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17 lines
416 B
Plaintext
17 lines
416 B
Plaintext
shader_type canvas_item;
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// inspired by: https://www.shadertoy.com/view/Xl3cDn
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uniform sampler2D SCREEN_TEXTURE : hint_screen_texture, filter_linear;
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void fragment() {
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vec4 col = texture(SCREEN_TEXTURE, UV);
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vec3 sepia = vec3(
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col.r * .393 + col.g *.769 + col.b * .189,
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col.r * .349 + col.g *.686 + col.b * .168,
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col.r * .272 + col.g *.534 + col.b * .131);
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COLOR = vec4(sepia, 1.0);
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}
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