/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- drawTriangle
- drawXYZ
- display
- reshape
- timer
- otherInit
<?php
//三角形の描画
function drawTriangle()
{
glBegin(GL_TRIANGLES);
glVertex3f(0.0, 0.5, 0.0);
glVertex3f(-0.5, -0.5, 0.0);
glVertex3f(0.5, -0.5, 0.0);
glEnd();
}
//-------- XYZ軸の描画-------------//
function drawXYZ()
{
glBegin(GL_LINES);
glColor3f(1.0, 0.0, 0.0);//X軸:赤
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(200.0, 0.0, 0.0);
glColor3f(0.0, 1.0, 0.0);//Y軸:緑
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0.0, 200.0, 0.0);
glColor3f(0.0, 0.0, 1.0);//Z軸:青
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 200.0);
glEnd();
glColor3f(1.0, 1.0, 1.0);//色のリセット
}
//-------- 各種コールバック関数------------//
function display()
{
static $angle = 0;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glLoadIdentity();
gluLookAt(3.0, 2.0, 5,0, 0.0, 0.0, 0.0, 1.0, 0.0);
glPushMatrix();
glTranslatef(1.0, 0.0, 0.0);
glRotatef( $angle, 0.0, 1.0, 0.0);
glColor3f(1.0, 1.0, 0.0);//黄色
drawTriangle();
glPopMatrix();
glPushMatrix();
glRotatef( $angle, 0.0, 1.0, 0.0);
glTranslatef(1.0, 0.0, 0.0);
glColor3f(0.7, 0.7, 0.7);//灰色
drawTriangle();
glPopMatrix();
drawXYZ();//XYZ軸の描画
glutSwapBuffers();
if(++$angle >= 360){ $angle = 0; } //回転角度のリセット
}
function reshape($w, $h)
{
glViewport(0,0,$w,$h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(30.0,$w/$h, 0.1, 200.0);
glMatrixMode(GL_MODELVIEW);
}
function timer($value)
{
glutPostRedisplay();
glutTimerFunc(17,'timer',$value);//少なくとも17ミリ秒後
}
//-------- 各種設定-----------------//
function otherInit()
{
glClearColor(1.0, 1.0, 1.0, 1.0);
glClearDepth(1.0);
glEnable(GL_DEPTH_TEST);
}
//--------- メイン関数------------//
glutInit($argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
glutInitWindowSize(640,480);
glutCreateWindow('Timer Animation');
//コールバック関数登録
glutDisplayFunc('display');
glutReshapeFunc('reshape');
glutTimerFunc(0,'timer',17);
otherInit();//その他設定
glutMainLoop();
exit (0);