---

/*{
	"CATEGORIES": [
		"Automatically Converted"
	],
	"INPUTS": [
		{
			"NAME": "scale",
			"TYPE": "float",
			"MAX": 0.05,
			"MIN": 0.0001,
			"DEFAULT": 0.002
		},
		{
			"NAME": "modVal",
			"TYPE": "float",
			"MAX": 10,
			"MIN": 0.2,
			"DEFAULT": 1
		},
		{
			"NAME": "zAdder",
			"TYPE": "float",
			"MAX": 1,
			"MIN": -1,
			"DEFAULT": 0.7
		},
		{
			"NAME": "cosinAdder",
			"TYPE": "float",
			"MAX": 1,
			"MIN": -1,
			"DEFAULT": 0.7
		},
		{
			"NAME": "sinAdder",
			"TYPE": "float",
			"MAX": 1,
			"MIN": -1,
			"DEFAULT": 0.7
		},
		{
			"NAME": "finalMulti",
			"TYPE": "float",
			"MAX": 1,
			"MIN": 0,
			"DEFAULT": 0.7
		}
	]
}
*/


#ifdef GL_ES
precision mediump float;
#endif

#define PI 3.14159265

void main()
{
vec4 c;
	float l = TIME;
	float z=TIME;
	
	for(int i=0;i<4;i++) {
		vec2 uv;
		vec2 p=gl_FragCoord.xy/RENDERSIZE;
		uv=p;
		p-=0.5;
		p.x*=RENDERSIZE.x/RENDERSIZE.y;
		z+=zAdder;
		l=length(p);
		uv+=p/l*(cos(z)+cosinAdder)*(sin(l*9.-z*2.)+sinAdder);
		c[i]=scale/length(abs(mod(uv,modVal)-modVal/2.));
	}
	gl_FragColor=vec4(c/l*finalMulti);
}