public void Set(Vector3D Src)
{
x = Src.x;
y = Src.y;
z = Src.z;
}
public void ScaleAdd(double r, Vector3D VectorOne)
{
// The Vector3D is scaled and then another Vector3D is added to it.
x = r * x + VectorOne.x;
y = r * y + VectorOne.y;
z = r * z + VectorOne.z;
}
public void ScaleMult(double r, Vector3D VectorOne)
{
// The Vector3D is scaled and then multiplied by another Vector3D.
x = r * x * VectorOne.x;
y = r * y * VectorOne.y;
z = r * z * VectorOne.z;
}
//Vector3D operator-(Vector3D B);
// this = pOne - pSubtracted
public void Minus(Vector3D One, Vector3D Subtracted)
{
x = One.x - Subtracted.x;
y = One.y - Subtracted.y;
z = One.z - Subtracted.z;
}
public void Plus(Vector3D One, Vector3D Two)
{
x = One.x + Two.x;
y = One.y + Two.y;
z = One.z + Two.z;
}
public void GetPerpendicularVector(Vector3D DestVector)
{
if (x == 0.0f) {
DestVector.Set (1.0f, 0.0f, 0.0f);
} else if (y == 0.0f) {
DestVector.Set (0.0f, 1.0f, 0.0f);
} else if (z == 0.0f) {
DestVector.Set (0.0f, 0.0f, 1.0f);
} else {
// pick a vector perpendicular to our original vector
// we want ConeDir . PerpVec == 0, so this gives us
// -y/x * x + 1 * y + 0 * z ==
// -y + y + 0 == 0
//
// so this vector is perpendicular to our original one
if (System.Math.Abs (x) > System.Math.Abs (y)) {
if (System.Math.Abs (y) > System.Math.Abs (z)) {
// x is the biggest z is the smallest
DestVector.Set (z / x, 0.0f, -1.0f);
} else {
// x is the biggest y is the smallest
DestVector.Set (y / x, -1.0f, 0.0f);
}
// y > x
} else if (System.Math.Abs (z) > System.Math.Abs (y)) {
// z is the biggest x is the smallest
DestVector.Set (-1.0f, 0.0f, x / z);
// y > x && z < y
} else {
// y is the biggest
if (x > z) {
// y is the biggest z is the smallest
DestVector.Set (0.0f, z / y, -1.0f);
} else {
// y is the biggest x is the smallest
DestVector.Set (-1.0f, x / y, 0.0f);
}
}
}
}
public Vector3D(Vector3D vector3D)
{
x = vector3D.x;
y = vector3D.y;
z = vector3D.z;
}
public void EquMax(Vector3D VectorOne, Vector3D VectorTwo)
{
if (VectorOne.x > VectorTwo.x)
x = VectorOne.x;
else
x = VectorTwo.x;
if (VectorOne.y > VectorTwo.y)
y = VectorOne.y;
else
y = VectorTwo.y;
if (VectorOne.z > VectorTwo.z)
z = VectorOne.z;
else
z = VectorTwo.z;
}
public void EquMin(Vector3D VectorOne, Vector3D VectorTwo)
{
// set it equal to the min
if (VectorOne.x < VectorTwo.x)
x = VectorOne.x;
else
x = VectorTwo.x;
if (VectorOne.y < VectorTwo.y)
y = VectorOne.y;
else
y = VectorTwo.y;
if (VectorOne.z < VectorTwo.z)
z = VectorOne.z;
else
z = VectorTwo.z;
}
public void EquLinComb(double r, Vector3D A, double s, Vector3D B)
{
// the two Vectors are muliplied by thier own variable scale and then added together
x = r * A.x + s * B.x;
y = r * A.y + s * B.y;
z = r * A.z + s * B.z;
}
// are they the same within the error value?
public bool Equals(Vector3D OtherVector, double ErrorValue)
{
if ((x < OtherVector.x + ErrorValue && x > OtherVector.x - ErrorValue) && (y < OtherVector.y + ErrorValue && y > OtherVector.y - ErrorValue) && (z < OtherVector.z + ErrorValue && z > OtherVector.z - ErrorValue)) {
return true;
}
return false;
}
public double Dot(Vector3D B)
{
return (x * B.x + y * B.y + z * B.z);
}
public Vector3D Cross(Vector3D B)
{
Vector3D Temp = new Vector3D ();
Temp.Cross (this, B);
return Temp;
}
public void Cross(Vector3D A, Vector3D B)
{
x = A.y * B.z - A.z * B.y;
y = A.z * B.x - A.x * B.z;
z = A.x * B.y - A.y * B.x;
}