public void AddBall()
{
Ball anotherball = new Ball();
anotherball.CenterPositionF = new Point(buffle.left + BuffleWidth / 2, BuffleTop - (int)Radius);
anotherball.MoveDirection = Vector2.GetRandomVector2(0.9f, 1.0f, -0.9f, -1.0f);
anotherball.lv = Energy/5;
balls.Add(anotherball);
}
bool CheckCollision(Ball thisball)
{
bool flag = false;
bool x_turn = false;
bool y_turn = false;
if (thisball.CenterPositionF.Y > BuffleTop)
{
gamerunning = false;
return false;
}
if (bricks_remained == 0)
{
gamerunning = false;
return false;
}
if (thisball.CenterPositionF.Y > BuffleTop - Radius)
{
if (thisball.CenterPositionF.X > buffle.left && thisball.CenterPositionF.X < buffle.left + BuffleWidth)
{
flag = true;
y_turn = true;
thisball.MoveDirection.X = ((float)(thisball.CenterPositionF.X - buffle.left - BuffleWidth / 2) / (float)Radius);
while (thisball.MoveDirection.X * thisball.MoveDirection.X >= 4.0f)
thisball.MoveDirection.X += (thisball.MoveDirection.X > 0) ? (-1.0f) : 1.0f;
}
}
Brick br;
List<Brick> br_rm = new List<Brick>();
for (int i = 0; i < bricks.Count(); i++)
{
br = bricks[i];
if (thisball.CenterPositionF.X > br.Pos.Left - Radius
&& thisball.CenterPositionF.X < br.Pos.Left + br.Pos.Width + Radius)
{
if (thisball.CenterPositionF.Y > br.Pos.Top - Radius
&& thisball.CenterPositionF.Y < br.Pos.Top + br.Pos.Height + Radius)
{
flag = true;
for (int j = 0; j < 1 + thisball.lv; j++ )
{
if (br.HitBrick())
{
bricks_remained--;
br_rm.Add(br);
break;
}
}
if (thisball.CenterPositionF.X < br.Pos.Left
|| thisball.CenterPositionF.X > br.Pos.Left + br.Pos.Width)
x_turn = true;
if (thisball.CenterPositionF.Y < br.Pos.Top
|| thisball.CenterPositionF.Y > br.Pos.Top + br.Pos.Height)
y_turn = true;
}
}
}
if (thisball.CenterPositionF.Y < Pos.Top + Radius)
{
flag = true;
y_turn = true;
}
if (thisball.CenterPositionF.X < Pos.Left + Radius
|| thisball.CenterPositionF.X > Pos.Right - Radius)
{
flag = true;
x_turn = true;
}
if (x_turn) thisball.MoveDirection.X *= -1;
if (y_turn) thisball.MoveDirection.Y *= -1;
Item newitem;
foreach (Brick b in br_rm)
{
bricks.Remove(b);
//item produced
if (GetRandom.GetRandomFloat() <= 0.4f)
{
newitem = new Item(b.Pos.Location, GetRandom.GetRandomInt(6), BuffleTop, ItemFallFactor);
items.Add(newitem);
}
}
return flag;
}
public void Init(int lv)
{
//def global values
BuffleTop = Pos.Bottom - 30;
BallMoveFactor = 6.0f + 1.0f * lv;
BuffleMoveDistance = 15 + 3 * lv;
ItemFallFactor = 4 + 1 * lv;
Energy = 0;
canmove = false;
gamerunning = false;
//add buffle
buffle = new Board(0, Pos.Left + Pos.Width / 2, BuffleTop, BuffleWidth);
//add first ball
balls.Clear();
Ball thisball = new Ball();
thisball.CenterPositionF = new PointF(buffle.left + BuffleWidth / 2, BuffleTop - Radius);
thisball.MoveDirection = Vector2.GetRandomVector2(0.9f, 1.0f, -0.9f, -1.0f);
thisball.lv = 0;
balls.Add(thisball);
//add bricks
bricks.Clear();
bricks_remained = 0;
int bricktotalheight = 8 + lv;
bricktotalheight = (bricktotalheight > 12) ? 12 : bricktotalheight;
for (int i = 0; i < Pos.Width / brickwidth; i++)
{
for (int j = 0; j < bricktotalheight; j++)
{
if (GetRandom.GetRandomFloat() <= 0.5f)
{
int lv_rnd = lv + 1;
lv_rnd = lv_rnd > 5 ? 5 : lv_rnd;
lv_rnd = GetRandom.GetRandomInt(lv_rnd);
Brick newbrick = new Brick(lv_rnd, new Rectangle(Pos.Left + i * brickwidth,
Pos.Top + j * brickheight, brickwidth, brickheight));
bricks.Add(newbrick);
if (lv_rnd != 4)
{
bricks_remained++;
}
}
}
}
//clear items
items.Clear();
}