// glitched screen shader

const float thr1 = 6.4;
const float thr2 = 8.6;
const float thr3 = 19.3;

float rnd2( in vec2 sd )
{
    return fract(cos(dot(sd*floor(Timer*15.),vec2(145.34,142.55)))*2745.84);
}
float rnd( in float sd )
{
    return rnd2(vec2(sd,1.));
}

void main()
{
	vec2 coord = TexCoord;
	vec2 uv_c[3] = vec2[3](coord,coord,coord);
	vec2 blka = floor(coord*vec2(22.,12.));
	vec2 blkb = floor(coord*vec2(6.,9.));
	float noiz = pow(rnd2(blka),thr1)*pow(rnd2(blkb),thr2)-pow(rnd(4.53),thr3)*str2;
	uv_c[0].x += str1*noiz*(rnd(3.35)-.5);
	uv_c[1].x += str1*noiz*(rnd(4.63)-.5);
	uv_c[2].x += str1*noiz*(rnd(5.62)-.5);
	uv_c[0].y += str1*noiz*(rnd(4.55)-.5);
	uv_c[1].y += str1*noiz*(rnd(3.67)-.5);
	uv_c[2].y += str1*noiz*(rnd(5.54)-.5);
	vec4 res;
	res.r = texture(InputTexture,uv_c[0]).r;
	res.g = texture(InputTexture,uv_c[1]).g;
	res.b = texture(InputTexture,uv_c[2]).b;
	res.a = 1.;
	FragColor = res;
}