public override void ProcessCollision(Collision collision)
{
base.ProcessCollision(collision);
BallData ball = null;
if (collision.pair.first is BallData)
{
ball = collision.pair.first as BallData;
}
else if (collision.pair.second is BallData)
{
ball = collision.pair.second as BallData;
}
if (ball != null)
{
ball.Kill();
}
}
public BallData[] Update(float deltaTime)
{
time += deltaTime;
var result = new List <BallData>();
while (time > delay)
{
time -= delay;
if (numBalls > 0)
{
var newBall = new BallData(radius);
newBall.SetPositionX(position.x);
newBall.SetPositionY(position.y);
newBall.SetSpeed(startSpeedDirection * startSpeed);
newBall.UpdatePosition(time);
result.Add(newBall);
}
numBalls--;
}
return(result.ToArray());
}
protected Collision TryGetCollisionWithCircle(BallData circle, float deltaTime, bool ignoreRadius = false)
{
//check speed direction
if (Vector2.Dot(circle.GetSpeed(), Normal) > 0)
{
return(null);
}
var trajectoryStart = circle.GetPosition();
var trajectoryFinish = trajectoryStart + circle.GetSpeed() * deltaTime;
//move line towards circle
var lineStart = start;
var lineFinish = finish;
if (!ignoreRadius)
{
var offset = Normal * circle.GetRadius();
lineStart += offset;
lineFinish += offset;
}
Debug.DrawLine(lineStart, lineFinish, Color.yellow);
var intersection = new Vector2();
if (MathOperations.LineSegementsIntersect(trajectoryStart, trajectoryFinish,
lineStart, lineFinish, out intersection, true))
{
var toIntersection = intersection - trajectoryStart;
var circleSpeed = circle.GetSpeed();
var speedX = circleSpeed.x < 0 ? -circleSpeed.x : circleSpeed.x;
var speedY = circleSpeed.y < 0 ? -circleSpeed.y : circleSpeed.y;
var timeToCollision = speedX > speedY ? toIntersection.x / circleSpeed.x :
toIntersection.y / circleSpeed.y;
return(new Collision(this, circle, timeToCollision));
}
return(null);
}
private ICollider[] ProcessCollision(Collision collision, float timeLeft, HashSet <ICollider> ignoreArray)
{
collision.Process();
ICollider ignoringCollider = null;
BallData collider = null;
if (collision.pair.first is BallData)
{
collider = collision.pair.first as BallData;
ignoringCollider = collision.pair.second.GetUsedCollider();
}
if (collision.pair.second is BallData)
{
collider = collision.pair.second as BallData;
ignoringCollider = collision.pair.first.GetUsedCollider();
}
if (collider != null && !collider.IsAlive)
{
if (circles.Contains(collider))
{
circles.Remove(collider);
KillObjectCallback?.Invoke(collider);
}
}
if (ignoringCollider != null)
{
if (ignoreArray == null)
{
ignoreArray = new HashSet <ICollider>();
}
ignoreArray.Add(ignoringCollider);
if (ignoringCollider is BonusData)
{
KillObjectCallback?.Invoke(ignoringCollider as BonusData);
}
}
return(CheckCollisions(new ICollider[] { collider }, timeLeft, ignoreArray));
}