wrong shader

assets/shaders/engine/editorWaveforms.frag

@@ -4,6 +4,7 @@
 // Used in charter by waveforms -lunar
 
 uniform vec2 textureRes;
+uniform float pixelOffset;
 
 uniform sampler2D waveformTexture;
 uniform ivec2 waveformSize;
@@ -11,7 +12,7 @@ uniform ivec2 waveformSize;
 float getAmplitude(vec2 pixel) {
 	float amplitudeRet = 0.; // look in charter for more how it works -lunar
 
-	float pixelID = floor(pixel.y/3.);
+	float pixelID = floor((pixel.y+pixelOffset)/3.);
 	
 	vec2 wavePixel = vec2(mod(pixelID, waveformSize.x), floor(pixelID/waveformSize.x));
 	vec4 waveData = texture2D(waveformTexture, wavePixel / waveformSize);
@@ -24,21 +25,39 @@ float getAmplitude(vec2 pixel) {
 	return amplitudeRet;
 }
 
+bool inWaveForm(vec2 pixel, float width) {
+	float widthdiv2 = width/2.;
+	return pixel.x > widthdiv2 && pixel.x < textureRes.x-widthdiv2;
+}
+
+float getAmplitudePixel(vec2 pixel, vec2 offset) {
+	return getAmplitude(pixel + offset);
+}
+
+const vec3 gradient1 = vec3(114./255., 81./255., 135./255);
+const vec3 gradient2 = vec3(144./255., 80./255., 186./255);
+
 void main()
 {
 	vec2 pixel = openfl_TextureCoordv * textureRes;
+
 	float amplitude = getAmplitude(pixel);
 	float ampwidth = (1.-amplitude) * textureRes.x;
 
-	gl_FragColor = vec4(0.); // transprenty
+	gl_FragColor = vec4(0.);
 
-	if (pixel.x > (ampwidth/2.) && pixel.x < (textureRes.x-(ampwidth/2.))) {
-		vec3 waveColor = vec3(0.);
-		float outline = 2.;
+	if (inWaveForm(pixel, ampwidth)) {
+		vec3 gradientColor = mix(gradient1, gradient2, openfl_TextureCoordv.x);
 
-		if (pixel.x > ((ampwidth-outline)/2.) && pixel.x < (textureRes.x-((ampwidth-outline)/2.)))
-			waveColor = vec3(openfl_TextureCoordv.x);
+		float ampwidthHighlight = (1.-(amplitude*(1./3.))) * textureRes.x;
+		if (inWaveForm(pixel, ampwidthHighlight)) {
+			float remapCoord = (ampwidthHighlight/textureRes.x)/2.;
 
-		gl_FragColor = vec4(waveColor, 1.);
+			float mappedCoord = map(openfl_TextureCoordv.x, remapCoord, 1.-remapCoord, 0., 1.);
+			float hightlightAmount = 1.-(abs(mappedCoord-0.5)*2.);
+
+			gradientColor = mix(gradientColor, gradientColor * vec3(1.8), map(hightlightAmount, 0., 1., .4, 1.));
+		}
+		gl_FragColor = vec4(vec3(gradientColor * mix(0.5, .8, amplitude)), 1.);
 	}
 }