3rd-party/poly2tri
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code cleanup; refined hole API

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This commit is contained in:
zzzzrrr 2010-01-22 22:18:36 -05:00
parent b06bc33c3f
commit 70bcf4b5d0
1 changed files with 74 additions and 32 deletions
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80
testbed/main.cc
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@ -48,7 +48,11 @@ void MainLoop(const double zoom);
void Draw(const double zoom); void Draw(const double zoom);
void DrawMap(const double zoom); void DrawMap(const double zoom);
void ConstrainedColor(bool constrain); void ConstrainedColor(bool constrain);
double StringToDouble(const std::string& s);
/// Dude hole examples
vector<Point*> CreateHeadHole(); vector<Point*> CreateHeadHole();
vector<Point*> CreateChestHole();
float rotate_y = 0, float rotate_y = 0,
rotate_z = 0; rotate_z = 0;
@ -63,16 +67,10 @@ double cy = 0.0;
vector<Triangle*> triangles; vector<Triangle*> triangles;
/// Triangle map /// Triangle map
list<Triangle*> map; list<Triangle*> map;
/// Polylines
vector< vector<Point*> > polylines;
double StringToDouble(const std::string& s) /// Draw the entire triangle map?
{
std::istringstream i(s);
double x;
if (!(i >> x))
return 0;
return x;
}
bool draw_map = false; bool draw_map = false;
int main(int argc, char* argv[]) int main(int argc, char* argv[])
@ -95,12 +93,12 @@ int main(int argc, char* argv[])
double y = rand() % (b - a - 1) + a + 1; double y = rand() % (b - a - 1) + a + 1;
polyline[i] = Point(x, y); polyline[i] = Point(x, y);
} }
*/ */
cx = atof(argv[2]); cx = atof(argv[2]);
cy = atof(argv[3]); cy = atof(argv[3]);
// Parse and tokenize data file
string line; string line;
ifstream myfile(argv[1]); ifstream myfile(argv[1]);
vector<p2t::Point*> points; vector<p2t::Point*> points;
@ -124,19 +122,35 @@ int main(int argc, char* argv[])
} }
cout << "Number of points = " << points.size() << endl; cout << "Number of points = " << points.size() << endl;
polylines.push_back(points);
Init(); Init();
// Perform triangulation ///
/// Perform triangulation
///
double init_time = glfwGetTime(); double init_time = glfwGetTime();
// Step 1 - Create CDT and add primary polyline
CDT* cdt = new CDT(points); CDT* cdt = new CDT(points);
string s = argv[1]; // Step 2 - Add holes if necessary
if(s.rfind("dude.dat", 0) != string::npos) { string s(argv[1]);
cout << "Dude!" << endl; if(s.find("dude.dat", 0) != string::npos) {
// Add head hole
vector<Point*> head_hole = CreateHeadHole();
cdt->AddHole(head_hole);
// Add chest hole
vector<Point*> chest_hole = CreateChestHole();
cdt->AddHole(chest_hole);
polylines.push_back(head_hole);
polylines.push_back(chest_hole);
} }
// Step 3 - Triangulate!
cdt->Triangulate(); cdt->Triangulate();
double dt = glfwGetTime() - init_time; double dt = glfwGetTime() - init_time;
cout << "Elapsed time (secs) = " << dt << endl; cout << "Elapsed time (secs) = " << dt << endl;
@ -255,6 +269,18 @@ void Draw(const double zoom)
glVertex2f(c.x, c.y); glVertex2f(c.x, c.y);
glEnd(); glEnd();
} }
// green
glColor3f(0, 1, 0);
for(int i = 0; i < polylines.size(); i++) {
vector<Point*> poly = polylines[i];
glBegin(GL_LINE_LOOP);
for(int j = 0; j < poly.size(); j++) {
glVertex2f(poly[j]->x, poly[j]->y);
}
glEnd();
}
} }
void DrawMap(const double zoom) void DrawMap(const double zoom)
@ -311,11 +337,27 @@ vector<Point*> CreateHeadHole() {
head_hole.push_back(new Point(332, 423)); head_hole.push_back(new Point(332, 423));
return head_hole; return head_hole;
}
/* vector<Point*> CreateChestHole() {
val chestHole = Array(Point(320.72342f,480f), Point(338.90617f,465.96863f),
Point(347.99754f,480.61584f), Point(329.8148f,510.41534f), vector<Point*> chest_hole;
Point(339.91632f,480.11077f), Point(334.86556f,478.09046f)) chest_hole.push_back(new Point(320.72342,480));
*/ chest_hole.push_back(new Point(338.90617,465.96863));
chest_hole.push_back(new Point(347.99754,480.61584));
chest_hole.push_back(new Point(329.8148,510.41534));
chest_hole.push_back(new Point(339.91632,480.11077));
chest_hole.push_back(new Point(334.86556,478.09046));
return chest_hole;
} }
double StringToDouble(const std::string& s)
{
std::istringstream i(s);
double x;
if (!(i >> x))
return 0;
return x;
}