/*
* File: main.c
* Author: marcin
*
* Created on 13 pa?dziernik 2012, 16:29
*/
#include <stdio.h>
#include <stdlib.h>
#include <GL/freeglut.h>
#include <math.h>
/*
*
*/
const float delta_alfa = 0.05;
float alfa = 0.0;
float a = 0.725;
int widthWindow = 600;
int heightWindow = 800;
float r = 1.0;
float fovy = 45.0, aspect = 1.0, near_ = 0.1, far_ = 10.0;//parametry dla gluPerspective()
void ukladWspolrzednych(){
glBegin(GL_LINES);
//linia x rozowa
glColor3f(1.0, 0.0, 1.0);
glVertex3f(5.0, 0.0, 0.0);
glVertex3f(-5.0, 0.0, 0.0);
//linia y zielona
glColor3f(0.0, 1.0, 1.0);
glVertex3f(0.0, 5.0, 0.0);
glVertex3f(0.0, -5.0, 0.0);
//linia z zolta
glColor3f(1.0, 1.0, 0.0);
glVertex3f(0.0, 0.0, 5.0);
glVertex3f(0.0, 0.0, -5.0);
glEnd();
}
void szescian(){
static float wierzcholki[] = {
0.0, 0.0, 0.0,//0 0 0 0
0.75, 0.0, 0.0,//1 a 0 0
0.75, 0.0, 0.75,//2 a 0 a
0.0, 0.0, 0.75,//3 0 0 a
0.0, 0.75, 0.0,//4 0 a 0
0.75, 0.75, 0.0,//5 a a 0
0.75, 0.75, 0.75,//6 a a a
0.0, 0.75, 0.75 //7 0 a a
};
float kolory[] = {
1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, 1.0,
1.0, 1.0, 0.0,
1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, 1.0,
1.0, 1.0, 0.0
};
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, wierzcholki);
glColorPointer(3, GL_FLOAT, 0, kolory);
static unsigned short dolnaSciana[] = {0, 1, 2, 3};
static unsigned short gornaSciana[] = {4, 5, 6, 7};
static unsigned short tylnaSciana[] = {0, 1, 4, 5};
static unsigned short przodSciana[] = {2, 3, 6, 7};
static unsigned short lewaSciana[] = {0, 3, 4, 7};
static unsigned short prawaSciana[] = {1, 2, 5, 6};
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, dolnaSciana);
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, gornaSciana);
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, tylnaSciana);
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, przodSciana);
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, lewaSciana);
glDrawElements(GL_QUADS, 4, GL_UNSIGNED_SHORT, prawaSciana);
}
void anim(){
alfa += delta_alfa;
glutPostRedisplay();
}
void init(){
glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_DEPTH_TEST);
}
void odrysuj(int szerokosc, int wysokosc){
float h = wysokosc;
float w = szerokosc;
glViewport(0, 0, szerokosc, wysokosc);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(fovy, w/h, near_, far_);
glMatrixMode(GL_MODELVIEW);
}
void scena(){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
gluLookAt(2.0, 2.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.1, 0.0);
ukladWspolrzednych();
glRotatef(alfa, 0.0, 1.0, 0.0);
//glTranslatef(r, 0.0, 0.0);
glTranslatef(-a / 2, 0.0, -a / 2);
szescian();
glFlush();
glutSwapBuffers();
}
int main(int argc, char** argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
glutInitWindowSize(heightWindow, widthWindow);
glutInitWindowPosition(100,100);
glutCreateWindow("Scena testowa");
glutDisplayFunc(scena);
glutReshapeFunc(odrysuj);
glutIdleFunc(anim);
init();
glutMainLoop();
return (EXIT_SUCCESS);
}
opengl cube table vertex
Author
hello, I have problem with correct display wall cube. I use table vertex. Please help ;) I'm from Poland
This topic is closed to new replies.
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