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  #1  
Old 08-08-2011, 08:33 AM
kovitch kovitch is offline
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Join Date: Sep 2010
Posts: 30
Unhappy Vizard Collision (ON) issue

Hi,

I'm trying to enable the collision in my world. However, when I use the line viz.collision(viz.ON) something strange happens and I'm not sure what it is.

Could someone give me a tip about what is happening?

My guess is that there's something wrong with the view, but I don't know what to do.

Here is the code:

Code:
import viz
import viztask
import vizmat
import AvatarCamera

viz.go()

viz.MainView.getHeadLight().disable()
#add sun-like directional light
l = viz.addLight()
l.position(0, 1, -.2, 0) #sets light direction

#root encapsulates all world geometry
#root = viz.addGroup()

#viz.setOption('viz.model.apply_collada_scale',1)
#viz.add('Bairro_c_passeio_4.dae', pos=[-1, 0, -1])

ground = viz.add('tut_ground.wrl')

avatarRoot = viz.addGroup()
avatarRoot = viz.add('marker.wrl')
cameraLookAtNode = viz.addGroup(parent=avatarRoot, pos=[0, 1.5, 0])
avatar = viz.add('vcc_male.cfg', parent=avatarRoot)

#Turn on collision
viz.collision(viz.ON)

#setup physics system so viewpoint does not move through walls
viz.phys.enable()
avatar.collideMesh(bounce=0, hardness=1, friction=0)
																																
def moveAvatar():
	avatar_speed = 1
	running = False
	jump =  False
	while True:
		#get user input
		newPos = vizmat.Vector()
		newPos.set([0,0,0])
		if viz.iskeydown(viz.KEY_SHIFT_L):
			avatar_speed = 10
			running = True
		else:
			avatar_speed = 4
			running = False
	
		if viz.iskeydown('w'):
			#walk forward
			newPos = newPos + [0, 0, avatar_speed]
		if viz.iskeydown('s'):
			newPos = newPos + [0, 0, -avatar_speed]
		if viz.iskeydown('a'):
			newPos = newPos + [-avatar_speed, 0, 0]
		if viz.iskeydown('d'):
			newPos = newPos + [avatar_speed, 0, 0]		
		isJumping = False
		isAttacking = False
		if viz.iskeydown(' '):
			#jump
			isJumping = True
		elif viz.iskeydown('v'):
			isAttacking = True
		
		if isAttacking:			
			avatar.state(6)
			yield viztask.waitTime( 1.5 )
		if newPos.length() > 0 or isJumping:
			if newPos.length() == 0:
				#jumping but no direction key, use current heading
				t = vizmat.Transform()
				t.setTrans([0, 0, 1.8])
				t.postEuler(avatar.getEuler()[0],0,0)
				newPos = vizmat.Vector( t.getTrans() )
			newYaw = vizmat.AngleToPoint(0, 0, newPos[0], newPos[2])
			avatar.setEuler(newYaw, 0, 0)
			if not isJumping:
				#just walking				
				cameraEuler = viz.MainView.getEuler()
				avatarRoot.setEuler(cameraEuler[0], 0, 0)
				newPos = newPos * viz.getFrameElapsed()
				avatarRoot.setPosition(newPos, viz.REL_LOCAL)
				if running == False:	
					avatar.state(2)
				else:
					avatar.state(11)
			else:
				#jumping
				avatar.state(7)
				yield viztask.waitTime( avatar.getDuration(7)+.01 )
				#compute jump direction
				newJumpPos = vizmat.Transform()
				newJumpPos.setTrans([0, 0, 1.8])
				newJumpPos.postEuler(avatar.getEuler(viz.ABS_GLOBAL)[0], 0, 0)
				avatarRoot.setPosition(newJumpPos.getTrans(), viz.REL_GLOBAL)
		
		
		if not (viz.iskeydown(' ') or viz.iskeydown('w') or viz.iskeydown('s') or viz.iskeydown('a') or viz.iskeydown('d') ):
			avatar.state(1)
			
		yield None
		
viztask.schedule(moveAvatar())

import vizcam

camera = vizcam.PivotNavigate()
camera.setDistance(5)


def moveCamera():
	while True:
		lookAtPos = avatar.getBone('Bip01 Pelvis').getPosition(viz.ABS_GLOBAL)
		lookAtPos[1] = lookAtPos[1] + .5
		camera.setCenter(lookAtPos)
		camera.updateCenter()
		
		yield None	

viztask.schedule(moveCamera())

Last edited by kovitch; 08-08-2011 at 08:36 AM.
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  #2  
Old 08-08-2011, 12:44 PM
Jeff Jeff is offline
WorldViz Team Member
 
Join Date: Aug 2008
Posts: 2,457
Please post or attach example code that we can run to see the issue. Also, try to make the example as concise as possible.
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  #3  
Old 08-09-2011, 01:40 AM
kovitch kovitch is offline
Member
 
Join Date: Sep 2010
Posts: 30
Run the following code, then uncomment the line viz.collision(viz.ON) and you will see what I am experiencing. Regards.

Code:
import viz
import viztask
import vizmat

viz.go()

viz.MainView.getHeadLight().disable()
#add sun-like directional light
l = viz.addLight()
l.position(0, 1, -.2, 0) #sets light direction

ground = viz.add('tut_ground.wrl')

avatarRoot = viz.addGroup()
avatarRoot = viz.add('marker.wrl')
cameraLookAtNode = viz.addGroup(parent=avatarRoot, pos=[0, 1.5, 0])
avatar = viz.add('vcc_male.cfg', parent=avatarRoot)

#Turn on collision
#viz.collision(viz.ON)

#setup physics system so viewpoint does not move through walls
viz.phys.enable()
avatar.collideMesh(bounce=0, hardness=1, friction=0)
																																
def moveAvatar():
	avatar_speed = 1
	running = False
	jump =  False
	while True:
		#get user input
		newPos = vizmat.Vector()
		newPos.set([0,0,0])
		if viz.iskeydown(viz.KEY_SHIFT_L):
			avatar_speed = 10
			running = True
		else:
			avatar_speed = 4
			running = False
	
		if viz.iskeydown('w'):
			#walk forward
			newPos = newPos + [0, 0, avatar_speed]
		if viz.iskeydown('s'):
			newPos = newPos + [0, 0, -avatar_speed]
		if viz.iskeydown('a'):
			newPos = newPos + [-avatar_speed, 0, 0]
		if viz.iskeydown('d'):
			newPos = newPos + [avatar_speed, 0, 0]		
		isJumping = False
		isAttacking = False
		if viz.iskeydown(' '):
			#jump
			isJumping = True
		elif viz.iskeydown('v'):
			isAttacking = True
		
		if isAttacking:			
			avatar.state(6)
			yield viztask.waitTime( 1.5 )
		if newPos.length() > 0 or isJumping:
			if newPos.length() == 0:
				#jumping but no direction key, use current heading
				t = vizmat.Transform()
				t.setTrans([0, 0, 1.8])
				t.postEuler(avatar.getEuler()[0],0,0)
				newPos = vizmat.Vector( t.getTrans() )
			newYaw = vizmat.AngleToPoint(0, 0, newPos[0], newPos[2])
			avatar.setEuler(newYaw, 0, 0)
			if not isJumping:
				#just walking				
				cameraEuler = viz.MainView.getEuler()
				avatarRoot.setEuler(cameraEuler[0], 0, 0)
				newPos = newPos * viz.getFrameElapsed()
				avatarRoot.setPosition(newPos, viz.REL_LOCAL)
				if running == False:	
					avatar.state(2)
				else:
					avatar.state(11)
			else:
				#jumping
				avatar.state(7)
				yield viztask.waitTime( avatar.getDuration(7)+.01 )
				#compute jump direction
				newJumpPos = vizmat.Transform()
				newJumpPos.setTrans([0, 0, 1.8])
				newJumpPos.postEuler(avatar.getEuler(viz.ABS_GLOBAL)[0], 0, 0)
				avatarRoot.setPosition(newJumpPos.getTrans(), viz.REL_GLOBAL)
		
		
		if not (viz.iskeydown(' ') or viz.iskeydown('w') or viz.iskeydown('s') or viz.iskeydown('a') or viz.iskeydown('d') ):
			avatar.state(1)
			
		yield None
		
viztask.schedule(moveAvatar())

import vizcam

camera = vizcam.PivotNavigate()
camera.setDistance(5)


def moveCamera():
	while True:
		lookAtPos = avatar.getBone('Bip01 Pelvis').getPosition(viz.ABS_GLOBAL)
		lookAtPos[1] = lookAtPos[1] + .5
		camera.setCenter(lookAtPos)
		camera.updateCenter()
		
		yield None	

viztask.schedule(moveCamera())
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