int main(int argc, char **argv) {
carve::poly::Polyhedron *input = readPLY(argv[1]);
double offset = strtod(argv[2], NULL);
TestScene *scene = new TestScene(argc, argv, 3);
glNewList(scene->draw_list_base, GL_COMPILE);
doOffset(input, offset);
glEndList();
glNewList(scene->draw_list_base + 1, GL_COMPILE);
drawPolyhedron(input, .6, .6, .6, 1.0, false);
glEndList();
glNewList(scene->draw_list_base + 2, GL_COMPILE);
drawPolyhedronWireframe(input);
glEndList();
scene->draw_flags[0] = true;
scene->draw_flags[1] = true;
scene->draw_flags[2] = true;
scene->run();
delete scene;
return 0;
}
//Display Function
void drawScene()
{
//setting
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt( rd * sin(theta) * cos(fi) , rd * cos(theta) , rd * sin(theta) * sin(fi) ,
0.0, 0.0, 0.0,
-cos(theta) * cos(fi), sin(theta), -cos(theta) * sin(fi));
//drawing
glPolygonMode(GL_FRONT, GL_FILL);
glPolygonMode(GL_BACK, GL_LINE);
drawPolyhedron(p);
//swap buffers
glutSwapBuffers();
}
GLuint genSceneDisplayList(std::vector<carve::poly::Polyhedron *> &polys,
std::vector<carve::line::PolylineSet *> &lines,
std::vector<carve::point::PointSet *> &points,
size_t *listSize,
std::vector<bool> &is_wireframe) {
int n = 0;
int N = 1;
is_wireframe.clear();
if (options.wireframe) N = 2;
for (size_t p = 0; p < polys.size(); ++p) n += polys[p]->manifold_is_closed.size() * N;
for (size_t p = 0; p < lines.size(); ++p) n += lines[p]->lines.size() * 2;
n += points.size();
if (n == 0) return 0;
carve::geom3d::AABB aabb;
if (polys.size()) {
aabb = polys[0]->aabb;
} else if (lines.size()) {
aabb = lines[0]->aabb;
} else if (points.size()) {
aabb = points[0]->aabb;
}
for (size_t p = 0; p < polys.size(); ++p) aabb.unionAABB(polys[p]->aabb);
for (size_t p = 0; p < lines.size(); ++p) aabb.unionAABB(lines[p]->aabb);
for (size_t p = 0; p < points.size(); ++p) aabb.unionAABB(points[p]->aabb);
GLuint dlist = glGenLists((GLsizei)(*listSize = n));
is_wireframe.resize(n, false);
double scale_fac = 20.0 / aabb.extent[carve::geom::largestAxis(aabb.extent)];
if (options.fit) {
g_translation = -aabb.pos;
g_scale = scale_fac;
} else {
g_translation = carve::geom::VECTOR(0.0,0.0,0.0);
g_scale = 1.0;
}
unsigned list_num = 0;
for (size_t p = 0; p < polys.size(); ++p) {
carve::poly::Polyhedron *poly = polys[p];
for (unsigned i = 0; i < poly->manifold_is_closed.size(); i++) {
if (!poly->manifold_is_closed[i]) {
is_wireframe[list_num] = false;
glNewList(dlist + list_num++, GL_COMPILE);
glCullFace(GL_BACK);
drawPolyhedron(poly, 0.0f, 0.0f, 0.5f, 1.0f, false, i);
glCullFace(GL_FRONT);
drawPolyhedron(poly, 0.0f, 0.0f, 1.0f, 1.0f, false, i);
glCullFace(GL_BACK);
glEndList();
if (options.wireframe) {
is_wireframe[list_num] = true;
glNewList(dlist + list_num++, GL_COMPILE);
drawPolyhedronWireframe(poly, options.normal, i);
glEndList();
}
}
}
for (unsigned i = 0; i < poly->manifold_is_closed.size(); i++) {
if (poly->manifold_is_closed[i]) {
is_wireframe[list_num] = false;
glNewList(dlist + list_num++, GL_COMPILE);
glCullFace(GL_BACK);
drawPolyhedron(poly, 0.3f, 0.5f, 0.8f, 1.0f, false, i);
glCullFace(GL_FRONT);
drawPolyhedron(poly, 1.0f, 0.0f, 0.0f, 1.0f, false, i);
glCullFace(GL_BACK);
glEndList();
if (options.wireframe) {
is_wireframe[list_num] = true;
glNewList(dlist + list_num++, GL_COMPILE);
drawPolyhedronWireframe(poly, options.normal, i);
glEndList();
}
}
}
}
for (size_t l = 0; l < lines.size(); ++l) {
carve::line::PolylineSet *line = lines[l];
for (carve::line::PolylineSet::line_iter i = line->lines.begin(); i != line->lines.end(); ++i) {
is_wireframe[list_num] = false;
glNewList(dlist + list_num++, GL_COMPILE);
glBegin((*i)->isClosed() ? GL_LINE_LOOP : GL_LINE_STRIP);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
for (carve::line::polyline_vertex_iter j = (*i)->vbegin(); j != (*i)->vend(); ++j) {
carve::geom3d::Vector v = (*j)->v;
glVertex3f(g_scale * (v.x + g_translation.x),
g_scale * (v.y + g_translation.y),
g_scale * (v.z + g_translation.z));
}
glEnd();
glEndList();
is_wireframe[list_num] = true;
glNewList(dlist + list_num++, GL_COMPILE);
glPointSize(2.0);
glColor4f(1.0f, 1.0f, 0.0f, 1.0f);
glBegin(GL_POINTS);
for (carve::line::polyline_vertex_iter j = (*i)->vbegin(); j != (*i)->vend(); ++j) {
carve::geom3d::Vector v = (*j)->v;
glVertex3f(g_scale * (v.x + g_translation.x),
g_scale * (v.y + g_translation.y),
g_scale * (v.z + g_translation.z));
}
glEnd();
glEndList();
}
}
for (size_t l = 0; l < points.size(); ++l) {
carve::point::PointSet *point = points[l];
is_wireframe[list_num] = false;
glNewList(dlist + list_num++, GL_COMPILE);
glPointSize(2.0);
glBegin(GL_POINTS);
for (size_t i = 0; i < point->vertices.size(); ++i) {
carve::geom3d::Vector v = point->vertices[i].v;
glColor4f(0.0f, 1.0f, 1.0f, 1.0f);
glVertex3f(g_scale * (v.x + g_translation.x),
g_scale * (v.y + g_translation.y),
g_scale * (v.z + g_translation.z));
}
glEnd();
glEndList();
}
return dlist;
}