sample22

#include <gl/glut.h>

//------- 頂点データ-----------//
//｢6｣面､｢4｣頂点､1頂点はx,y,zの｢3｣要素
GLfloat vertexAry[6][4][3] =
{
    //1つめの面(v0-v1-v2-v3)
    {
        {0.f,0.f,0.f},{1.f,0.f,0.f},
        {1.f,1.f,0.f},{0.f,1.f,0.f}
    },
    //2つめの面(v1-v5-v6-v2)
    {
        {1.f,0.f,0.f},{1.f,0.f,-1.f},
        {1.f,1.f,-1.f},{1.f,1.f,0.f}
    },
    //3つめの面(v4-v7-v6-v5)
    {
        {0.f,0.f,-1.f},{0.f,1.f,-1.f},
        {1.f,1.f,-1.f},{1.f,0.f,-1.f}
    },
    //4つめの面(v4-v0-v3-v7)
    {
        {0.f,0.f,-1.f},{0.f,0.f,0.f},
        {0.f,1.f,0.f},{0.f,1.f,-1.f}
    },
    //5つめの面(v3-v2-v6-v7)
    {
        {0.f,1.f,0.f},{1.f,1.f,0.f},
        {1.f,1.f,-1.f},{0.f,1.f,-1.f}
    },
    //6つめの面(v0-v4-v5-v1)
    {
        {0.f,0.f,0.f},{0.f,0.f,-1.f},
        {1.f,0.f,-1.f},{1.f,0.f,0.f}
    }
};

//法線データ
GLfloat normalAry[6][4][3] =
{
    //1つめの面(v0-v1-v2-v3)
    {
        {0.f,0.f,1.f},{0.f,0.f,1.f},
        {0.f,0.f,1.f},{0.f,0.f,1.f}
    },
    //2つめの面(v1-v5-v6-v2)
    {
        {1.f,0.f,0.f},{1.f,0.f,0.f},
        {1.f,0.f,0.f},{1.f,0.f,0.f}
    },
    //3つめの面(v4-v7-v6-v5)
    {
        {0.f,0.f,-1.f},{0.f,0.f,-1.f},
        {0.f,0.f,-1.f},{0.f,0.f,-1.f}
    },
    //4つめの面(v4-v0-v3-v7)
    {
        {-1.f,0.f,0.f},{-1.f,0.f,0.f},
        {-1.f,0.f,0.f},{-1.f,0.f,0.f}
    },
    //5つめの面(v3-v2-v6-v7)
    {
        {0.f,1.f,0.f},{0.f,1.f,0.f},
        {0.f,1.f,0.f},{0.f,1.f,0.f}
    },
    //6つめの面(v0-v4-v5-v1)
    {
        {0.f,-1.f,0.f},{0.f,-1.f,0.f},
        {0.f,-1.f,0.f},{0.f,-1.f,0.f}
    }
};

//色データ
GLfloat colorAry[6][4][3] =
{
    //1つめの面(v0-v1-v2-v3)
    {
        {0.f,0.f,1.f},{0.f,0.f,1.f},
        {0.f,0.f,1.f},{0.f,0.f,1.f}
    },
    //2つめの面(v1-v5-v6-v2)
    {
        {1.f,0.f,0.f},{1.f,0.f,0.f},
        {1.f,0.f,0.f},{1.f,0.f,0.f}
    },
    //3つめの面(v4-v7-v6-v5)
    {
        {0.f,1.f,1.f},{0.f,1.f,1.f},
        {0.f,1.f,1.f},{0.f,1.f,1.f}
    },
    //4つめの面(v4-v0-v3-v7)
    {
        {1.f,1.f,0.f},{1.f,1.f,0.f},
        {1.f,1.f,0.f},{1.f,1.f,0.f}
    },
    //5つめの面(v3-v2-v6-v7)
    {
        {0.f,1.f,0.f},{0.f,1.f,0.f},
        {0.f,1.f,0.f},{0.f,1.f,0.f}
    },
    //6つめの面(v0-v4-v5-v1)
    {
        {1.f,0.f,1.f},{1.f,0.f,1.f},
        {1.f,0.f,1.f},{1.f,0.f,1.f}
    }
};

void drawAry(void)
{
    //有効化
    glEnableClientState(GL_VERTEX_ARRAY);
    glEnableClientState(GL_NORMAL_ARRAY);
    glEnableClientState(GL_COLOR_ARRAY);

    //データの関連付け
    glVertexPointer(3, GL_FLOAT, 0, vertexAry);//座標
    glNormalPointer(GL_FLOAT, 0, normalAry);//法線
    glColorPointer(3,GL_FLOAT, 0, colorAry);//色

    glDrawArrays(GL_QUADS,0,4*6); //描画(4頂点*6面)

    //無効化
    glDisableClientState(GL_COLOR_ARRAY);
    glDisableClientState(GL_NORMAL_ARRAY);
    glDisableClientState(GL_VERTEX_ARRAY);
}
//------- 各種コールバック----------//
void display(void)
{
    static int angle = 0;
    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    gluLookAt(3.0, 4.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

    glPushMatrix();
    glRotatef(float(angle),1.f,0.f,0.f);
    glRotatef(float(angle+45),0.f,1.f,0.f);
    drawAry();
    glPopMatrix();

    glutSwapBuffers();
    if(++angle >= 360) angle = 0;
}

void reshape(int w, int h)
{
    glViewport(0,0,w,h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(30.0, double(w)/h, 0.1, 200.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

void idle(void)
{
    glutPostRedisplay();
}
//------ その他初期設定-------//
void otherInit(void)
{
    glClearColor(1.f, 1.f, 1.f, 1.f);
    glEnable(GL_DEPTH_TEST);
    glColorMaterial(GL_FRONT,GL_AMBIENT_AND_DIFFUSE);
    glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHT0);
    glEnable(GL_LIGHTING);
    glEnable(GL_NORMALIZE);//法線の正規化
}
//----------- メイン関数------------//
int main(int argc, char *argv[])
{
    //GLUTの初期設定
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
    glutInitWindowSize(640,480);
    glutCreateWindow("glDrawArray");

    //コールバック
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutIdleFunc(idle);

    otherInit();//その他初期設定
    glutMainLoop();

    return 0;
}