StelGeodesicGrid::StelGeodesicGrid(const int lev) : maxLevel(lev<0?0:lev), lastMaxSearchlevel(-1)
{
if (maxLevel > 0)
{
triangles = new Triangle*[maxLevel+1];
int nr_of_triangles = 20;
for (int i=0;i<maxLevel;i++)
{
triangles[i] = new Triangle[nr_of_triangles];
nr_of_triangles *= 4;
}
for (int i=0;i<20;i++)
{
const int *const corners = icosahedron_triangles[i].corners;
initTriangle(0,i,
icosahedron_corners[corners[0]],
icosahedron_corners[corners[1]],
icosahedron_corners[corners[2]]);
}
}
else
{
triangles = 0;
}
cacheSearchResult = new GeodesicSearchResult(*this);
}
int main(void)
{
GLFWwindow* window;
/* Initialize the library */
if (!glfwInit())
return -1;
//使用OpenGL 3.2
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
/* Create a windowed mode window and its OpenGL context */
window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
if (!window)
{
glfwTerminate();
return -1;
}
/* Make the window's context current */
glfwMakeContextCurrent(window);
if(false==LoadImg("/Users/wistoneqqx/Documents/opengl/github/texture-maps-gl7/texture-maps/test01.jpg",0))
printf("加载图片1失败！\n");
if(false==LoadImg("/Users/wistoneqqx/Documents/opengl/github/texture-maps-gl7/texture-maps/test02.jpg",1))
printf("加载图片2失败！\n");
initShader();
initTriangle();
/* Loop until the user closes the window */
while (!glfwWindowShouldClose(window))
{
/* Render here */
glClearColor(0.0f,0.0f,0.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
drawTriangle();
/* Swap front and back buffers */
glfwSwapBuffers(window);
/* Poll for and process events */
glfwPollEvents();
}
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}
void init(void)
{
mapState.border = createPanelBorder(X_BORD, Y_BORD, WIDTH_BORD);
mapState.button_rect = initRect();
mapState.button_triangle = initTriangle();
mapState.button_line = initLine();
mapState.button_circle = initCircle();
mapState.points_storage = createLinkedList();
mapState.edges_storage = createLinkedList();
}
void StelGeodesicGrid::initTriangle(int lev,int index,
const Vec3f &c0,
const Vec3f &c1,
const Vec3f &c2)
{
Q_ASSERT((c0^c1)*c2 >= 0.0);
Triangle &t(triangles[lev][index]);
t.e0 = c1+c2;
t.e0.normalize();
t.e1 = c2+c0;
t.e1.normalize();
t.e2 = c0+c1;
t.e2.normalize();
lev++;
if (lev < maxLevel)
{
index *= 4;
initTriangle(lev,index+0,c0,t.e2,t.e1);
initTriangle(lev,index+1,t.e2,c1,t.e0);
initTriangle(lev,index+2,t.e1,t.e0,c2);
initTriangle(lev,index+3,t.e0,t.e1,t.e2);
}
}
Convexe2D::Convexe2D(const QVector<Vector2D>& points)
{
if(points.size() < 3)
{
_points = points;
initMinMaxCentre();
setLinked(true);
return;
}
int i0, i1, i2;
if(!initNonAlignee(points, i0,i1,i2)) //si tous les points sont alignés
{
_points.push_back(points[i0]);
_points.push_back(points[i1]);
_min = min(points[i0], points[i1]);
_max = max(points[i0], points[i1]);
_centre =(_min+_max)/2;
setLinked(true);
return;
}
initTriangle(points[i0],points[i1],points[i2]);
for(int i=i2+1; i< points.size(); i++){
ajoutPointConvex(points[i]);
#ifdef DEBUG_PROBLEME
if(i == -1) //pour le débug, retrouver un indice précis où il y a un problème
std::cout << "ici" << std::endl;
else
for(int i3 = 0; i3 < getNbPoints(); i3++)
{
if(inHalfSpaceDroit(_points[i3], _points[(i3+1)%getNbPoints()], _points[(i3+2)%getNbPoints()]))
std::cout << "problème " << i3 << " -> " << getNbPoints() << " => " << i << std::endl;
}
#endif
}
initMinMaxCentre();
setLinked(true);
}
Convexe2D::Convexe2D(const Vector2D& point0, const Vector2D& point1, const Vector2D& point2)
{
initTriangle(point0, point1, point2);
}
