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30 lines
1.0 KiB
Python
30 lines
1.0 KiB
Python
import pyglet as p
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list_class=[]
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class meta_obj(type):
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def __new__(cls,name,base,clsdict):
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temp_class=type.__new__(cls,name,base,clsdict)
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list_class.append(temp_class)
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cls.priority_order=cls.depth=len(list_class) #by default, priority_order and depth depends on "when class was defined"
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return temp_class
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class obj(p.sprite.Sprite):
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__metaclass__=meta_obj
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list_instance=[]
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def __init__(self, *args, **kwargs):
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super(PhysicalObject, self).__init__(*args, **kwargs)
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list_instance.append(self)
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self.velocity_x, self.velocity_y = 0.0, 0.0 # Velocity
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self.list_update=[]
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def update(self, dt):
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"""This method should be called every frame."""
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# Update position according to velocity and time
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self.x += self.velocity_x * dt
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self.y += self.velocity_y * dt
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for update_func in self.list_update:
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update_func(dt)
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def remove_update(self,update_func):
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self.list_update.remove(update_func) |