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Terrain Following
Isn't there any quick way to do terrain following in Vizard?
Thanks Ruiying |
#2
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You could detect the ground height using an intersection test and then adjust the height of the viewpoint or object that is flying above. Here is a basic example:
Code:
''' Use up/down arrows to move view ''' import viz import vizact import vizinfo viz.setMultiSample(4) viz.fov(60) viz.go() vizinfo.InfoPanel(align=viz.ALIGN_RIGHT_TOP) viz.clearcolor(viz.SLATE) viz.addChild('ground.osgb') viz.move([0,0,-2]) quad = viz.addTexQuad(pos=[0,0,4.5],euler=[0,65,0],scale=[2,10,1],color=viz.RED) quad2 = viz.addTexQuad(pos=[0,0,13.55],euler=[180,65,0],scale=[2,10,1],color=viz.RED) vizact.whilekeydown(viz.KEY_UP,viz.MainView.setPosition,[0,0,0.05],viz.REL_LOCAL) vizact.whilekeydown(viz.KEY_DOWN,viz.MainView.setPosition,[0,0,-0.05],viz.REL_LOCAL) def adjustHeight(): x,y,z = viz.MainView.getPosition() info = viz.intersect([x,y+0.5,z],[x,y-4,z]) groundHeight = info.point[1] viz.MainView.setPosition([x,groundHeight+3,z]) vizact.onupdate(0,adjustHeight) |
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