By making online courses based on Web-2.5D, it will break
through the limitation of instruction time and spaces.
Traditional classrooms will change to 3D classrooms and
teachers and students can be more convenient to carry out
exchanges and interactions through the network. In this virtual
classroom, learners can see the desk of each other’s, ask
questions and walk around casually. At the same time, the
virtual characters also bring some pleasant to the boring
classroom. At the emphasis and difficulties, teachers can use a
web page to set up a virtual showroom and virtual laboratory to
help students refactoring, remembering, and applying the
knowledge correctly. In addition, the students also can get real-
time feedback through the keyboard and mouse, discuss,
practice, and so on. For example, in the geography class of a
high school, teachers can lead students into a virtual
community to reach the scenario that book introduced at any
time. In this virtual community, students can walk, observe,
and even ask to the virtual tour guide. This makes “Without