1 #version 330 core

     2 

     3 uniform  sampler2D  uTexture;

     4 in       vec2       vTextureXY;

     5 out      vec4       fColor;

     6 

     7 void main(){

     8 	fColor = texture(uTexture, vTextureXY).rgba;

     9 

    10 	float lineCount = 260.;

    11 	fColor.xyz *= abs(sin(radians(vTextureXY.y * 180. * lineCount)));

    12 }