Experiment with a Scissor Overlay
Drag the subarea to change its location.
Please use a browser that supports "canvas"
Manipulate parameters of
createPerspective(fovy, aspect, near, far)
:
fovy (field-of-view y) :
45 degrees
5.0
179
aspect ratio :
1.0
0.1
5.0
near :
2.0
0.1
10.0
far :
10.0
2.0
20.0
Reset Projection