Kind of lights: 0 -> no light, 1 -> parallel, 2 -> point

Property definitions

gamnit $ BlinnPhongProgram :: light_kind
	# Kind of lights: 0 -> no light, 1 -> parallel, 2 -> point
	var light_kind = uniforms["light_kind"].as(UniformInt) is lazy
lib/gamnit/depth/more_materials.nit:578,2--579,63