public DisplacementPoint(Displacement parent, int x, int y)
{
Parent = parent;
XIndex = x;
YIndex = y;
CurrentPosition = new Vertex(Coordinate.Zero, parent);
InitialPosition = Coordinate.Zero;
Displacement = new Vector(Coordinate.UnitZ, 0);
OffsetDisplacement = new Vector(Coordinate.UnitZ, 0);
Alpha = 0;
}
private static void GLCoordinateTriangle(Vertex v1, Vertex v2, Vertex v3, bool texture)
{
var p1 = v1.Location.ToCoordinateF();
var p2 = v2.Location.ToCoordinateF();
var p3 = v3.Location.ToCoordinateF();
var normal = (p3 - p1).Cross(p2 - p1).Normalise();
GLCoordinate(v1, normal, texture);
GLCoordinate(v2, normal, texture);
GLCoordinate(v3, normal, texture);
}
private static void GLCoordinate(Vertex v, Coordinate normal, bool texture)
{
if (texture)
{
GL.TexCoord2(v.DTextureU, v.DTextureV);
}
GL.Normal3(normal.DX, normal.DY, normal.DZ);
GLCoordinate(v.Location);
}
private static void GLCoordinate(Vertex v, CoordinateF normal)
{
GL.TexCoord2(v.DTextureU, v.DTextureV);
GL.Normal3(normal.X, normal.Y, normal.Z);
GLCoordinate(v.Location);
}