# Define the `array` of vertex data
	fun array(array: Array[Float], data_per_vertex: Int)
	do
		# TODO move this and native_float_array to a subclass specific to float

		if not is_active then return

		var native = native_float_array
		if native == null or array.length > native.length then
			if native != null then native.finalize
			native = new GLfloatArray.from(array)
			self.native_float_array = native
		else
			native.fill_from(array)
		end

		glVertexAttribPointer(location, data_per_vertex, gl_FLOAT, false, 0, native.native_array)
	end