Jig Functions 
§Two functions that must be overridden
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§Sampler
§Used to get input from the user
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§Update
§Used to update the entity that is being jigged
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In our class that inherited from EntityJig we need to override two functions. These are Sampler and Update. The Sampler function is used to get input from the user such as size and location. In the Update function you update the display of the entity.