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https://github.com/marinho/godot-visual-effects.git
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14 lines
515 B
Plaintext
14 lines
515 B
Plaintext
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shader_type canvas_item;
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uniform sampler2D SCREEN_TEXTURE : hint_screen_texture, filter_linear_mipmap;
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uniform vec4 colorDarkness : source_color = vec4(0.0, 0.0, 0.0, 1.0);
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uniform vec4 colorLight : source_color = vec4(1.0, 1.0, 1.0, 1.0);
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uniform float colorDivider : hint_range(0.0, 1.0) = .5;
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void fragment() {
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vec4 pixelColor = texture(SCREEN_TEXTURE, SCREEN_UV);
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float grayscaleValue = dot(pixelColor.rgb, vec3(0.299, 0.587, 0.114));
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COLOR = grayscaleValue < colorDivider ? colorDarkness : colorLight;
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}
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