Splitscan for Isadora found on https://www.shadertoy.com/view/XdGcWK

Splitscan.txt

// All credit to the original owner Hamoid
// Original url https://www.shadertoy.com/view/XdGcWK

uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;
uniform sampler2D tex0;
void main(void) {
    vec2 uv = gl_FragCoord.xy /resolution.xy;
   
    float a = texture2D(tex0, vec2(0.5, time * 0.001)).r;
    // 2D rotation of "a" radians
    float nx = uv.x * cos(a) - uv.y * sin(a);
    float ny = uv.x * sin(a) + uv.y * cos(a);

    vec3 col = texture2D(tex0, vec2(nx, time * 0.01 + ny * 0.01)).rgb;
	
	gl_FragColor = vec4(col.bgr, 1.0);
}