---

/*{
	"CATEGORIES": [
		"Distortion Effect",
		"Geometry Adjustment"
	],
	"CREDIT": "VIDVOX",
	"DESCRIPTION": null,
	"INPUTS": [
		{
			"NAME": "inputImage",
			"TYPE": "image"
		},
		{
			"DEFAULT": 1,
			"MAX": 10,
			"MIN": 0.01,
			"NAME": "levelX",
			"TYPE": "float"
		},
		{
			"DEFAULT": 1,
			"MAX": 10,
			"MIN": 0.01,
			"NAME": "levelY",
			"TYPE": "float"
		},
		{
			"DEFAULT": [
				0,
				0
			],
			"MAX": [
				1,
				1
			],
			"MIN": [
				0,
				0
			],
			"NAME": "center",
			"TYPE": "point2D"
		}
	],
	"ISFVSN": "2",
	"VSN": null
}
*/

void main() {
vec2		loc;
	vec2		modifiedCenter;

	loc = (isf_FragNormCoord.xy);
	modifiedCenter = center;
	loc.x = (loc.x - modifiedCenter.x)*(1.0/levelX) + modifiedCenter.x;
	loc.y = (loc.y - modifiedCenter.y)*(1.0/levelY) + modifiedCenter.y;
	if ((loc.x < 0.0)||(loc.y < 0.0)||(loc.x > 1.0)||(loc.y > 1.0))	{
		gl_FragColor = vec4(0.0);
	}
	else	{
		gl_FragColor = IMG_NORM_PIXEL(inputImage,loc);
	}
}