matrix.py
This script demonstrates how to apply your own 4x4 matrix to an object.
import viz
import vizact
import vizshape
viz.setMultiSample(4)
viz.fov(60)
viz.go()
import vizinfo
vizinfo.add('This
script demonstrates how to apply your own 4x4 matrix to an object.\nPress
the spacebar to switch between transforming the cone and viewpoint')
#Variable for translation
translation = 0
mode = 0
viz.addChild('ground.osgb')
cone = viz.addChild('tut_cone.wrl')
X = viz.Transform()
X.makeIdent()
X.postTrans(translation,1.6,7)
viz.MainView.setMatrix(X)
cone.setMatrix(X)
def changeMode():
global mode
mode = mode ^
1
vizact.onkeydown('
', changeMode)
def animate():
global translation
X.makeIdent()
X.postTrans(translation,1.6,7)
translation = translation +
.01
if translation >
3:
translation = -3
if mode:
viz.MainView.setMatrix(X)
else:
cone.setMatrix(X)
vizact.ontimer(0, animate)
viz.clearcolor(viz.SKYBLUE)