Define your new colour palette in main.lua.
To create your palette, use the aseprite spectral image provided and load the spectral palette.
Change the colours you want to change then save the palette as a .hex file. This will export the hex values in the correct order ready to put in the array in game.
Change G.selected_spectral_colour = test_colour to be your new palette.
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Known bugs:
- when pixel shading is active, cards have lines in between some pixels
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