---

/*{
	"CREDIT": "mojovideotech",
	"DESCRIPTION": "",
	"CATEGORIES": [
		"Generator"
	],
	"INPUTS": [
		{
			"NAME": "size",
			"TYPE": "float",
			"DEFAULT": 1.5,
			"MIN": 0.25,
			"MAX": 3
		},
		{
			"NAME": "rate",
			"TYPE": "float",
			"DEFAULT": 1.5,
			"MIN": 0.25,
			"MAX": 3
		},
		{
			"NAME": "mixer",
			"TYPE": "float",
			"DEFAULT": 0.5,
			"MIN": 0,
			"MAX": 1
		},
		{
			"NAME": "offset",
			"TYPE": "point2D",
			"DEFAULT": [
				-0.45,
				0.79
			],
			"MAX": [
				2,
				2
			],
			"MIN": [
				-2,
				-2
			]
		}
	]
}*/

// TwoPointPerspectiveZoom by mojovideotech

void main() {
	vec2 R = RENDERSIZE.xy; vec2 I = gl_FragCoord.xy;
    float a = abs(I=(I+I-R)/-R.y).y*offset.y;
    vec2 S = vec2(dot(R,I));
    float b = abs(S=(I+I-R)/-R.x).x*offset.x;
	R = sin(6.0*vec2(I.x/a,2.0/a+(rate*TIME))*(3.25-size));
	gl_FragColor -= -sign((R.x*R.y) - pow(R.x*S.y,mix(a*a,b*b,mixer))*b)*a;
//	gl_FragColor -= exp(R.x*S.y)*a*b;
}