public Cylinder(float[] Begin, float[] End, float radius1, float radius2, int slices, int stacks, Device dev)
{
float_coordinates = new float[2][];
float_coordinates[0] = Begin;
float_coordinates[1] = End;
device = dev;
if ((Begin.Length != Basis.Length) || (End.Length != Basis.Length))
{
throw new Exception("Размерность базиса не совпадает с размерностью вектора позиции.");
}
Vector3 begin = new Vector3(0.0f, 0.0f, 0.0f);
Vector3 end = new Vector3(0.0f, 0.0f, 0.0f);
for (int i = 0; i < Basis.Length; i++)
{
begin += Begin[i] * Basis[i];
end += End[i] * Basis[i];
}
MovingMatrix = Matrix.Translation(new Vector3(0, 0, (begin - end).Length() / 2));
Vector3 be = end - begin;
Vector3 curpos = new Vector3(0, 0, (begin - end).Length());
float angle = (float)Math.Acos(VectorActions.scalmul(be, curpos) / (be.Length() * curpos.Length()));
Vector3 axis = VectorActions.vectmul(be, curpos);
MovingMatrix *= Matrix.RotationAxis(axis, -angle);
MovingMatrix *= Matrix.Translation(begin);
meshes = new Mesh[1];
meshes[0] = Mesh.Cylinder(device, radius1, radius2, (begin - end).Length(), slices, stacks);
meshes[0].ComputeNormals();
material = new Material();
}
public static void RotateVertical(float angle)
{
Vector3 direction = lookat - position;
Vector3 normal = VectorActions.vectmul(vertical, direction);
direction.TransformCoordinate(Matrix.RotationAxis(normal, -angle));
lookat = direction + position;
Initialize(position, lookat, vertical);
}
public Triangle(float[] FirstPoint, float[] SecondPoint, float[] ThirdPoint, Device dev)
{
device = dev;
if ((Basis.Length != FirstPoint.Length) || (Basis.Length != SecondPoint.Length) ||
(Basis.Length != ThirdPoint.Length))
{
throw new Exception("Размерность базиса не совпадает с размерностью вектора позиции или нормали.");
}
float_coordinates = new float[3][];
float_coordinates[0] = FirstPoint;
float_coordinates[1] = SecondPoint;
float_coordinates[2] = ThirdPoint;
Vector3 first = new Vector3(0.0f, 0.0f, 0.0f);
Vector3 second = new Vector3(0.0f, 0.0f, 0.0f);
Vector3 third = new Vector3(0.0f, 0.0f, 0.0f);
for (int i = 0; i < Basis.Length; i++)
{
first += FirstPoint[i] * Basis[i];
second += SecondPoint[i] * Basis[i];
third += ThirdPoint[i] * Basis[i];
}
verts = new CustomVertex.PositionNormalColored[3];
position = new Vector3[3];
position[0] = first;
position[1] = second;
position[2] = third;
verts[0].Position = first;
verts[1].Position = second;
verts[2].Position = third;
normal = VectorActions.vectmul(first - second, first - third);
normal.Normalize();
verts[0].Normal = verts[1].Normal = verts[2].Normal = normal;
}
