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C-/C++-Quelltext

void TestGS::onUpdate(double time)
{
    if(finished) return;
    if(glfwWindowShouldClose(window))
        finished=true;
    this->time += time;
    for(unsigned int i = -1; i!=0; --i);
    char buf[128];
    memset(buf,0,sizeof(buf));
    sprintf_s(buf,"Programmer is faggot (%.24fs)",(float)time);

    glfwSetWindowTitle(window, buf);
    glfwPollEvents();

}

void TestGS::onPresent()
{
    int width, height;
    glfwMakeContextCurrent(window);

    glfwGetFramebufferSize(window, &width, &height);
    float ratio = width / float(height);

    glViewport(0,0,width,height);
    glClear(GL_COLOR_BUFFER_BIT);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-ratio, ratio, -1.f, 1.f, 1.f, -1.f);
    glMatrixMode(GL_MODELVIEW);

    glLoadIdentity();
    glRotatef(float(time*360.0), 0.f, 0.f, 1.f);

    glBegin(GL_TRIANGLES);
    glColor3f(1.f, 0.f, 0.f);
    glVertex3f(-0.6f, -0.4f, 0.f);
    glColor3f(0.f, 1.f, 0.f);
    glVertex3f(0.6f, -0.4f, 0.f);
    glColor3f(0.f, 0.f, 1.f);
    glVertex3f(0.f, 0.6f, 0.f);
    glEnd();
    

    glfwSwapBuffers(window);
}

C-/C++-Quelltext

#include "TestGS.hpp"

int main()
{
    if(!glfwInit())
        return -1;

    TestGS &test = *new TestGS();
    double lasttime = glfwGetTime();
    double now, currTime;
    while(!test.isFinished())
    {
        now = glfwGetTime();
        currTime = now-lasttime;
        lasttime = now;

        test.onUpdate(currTime*1000);//lasse ich das *1000 weg, ist es ewig langsam, so ist es bei ca. 1 umdrehung/s
        test.onPresent();
        lasttime = glfwGetTime();
    }
    delete &test;
    glfwTerminate();
    return 0;
}