/// <summary>
/// Calculates the arc-cosine of each component of the specified vector.
/// </summary>
/// <param name="v">The specified vector.</param>
/// <returns>The vector which contains the angles in radians whose cosines are equal to the
/// corresponding components in the specified vector.</returns>
public static Vector3F Acos(Vector3F v)
{
return(new Vector3F(MathEx.Acos(v.X), MathEx.Acos(v.Y), MathEx.Acos(v.Z)));
}
void ProcessVertex(ref Vector3F position, out Vector3F result)
{
Matrix4? nullable = new Matrix4?(PosCenter.Value.ToMatrix4());
Matrix4 matrix4 = nullable ?? Matrix4.Identity;
Matrix4F matrix4f = matrix4.ToMatrix4F();
bool inv = matrix4f.Inverse();
MatrixInv = inv;
ResPosVec1 = matrix4f * Pos1n.Value.Position.ToVector3F();
result = position;
var sc = new Vector3F(0.2f, 0.2f, 0.2f);
var rposition = position * sc;
var l_r01 = (float)Pos01n.Value.Scale.X;
var relp01 = (Pos01n.Value.Position).ToVector3F();
var l_dist1 = (rposition - relp01);
float l_l01 = l_dist1.Length();
var l_r02 = (float)Pos02n.Value.Scale.X;
var relp02 = (Pos02n.Value.Position).ToVector3F();
var l_dist2 = (rposition - relp02);
float l_l02 = l_dist2.Length();
var l_r03 = (float)Pos03n.Value.Scale.X;
var relp03 = (Pos03n.Value.Position).ToVector3F();
var l_dist3 = (rposition - relp03);
float l_l03 = l_dist3.Length();
var l_r04 = (float)Pos04n.Value.Scale.X;
var relp04 = (Pos04n.Value.Position).ToVector3F();
var l_dist4 = (rposition - relp04);
float l_l04 = l_dist4.Length();
var f = ((ResPos1.Value.Position - PosCenter.Value.Position) / sc).ToVector3F().GetNormalize();
SphericalDirectionF sd = new SphericalDirectionF(f.X, f.Y);
float ax = MathEx.Acos(f.X);
float ay = MathEx.Asin(f.X);
QuaternionF q = new AnglesF().ToQuaternion();
if (l_l01 <= l_r01)
{
var relp1 = matrix4f * Pos1n.Value.Position.ToVector3F();
result = relp1;
}
if (l_l02 <= l_r02)
{
var relp2 = matrix4f * Pos2n.Value.Position.ToVector3F();;
result = relp2;
}
if (l_l03 <= l_r03)
{
var relp3 = matrix4f * Pos3n.Value.Position.ToVector3F();;
result = relp3;
}
if (l_l04 <= l_r04)
{
var relp4 = matrix4f * Pos4n.Value.Position.ToVector3F();;
result = relp4;
}
}
public static RadianF GetAngle(QuaternionF v1, QuaternionF v2)
{
float a = v1.X * v2.X + v1.Y * v2.Y + v1.Z * v2.Z + v1.W * v2.W;
return(new RadianF(MathEx.Acos(a) * 2));
}