施宇修的學習筆記week05

gluPerspective(fovy,aspect,zNear,zFar)

fovy視野

aspect y/x比例

glOrtho(左，右，下，上，近，遠)

glFrustum(...)

gluLookAt(eyex,eyey,eyez,

centerx,centery,centerz,

upx,upy,upz)