public Vec Cross(Vec b)
{
return new Vec (
Y*b.Z - Z*b.Y,
Z*b.X - X*b.Z,
X*b.Y - Y*b.X
);
}
public Vec NormalTo(Vec dest)
{
var v = dest - this;
v.Normalize ();
return v;
}
public Ray(Vec orig, Vec dir)
{
Origin = orig;
Direction = dir;
}
public Prec Dot(Vec b)
{
return X * b.X + Y * b.Y + Z * b.Z;
}
public Vec Mult(Vec b)
{
return new Vec (
X * b.X,
Y * b.Y,
Z * b.Z
);
}
public override Vec GetNormal(Vec p)
{
return((p - Position).Norm);
}
public void PutPixel(int x, int y, Vec color)
{
Buffer [(Height - 1 - y)*Width + x] = color;
}
public abstract Vec GetNormal(Vec p);
public Sphere(Prec radius, Vec position, Vec emission, Vec color, MaterialType mt)
: base(emission, color, mt)
{
Radius = radius;
Position = position;
}
public SceneObject(Vec emission, Vec color, MaterialType mat)
{
Emission = emission;
Color = color;
Material = mat;
}
public override Vec GetNormal(Vec p)
{
return (p - Position).Norm;
}
public Sphere(Prec radius, Vec position, Vec emission, Vec color, MaterialType mt)
: base(emission, color, mt)
{
Radius = radius;
Position = position;
}
public abstract Vec GetNormal(Vec p);
public SceneObject(Vec emission, Vec color, MaterialType mat)
{
Emission = emission;
Color = color;
Material = mat;
}