15 lines
511 B
Text
15 lines
511 B
Text
shader_type canvas_item;
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uniform float effect_amount: hint_range(0, 1) = 0.0;
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uniform sampler2D screen_texture : hint_screen_texture, repeat_disable, filter_nearest;
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void fragment() {
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vec4 c = texture(screen_texture, SCREEN_UV);
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float y = 0.2126 * c.r + 0.7152 * c.g + 0.0722 * c.b;
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COLOR.rgb = mix(c.rgb, vec3(y), effect_amount);
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}
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//void light() {
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// // Called for every pixel for every light affecting the CanvasItem.
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// // Uncomment to replace the default light processing function with this one.
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//}
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