EDAN35/Lab2: Reduce the fallof angle of the lights
EDAN35/Lab2: Reduce the fallof angle of the lights

The cone does not seem to have a half-angle of 45° as first thought,
but one closer to 37°.
Also, use the “glm::radians” function to convert the degree to radians
value, instead of hardcoding an approximation of the radians value.

LUGGPublic/CG_Labs,LUGGPublic/CG_Labs