public float move(PathPosition currentPosition, float distance, out PathPosition newPosition)
{
float distToEnd = (points.Length-1 - currentPosition.pointIndex - currentPosition.ratio) * distanceBetweenPoints;
float distToStart = (currentPosition.pointIndex + currentPosition.ratio) * distanceBetweenPoints;
if (distance - distToEnd > 0)
{
newPosition = getEndPoint();
return distance - distToEnd;
}
else if (distance + distToStart < 0)
{
newPosition = getStartPoint();
return distance + distToStart;
}
distance += currentPosition.ratio * distanceBetweenPoints;
int tam = (int)(distance / distanceBetweenPoints);
float artan = distance / distanceBetweenPoints - tam;
if (artan < 0)
{
artan += 1f;
tam--;
}
newPosition = new PathPosition(currentPosition.pointIndex + tam, artan);
return 0;
}
/// <summary>
/// Calculates a point on the BezierPath
/// </summary>
/// <param name="curveIndex">On which bezier curve, your point is ? (Starts from 0)</param>
/// <param name="t">between 0 and 1 , specifies the point on the curve</param>
/// <returns>A Vector3 of the specified point</returns>
public Vector3 getLocalPosition(PathPosition position)
{
int nodeIndex = position.pointIndex;
Vector3 p0 = controlPoints[nodeIndex];
Vector3 p1 = controlPoints[nodeIndex + 1];
Vector3 p2 = controlPoints[nodeIndex + 2];
Vector3 p3 = controlPoints[nodeIndex + 3];
return CalculateBezierPoint(position.ratio, p0, p1, p2, p3);
}
public void AddMinionSpecificPosition(Minion minion, PathPosition position)
{
try
{
toBeAddedMinions.Add(minion);
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace + " : " + e.Message);
}
if (minion.position == null)
minion.position = new MinionPosition();
minion.position.board = this;
minion.position.pathPosition = new PathPosition(position.pointIndex, position.ratio);
}
public PathPosition getStartPoint()
{
PathPosition startPoint = new PathPosition(0, 0.0f);
return startPoint;
}
public Vector3 findDiffOnPath(PathPosition position)
{
int index = position.pointIndex;
Vector3 x = controlPoints[index];
Vector3 y = controlPoints[index + 1];
Vector3 z = controlPoints[index + 2];
Vector3 w = controlPoints[index + 3];
float t = position.ratio;
return t * t * (-3 * x + 9 * y - 9 * z + 3 * w) + t * (6 * x - 12 * y + 6 * z) + (-3 * x + 3 * y);
}
public float move(PathPosition currentPosition, float distance, out PathPosition newPosition)
{
newPosition = new PathPosition(currentPosition.pointIndex, currentPosition.ratio);
float diff = findDiffOnPath(currentPosition).magnitude;
float bitDistance = distance / diff;
newPosition.ratio += bitDistance;
while (newPosition.ratio >= 1)
{
newPosition.ratio -= 1;
newPosition.pointIndex += 3;
if (newPosition.pointIndex == controlPoints.Count - 1)
{
float remaining = newPosition.ratio * diff;
newPosition.pointIndex -= 3;
newPosition.ratio = 1;
return remaining;
}
}
while (newPosition.ratio < 0)
{
newPosition.ratio += 1;
newPosition.pointIndex -= 3;
if (newPosition.pointIndex == -3)
{
float remaining = (newPosition.ratio - 1f) * diff;
newPosition.pointIndex += 3;
newPosition.ratio = 0;
return remaining;
}
if( newPosition.pointIndex == -4)
{
return 0f;
}
}
return 0;
}
public PathPosition getEndPoint()
{
PathPosition endPoint = new PathPosition(controlPoints.Count - 4, 1.0f);
return endPoint;
}
public Vector3 getLocalPosition(PathPosition pathPosition)
{
return points[pathPosition.pointIndex] + (points[pathPosition.pointIndex + 1] - points[pathPosition.pointIndex]) * pathPosition.ratio;
}
public Vector3 findDiffOnPath(PathPosition position)
{
return (points[position.pointIndex+1]-points[position.pointIndex]).normalized;
}