Shader Transition effects in UV

[Myth_Xenodo]

@mjurczyk

if (slideCoord.x < 0.0 || slideCoord.x > 1.0 || slideCoord.y < 0.0 || slideCoord.y > 1.0) {
  gl_FragColor = gray;
} else {
  gl_FragColor = texture2D(u_texture, slideCoord) * vec4(slideColor, 1.0);
}

Nvm I get it but I added a little difference however, do you think there is still better to animate this?

            if (slideCoord.x < 0.0 || slideCoord.x > 1.0 || slideCoord.y < 0.0 || slideCoord.y > 1.0) {
                gl_FragColor = vec4(gray,1.0);
            } else {
                gl_FragColor = texture2D(u_texture, slideCoord) * vec4(slideColor, 1.0);
            }

this is the modification