nuclear@2: #ifdef GL_ES
nuclear@2: precision mediump float;
nuclear@2: #endif
nuclear@2: 
nuclear@2: uniform sampler2D tex;
nuclear@2: 
nuclear@2: varying vec3 vpos;
nuclear@2: varying vec4 var_color;
nuclear@2: varying vec2 var_texcoord;
nuclear@2: 
nuclear@2: void main()
nuclear@2: {
nuclear@2: 	vec4 fog_color = vec4(0.6, 0.6, 0.6, 1.0);
nuclear@2: 
nuclear@2: 	float fog = exp(-(0.2 * -vpos.z));
nuclear@2: 
nuclear@2: 	vec4 texel = texture2D(tex, var_texcoord);
nuclear@2: 	texel.w = 1.0;
nuclear@2: 
nuclear@2: 	vec4 col = var_color * texel;
nuclear@2: 	gl_FragColor = mix(fog_color, col, fog);
nuclear@2: }