Property definitions

gamnit $ UniformVec4 :: defaultinit
# Shader uniform of GLSL type `vec4`
class UniformVec4
	super Uniform

	# Set this uniform value
	fun uniform(x, y, z, w: Float) do glUniform4f(location, x, y, z, w)
end
lib/gamnit/programs.nit:197,1--203,3