12 lines
239 B
Text
12 lines
239 B
Text
shader_type canvas_item;
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uniform float amount : hint_range(0.0, 1.0, 0.1);
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vec4 luminance(vec4 col)
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{
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return vec4(vec3(0.2126*col.r+0.7152*col.g+0.0722*col.b),col.a);
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}
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void fragment() {
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COLOR = mix(COLOR, luminance(COLOR),amount);
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}
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