Graphic.exe/Segundo Exercicio.cpp at main · Vitor-Fazoli/Graphic.exe · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
//#include <GL/gl.h>
#include <GL/glew.h>
#include <GL/freeglut.h>

void keyInput(unsigned char key, int x, int y){
    switch(key) {
        case 27:
            exit(0);
            break;
        default:
            break;
    }
}

void resize(int w, int h){
    glViewport(0, 0, w, h);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0.0, 100.0, 0.0, 100.0, -1.0, 1.0);

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

void setup(void) {
    glClearColor(1.0, 1.0, 1.0, 0.0);
}

void drawPolygon (void) {
    glClear(GL_COLOR_BUFFER_BIT);
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    glColor3f(0.0, 0.0, 0.0);
    // desenha o poligono
    glBegin(GL_TRIANGLE_STRIP);

    glVertex3f(10.0, 60.0, 0.0);

    glVertex3f(10.0, 80.0, 0.0);

    glVertex3f(20.0, 60.0, 0.0);

    glVertex3f(40.0, 80.0, 0.0);

    glVertex3f(20.0, 20.0, 0.0);

    glVertex3f(40.0, 40.0, 0.0);

    glVertex3f(80.0, 20.0, 0.0);

    glVertex3f(60.0, 40.0, 0.0);

    glVertex3f(80.0, 60.0, 0.0);

    glVertex3f(60.0, 80.0, 0.0);

    glVertex3f(90.0, 60.0, 0.0);

    glVertex3f(90.0, 80.0, 0.0);


    glEnd();

    glColor3f(1.0, 0.0, 0.0);


    glEnd();

    glFlush();
}

int main (int argc, char** argv){

        glutInit(&argc, argv);

        glutInitContextVersion(4, 3);
        glutInitContextProfile(GLUT_COMPATIBILITY_PROFILE);

        glutInitDisplayMode(GLUT_SINGLE | GLUT_RGBA);
        glutInitWindowPosition(100, 100);

        glutCreateWindow("Hello World modificado");

        glutDisplayFunc(drawPolygon);
        glutReshapeFunc(resize);
        glutKeyboardFunc(keyInput);

        //glewExperimental = GL_TRUE;


        setup();
        glutMainLoop();

    return 0;
}