57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
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[gd_resource type="ShaderMaterial" load_steps=2 format=2]
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[sub_resource type="Shader" id=1]
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code = "/*
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砂嵐エフェクト by あるる（きのもと 結衣）
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Screen Noise Effect Shader by Yui Kinomoto @arlez80
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MIT License
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*/
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shader_type canvas_item;
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uniform float seed = 81.0;
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uniform float power : hint_range( 0.0, 1.0 ) = 0.0022;
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uniform float speed = 0.1;
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vec2 random( vec2 pos )
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{
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return fract(
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sin(
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vec2(
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dot(pos, vec2(12.9898,78.233))
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, dot(pos, vec2(-148.998,-65.233))
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)
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) * 43758.5453
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);
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}
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uniform float amount = 0.060;
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void fragment( )
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{
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vec2 uv = SCREEN_UV + ( random( UV + vec2( seed - TIME * speed, TIME * speed ) ) - vec2( 0.5, 0.5 ) ) * power;
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COLOR = textureLod( SCREEN_TEXTURE, uv, 0.0 );
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vec2 buv = UV;
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//buv.r = buv.r % 25.0
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float factor = 200.0;
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buv.r = round(buv.r * factor) / factor;
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buv.g = round(buv.g * factor) / factor;
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float a = fract(sin(dot(buv, vec2(12.9898, 78.233) * TIME)) * 438.5453) * 1.9;
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a = a * amount;
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COLOR.r -= a;
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COLOR.g -= a;
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COLOR.b -= a;
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}"
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[resource]
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shader = SubResource( 1 )
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shader_param/seed = 81.0
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shader_param/power = 0.0022
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shader_param/speed = 0.1
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shader_param/amount = 0.06
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