float eyeX=0.3,eyeY=0.2,eyeZ=0.4,objX=0,objY=0,objZ=0,upX=0,upY=1,upZ=0; //宣告
gluLookAt(eyeX,eyeY,eyeZ,objX,objY,objZ,upX,upY,upZ); //在display 裡面加
if(key==' '){//移動
eyeX-=0.2;
eyeY-=0.2;
}
if(key=='q'){
eyeX+=0.2;
eyeY+=0.2;
}
if(key==' '){
eyeX-=0.2;
eyeY-=0.2;
}
else if(key=='q'){
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-2,2,-2,2,-0.5,0.5);
glMatrixMode(GL_MODELVIEW);
}
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