---

/*{
	"IMPORTED": [],
	"CATEGORIES": [
		"distance",
		"rainbow",
		"magic",
		"Automatically Converted",
		"Shadertoy"
	],
	"DESCRIPTION": "Automatically converted from https://www.shadertoy.com/view/lsfyDn by rls.  My first real shader. This is less daunting than I was expecting.",
	"INPUTS": [
		{
			"NAME": "iMouse",
			"TYPE": "point2D"
		}
	]
}
*/


void main() {



vec2 uv = isf_FragNormCoord.xy;
    float ar = RENDERSIZE.x/RENDERSIZE.y;
    uv.x = uv.x*ar;
    vec2 m = iMouse.xy/RENDERSIZE.xy;
    float t = TIME;

    float speed = 10.0;
    float amp = 0.5;
    float sep = 0.7;

    float a = distance(uv,vec2(sin(t)/5.0+0.75,cos(t)/5.0+0.75))*3.0;
    float b = distance(uv,vec2(sin(t*1.1*-1.0)/5.0+0.25,cos(t*1.4*-1.0)/5.0+0.75))*3.0;
    float c = distance(uv,vec2(sin(t*1.2*-1.0)/5.0+0.75,cos(t*1.5*-1.0)/5.0+0.25))*3.0;
    float d = distance(uv,vec2(sin(t*1.3)/5.0+0.25,cos(t*1.6*-1.0)/5.0+0.25))*3.0;

    float comb = a*b*c*d;

    float red = sin(comb*(3.0)-t*speed)/2.0+0.5;
    float green = sin(comb*(3.0+sep)-t*speed)/2.0+0.5;
    float blue = sin(comb*(3.0+sep*2.0)-t*speed)/2.0+0.5;

    vec3 color = vec3(red-comb+amp,green-comb+amp,blue-comb+amp);

	gl_FragColor = vec4(color, 0.0);
}