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This is a video in a Tutorial series on GLSL shaders for hobby programmers using GameMaker Studio.
In this video we will learn to understand more functions in GLSL and exercise working with colours by writing duotone shaders:
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Time stamps:
00:55: Simple duo tone v1
09:47: Simple duo tone v2
14:45: Duo tone stylized
19:35: Explaining smoothstep
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Link to the base project (GMS 2 only):
https://www.dropbox.com/s/aa3akttrokpwb2k/Shader_Tutorial_Series_Base_Project.yyz?dl=0
Link to the playlist:
https://www.youtube.com/playlist?list=PL0kTSdIvQNCNE-BDKOlYu628AalMmXy_P
Link to scr_hue_shft_rgb:
https://www.dropbox.com/s/gzf6y9j7rd4yeh5/scr_hue_shift_rgb.txt?dl=0