// Prepare & Draw the axis and cube
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
viewMatrix = Matrix.CreateViewMatrix(r, phi, theta);
modelMatrix = Matrix.Translate(position) * (Matrix.Rotate(rotation) * (Matrix.Scale(scale)));
Prepare(cube.vb, modelMatrix);
cube.Draw(e.Graphics, vb);
Prepare(x_axis.vb, Matrix.Identity());
x_axis.Draw(e.Graphics, vb);
Prepare(y_axis.vb, Matrix.Identity());
y_axis.Draw(e.Graphics, vb);
Prepare(z_axis.vb, Matrix.Identity());
z_axis.Draw(e.Graphics, vb);
label1.Text = "Scale: " + scale + " S/s";
label2.Text = "TransX: " + position.x + " Left/Right";
label3.Text = "TransY: " + position.y + " Up/Down";
label4.Text = "TransZ: " + position.z + " PgDn/PgUp";
label5.Text = "RotX: " + rotation.x + " x/X";
label6.Text = "RotY: " + rotation.y + " y/Y";
label7.Text = "RotZ: " + rotation.z + " z/Z";
label8.Text = "r: " + r + " r/R";
label9.Text = "d: " + d + " d/D";
label10.Text = "phi: " + phi + " p/P";
label11.Text = "theta: " + theta + " t/T";
label12.Text = "Phase: " + phase;
}
