OpenGL Function Calls for Lighting and Materials

Enabling

• glEnable (GL_LIGHTING)
• glEnable (GL_LIGHTi)
• glEnable (GL_CULL_FACE)
• glEnable (GL_DEPTH_TEST)
• glEnable (GL_NORMALIZE)
• glEnable (GL_FOG)

Light Sources

• glLight (GL_LIGHTi, parameter_name, values)

  Parameter Name	Default
  GL_AMBIENT	(0,0,0,1)
  GL_DIFFUSE	0 - (1,1,1,1), 1 to 7 - (0,0,0,0)
  GL_SPECULAR	0 - (1,1,1,1), 1 to 7 - (0,0,0,0)
  GL_POSITION	(0,0,1,0)
  GL_SPOT_EXPONENT	(0)
  GL_SPOT_DIRECTION	(0,0,-1)
  GL_SPOT_CUTOFF	(180)
  GL_CONSTANT_ATTENUATION	(1)
  GL_LINEAR_ATTENUATION	(0)
  GL_QUADRATIC_ATTENUATION	(0)

• glLightModel (parameter_name, values)

  Parameter Name	Default
  GL_LIGHT_MODEL_AMBIENT	(.2,.2,.2,1.0)
  GL_LIGHT_MODEL_LOCAL_VIEWER	(0)
  GL_LIGHT_MODEL_TWO_SIDE	(0)

• glFog (parameter_name, values)

  Parameter Name	Default
  GL_FOG_MODE	(GL_EXP)
  GL_FOG_DENSITY	(1)
  GL_FOG_START	(0)
  GL_FOG_END	(1)
  GL_FOG_COLOR	(0,0,0,0)

Materials

• glMaterial (GL_FRONT, parameter_name, values)

  Parameter Name	Default
  GL_AMBIENT	(.2,.2,.2,1.0)
  GL_DIFFUSE	(.8,.8,.8,1.0)
  GL_SPECULAR	(0,0,0,1)
  GL_SHININESS	(0)
  GL_EMISSION	(0,0,0,1)