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main.cpp
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main.cpp
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#include "GL/freeglut.h"
#include "GL/gl.h"
float WinWid = 400.0;
float WinHei = 400.0;
void Draw() {
glClear(GL_COLOR_BUFFER_BIT);
glutSwapBuffers();
}
void Initsialaize() {
glClearColor(0.0, 0.0, 0.0, 0.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-WinWid/2, WinWid/2, -WinHei/2, WinHei/2, -200.0, 200.0);
glMatrixMode(GL_MODELVIEW);
}
void MenuCheck(int v) {
switch(v) {
case 0 : glutSetWindowTitle("Value 0. Lesson 08");
break;
case 1 : glutSetWindowTitle("Value 1. Made by tapin13");
break;
}
}
void SubMenuCheck(int v) {
switch(v) {
case 5 : glutSetWindowTitle("Submenu");
break;
}
}
void MenuInit() {
int M = glutCreateMenu(MenuCheck);
int Msub = glutCreateMenu(SubMenuCheck);
glutSetMenu(Msub);
glutAddMenuEntry("Submenu!", 5);
glutSetMenu(M);
glutAddMenuEntry("Made by tapin13", 1);
glutAddMenuEntry("Lesson 08", 0);
glutAddSubMenu("Advanced", Msub);
glutRemoveMenuItem(1);
glutAttachMenu(GLUT_RIGHT_BUTTON);
//glutDetachMenu(GLUT_RIGHT_BUTTON);
}
int main(int argc, char** argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);
glutInitWindowSize(WinWid, WinHei);
glutInitWindowPosition(100, 200);
glutCreateWindow("Lesson 08");
glutDisplayFunc(Draw);
Initsialaize();
MenuInit();
glutMainLoop();
return 0;
}