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Show axes and ground

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This commit is contained in:
Alessandro Ranellucci 2013-08-25 02:58:50 +02:00
parent 6f1fd51c2e
commit 945250c8c2
1 changed files with 50 additions and 0 deletions
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50
lib/Slic3r/GUI/PreviewCanvas.pm
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@ -29,6 +29,7 @@ sub new {
# prepare mesh # prepare mesh
{ {
$mesh->align_to_origin;
$self->mesh_center($mesh->center); $self->mesh_center($mesh->center);
$self->mesh_size($mesh->size); $self->mesh_size($mesh->size);
@ -359,6 +360,54 @@ sub Render {
$self->draw_mesh; $self->draw_mesh;
# draw axes
{
my $axis_len = 2 * max(@{ $self->mesh_size });
glLineWidth(2);
glBegin(GL_LINES);
# draw line for x axis
glColor3f(1, 0, 0);
glVertex3f(0, 0, 0);
glVertex3f($axis_len, 0, 0);
# draw line for y axis
glColor3f(0, 1, 0);
glVertex3f(0, 0, 0);
glVertex3f(0, $axis_len, 0);
# draw line for Z axis
glColor3f(0, 0, 1);
glVertex3f(0, 0, 0);
glVertex3f(0, 0, $axis_len);
glEnd();
# draw ground
my $ground_z = -0.02;
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glColor4f(1, 1, 1, 0.5);
glVertex3f(-$axis_len, -$axis_len, $ground_z);
glVertex3f($axis_len, -$axis_len, $ground_z);
glVertex3f($axis_len, $axis_len, $ground_z);
glVertex3f(-$axis_len, $axis_len, $ground_z);
glEnd();
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
# draw grid
glBegin(GL_LINES);
glColor3f(1, 1, 1);
for (my $x = -$axis_len; $x <= $axis_len; $x += 10) {
glVertex3f($x, -$axis_len, $ground_z);
glVertex3f($x, $axis_len, $ground_z);
}
for (my $y = -$axis_len; $y <= $axis_len; $y += 10) {
glVertex3f(-$axis_len, $y, $ground_z);
glVertex3f($axis_len, $y, $ground_z);
}
glEnd();
}
glPopMatrix(); glPopMatrix();
glFlush(); glFlush();
@ -376,6 +425,7 @@ sub draw_mesh {
glCullFace(GL_BACK); glCullFace(GL_BACK);
glNormalPointer_p($self->norms); glNormalPointer_p($self->norms);
glColor3f(1, 1, 1);
glDrawArrays(GL_TRIANGLES, 0, $self->verts->elements / 3); glDrawArrays(GL_TRIANGLES, 0, $self->verts->elements / 3);
glDisableClientState(GL_NORMAL_ARRAY); glDisableClientState(GL_NORMAL_ARRAY);