public void Rotate(double xDeg, double yDeg, double zDeg)
{
for (int i = 0; i < baseListOfPoints.Count; i++)
{
Figure.currentListOfPoints[i] = MatrixOperations.RotateMatrix(baseListOfPoints[i], xDeg, yDeg, zDeg);
}
}
public static double[] ProjectionPoints(double[] input) // inpu len = 3
{
double[] consis = new double[input.Length + 1];
for (int i = 0; i < input.Length; i++)
{
consis[i] = input[i];
}
consis[3] = 1;
double[] output = MatrixOperations.MultipleMatrixAndVector(projectionMatrix, consis);
output = MatrixOperations.MakeVectorConsistent(output);
return(new double[] { output[0], output[1] });
}
/// <summary>
/// Fill plane with appriopriate color. Whole plane is shaded with one color
/// </summary>
/// <param name="plane">plane (trinagle) </param>
/// <param name="l1">source of light </param>
/// <returns></returns>
public static byte GetColor(Triangle plane, double[] l1)
{
double[] normal = new double[] { plane.A, plane.B, plane.C };
l1 = MatrixOperations.Normalize(l1);
normal = MatrixOperations.Normalize(normal);
double scalar = MatrixOperations.VectorScalar(l1, normal);
double color = Math.Max(20, 255 * Math.Max(0, scalar));
if (color == 20)
{
plane.FlipNormal();
normal = new double[] { plane.A, plane.B, plane.C };
normal = MatrixOperations.Normalize(normal);
scalar = MatrixOperations.VectorScalar(l1, normal);
color = Math.Max(20, 255 * Math.Max(0, scalar));
plane.FlipNormal();
}
return((byte)color);
}