26 lines
686 B
Text
26 lines
686 B
Text
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// Pixel transition shader
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// Adapted from a shadertoy shader by iJ01 (https://www.shadertoy.com/view/Xl2SRd)
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shader_type canvas_item;
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float rand(vec2 co){
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return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
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}
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void fragment()
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{
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vec2 iResolution = 1.0 / SCREEN_PIXEL_SIZE;
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vec2 uv = FRAGCOORD.xy / iResolution.xy;
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float resolution = 5.0;
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vec2 lowresxy = vec2(
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floor(FRAGCOORD.x / resolution),
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floor(FRAGCOORD.y / resolution)
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);
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if(sin(TIME) > rand(lowresxy)){
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COLOR = vec4(uv,0.5+0.5*sin(5.0 * FRAGCOORD.x),1.0);
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}else{
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COLOR = vec4(0.0,0.0,0.0,1.0);
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// change to COLOR = vec4(0.0,0.0,0.0,0.0); to make transparent
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}
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}
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