圖形學實驗01

在自己電腦上我用的是VS2019

​​​OpenGL配置點這裡​​

#include <GL/glut.h>//需要正确安裝GLUT，安裝方法如預備知識中所述

void myDisplay(void)

{
  //glClearColor(0.0, 0.0, 0.0, 0.0);
  glClearColor(1.0, 1.0, 1.0, 1.0);
  glClear(GL_COLOR_BUFFER_BIT);

  glColor3f(1.0f, 1.0f, 1.0f);

  glRectf(-0.5f, -0.5f, 0.5f, 0.5f);//畫矩形

  glBegin(GL_TRIANGLES);

  glColor3f(1.0f, 0.0f, 0.0f); glVertex2f(0.0f, 1.0f);

  glColor3f(0.0f, 1.0f, 0.0f); glVertex2f(0.8f, -0.5f);

  glColor3f(0.0f, 0.0f, 1.0f); glVertex2f(-0.8f, -0.5f);

  glEnd();



  glFlush();
}
int main(int argc, char* argv[])
{
  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
  glutInitWindowPosition(100, 100);
  glutInitWindowSize(400, 400);
  glutCreateWindow("Hello OpenGL!");
  glutDisplayFunc(&myDisplay);
  glutMainLoop();
  return 0;
}