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20 lines
628 B
Text
20 lines
628 B
Text
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#ifndef VFEZ_UTILS
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#include "vfez_utils.gdshaderinc"
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#define VFEZ_UTILS
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#endif
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group_uniforms glitch;
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uniform float glitch_amount: hint_range(0.0, 20.) = 3.;
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uniform float glitch_size: hint_range(0.25, 5.) = 1.;
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group_uniforms;
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vec3 glitch(vec3 color, vec2 uv, sampler2D main_texture)
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{
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vec2 glitch_uv = uv - 0.5;
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float line_noise =
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pow(rand(floor(glitch_uv * vec2(24., 19.) * glitch_size) * 4.0, TIME), 3.0) * glitch_amount
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* pow(rand(floor(glitch_uv * vec2(38., 14.) * glitch_size) * 4.0, TIME), 3.0);
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color = texture(main_texture, uv + vec2(line_noise * 0.02 * rand(vec2(2.0, 1.), TIME), 0)).rgb;
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return color;
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}
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