protected override Tuple LocalNormalAt(Tuple localPoint, Intersection hit)
{
float dist = localPoint.X * localPoint.X + localPoint.Z * localPoint.Z;
if (dist < 1)
{
if (localPoint.Y >= Maximum - Constants.floatEps)
{
return(Tuple.Vector(0, 1, 0));
}
else if (localPoint.Y <= Minimum + Constants.floatEps)
{
return(Tuple.Vector(0, -1, 0));
}
}
return(Tuple.Vector(localPoint.X, 0, localPoint.Z));
}
private void ReadNormal(char[] contents)
{
var normal = Tuple.Vector(0, 0, 0);
for (int i = 0; i < 3; ++i)
{
Token token = GetNextToken(contents);
if (token.Type == TokenType.Number)
{
normal[i] = float.Parse(token.Value);
}
else
{
throw new FormatException($"{token.Value} is not a Number");
}
}
Normals.Add(normal);
}
protected override Tuple LocalNormalAt(Tuple localPoint, Intersection hit)
{
float absX = Abs(localPoint.X);
float absY = Abs(localPoint.Y);
float absZ = Abs(localPoint.Z);
float maxc = Max(Max(absX, absY), absZ);
if (Abs(absX - maxc) < Constants.floatEps)
{
return(Tuple.Vector(localPoint.X, 0, 0));
}
else if (Abs(absY - maxc) < Constants.floatEps)
{
return(Tuple.Vector(0, localPoint.Y, 0));
}
return(Tuple.Vector(0, 0, localPoint.Z));
}
private static Tuple ReadVector(JToken jToken)
{
return(Tuple.Vector((float)jToken[0], (float)jToken[1], (float)jToken[2]));
}
protected override Tuple LocalNormalAt(Tuple p, Intersection hit)
{
return(Tuple.Vector(0, 1, 0));
}
