3D-printing/OrcaSlicer
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Some initial work for 3D slice rendering

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This commit is contained in:
Alessandro Ranellucci 2014-12-15 15:19:42 +01:00
parent a34cd24fa1
commit a82f95e903
5 changed files with 100 additions and 3 deletions
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72
lib/Slic3r/GUI/PreviewCanvas.pm
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@ -4,7 +4,7 @@ use warnings;
use Wx::Event qw(EVT_PAINT EVT_SIZE EVT_ERASE_BACKGROUND EVT_IDLE EVT_MOUSEWHEEL EVT_MOUSE_EVENTS);
# must load OpenGL *before* Wx::GLCanvas
use OpenGL qw(:glconstants :glfunctions :glufunctions);
use OpenGL qw(:glconstants :glfunctions :glufunctions :gluconstants);
use base qw(Wx::GLCanvas Class::Accessor);
use Math::Trig qw(asin);
use List::Util qw(reduce min max first);
@ -22,6 +22,7 @@ __PACKAGE__->mk_accessors( qw(_quat _dirty init mview_init
on_right_click
on_instance_moved
volumes
print
_sphi _stheta
cutting_plane_z
cut_lines_vertices
@ -564,6 +565,11 @@ sub InitGL {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
# Set antialiasing/multisampling
glDisable(GL_LINE_SMOOTH);
glDisable(GL_POLYGON_SMOOTH);
glEnable(GL_MULTISAMPLE);
# ambient lighting
glLightModelfv_p(GL_LIGHT_MODEL_AMBIENT, 0.1, 0.1, 0.1, 1);
@ -728,6 +734,70 @@ sub draw_volumes {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (defined($self->print) && !$fakecolor) {
my $tess = gluNewTess();
gluTessCallback($tess, GLU_TESS_BEGIN, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_END, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_VERTEX, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_COMBINE, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_ERROR, 'DEFAULT');
gluTessCallback($tess, GLU_TESS_EDGE_FLAG, 'DEFAULT');
foreach my $object (@{$self->print->objects}) {
foreach my $layer (@{$object->layers}) {
my $gap = 0;
my $top_z = $layer->print_z;
my $bottom_z = $layer->print_z - $layer->height + $gap;
foreach my $copy (@{ $object->_shifted_copies }) {
glPushMatrix();
glTranslatef(map unscale($_), @$copy, 0);
foreach my $slice (@{$layer->slices}) {
glColor3f(@{COLORS->[0]});
gluTessBeginPolygon($tess);
glNormal3f(0,0,1);
foreach my $polygon (@$slice) {
gluTessBeginContour($tess);
gluTessVertex_p($tess, (map unscale($_), @$_), $layer->print_z) for @$polygon;
gluTessEndContour($tess);
}
gluTessEndPolygon($tess);
foreach my $polygon (@$slice) {
foreach my $line (@{$polygon->lines}) {
if (0) {
glLineWidth(1);
glColor3f(0,0,0);
glBegin(GL_LINES);
glVertex3f((map unscale($_), @{$line->a}), $bottom_z);
glVertex3f((map unscale($_), @{$line->b}), $bottom_z);
glEnd();
}
glLineWidth(0);
glColor3f(@{COLORS->[0]});
glBegin(GL_QUADS);
glNormal3f((map $_/$line->length, @{$line->normal}), 0);
glVertex3f((map unscale($_), @{$line->a}), $bottom_z);
glVertex3f((map unscale($_), @{$line->b}), $bottom_z);
glVertex3f((map unscale($_), @{$line->b}), $top_z);
glVertex3f((map unscale($_), @{$line->a}), $top_z);
glEnd();
}
}
}
glPopMatrix(); # copy
}
}
}
gluDeleteTess($tess);
return;
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);