CLASS net/minecraft/class_855 net/minecraft/client/render/GlMatrixFrustum FIELD field_4494 modelviewMatrixBuffer Ljava/nio/FloatBuffer; FIELD field_4495 INSTANCE Lnet/minecraft/class_855; FIELD field_4496 projectionMatrixBuffer Ljava/nio/FloatBuffer; METHOD method_3696 get ()Lnet/minecraft/class_857; METHOD method_3697 normalize ([F)V ARG 1 vector METHOD method_3698 loadFromGlMatrices ()V