeRect>(10);
var newrects = new List <BiomeRect>(5);
foreach (var rect in Rects)
{
// does this rect adjoin a similar height rect on its right hand side?
if (victims.Contains(rect))
{
continue;
}
foreach (var other in Rects)
{
if (rect.Equals(other))
{
continue;
}
if (victims.Contains(other))
{
continue;
}
if ((rect.Colour == other.Colour) &&
(rect.Height == other.Height) &&
(rect.TopRight.X == other.BottomLeft.X) &&
(rect.BottomLeft.Y == other.BottomLeft.Y))
{
var colour = rect.Colour;
colour = rect.Colour;
newrects.Add(new BiomeRect(rect.BottomLeft, other.TopRight, colour));
victims.Add(rect);
break;
}
}
}
foreach (var victim in victims)
{
Rects.Remove(victim);
}
Rects.AddRange(newrects);
}
//碰撞检测
public void Hit()
{
// 这部分和下面一部分最好不要合并。
// 意外是：子弹和小球同时击中。
bool bullet_hit = false;
for (int i = 0; i < Rects.Count;)
{
if (bullets.Count == 0)
{
break;
}
for (int k = 0; k < bullets.Count;)
{
if (bullets[k].rect.IntersectsWith(Rects[i].rectangle))
{
Rects[i].pictureBox.Visible = false;
Rects[i].pictureBox.Dispose();
Rects.Remove(Rects[i]);
bullet_hit = true;
bullets[k].pic.Visible = false;
bullets[k].pic.Dispose();
bullets.Remove(bullets[k]);
Mp3 mp3 = new Mp3();
mp3.FileName = @"..\..\Resources\hitBricks.wav";
mp3.play();
break;
}
else
{
k++;
}
}
if (bullet_hit)
{
bullet_hit = false;
}
else
{
i++;
}
}
for (int j = 0; j < balls.Count; j++)
{
//砖块与小球碰撞
for (int i = 0; i < Rects.Count; i++)
{
if (balls[j].speedY < 0)
{
balls[j].speedY = -3;
}
// 下面4个变量用来记录相交与否
// 如果某一条边和小球的矩形相交，则为true
// 否则为false
bool[] flags = new bool[4];
bool hit = false;
// 相交与否
flags[0] = Rects[i].rectangle.Contains(
new Point(balls[j].rect.X, balls[j].rect.Y));
flags[1] = Rects[i].rectangle.Contains(
new Point(balls[j].rect.X + 2 * ball_R, balls[j].rect.Y));
flags[2] = Rects[i].rectangle.Contains(
new Point(balls[j].rect.X, balls[j].rect.Y + ball_R * 2));
flags[3] = Rects[i].rectangle.Contains(
new Point(balls[j].rect.X + ball_R * 2, balls[j].rect.Y + ball_R * 2));
if (flags[0] && flags[1])
{
if (!isHeavy)
{
balls[j].speedY = -balls[j].speedY;
}
hit = true;
}
else if (flags[0] && !flags[1] && !flags[2])
{
hit = true;
if (!isHeavy)
{
if (balls[j].speedX > 0 && balls[j].speedY > 0)
{
balls[j].speedY = -balls[j].speedY;
}
else if (balls[j].speedX < 0)
{
balls[j].speedX = -balls[j].speedX;
}
else if (balls[j].speedX > 0 && balls[j].speedY < 0)
{
// impossible
return;
}
}
}
else if (flags[0] && flags[2])
{
hit = true;
if (!isHeavy)
{
balls[j].speedX = -balls[j].speedX;
}
}
else if (flags[2] && !flags[0] && !flags[3])
{
hit = true;
if (!isHeavy)
{
if (balls[j].speedX > 0 && balls[j].speedY < 0)
{
balls[j].speedY = -balls[j].speedY;
}
else if (balls[j].speedX < 0)
{
balls[j].speedX = -balls[j].speedX;
}
else if (balls[j].speedX > 0 && balls[j].speedY > 0)
{
// impossible
return;
}
}
}
else if (flags[2] && flags[3])
{
hit = true;
if (!isHeavy)
{
balls[j].speedY = -balls[j].speedY;
}
}
else if (flags[3] && !flags[1] && !flags[2])
{
hit = true;
if (!isHeavy)
{
if (balls[j].speedX < 0 && balls[j].speedY < 0)
{
balls[j].speedY = -balls[j].speedY;
}
else if (balls[j].speedX > 0)
{
balls[j].speedX = -balls[j].speedX;
}
else if (balls[j].speedX < 0 && balls[j].speedY > 0)
{
// impossible
return;
}
}
}
else if (flags[1] && flags[3])
{
hit = true;
if (!isHeavy)
{
balls[j].speedX = -balls[j].speedX;
}
}
else if (flags[1] && !flags[0] && !flags[3])
{
hit = true;
if (!isHeavy)
{
if (balls[j].speedX < 0 && balls[j].speedY > 0)
{
balls[j].speedY = -balls[j].speedY;
}
else if (balls[j].speedX > 0)
{
balls[j].speedX = -balls[j].speedX;
}
else if (balls[j].speedX < 0 && balls[j].speedY < 0)
{
// impossible
return;
}
}
}
if (hit)
{
//得分
score += (Rects[i].type + 1) * 10;
txtScore.Text = score.ToString();
if (i % 5 == 0)
{
Bonus bonus = new Bonus();
bonus.xPos = Rects[i].rectangle.X;
bonus.yPos = Rects[i].rectangle.Y;
bonus.rect = new Rectangle(bonus.xPos, bonus.yPos,
2 * ball_R, 2 * ball_R);
bonus.pic = new PictureBox();
bonus.pic.BackColor = Color.Transparent;
bonus.pic.Location = new Point(bonus.xPos, bonus.yPos);
bonus.pic.Size = new Size(2 * ball_R, 2 * ball_R);
this.splitContainer1.Panel1.Controls.Add(bonus.pic);
bonus.pic.BringToFront();
switch (random.Next(0, (int)(Bonus_Type.COUNT)))
{
case (int)Bonus_Type.INCREASE:
bonus.type = Bonus_Type.INCREASE;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.increaseLength;
break;
case (int)Bonus_Type.DECREASE:
bonus.type = Bonus_Type.DECREASE;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.decreaseLength;
break;
case (int)Bonus_Type.ADD_LIFE:
bonus.type = Bonus_Type.ADD_LIFE;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.life_small;
break;
case (int)Bonus_Type.BOMB:
bonus.type = Bonus_Type.BOMB;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.bomb;
break;
case (int)Bonus_Type.THREE_BALLS:
bonus.type = Bonus_Type.THREE_BALLS;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.ball;
break;
case (int)Bonus_Type.HEAVY_BALL:
bonus.type = Bonus_Type.HEAVY_BALL;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.heavyBall;
break;
case (int)Bonus_Type.BULLET:
default:
bonus.type = Bonus_Type.BULLET;
bonus.pic.Image = global::HitBrick_WinForm.Properties.Resources.lighting;
break;
}
bonuses.Add(bonus);
}
//删除砖块
Rects[i].pictureBox.Visible = false;
Rects[i].pictureBox.Dispose();
Rects.Remove(Rects[i]);
Mp3 mp3 = new Mp3();
mp3.FileName = @"..\..\Resources\hitBricks.wav";
mp3.play();
break;
}
}
}
//获得奖励
for (int i = 0; i < bonuses.Count;)
{
Bonus bonus = bonuses[i];
if (bonus.pic.RectangleToScreen(bonus.pic.DisplayRectangle)
.IntersectsWith(render.manImage.RectangleToScreen(render.manImage.DisplayRectangle)))
{
//奖励效果
switch (bonus.type)
{
case Bonus_Type.INCREASE:
render.type = Render.BarWidth.DOUBLE;
break;
case Bonus_Type.DECREASE:
render.type = Render.BarWidth.HALF;
break;
case Bonus_Type.ADD_LIFE:
if (remainLife < 3)
{
lifePics[remainLife].Visible = true;
remainLife++;
}
break;
case Bonus_Type.BOMB:
for (int num_bonus = 0; num_bonus < bonus_bricks && num_bonus < Rects.Count; num_bonus++)
{
int pick = random.Next(0, Rects.Count - 1);
// delete the brick
Rects[pick].pictureBox.Visible = false;
Rects[pick].pictureBox.Dispose();
Rects.Remove(Rects[pick]);
}
break;
case Bonus_Type.THREE_BALLS:
{
Ball ball1 = new Ball(10, 50);
this.splitContainer1.Panel1.Controls.Add(ball1.pic);
ball1.pic.BringToFront();
balls.Add(ball1);
Ball ball2 = new Ball(this.splitContainer1.Panel1.Width - 30, 50);
this.splitContainer1.Panel1.Controls.Add(ball2.pic);
ball2.pic.BringToFront();
balls.Add(ball2);
}
break;
case Bonus_Type.HEAVY_BALL:
{
isHeavy = true;
for (int j = 0; j < balls.Count; j++)
{
balls[j].pic.Image = global::HitBrick_WinForm.Properties.Resources.heavyBall;
}
}
break;
case Bonus_Type.BULLET:
default:
{
//render.setBegin(0);
numberOfBullets = 10;
break;
}
}
bonus.pic.Dispose();
bonuses.Remove(bonus);
}
//奖励消失
else if (bonus.yPos > this.Height)
{
bonus.pic.Dispose();
bonuses.Remove(bonus);
}
else
{
bonus.yPos = bonus.yPos + bonus_speed;
bonus.pic.Location = new Point(bonus.xPos, bonus.yPos);
bonus.rect = new Rectangle(bonus.xPos, bonus.yPos, 2 * ball_R, 2 * ball_R);
i++;
}
}
Point center = render.GetBarLocation();
for (int i = 0; i < balls.Count; i++)
{
//小球与挡板碰撞
if (balls[i].pic.RectangleToScreen(balls[i].pic.DisplayRectangle).IntersectsWith(
render.barImage.RectangleToScreen(render.GetBarRect()))
&&
balls[i].pic.RectangleToScreen(balls[i].pic.DisplayRectangle).IntersectsWith(
render.manImage.RectangleToScreen(render.manImage.DisplayRectangle)))
{
int dis_x = center.X - lastCenter.X;
int dis_y = center.Y - lastCenter.Y;
double angle = render.Angle;
if (angle < 0)
{
angle = angle + Math.PI;
}
if (angle > Math.PI / 2)
{
angle = Math.PI - angle;
}
// so now the v is this
// along the board: x*cosα-y*sinα
// and x*sinα+y*cosα
// rules: along the board, no changes, the other, direction and speedup.
if ((dis_x > 0 && balls[i].speedX > 0 && balls[i].speedX > dis_x) ||
(dis_x < 0 && balls[i].speedX <0 && dis_x> balls[i].speedX))
{
balls[i].speedX = dis_x * 1;
balls[i].speedX = dis_y * 1;
}
else
{
balls[i].speedX = (int)((balls[i].speedX * Math.Cos(2 * angle)
- balls[i].speedY * Math.Sin(2 * angle)) + dis_x * speedup_x);
balls[i].speedY = (int)((balls[i].speedX * Math.Sin(2 * angle)
+ balls[i].speedY * Math.Cos(2 * angle)) + dis_y * speedup_y);
if (balls[i].speedY == 0)
{
balls[i].speedY = 5;
}
}
}
}
lastCenter = center;
}