def init_gl_fog(self):
        # Enable fog. Fog "blends a fog color with each rasterized pixel fragment's
        # post-texturing color."
        glEnable(GL_FOG)
        # Set the fog color.
        glFogfv(GL_FOG_COLOR, (GLfloat * 4)(0.5, 0.69, 1.0, 1))
        # Say we have no preference between rendering speed and quality.
        glHint(GL_FOG_HINT, GL_DONT_CARE)
        # Specify the equation used to compute the blending factor.
        glFogi(GL_FOG_MODE, GL_LINEAR)
        # How close and far away fog starts and ends. The closer the start and end,
        # the denser the fog in the fog range.
        glFogf(GL_FOG_START, 20.0)
        glFogf(GL_FOG_END, 60.0)
Test if it generates true random numbers from a
dataset/ETHPy150Open traverseda/pycraft/pycraft/world.py/World.init_gl_fog--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/modules/random_org_test.py/RandomOrgTestCase.test_generategaussians