This is just a thought I had. Does anyone know if there's any way to use object masks for determining accessible areas of the map instead of tile based collision detection. This would make using large images for backgrounds much simpler. Perhaps it could be done if the background moved instead of the character? I admit I have very little knowledge of Coldstone, so don't jump all over me if this is a totally ridiculous idea.
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Cosmicrat - Ruler of the universe.
Cosmic Rat - A rodent in space.
You decide...