/*
* Add a ball to the core's ball list
*/
public void AddBall(FixedBall f)
{
balls.Add(f);
ballsSize++;
CheckExplosions();
UpdateLoose();
}
public void removeBall(FixedBall f)
{
for (int i = 0; i < ballsSize; i++)
{
if (balls[i].Equals(f))
{
balls.Remove(balls[i]);
}
}
}
/*
* Check for Collisions with the FixedBalls and the Core
*/
public bool Collide()
{
if (Collide(core)) {
return true;
}
for (int i = 0; i < core.ballsSize; i++)
{
if (Collide(core.balls[i]))
{
collisionBall = core.balls[i];
return true;
}
}
return false;
}
public virtual void Move()
{
if (!Collide())
{
hypotenuse = Vector2.Distance(this.Position, core.Position);
x = core.Position.X - this.Position.X;
y = core.Position.Y - this.Position.Y;
Position = new Vector2(2 * (x / hypotenuse) + Position.X, 2 * (y / hypotenuse) + Position.Y);
//move with gravity
}
else
{
FixedBall f = new FixedBall(core, colour);
f.Initialise(size, Position);
f.LoadGraphicsContent(spriteBatch, texture);
core.addBall(f);
live = false;
}
}
/*
* Add a support
* */
public void AddSupport(FixedBall f)
{
supports.Add(f);
}
/*
* Collect the list of balls touching this ball
* */
public void SetCollisionBall(FixedBall f)
{
// if touching a ball of the same colour
if (f.colour == colour)
{
bool isThere;
//traverse the list of balls the contacted ball touches
for (int i = 0; i < f.numInContact; i++)
{
isThere = false;
//traverse the list of balls this contacts
for (int j = 0; j < this.numInContact; j++)
{
if (f.inContact[i] == this.inContact[j])
{
isThere = true;
}
}
//actions if this ball has not "observed" that it is touching the ball in the contacting balls group
if (isThere == false)
{
inContact.Add(f.inContact[i]);
numInContact++;
f.inContact[i].inContact.Add(this);
f.inContact[i].numInContact++;
}
}
}
}
/*
*
* */
public void CorrectPostion(FixedBall f)
{
if (Vector2.Distance(f.Position, Position) < size.X)
{
Vector2 d = f.Position - Position;
d.Normalize();
d = d * size.X;
Position = f.Position - d;
}
}
public void addBall(FixedBall f)
{
balls.Add(f);
ballsSize++;
Console.WriteLine(ballsSize);
}
/*
* Move towards the core
*/
public virtual void Move()
{
if (colourTexture == null)
{
colourTexture = texture;
}
SwitchBlack();
if (toFollow == null)
{
if (!Collide())
{
oldPosition = Position;
hypotenuse = Vector2.Distance(this.Position, core.Position);
x = core.Position.X - this.Position.X;
y = core.Position.Y - this.Position.Y;
Position = new Vector2(2 * (x / hypotenuse) + Position.X, 2 * (y / hypotenuse) + Position.Y);
//move with gravity
}
else
{
FixedBall f = new FixedBall(core, colour);
f.Initialise(size, Position, game);
if (collisionBall == null)
{
f.SetAgainstCore();
f.DoAngles();
}
else
{
f.CorrectPostion(collisionBall);
f.DoAngles();
f.AddSupport(collisionBall);
f.SetCollisionBall(collisionBall);
}
f.UpdateContactBalls();
f.LoadGraphicsContent(spriteBatch, colourTexture);
core.AddBall(f);
live = false;
}
}
else
{
if (!Collide())
{
Position += (toFollow.Position - toFollow.oldPosition);
}
else
{
FixedBall f = new FixedBall(core, colour);
f.Initialise(size, Position, game);
if (collisionBall == null)
{
f.SetAgainstCore();
f.DoAngles();
}
else
{
f.CorrectPostion(collisionBall);
f.DoAngles();
f.AddSupport(collisionBall);
f.SetCollisionBall(collisionBall);
}
f.UpdateContactBalls();
f.LoadGraphicsContent(spriteBatch, colourTexture);
core.AddBall(f);
live = false;
}
}
}
