def draw(self, model):
		model.positions.attach(self.attr_vposition)
		model.draw()
:raises:
dataset/ETHPy150Open gasman/shortcrust/examples/plasma.py/PlasmaShader.draw--crossover with--dataset/ETHPy150Open FichteFoll/CSScheme/tinycsscheme/tinycss/parsing.py/validate_any