/// <summary>
/// sets up and begins new round
/// </summary>
/// <param name="form">the form being used for the game</param>
public static void StartNew(Form form)
{
LeftMovement1 = false;
RightMovement1 = false;
LeftMovement2 = false;
RightMovement2 = false;
LastPlayerHit = Player.Player1;
LabelLevels.Text = "Levels Completed: " + LevelsCompleted.ToString();
UpdateScores();
Balls = new List<Ball>();
Blocks = new List<Block>();
FormSize = new Vector(form.Size.Width, form.Size.Height - 100);
PictureBox paddle1 = new PictureBox();
form.Controls.Add(paddle1);
if (CurrentMode == GameMode.Coop || CurrentMode == GameMode.Versus) // 2 player
{
PictureBox paddle2 = new PictureBox();
form.Controls.Add(paddle2);
PaddleObject2 = new Paddle(paddle2, new Vector(FormSize.X * 0.75f, FormSize.Y));
PaddleObject1 = new Paddle(paddle1, new Vector(FormSize.X * 0.25f, FormSize.Y));
}
else // 1 player
{
PaddleObject1 = new Paddle(paddle1, new Vector(FormSize.X * 0.5f, FormSize.Y));
PaddleObject2 = null;
}
currentForm = form;
BallsInPlay = 0;
AddBall();
int blockRows = ((CurrentMode == GameMode.Classic) ? DefaultBlockRows : BlockRows);
int blockColumns = ((CurrentMode == GameMode.Classic) ? DefaultBlockColumns : BlockColumns);
int blockWidth = (int)FormSize.X / blockColumns;
int blockHeight = (int)FormSize.Y / 3 / blockRows;
const int blockFrame = 4;
for (int x = 0; x < blockColumns; x++)
{
for (int y = 0; y < blockRows; y++)
{
float rowPercentage = (float)y / (float)blockRows;
PictureBox newPictureBox = new PictureBox();
newPictureBox.BackColor = Color.FromArgb((int)Math.Round(255 * Math.Max(0, 1 - rowPercentage * 2), 0), (int)Math.Round(255 * (1 - 2 * Math.Abs(0.5f - rowPercentage)), 0), (int)Math.Round(255 * Math.Max(0, rowPercentage * 2 - 1), 0));
currentForm.Controls.Add(newPictureBox);
Vector newBlockPosition = new Vector(x * blockWidth + blockFrame * 0.5f, y * blockHeight + blockFrame * 0.5f);
Vector newBlockSize = new Vector(blockWidth - blockFrame, blockHeight - blockFrame);
Block newBlock = new Block(newPictureBox, newBlockPosition, newBlockSize);
newBlock.Points = 50 + 50 * (blockRows - y);
}
}
gameThread = new Thread(GameThread);
gameThread.IsBackground = true;
gameThread.Start();
form.Disposed += delegate { gameThread.Abort(); };
InPlay = true;
}
/// <summary>
/// calculates collisions between the ball and a block, and finds the block surface tha was hit
/// </summary>
/// <param name="block">the block being hit</param>
/// <param name="newPosition">the position the ball has</param>
/// <param name="newVelocity">the velocity the ball is trying to move with</param>
/// <param name="collidedRays">a list of rayIDs which have already collided with a surface</param>
/// <returns>the position, length and surface of the collision</returns>
public CollisionReturn CollidesWithBlock(Block block, Vector newPosition, Vector newVelocity, List<int> collidedRays)
{
// vector rays of moving ball
Ray[] Vectors = new Ray[4];
Vectors[TopEdge] = new Ray(newPosition, newVelocity);
Vectors[RightEdge] = new Ray(Vector.Add(newPosition, new Vector(Size.X, 0)), newVelocity);
Vectors[BottomEdge] = new Ray(Vector.Add(newPosition, new Vector(0, Size.Y)), newVelocity);
Vectors[LeftEdge] = new Ray(Vector.Add(newPosition, new Vector(Size.X, Size.Y)), newVelocity);
CollisionReturn collisionReturn = new CollisionReturn(false);
int rayID = 0;
foreach (Ray ray in Vectors)
{
int edgeID = 0;
if (!collidedRays.Contains(rayID)) // if the ray being used hasn't already collided with a box
{
// check every edge of the block
foreach (Ray edge in block.Edges)
{
RaycastReturn raycastReturn = Ray.Raycast(ray, edge); // see if the ray meets the edge
if (raycastReturn.Intersects)
{
// if there has already been a collision, check for a shorter one
if (collisionReturn.Intersects)
{
if (raycastReturn.length < collisionReturn.length) // if the ball velocity ray hits this edge before any other ray hits an edge
{
collisionReturn = new CollisionReturn(raycastReturn);
collisionReturn.Edge = edgeID;
collisionReturn.Ray = rayID;
}
}
// haven't had a ray collision yet, so use this collision by default
else
{
collisionReturn = new CollisionReturn(raycastReturn);
collisionReturn.Edge = edgeID;
collisionReturn.Ray = rayID;
}
}
edgeID++; // check next edge
}
}
rayID++; // check next ray
}
return collisionReturn; // return results
}
/// <summary>
/// destroys a block and allocates points
/// </summary>
/// <param name="block">the block being destroyed</param>
public static void DestroyBlock(Block block)
{
if (InPlay) // can only destroy in the game
{
currentForm.Controls.Remove(block.PictureBox); // remove picturebox
Blocks.Remove(block); // remove from block list
// if there are more balls to add, add one
if (BallsInPlay < MaxBalls)
AddBall();
// give the number of points the block is worth
if (CurrentMode != GameMode.Versus)
Points += block.Points;
UpdateScores(); // display the new points
// if all the blocks have been destroyed, start a new game
if (Blocks.Count <= 0)
{
FinishCurrent();
System.Threading.Thread.Sleep(1000);
LevelsCompleted++;
StartNew(currentForm);
}
}
}
// Add blocks to game
private void CreateBlocks()
{
blocks = new List<Block>();
int blocksCount = 120;
int cols = 12;
int xStartPos = 70;
int yStartPos = 30;
int step = 5;
int row = 0;
int col = 0;
for (int i = 0; i < blocksCount ; i++)
{
// Is it a new row
if (i % cols == 0 && i > 0)
{
row++;
col = 0;
}
else if (i > 0)
{ col++; }
// Block position
int x = (50 + step) * col + xStartPos; // 0, 55, 110...
int y = (20 + step) * row + yStartPos; // 0, 25, 50, 75...
// Create a new block
Block block = new Block
{
LocationX = x,
LocationY = y
};
// Add to blocks
blocks.Add(block); // List-collection
// Add to canvas
canvas.Children.Add(block);
// Set location
block.SetLocation();
}
}
