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cbscribe/greyscale.shader

Created February 21, 2017 05:20
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Godot greyscale shader
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greyscale.shader
// use on 1x1 white pixel texframe
// shader properties
uniform float brightness = 0.5;
color pixel_color = vec4(texscreen(SCREEN_UV), 1);
COLOR.rgb = vec3(dot(pixel_color.rgb, vec3(brightness, brightness, brightness)));
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