20 lines
723 B
Lua
20 lines
723 B
Lua
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-- This useful to add to objects that need to have some kind of relationship with their parents.
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-- Call the appropriate function in the object's update function every frame.
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-- The game object must have a .parent attribute defined and pointing to another game object.
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Parent = Object:extend()
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-- Follows the parent's transform exclusively.
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-- This means that if the parent dies the entity also dies.
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-- The .parent attribute is niled on death.
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function Parent:follow_parent_exclusively()
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if self.parent and self.parent.dead then
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self.parent = nil
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self.dead = true
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return
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end
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self.x, self.y = self.parent.x, self.parent.y
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self.r = self.parent.r
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self.sx, self.sy = self.parent.sx, self.parent.sy
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end
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