i know what reflection mapping is, it about creating realism in computer generated art

realism

so, to convey realism, the butterfly should be casting both reflection and shadow on the object below it

the butterfly isn't set apart from the upside down dog bowl, its been purposely posed on top of it

the lack of shadow and reflection breaks any sense of realism

the items are completely deconnected

here's a picture of my zippo and baccy tin

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it's realism on action