#ifdef GL_ES
    precision mediump float;
#endif

uniform float u_AlphaGate;
varying vec2 v_texCoords;
uniform sampler2D u_texture;

void main() {
    vec4 color = texture2D(u_texture, v_texCoords).rgba;

     gl_FragColor = clr.a < 0.4
        ? vec4(0.0, 0.0, 0.0, u_AlphaGate)
        : color;
}