def test_lightning4(self):
"""Lighting with the light and the eye 45 degrees from the suface line"""
eyev = vector(0, -sqrt(2) / 2, -sqrt(2) / 2)
normalv = vector(0, 0, -1)
light = PointLight(point(0, 10, -10), color(1, 1, 1))
result = lighting(self.m_var, light, self.position, eyev, normalv)
self.assertEqual(result, color(1.6364, 1.6364, 1.6364), \
'The lighting function failed.')
def test_lightning5(self):
"""Lighting with the light hidden behind the surfice"""
eyev = vector(0, 0, -1)
normalv = vector(0, 0, -1)
light = PointLight(point(0, 0, 10), color(1, 1, 1))
result = lighting(self.m_var, light, self.position, eyev, normalv)
self.assertEqual(result, color(0.1, 0.1, 0.1), \
'The lighting function failed.')
def test_lightning1(self):
"""Lighting with the eye between the light and the surface."""
eyev = vector(0, 0, -1)
normalv = vector(0, 0, -1)
light = PointLight(point(0, 0, -10), color(1, 1, 1))
result = lighting(self.m_var, light, self.position, eyev, normalv)
self.assertEqual(result, color(1.9, 1.9, 1.9), \
'The lighting function failed.')