prosperon/source/shaders/line.sglsl

@vs lvs
in vec2 apos;
in float adist;
in vec4 acolor;
in float aseglen;
in float asegspeed;

out float dist;
out vec4 fcolor;
out float seg_len;
out float seg_speed;

uniform lvs_params { mat4 proj; };

void main()
{
  gl_Position = proj * vec4(apos, 0.0, 1.0);
  fcolor = acolor;
  dist = adist;
  seg_len = aseglen;
  seg_speed = asegspeed;
}
@end

@fs lfs
out vec4 color;

in float dist;
in vec4 fcolor;
in float seg_len;
in float seg_speed;

float pat = 0.5;

int pp = 0x0C24;

uniform lfs_params { uniform float time; };

void main()
{
    color = fcolor;
    if (seg_len == 0) return;
    
    if (mod(dist+(time*seg_speed)*seg_len,seg_len)/seg_len < 0.5)
      discard;
/*    
    int d = int(dist);
    
    if (pp * mod((d / 	20), 16) == 0)
      discard;
      
*/
/*      
    
    float patrn = 16 * mod(dist,seg_len)/seg_len;
    
    if (patrn < 8)
      discard;
 */
}
@end

@program line lvs lfs