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Old 05-09-2006, 12:05 PM
enkeli enkeli is offline
Member
 
Join Date: Mar 2006
Location: Isla Vista
Posts: 24
The script is somewhat long, I can e-mail you the file, but here are the gaze relevant parts:

Code:
def loadGazes():
	global people, peopleGaze, peopleGazeInit
	for i in range( NUMBER_PEOPLE ):	
		[ x, y, z ] = peopleAvatars[ i ].getpos()
		fromCenter = i - NUMBER_PEOPLE/2
		degrees = 7 * math.fabs( fromCenter )
		if( fromCenter > 0 ):
			degrees = 360 - degrees	
		y = 1.4
		viz.startlayer( viz.LINES )
		viz.linewidth( 1 )
		gazeOrigin = viz.vertex( x, y, z ) 
		gazeEnd = viz.vertex( x + math.tan( math.radians( degrees ) )*GAZE_LENGTH, y, z + GAZE_LENGTH ) 
		gaze = viz.endlayer()
		gaze.color( viz.BLUE )
		gaze.alpha( 0.3 )
		gaze.dynamic()
		if( i == PARTICIPANT_POSITION ):
			gaze.visible( False )

		peopleGazeInit.append( [ x + math.tan( math.radians( degrees ) )*GAZE_LENGTH, y, z + GAZE_LENGTH ] )
		peopleGaze.append( gaze )
Code:
def updateGaze():
	global peopleGaze, peopleGazeInit
	for i in range( NUMBER_PEOPLE ):
		if( not i == PARTICIPANT_POSITION ):
			[ yaw, pitch, roll ] = peopleAvatars[ i ].getbone( 'skel_Head' ).get( viz.EULER )
			peopleGaze[ i ].vertex( 1, peopleGazeInit[ i ][ 0 ] + math.tan( math.radians( yaw ) )*GAZE_LENGTH, peopleGazeInit[ i ][ 1 ] - math.tan( math.radians( pitch ) )*GAZE_LENGTH, peopleGazeInit[ i ][ 2 ] )
Code:
def timer( timerID ):	
	if( timerID == TIMER_UPDATE_GAZE ):
		updateGaze()
		
viz.callback( viz.TIMER_EVENT, timer )
Code:
loadGazes()
viz.starttimer( TIMER_UPDATE_GAZE, 1.0/10.0, viz.FOREVER )
The avatars are computer controlled, the only person using an hmd is the participant and his gaze and avatar are invisible. But this blackout thing is happening without the hmd while just testing with viz.go(). This is all I'm importing for use in this script:

Code:
import vizinfo
import whrandom
import math
if viz.running():
	import sid 		#has to be imported for the gamepad
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