fgdata/Shaders/3dcloud-ALS.frag

uniform sampler2D baseTexture;
varying float fogFactor;

varying vec3 hazeColor;

void main(void)
{
      vec4 base = texture2D( baseTexture, gl_TexCoord[0].st);
      if (base.a < 0.02)
        discard;

      vec4 finalColor = base * gl_Color;
 
      gl_FragColor.rgb = mix(hazeColor, finalColor.rgb, fogFactor );
      gl_FragColor.a = mix(0.0, finalColor.a, 1.0 - 0.5 * (1.0 - fogFactor));
}