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deakcor/color_replacement.shader

Created January 8, 2021 12:45
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Color replacement shader for Godot Engine
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color_replacement.shader
/**
* Replace a color by another one.
* License: CC0
* https://creativecommons.org/publicdomain/zero/1.0/
*/
shader_type canvas_item;
uniform vec4 remove_color: hint_color;
uniform vec4 replace_color: hint_color;
void fragment(){
vec4 col = texture(TEXTURE, UV);
if (col.rgb == remove_color.rgb){
col = replace_color;
}
COLOR = col;
}
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deakcor commented Jan 8, 2021

Example with green color replaced by transparent one.
104005521-8c494d80-51a5-11eb-905f-2458703f4c22
104005525-8e131100-51a5-11eb-86ba-bb237aab4fef

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