{\n
// flip the image horizontally by changing the x component of the texture coordinate
if( uIsBackImageVisible == 1.0 )\n
{\n
// flip the image horizontally by changing the x component of the texture coordinate
if( uIsBackImageVisible == 1.0 )\n
- gl_FragColor = texture2D( sTexture, vec2( uTextureRect.p+uTextureRect.s-vTexCoord.x, vTexCoord.y ) ) * uColor; \n
+ gl_FragColor = texture2D( sTexture, vec2( sTextureRect.p+sTextureRect.s-vTexCoord.x, vTexCoord.y ) ) * uColor; \n
else\n
gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
// display book spine, a stripe of shadowed texture
else\n
gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
// display book spine, a stripe of shadowed texture