19 lines
No EOL
479 B
Text
19 lines
No EOL
479 B
Text
shader_type canvas_item;
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uniform bool animate_noise = false;
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uniform float noise_intensity = 1.0;
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uniform float fps = 60.0;
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float random (vec2 uv) {
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return fract(sin(dot(uv.xy,
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vec2(12.9898,78.233))) * 43758.5453123);
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}
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void fragment() {
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float time = floor(fract(TIME) * fps);
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vec2 noise_uv = SCREEN_UV + time * float(animate_noise);
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float noise = random(noise_uv);
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noise = mix(1.0 - noise_intensity, 1.0, noise);
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COLOR = vec4(COLOR.rgb * noise, COLOR.a);
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} |