public void StripedPatternZConst()
{
Pattern pattern = new StripedPattern(white, black);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(0, 0, 0)), white);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(0, 0, 1)), white);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(0, 0, 2)), white);
}
public void StripePatternConstantZ()
{
Pattern black = new SolidPattern(Color.Black);
Pattern white = new SolidPattern(Color.White);
StripedPattern pattern = new StripedPattern(white, black);
Assert.True(Color.White == pattern.PatternAt(new Point(0, 0, 0)));
Assert.True(Color.White == pattern.PatternAt(new Point(0, 0, 1)));
Assert.True(Color.White == pattern.PatternAt(new Point(0, 0, 2)));
}
public void StripedPatternXChanges()
{
Pattern pattern = new StripedPattern(white, black);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(0, 0, 0)), white);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(0.9, 0, 0)), white);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(1, 0, 0)), black);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(-0.1, 0, 0)), black);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(-1, 0, 0)), black);
Assert.AreEqual(pattern.PatternAt(Tuple.Point(-1.1, 0, 0)), white);
}
public void StripePatternAlternatesX()
{
Pattern black = new SolidPattern(Color.Black);
Pattern white = new SolidPattern(Color.White);
StripedPattern pattern = new StripedPattern(white, black);
Assert.True(Color.White == pattern.PatternAt(new Point(0, 0, 0)));
Assert.True(Color.White == pattern.PatternAt(new Point(0.9f, 0, 0)));
Assert.True(Color.Black == pattern.PatternAt(new Point(1, 0, 0)));
Assert.True(Color.Black == pattern.PatternAt(new Point(-0.1f, 0, 0)));
Assert.True(Color.Black == pattern.PatternAt(new Point(-1, 0, 0)));
Assert.True(Color.White == pattern.PatternAt(new Point(-1.1f, 0, 0)));
}