---

/*{
	"IMPORTED": [
		{
			"NAME": "iChannel1",
			"PATH": "tex07.jpg"
		}
	],
	"CATEGORIES": [
		"displacement",
		"chromatic",
		"aberration",
		"Automatically Converted"
	],
	"DESCRIPTION": "Automatically converted from https://www.shadertoy.com/view/4lKSDz by Sintel.  STILL CREDS TO MY BOY @LordSk_",
	"INPUTS": [
		{
			"TYPE": "image",
			"NAME": "inputImage"
		}
	]
}
*/


#define AB_SCALE 0.95

vec2 displace(vec2 uv, vec2 offset)
{
    float d = smoothstep(0.2,2.0,IMG_NORM_PIXEL(inputImage,mod((uv*1.0 - vec2(TIME /8.0,0)) + offset,1.0)).r) * 0.25;

    return vec2(d);
}

void main()
{
vec2 uv = isf_FragNormCoord.xy;

    vec2 dr = displace(uv, vec2(0   , 0.02) * AB_SCALE),
         dg = displace(uv, vec2(0.01, 0.01) * AB_SCALE),
         db = displace(uv, vec2(0.01, 0   ) * AB_SCALE);

    vec3 color = vec3(0);
    color += vec3(1, 0, 0)*IMG_NORM_PIXEL(inputImage,mod(uv - dr,1.0)).r;
    color += vec3(0, 1, 0)*IMG_NORM_PIXEL(inputImage,mod(uv - dg,1.0)).g;
    color += vec3(0, 0, 1)*IMG_NORM_PIXEL(inputImage,mod(uv - db,1.0)).b;

    gl_FragColor = vec4(color, 0.0);
}