Ported toolpaths rendering to C++
This commit is contained in:
Alessandro Ranellucci
parent
bfbcbd55d8
commit
2bbb6c570b
6 changed files with 312 additions and 197 deletions
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@ -1140,7 +1140,7 @@ sub _extrusionentity_to_verts {
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my $polyline = $entity->polyline->clone;
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$polyline->translate(@$copy);
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$lines = $polyline->lines;
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$widths = [ map scale($entity->width), 0..$#$lines ];
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$widths = [ map $entity->width, 0..$#$lines ];
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$heights = [ map $entity->height, 0..$#$lines ];
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$closed = 0;
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} else {
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@ -1153,206 +1153,13 @@ sub _extrusionentity_to_verts {
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$polyline->translate(@$copy);
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my $path_lines = $polyline->lines;
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push @$lines, @$path_lines;
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push @$widths, map scale($path->width), 0..$#$path_lines;
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push @$widths, map $path->width, 0..$#$path_lines;
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push @$heights, map $path->height, 0..$#$path_lines;
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}
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}
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my ($prev_line, $prev_b1, $prev_b2, $prev_xy_left_normal, $prev_xy_right_normal);
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# loop once more in case of closed loops
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my $first_done = 0;
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for my $i (0..$#$lines, 0) {
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my $line = $lines->[$i];
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last if $i == 0 && $first_done && !$closed;
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my $len = $line->length;
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my $unscaled_len = unscale $len;
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next if $len == 0;
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my $bottom_z = $top_z - $heights->[$i];
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my $middle_z = ($top_z + $bottom_z) / 2;
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my $dist = $widths->[$i]/2; # scaled
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my $v = Slic3r::Pointf3->new_unscale(@{$line->vector});
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$v->scale(1/$unscaled_len);
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my $a = $line->a;
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my $b = $line->b;
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my $a1 = $a->clone;
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my $a2 = $a->clone;
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$a1->translate(+$dist*$v->y, -$dist*$v->x); #,,
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$a2->translate(-$dist*$v->y, +$dist*$v->x); #,,
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my $b1 = $b->clone;
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my $b2 = $b->clone;
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$b1->translate(+$dist*$v->y, -$dist*$v->x); #,,
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$b2->translate(-$dist*$v->y, +$dist*$v->x); #,,
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# calculate new XY normals
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my $xy_right_normal = Slic3r::Pointf3->new_unscale(@{$line->normal}, 0);
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$xy_right_normal->scale(1/$unscaled_len);
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my $xy_left_normal = $xy_right_normal->clone;
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$xy_left_normal->scale(-1);
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if ($first_done) {
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# if we're making a ccw turn, draw the triangles on the right side, otherwise draw them on the left side
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my $ccw = $b->ccw(@$prev_line);
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if ($ccw > epsilon) {
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# top-right vertex triangle between previous line and this one
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{
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# use the normal going to the right calculated for the previous line
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push @$tnorms, @$prev_xy_right_normal;
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push @$tverts, (map unscale($_), @$prev_b1), $middle_z;
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# use the normal going to the right calculated for this line
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push @$tnorms, @$xy_right_normal;
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push @$tverts, (map unscale($_), @$a1), $middle_z;
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# normal going upwards
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push @$tnorms, (0,0,1);
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push @$tverts, (map unscale($_), @$a), $top_z;
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}
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# bottom-right vertex triangle between previous line and this one
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{
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# use the normal going to the right calculated for the previous line
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push @$tnorms, @$prev_xy_right_normal;
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push @$tverts, (map unscale($_), @$prev_b1), $middle_z;
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# normal going downwards
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push @$tnorms, (0,0,-1);
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push @$tverts, (map unscale($_), @$a), $bottom_z;
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# use the normal going to the right calculated for this line
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push @$tnorms, @$xy_right_normal;
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push @$tverts, (map unscale($_), @$a1), $middle_z;
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}
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} elsif ($ccw < -&epsilon) {
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# top-left vertex triangle between previous line and this one
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{
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# use the normal going to the left calculated for the previous line
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push @$tnorms, @$prev_xy_left_normal;
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push @$tverts, (map unscale($_), @$prev_b2), $middle_z;
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# normal going upwards
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push @$tnorms, (0,0,1);
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push @$tverts, (map unscale($_), @$a), $top_z;
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# use the normal going to the right calculated for this line
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push @$tnorms, @$xy_left_normal;
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push @$tverts, (map unscale($_), @$a2), $middle_z;
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}
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# bottom-left vertex triangle between previous line and this one
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{
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# use the normal going to the left calculated for the previous line
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push @$tnorms, @$prev_xy_left_normal;
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push @$tverts, (map unscale($_), @$prev_b2), $middle_z;
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# use the normal going to the right calculated for this line
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push @$tnorms, @$xy_left_normal;
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push @$tverts, (map unscale($_), @$a2), $middle_z;
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# normal going downwards
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push @$tnorms, (0,0,-1);
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push @$tverts, (map unscale($_), @$a), $bottom_z;
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}
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}
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}
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# if this was the extra iteration we were only interested in the triangles
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last if $first_done && $i == 0;
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$prev_line = $line;
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$prev_b1 = $b1;
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$prev_b2 = $b2;
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$prev_xy_right_normal = $xy_right_normal;
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$prev_xy_left_normal = $xy_left_normal;
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if (!$closed) {
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# terminate open paths with caps
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if ($i == 0) {
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# normal pointing downwards
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push @$qnorms, (0,0,-1);
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push @$qverts, (map unscale($_), @$a), $bottom_z;
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# normal pointing to the right
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push @$qnorms, @$xy_right_normal;
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push @$qverts, (map unscale($_), @$a1), $middle_z;
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# normal pointing upwards
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push @$qnorms, (0,0,1);
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push @$qverts, (map unscale($_), @$a), $top_z;
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# normal pointing to the left
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push @$qnorms, @$xy_left_normal;
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push @$qverts, (map unscale($_), @$a2), $middle_z;
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} elsif ($i == $#$lines) {
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# normal pointing downwards
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push @$qnorms, (0,0,-1);
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push @$qverts, (map unscale($_), @$b), $bottom_z;
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# normal pointing to the left
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push @$qnorms, @$xy_left_normal;
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push @$qverts, (map unscale($_), @$b2), $middle_z;
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# normal pointing upwards
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push @$qnorms, (0,0,1);
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push @$qverts, (map unscale($_), @$b), $top_z;
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# normal pointing to the right
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push @$qnorms, @$xy_right_normal;
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push @$qverts, (map unscale($_), @$b1), $middle_z;
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}
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}
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# bottom-right face
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{
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# normal going downwards
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push @$qnorms, (0,0,-1), (0,0,-1);
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push @$qverts, (map unscale($_), @$a), $bottom_z;
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push @$qverts, (map unscale($_), @$b), $bottom_z;
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push @$qnorms, @$xy_right_normal, @$xy_right_normal;
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push @$qverts, (map unscale($_), @$b1), $middle_z;
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push @$qverts, (map unscale($_), @$a1), $middle_z;
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}
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# top-right face
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{
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push @$qnorms, @$xy_right_normal, @$xy_right_normal;
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push @$qverts, (map unscale($_), @$a1), $middle_z;
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push @$qverts, (map unscale($_), @$b1), $middle_z;
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# normal going upwards
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push @$qnorms, (0,0,1), (0,0,1);
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push @$qverts, (map unscale($_), @$b), $top_z;
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push @$qverts, (map unscale($_), @$a), $top_z;
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}
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# top-left face
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{
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push @$qnorms, (0,0,1), (0,0,1);
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push @$qverts, (map unscale($_), @$a), $top_z;
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push @$qverts, (map unscale($_), @$b), $top_z;
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push @$qnorms, @$xy_left_normal, @$xy_left_normal;
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push @$qverts, (map unscale($_), @$b2), $middle_z;
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push @$qverts, (map unscale($_), @$a2), $middle_z;
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}
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# bottom-left face
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{
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push @$qnorms, @$xy_left_normal, @$xy_left_normal;
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push @$qverts, (map unscale($_), @$a2), $middle_z;
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push @$qverts, (map unscale($_), @$b2), $middle_z;
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# normal going downwards
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push @$qnorms, (0,0,-1), (0,0,-1);
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push @$qverts, (map unscale($_), @$b), $bottom_z;
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push @$qverts, (map unscale($_), @$a), $bottom_z;
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}
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$first_done++;
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}
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Slic3r::GUI::_3DScene::_extrusionentity_to_verts_do($lines, $widths, $heights,
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$closed, $top_z, $copy, $qverts, $qnorms, $tverts, $tnorms);
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}
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sub object_idx {
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220
xs/src/libslic3r/GUI/3DScene.cpp
Normal file
220
xs/src/libslic3r/GUI/3DScene.cpp
Normal file
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@ -0,0 +1,220 @@
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#include "3DScene.hpp"
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namespace Slic3r {
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void
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_3DScene::_extrusionentity_to_verts_do(const Lines &lines, const std::vector<double> &widths,
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const std::vector<double> &heights, bool closed, double top_z, const Point ©,
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Pointf3s* qverts, Pointf3s* qnorms, Pointf3s* tverts, Pointf3s* tnorms)
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{
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Line prev_line;
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Pointf prev_b1, prev_b2;
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Vectorf3 prev_xy_left_normal, prev_xy_right_normal;
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// loop once more in case of closed loops
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bool first_done = false;
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for (int i = 0; i <= lines.size(); ++i) {
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if (i == lines.size()) i = 0;
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const Line &line = lines.at(i);
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if (i == 0 && first_done && !closed) break;
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double len = line.length();
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if (len == 0) continue;
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double unscaled_len = unscale(len);
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double bottom_z = top_z - heights.at(i);
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double middle_z = (top_z + bottom_z) / 2;
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double dist = widths.at(i)/2; // scaled
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Vectorf v = Vectorf::new_unscale(line.vector());
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v.scale(1/unscaled_len);
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Pointf a = Pointf::new_unscale(line.a);
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Pointf b = Pointf::new_unscale(line.b);
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Pointf a1 = a;
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Pointf a2 = a;
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a1.translate(+dist*v.y, -dist*v.x);
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a2.translate(-dist*v.y, +dist*v.x);
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Pointf b1 = b;
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Pointf b2 = b;
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b1.translate(+dist*v.y, -dist*v.x);
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b2.translate(-dist*v.y, +dist*v.x);
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// calculate new XY normals
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Vector n = line.normal();
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Vectorf3 xy_right_normal = Vectorf3::new_unscale(n.x, n.y, 0);
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xy_right_normal.scale(1/unscaled_len);
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Vectorf3 xy_left_normal = xy_right_normal;
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xy_left_normal.scale(-1);
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if (first_done) {
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// if we're making a ccw turn, draw the triangles on the right side, otherwise draw them on the left side
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double ccw = line.b.ccw(prev_line);
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if (ccw > EPSILON) {
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// top-right vertex triangle between previous line and this one
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{
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// use the normal going to the right calculated for the previous line
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tnorms->push_back(prev_xy_right_normal);
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tverts->push_back(Pointf3(prev_b1.x, prev_b1.y, middle_z));
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// use the normal going to the right calculated for this line
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tnorms->push_back(xy_right_normal);
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tverts->push_back(Pointf3(a1.x, a1.y, middle_z));
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// normal going upwards
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tnorms->push_back(Pointf3(0,0,1));
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tverts->push_back(Pointf3(a.x, a.y, top_z));
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}
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// bottom-right vertex triangle between previous line and this one
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{
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// use the normal going to the right calculated for the previous line
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tnorms->push_back(prev_xy_right_normal);
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tverts->push_back(Pointf3(prev_b1.x, prev_b1.y, middle_z));
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// normal going downwards
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tnorms->push_back(Pointf3(0,0,-1));
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tverts->push_back(Pointf3(a.x, a.y, bottom_z));
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// use the normal going to the right calculated for this line
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tnorms->push_back(xy_right_normal);
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tverts->push_back(Pointf3(a1.x, a1.y, middle_z));
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}
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} else if (ccw < -EPSILON) {
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// top-left vertex triangle between previous line and this one
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{
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// use the normal going to the left calculated for the previous line
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tnorms->push_back(prev_xy_left_normal);
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tverts->push_back(Pointf3(prev_b2.x, prev_b2.y, middle_z));
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// normal going upwards
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tnorms->push_back(Pointf3(0,0,1));
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tverts->push_back(Pointf3(a.x, a.y, top_z));
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// use the normal going to the right calculated for this line
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tnorms->push_back(xy_left_normal);
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tverts->push_back(Pointf3(a2.x, a2.y, middle_z));
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}
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// bottom-left vertex triangle between previous line and this one
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{
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// use the normal going to the left calculated for the previous line
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tnorms->push_back(prev_xy_left_normal);
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tverts->push_back(Pointf3(prev_b2.x, prev_b2.y, middle_z));
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// use the normal going to the right calculated for this line
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tnorms->push_back(xy_left_normal);
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tverts->push_back(Pointf3(a2.x, a2.y, middle_z));
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// normal going downwards
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tnorms->push_back(Pointf3(0,0,-1));
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tverts->push_back(Pointf3(a.x, a.y, bottom_z));
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}
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}
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}
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// if this was the extra iteration we were only interested in the triangles
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if (first_done && i == 0) break;
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prev_line = line;
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prev_b1 = b1;
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prev_b2 = b2;
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prev_xy_right_normal = xy_right_normal;
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prev_xy_left_normal = xy_left_normal;
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if (!closed) {
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// terminate open paths with caps
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if (i == 0) {
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// normal pointing downwards
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qnorms->push_back(Pointf3(0,0,-1));
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qverts->push_back(Pointf3(a.x, a.y, bottom_z));
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// normal pointing to the right
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qnorms->push_back(xy_right_normal);
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qverts->push_back(Pointf3(a1.x, a1.y, middle_z));
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// normal pointing upwards
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qnorms->push_back(Pointf3(0,0,1));
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qverts->push_back(Pointf3(a.x, a.y, top_z));
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// normal pointing to the left
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qnorms->push_back(xy_left_normal);
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qverts->push_back(Pointf3(a2.x, a2.y, middle_z));
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} else if (i == lines.size()-1) {
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// normal pointing downwards
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qnorms->push_back(Pointf3(0,0,-1));
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qverts->push_back(Pointf3(b.x, b.y, bottom_z));
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// normal pointing to the left
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qnorms->push_back(xy_left_normal);
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qverts->push_back(Pointf3(b2.x, b2.y, middle_z));
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// normal pointing upwards
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qnorms->push_back(Pointf3(0,0,1));
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qverts->push_back(Pointf3(b.x, b.y, top_z));
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// normal pointing to the right
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qnorms->push_back(xy_right_normal);
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qverts->push_back(Pointf3(b1.x, b1.y, middle_z));
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}
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}
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// bottom-right face
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{
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// normal going downwards
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qnorms->push_back(Pointf3(0,0,-1));
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qnorms->push_back(Pointf3(0,0,-1));
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qverts->push_back(Pointf3(a.x, a.y, bottom_z));
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qverts->push_back(Pointf3(b.x, b.y, bottom_z));
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qnorms->push_back(xy_right_normal);
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qnorms->push_back(xy_right_normal);
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qverts->push_back(Pointf3(b1.x, b1.y, middle_z));
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qverts->push_back(Pointf3(a1.x, a1.y, middle_z));
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}
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// top-right face
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{
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qnorms->push_back(xy_right_normal);
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qnorms->push_back(xy_right_normal);
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qverts->push_back(Pointf3(a1.x, a1.y, middle_z));
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qverts->push_back(Pointf3(b1.x, b1.y, middle_z));
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// normal going upwards
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qnorms->push_back(Pointf3(0,0,1));
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qnorms->push_back(Pointf3(0,0,1));
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qverts->push_back(Pointf3(b.x, b.y, top_z));
|
||||
qverts->push_back(Pointf3(a.x, a.y, top_z));
|
||||
}
|
||||
|
||||
// top-left face
|
||||
{
|
||||
qnorms->push_back(Pointf3(0,0,1));
|
||||
qnorms->push_back(Pointf3(0,0,1));
|
||||
qverts->push_back(Pointf3(a.x, a.y, top_z));
|
||||
qverts->push_back(Pointf3(b.x, b.y, top_z));
|
||||
|
||||
qnorms->push_back(xy_left_normal);
|
||||
qnorms->push_back(xy_left_normal);
|
||||
qverts->push_back(Pointf3(b2.x, b2.y, middle_z));
|
||||
qverts->push_back(Pointf3(a2.x, a2.y, middle_z));
|
||||
}
|
||||
|
||||
// bottom-left face
|
||||
{
|
||||
qnorms->push_back(xy_left_normal);
|
||||
qnorms->push_back(xy_left_normal);
|
||||
qverts->push_back(Pointf3(a2.x, a2.y, middle_z));
|
||||
qverts->push_back(Pointf3(b2.x, b2.y, middle_z));
|
||||
|
||||
// normal going downwards
|
||||
qnorms->push_back(Pointf3(0,0,-1));
|
||||
qnorms->push_back(Pointf3(0,0,-1));
|
||||
qverts->push_back(Pointf3(b.x, b.y, bottom_z));
|
||||
qverts->push_back(Pointf3(a.x, a.y, bottom_z));
|
||||
}
|
||||
|
||||
first_done = true;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
20
xs/src/libslic3r/GUI/3DScene.hpp
Normal file
20
xs/src/libslic3r/GUI/3DScene.hpp
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
#ifndef slic3r_3DScene_hpp_
|
||||
#define slic3r_3DScene_hpp_
|
||||
|
||||
#include <myinit.h>
|
||||
#include "../Point.hpp"
|
||||
#include "../Line.hpp"
|
||||
|
||||
namespace Slic3r {
|
||||
|
||||
class _3DScene
|
||||
{
|
||||
public:
|
||||
static void _extrusionentity_to_verts_do(const Lines &lines, const std::vector<double> &widths,
|
||||
const std::vector<double> &heights, bool closed, double top_z, const Point ©,
|
||||
Pointf3s* qverts, Pointf3s* qnorms, Pointf3s* tverts, Pointf3s* tnorms);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -48,6 +48,15 @@ class Line
|
|||
#endif
|
||||
};
|
||||
|
||||
class Linef
|
||||
{
|
||||
public:
|
||||
Pointf a;
|
||||
Pointf b;
|
||||
Linef() {};
|
||||
explicit Linef(Pointf _a, Pointf _b): a(_a), b(_b) {};
|
||||
};
|
||||
|
||||
class Linef3
|
||||
{
|
||||
public:
|
||||
|
|
|
|||
|
|
@ -9,6 +9,7 @@
|
|||
namespace Slic3r {
|
||||
|
||||
class Line;
|
||||
class Linef;
|
||||
class MultiPoint;
|
||||
class Point;
|
||||
class Pointf;
|
||||
|
|
@ -82,6 +83,12 @@ class Pointf
|
|||
coordf_t x;
|
||||
coordf_t y;
|
||||
explicit Pointf(coordf_t _x = 0, coordf_t _y = 0): x(_x), y(_y) {};
|
||||
static Pointf new_unscale(coord_t x, coord_t y) {
|
||||
return Pointf(unscale(x), unscale(y));
|
||||
};
|
||||
static Pointf new_unscale(const Point &p) {
|
||||
return Pointf(unscale(p.x), unscale(p.y));
|
||||
};
|
||||
void scale(double factor);
|
||||
void translate(double x, double y);
|
||||
void rotate(double angle, const Pointf ¢er);
|
||||
|
|
@ -100,6 +107,9 @@ class Pointf3 : public Pointf
|
|||
public:
|
||||
coordf_t z;
|
||||
explicit Pointf3(coordf_t _x = 0, coordf_t _y = 0, coordf_t _z = 0): Pointf(_x, _y), z(_z) {};
|
||||
static Pointf3 new_unscale(coord_t x, coord_t y, coord_t z) {
|
||||
return Pointf3(unscale(x), unscale(y), unscale(z));
|
||||
};
|
||||
void scale(double factor);
|
||||
void translate(const Vectorf3 &vector);
|
||||
void translate(double x, double y, double z);
|
||||
|
|
|
|||
49
xs/xsp/GUI_3DScene.xsp
Normal file
49
xs/xsp/GUI_3DScene.xsp
Normal file
|
|
@ -0,0 +1,49 @@
|
|||
%module{Slic3r::XS};
|
||||
|
||||
#include <myinit.h>
|
||||
#include "libslic3r/GUI/3DScene.hpp"
|
||||
|
||||
%package{Slic3r::GUI::_3DScene};
|
||||
%{
|
||||
|
||||
void
|
||||
_extrusionentity_to_verts_do(Lines lines, std::vector<double> widths, std::vector<double> heights, bool closed, double top_z, Point* copy, SV* qverts, SV* qnorms, SV* tverts, SV* tnorms)
|
||||
CODE:
|
||||
Pointf3s _qverts, _qnorms, _tverts, _tnorms;
|
||||
_3DScene::_extrusionentity_to_verts_do(lines, widths, heights, closed,
|
||||
top_z, *copy, &_qverts, &_qnorms, &_tverts, &_tnorms);
|
||||
|
||||
{
|
||||
AV* av = (AV*)SvRV(qverts);
|
||||
for (Pointf3s::const_iterator it = _qverts.begin(); it != _qverts.end(); ++it) {
|
||||
av_push(av, newSVnv(it->x));
|
||||
av_push(av, newSVnv(it->y));
|
||||
av_push(av, newSVnv(it->z));
|
||||
}
|
||||
}
|
||||
{
|
||||
AV* av = (AV*)SvRV(qnorms);
|
||||
for (Pointf3s::const_iterator it = _qnorms.begin(); it != _qnorms.end(); ++it) {
|
||||
av_push(av, newSVnv(it->x));
|
||||
av_push(av, newSVnv(it->y));
|
||||
av_push(av, newSVnv(it->z));
|
||||
}
|
||||
}
|
||||
{
|
||||
AV* av = (AV*)SvRV(tverts);
|
||||
for (Pointf3s::const_iterator it = _tverts.begin(); it != _tverts.end(); ++it) {
|
||||
av_push(av, newSVnv(it->x));
|
||||
av_push(av, newSVnv(it->y));
|
||||
av_push(av, newSVnv(it->z));
|
||||
}
|
||||
}
|
||||
{
|
||||
AV* av = (AV*)SvRV(tnorms);
|
||||
for (Pointf3s::const_iterator it = _tnorms.begin(); it != _tnorms.end(); ++it) {
|
||||
av_push(av, newSVnv(it->x));
|
||||
av_push(av, newSVnv(it->y));
|
||||
av_push(av, newSVnv(it->z));
|
||||
}
|
||||
}
|
||||
|
||||
%}
|
||||
Loading…
Reference in a new issue