precision mediump float;

uniform sampler2D u_texture;

varying float v_lighting;
varying vec2 v_texcoord;

void main() {
  //gl_FragColor = v_colour;
  //v_texcoord.x = 1.0 - v_texcoord.x;
  vec2 tex = vec2(v_texcoord.x, 1.0 - v_texcoord.y);
  vec3 diffuse = texture2D(u_texture, tex).rgb;
  diffuse = diffuse * v_lighting;
  gl_FragColor = vec4(diffuse, 1.0);
}