FIGURA GEOMETRICA

OBJETO GEOMETRICO

Codigo en OpenGL

#include "stdafx.h"

#include <GL/glut.h>

#include <iostream>

int const ANCHO_VENTANA=600;

int const ALTO_VENTANA=600;

float ver1[]={0,0,0};

float ver2[]={0,0,4};

float ver3[]={4,0,4};

float ver4[]={4,0,0};

float ver5[]={2,6,2};

void reshape(int width, int height)

{

glViewport(0, 0, width, height);

glMatrixMode(GL_PROJECTION);

glLoadIdentity();

glOrtho(-5, 7, -5, 8, 7, -5);

glMatrixMode(GL_MODELVIEW);

}

void display()

{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glColor3f(1,1,1);

glLoadIdentity();

glBegin(GL_TRIANGLES);

//cara derecha

glColor3f(1,0,1);//rojo y azul

glVertex3fv(ver3);

glVertex3fv(ver4);

glVertex3fv(ver5);

//cara trasera

glColor3f(1,0,0);//rojo

glVertex3fv(ver1);

glVertex3fv(ver4);

glVertex3fv(ver5);

//cara frotal

glColor3f(0,0,1);//azul

glVertex3fv(ver2);

glVertex3fv(ver3);

glVertex3fv(ver5);

//cara izquierda

glColor3f(1,1,0);//rojo y verde

glVertex3fv(ver1);

glVertex3fv(ver2);

glVertex3fv(ver5);

glEnd();

//cara base

glBegin(GL_QUADS);

glColor3f(0,1,1);//verde y azul

glVertex3fv(ver1);

glVertex3fv(ver2);

glVertex3fv(ver3);

glVertex3fv(ver4);

glEnd();

glFlush();

}

void myinit()

{

/*glMatrixMode(GL_PROJECTION);

glLoadIdentity();

glMatrixMode(GL_MODELVIEW);*/

glClearColor(0.0, 1.0, 1.0, 1.0);

}

int main(int argc, char* argv[])

{

glutInit(&argc, argv);

glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB| GLUT_DEPTH);

glutInitWindowPosition(50, 50);

glutInitWindowSize(ANCHO_VENTANA, ALTO_VENTANA);

glutCreateWindow("TRIANGULO");

glutReshapeFunc(reshape);

glutDisplayFunc(display);

myinit();

glutMainLoop();

return 0;

}

PANTALLAZO DEL OBJETO

VÉRTICES