第二弹 给绘制的物体设置颜色

/*************************************************************************
> File Name: frame.cpp
> Author:Aerk
> Mail: 916356609@qq.com
************************************************************************/

#include<iostream>
#include<GL/glut.h>
using namespace std;
void init(void)
{
glClearColor(0.0,0.0,0.0,0.0);
glMatrixMode(GL_PROJECTION);
glOrtho(-10,10,-10,10,-15,15);
//   glMatrixMode(GL_MODELVIEW);
gluLookAt(0,0,10,0,0,0,0,3,0);

return;
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

glColor3f(1,0,0);
glTranslatef(-2.0f,0.0f,-0.0f);
//    glLoadIdentity();
glBegin(GL_TRIANGLES);
glColor3f(1.0f,0.0f,0.0f);
glVertex3f(0.0f,1.0f,0.0f);
glColor3f(0.0f,1.0f,0.0f);
glVertex3f(-1.0,-1.0,0.0f);
glColor3f(0.0f,0.0f,1.0f);
glVertex3f(1.0,-1.0,0.0f);
glEnd();

glTranslatef(2.0f,0.0f,0.0f);

glBegin(GL_QUADS);

glVertex3f(-1.0f,1.0f,0.0f);
glVertex3f(1.0f,1.0f,0.0f);
glVertex3f(1.0f,-1.0f,0.0f);
glVertex3f(-1.0f,-1.0f,0.0f);
glEnd();
// glutWireTeapot(3);
glFlush();

return;
}
int main(int argc,char **argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGB|GLUT_SINGLE);
glutInitWindowPosition(0,0);
glutInitWindowSize(500,500);

glutCreateWindow("OpenGL 3D View");
init();
glutDisplayFunc(display);
glutMainLoop();

return 0;
}