uniform sampler2D uTexMain;
uniform vec3 uCamera;

in vec4 aColour;
in vec2 aUv;
in vec3 aNorm;
in vec3 aCo;
in vec3 aWorldCo;

#include "common_world.glsl"
#include "motion_vectors_fs.glsl"
#include "depth_compare.glsl"

void main(){
   depth_compare_dither();
   compute_motion_vectors();

   vec3 qnorm     = aNorm;
   vec3 diffuse   = texture( uTexMain, aUv ).rgb;
   vec3 composite = world_compute_lighting( diffuse, qnorm, aWorldCo, 1.0 );

   float dist    = distance( aWorldCo, uCamera ) - 0.08;
   float opacity = clamp( dist*dist, 0.0, 1.0 );

   oColour = vec4( composite, opacity );
}