72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
#include "GlutRender.hpp"
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#include <GL/gl.h>
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#include <GL/glut.h>
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#include <cstring>
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GlutRender& GlutRender::get_instance() {
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static GlutRender instance;
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return instance;
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}
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GlutRender::GlutRender() { }
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void GlutRender::init(int* argc, char** argv,
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int wid, int hei, const char* win_name)
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{
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glutInit(argc, argv);
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glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
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glutInitWindowSize(wid, hei);
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glutCreateWindow(win_name);
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glShadeModel(GL_FLAT);
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glutDisplayFunc(display_handle);
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glutReshapeFunc(reshape_handle);
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}
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void GlutRender::cleanup() {
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}
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void GlutRender::add_mesh(const Mesh* mesh) {
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meshes.insert(mesh);
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}
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void GlutRender::remove_mesh(const Mesh* mesh) {
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meshes.erase(mesh);
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}
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void GlutRender::run() {
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}
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void GlutRender::reshape(int wid, int hei) {
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glViewport(0, 0, (GLsizei) wid, (GLsizei) hei);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(0.0, (GLdouble) wid, 0.0, (GLdouble) hei);
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}
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void GlutRender::display() {
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for(const Mesh* mesh: meshes) {
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const std::vector<Point>& points = mesh->get_vertices();
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for(const Face& face: mesh->get_faces()) {
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const Point& p0 = face.pt(0, points),
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p1 = face.pt(2, points),
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p2 = face.pt(2, points);
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glBegin(GL_TRIANGLES);
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glVertex3d(p0[0], p0[1], p0[2]);
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glVertex3d(p1[0], p1[1], p1[2]);
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glVertex3d(p2[0], p2[1], p2[2]);
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glEnd();
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}
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}
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}
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void GlutRender::reshape_handle(int wid, int hei) {
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get_instance().reshape(wid, hei);
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}
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void GlutRender::display_handle() {
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get_instance().display();
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}
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