private static int[] FindExtremePoints(List <JVector> points,
ref JVector dirX, ref JVector dirY, ref JVector dirZ)
{
int[] indices = new int[6];
float[] current = new float[6];
JVector point; float value;
for (int i = 0; i < points.Count; i++)
{
point = points[i];
value = JVector.Dot(ref point, ref dirX);
if (value > current[0])
{
current[0] = value; indices[0] = i;
}
if (value < current[1])
{
current[1] = value; indices[1] = i;
}
value = JVector.Dot(ref point, ref dirY);
if (value > current[2])
{
current[2] = value; indices[2] = i;
}
if (value < current[3])
{
current[3] = value; indices[3] = i;
}
value = JVector.Dot(ref point, ref dirZ);
if (value > current[4])
{
current[4] = value; indices[4] = i;
}
if (value < current[5])
{
current[5] = value; indices[5] = i;
}
}
return(indices);
}
private static int FindExtremePoint(List <JVector> points, ref JVector dir)
{
int index = 0;
float current = float.MinValue;
JVector point; float value;
for (int i = 1; i < points.Count; i++)
{
point = points[i];
value = JVector.Dot(ref point, ref dir);
if (value > current)
{
current = value; index = i;
}
}
return(index);
}
/// <summary>
/// Calculates the dot product of two vectors.
/// </summary>
/// <param name="value1">The first vector.</param>
/// <param name="value2">The second vector.</param>
/// <returns>Returns the dot product of both.</returns>
#region public static float operator *(JVector value1, JVector value2)
public static float operator *(JVector value1, JVector value2)
{
return(JVector.Dot(ref value1, ref value2));
}
/// <summary>
/// Calculates the dot product of two vectors.
/// </summary>
/// <param name="vector1">The first vector.</param>
/// <param name="vector2">The second vector.</param>
/// <returns>Returns the dot product of both vectors.</returns>
#region public static float Dot(JVector vector1, JVector vector2)
public static float Dot(JVector vector1, JVector vector2)
{
return(JVector.Dot(ref vector1, ref vector2));
}
/// <summary>
/// Calculates the dot product of two vectors.
/// </summary>
/// <param name="vector1">The first vector.</param>
/// <param name="vector2">The second vector.</param>
/// <returns>Returns the dot product of both vectors.</returns>
#region public static double Dot(JVector vector1, JVector vector2)
public static double Dot(JVector vector1, JVector vector2)
{
return(JVector.Dot(ref vector1, ref vector2));
}
