modify the perspective view angle to 30

Change-Id: I07b39f8b372368f82137feec3a6d12921fc1ec9f
modify the default view angle

Change-Id: Ic7c901108a290a9d9c5a8564b6eefa7ed32a9e1f
modify the click view angle

Change-Id: I8717745d2f503f8ad3c21673a07aed867b5681f9
add move to default process

Change-Id: I8d562b3e2d1bb83a6e07ed089a3006a109beeece
modify the mouse drag function

Change-Id: I9639b2a29522ba0765f4442c2f78de56388fe754
add shaders for 3.0 glsl version

Change-Id: I52dd49132a9b625e8be51b4d5feb7e567ffa0a6e
add codes for compile the 3.0 shaders

Change-Id: Idc58635cc1604208317319bfa399a1574979a909
add codes for calling the 3.0 shaders

Change-Id: I0e95879c04047ccb836543d801bda6a01ae469ef