#ifdef GL_ES
precision mediump float;
#endif


// these seem popular nowdays let's try it with a twist --jz

// how many curly fries do we need?
#define MAX_ITER 12
 void mainImage(out vec4 fragColor,in vec2 fragCoord)
//void main( void )
 {

	//vec2 p = vv_FragNormCoord;
	vec2 p=(2.4*fragCoord.xy-iResolution.xy)/iResolution.xy;
	vec2 i = p;

	float c = 0.0;

	float d = length(i);
	float r = atan(i.x, i.y);
	for (int n = 0; n < MAX_ITER; n++) {
		i = i + vec2(
				1.0/float((n+1) * MAX_ITER/(n+1)) * d * sin(r * i.y * (pow(float(n), 2.0 - abs(sin(iTime * 0.022))) * float(MAX_ITER)/float(n+1)) + iTime * 1.49),
				1.0/float((n+1) * MAX_ITER/(n+1)) * d * cos(r * i.x * (pow(float(n), 2.0 - abs(cos(iTime * 0.021))) * float(MAX_ITER)/float(n+1)) + iTime * 1.51)
			);

		d = length(i);
	        r = atan(i.x, i.y);
	}

	c = (1.50-d);
	c = pow(c, .52);
	fragColor = vec4( vec3( c*abs(sin(i.x + 1.0)), c*abs(sin(i.y + 4.0)), c*abs(sin(i.x+i.y + 4.0))) * vec3(.6501,1.15,1.5), 1.0 );
}