int target_px = connection_id % world.w;
int target_py = (connection_id - target_px)/world.w;
vg_line2( (v2f){ fish->pos[0], fish->pos[1] }, (v2f){ target_px, target_py }, 0xffffffff, 0xffffffff );
int target_px = connection_id % world.w;
int target_py = (connection_id - target_px)/world.w;
vg_line2( (v2f){ fish->pos[0], fish->pos[1] }, (v2f){ target_px, target_py }, 0xffffffff, 0xffffffff );