#include?“axes.h“

Axes::Axes（QWidget?*parent）?:?QOpenGLWidget（parent）?_eye（0?0?20）?_center（0?0?0）?_up（0?1?0）
{

}



void?Axes::initializeGL（）
{
????initializeOpenGLFunctions（）;
//????glClearColor（0.75?0.75?0.75?1.0）;
????glClearColor（0.0?0.0?0.0?1.0）;
????glPolygonMode（GL_FRONT_AND_BACK?GL_FILL）;
????glDepthFunc（GL_LEQUAL）;
????glEnable（GL_DEPTH_TEST）;
????glColorMaterial（GL_FRONT_AND_BACK?GL_AMBIENT_AND_DIFFUSE）;
????glEnable（GL_COLOR_MATERIAL）;
????glEnable（GL_LIGHT0）;
????glDisable（GL_LIGHTING）;

????//?We?need?a?valid?OpenGL?context?before?building?the?3D?font?display?lists.
????float?glyphWidth?=?3;
????int?numGlyphs?=?256;
????QFont?font?=?QFont（“Sans“?20?QFont::Normal）;
????_textRender.setFont（font?glyphWidth?numGlyphs）;
}

void?Axes::resizeGL（int?w?int?h）
{
????glViewport（0?0?width（）?height（））;
????glMatrixMode（GL_PROJECTION）;
????glLoadIdentity（）;
????perspective（10?float（w）?/?h?2?200）;
????glMatrixMode（GL_MODELVIEW）;
}

void?Axes::paintGL（）
{
????glClear（GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT）;
????glMatrixMode（GL_MODELVIEW）;
????glLoadIdentity（）;
????lookAt（_eye?_center?_up）;

????DrawSpaceAxes（）;
}

void?Axes::DrawSpaceAxes（）
{
????GLdouble?axesLen?=?0.1;
????GLdouble?radius?=?0.03;
????GLdouble?base?=?0.01;
????GLdouble?top?=?0.01;
????GLdouble?baseRadius?=?0.03;
????GLdouble?topRadius?=?0.0;
????GLUquadricObj?*objCylinder?=?gluNewQuadric（）;
//---------------------------------------------------------------------z
????glPushMatrix（）;
????glColor3f（1.0f?0.0f?0.0f）;
????glutSolidSphere（radius66）;
????glColor3f（0.0f0.0f?1.0f）;
????gluCylinder（objCylinderbase?top?axesLen?10?5）;?????????//Z
????glTranslatef（00axesLen）;
????gluCylinder（objCylinderbaseRadius?topRadius?baseRadius?10?5）;?????????????????//Z
????glPopMatrix（）;

????glPushMatrix（）;
????glTranslatef（0?axesLen?/?2axesLen）;
????DrawSpaceText（“Z“）;
????glPopMatrix（）;
//---------------------------------------------------------------------y

????glPushMatrix（）;
????glColor3f（0.0f1.0f?0.0f）;
????glRotatef（-901.00.00.0）;
????gluCylinder（objCylinderbase?top?axesLen?10?5）;?????????//Y
????glTranslatef（00axesLen）;
????gluCylinder（objCylinderbaseRadius?topRadius?baseRadius?10?5）;?????????????????//Y
????glPopMatrix（）;

????glPushMatrix（）;
????glTranslatef（axesLen?/?2axesLen0）;
????DrawSpaceText（“Y“）;
????glPopMatrix（）;
//---------------------------------------------------------------------x

????glPushMatrix（）;
????glColor3f（1.0f0.0f?0.0f）;
????glRotatef（900.01.00.0）;
????gluCylinder（objCylinderbase?top?axesLen?10?5）;?????????//X
????glTranslatef（00axesLen）;
????gluCylinder（objCylinderbaseRadius?topRadius?baseRadius?10?5）;?????????????????//X
????glPopMatrix（）;

????glPushMatrix（）;
????glTranslatef（axesLenaxesLen?/?20）;
????DrawSpaceText（“X“）;
????glPopMatrix（）;
}

void?Axes::DrawSpaceText（QString?text）
{
????//?Draw?3D?text.
????QVector3D?position（0?0?0）;
????int?align?=?Qt::AlignHCenter?|?Qt::Al

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-12-03?07:54??axes\
?????文件????????4981??2019-03-18?15:06??axes\QtFont3D.cpp
?????文件????????1539??2019-03-18?15:06??axes\QtFont3D.h
?????文件????????7381??2020-12-03?07:54??axes\axes.cpp
?????文件????????1251??2020-12-03?15:57??axes\axes.h
?????文件????????1166??2020-12-03?05:25??axes\axes.pro
?????文件???????24192??2020-12-03?05:41??axes\axes.pro.user
?????目錄???????????0??2020-12-03?07:54??axes\build\
?????文件?????????739??2020-12-03?04:53??axes\build\.qmake.stash
?????文件???????25180??2020-12-03?05:25??axes\build\Makefile
?????文件??????919608??2020-12-03?04:59??axes\build\QtFont3D.o
?????文件?????1321504??2020-12-03?07:54??axes\build\axes
?????文件??????784248??2020-12-03?07:54??axes\build\axes.o
?????文件??????914232??2020-12-03?07:54??axes\build\main.o
?????文件????????2614??2020-12-03?07:54??axes\build\moc_axes.cpp
?????文件??????826992??2020-12-03?07:54??axes\build\moc_axes.o
?????文件???????13992??2020-12-03?04:59??axes\build\moc_predefs.h
?????文件?????????347??2020-12-03?05:55??axes\main.cpp