---

/*{
	"CATEGORIES": [
		"Distortion Effect",
		"Audio Reactive"
	],
	"DESCRIPTION": "Displaces image with audio waveform",
	"ISFVSN": "2",
	"INPUTS": [
		{
			"NAME": "inputImage",
			"TYPE": "image"
		},
		{
			"NAME": "audio",
			"TYPE": "image",
			"LABEL": "Audio Waveform"
		},
		{
			"NAME": "displaceX",
			"TYPE": "float",
			"MAX": 1,
			"DEFAULT": 0.1,
			"MIN": 0,
			"LABEL": "Displace X"
		},
		{
			"NAME": "displaceY",
			"TYPE": "float",
			"MAX": 1,
			"DEFAULT": 0.1,
			"MIN": 0,
			"LABEL": "Displace Y"
		},
		{
			"NAME": "detailX",
			"TYPE": "float",
			"MAX": 1,
			"DEFAULT": 0.5,
			"MIN": 0,
			"LABEL": "Detail X"
		},
		{
			"NAME": "detailY",
			"TYPE": "float",
			"MAX": 1,
			"DEFAULT": 0.5,
			"MIN": 0,
			"LABEL": "Detail Y"
		}
	],
	"PASSES": [
		{
			"DESCRIPTION": "Renderpass 0"
		}
	],
	"CREDIT": "icalvin102 (calvin@icalvin.de)"
}
*/

void main(){

	vec4 inputPixelColor;
	vec2 uv = (isf_FragNormCoord.xy).xy;
	vec2 waveLoc = fract((uv)*vec2(detailX, detailY));

	vec2 wave = vec2(IMG_NORM_PIXEL(audio, vec2(waveLoc.x, 0.0)).r, IMG_NORM_PIXEL(audio, vec2(waveLoc.y, 1.0)).r)-.5;
	wave *= vec2(displaceY, displaceX);

	inputPixelColor = IMG_NORM_PIXEL(inputImage, vec2(uv + wave.yx));

	gl_FragColor = inputPixelColor;
}