OBS RGB Glitch shader

OBS RGB Glitch Shader.hlsl

uniform float speed;
uniform float stepsize;
uniform float amount;

float4 mainImage(VertData v_in) : TARGET
{
    float time = elapsed_time*speed;

    float glitch = 0;
    if( frac(sin(time) * cos(v_in.uv.y*sin(time*1.45))) > amount) glitch=stepsize;  
    float4 g = image.Sample(textureSampler, float2(v_in.uv.x, v_in.uv.y));
    float4 g2 = image.Sample(textureSampler, float2(v_in.uv.x + glitch, v_in.uv.y));    
    float4 g3 = image.Sample(textureSampler, float2(v_in.uv.x - glitch, v_in.uv.y));    

    return float4(g3.r,g.g,g2.b,1);
}