目前在Qt5中做Opengl的学习时候,发现gluPerspective函数没有定义。
1:
gluPerspective( 45.0, (GLfloat)width/(GLfloat)height, 0.1, 100.0 );
2:
GLfloat zNear = 0.1;
GLfloat zFar = 100.0;
GLfloat aspect = (GLfloat)width/(GLfloat)height;
GLfloat fH = tan(GLfloat(45.0/360.0*3.14159))*zNear;
GLfloat fW = fH * aspect;
glFrustum(-fW, fW, -fH, fH, zNear, zFar);