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- while (!glfwWindowShouldClose(window))
- {
- float ratio;
- int width, height;
- glfwGetFramebufferSize(window, &width, &height);
- 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) glfwGetTime() * 50.f, 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);
- glfwPollEvents();
- }
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