Realistic Virtual Actors

Bomb-Sniffing Dog (video clip)

Tue, 19 Jan 2010 12:32:00 +1100

This scenario is also based in a London plaza with a bobby and bomb-sniffer dog (CoJACK agent) confront a civilian suspect (CoJACK agent). When the suspect runs off, the dog pursues but has conflicting 'wills' both to pursue his target and to stay near his handler. This behaviour is achieved with moderator combinations in CoJACK that balance the dog’s aggression for the chase with the anxiety of increasing distance from the bobby. It was interesting that several of the visitors who watched this video commented on its realism as they'd seen this behavior in their own dogs.

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Suspect Package in London (video clip)

Tue, 19 Jan 2010 12:27:31 +1100

This scenario is based in a London plaza (e.g. Canary Wharf) following a PA announcement (text, upper left) that has just warned people of a heightened terror alert for unattended baggage. The civilians (CoJACK agents) respond by leaving the area while a London bobby and his bomb-sniffer dog look for what could be a package bomb. The bobby locates it near a trash receptacle and moves it to the centre of the plaza, not a particularly smart move in real life, but it triggers an interesting reaction from a passerby. As civilians return to the plaza and two kids play with the dog, a man walks past the bobby (at about 01:30) spots the package, notices the content, and runs off (at about 01:37).

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Iraqi Marketplace (video clip)

Tue, 19 Jan 2010 12:14:13 +1100

This scenario is based in an Iraqi marketplace with civilian shoppers (CoJACK agents), a suicide bomber (CoJACK agent) on the prowl and a Marine on patrol (the human player). The other marine (to right of screen) could also be a human player but is stationary during this event. At the bottom of the screen there is a graph showing the fear level of the suicide bomber. When the action starts, the bomber's fear level is zero but it quickly goes up when he spots the Marine. It then declines slowly as he realizes the Marine hasn't seen him. At about 00:26, the crowd begins to disperse as they recognize the bomber and move away from him. At 00:48 the Marine starts to move in the bomber's direction having tentatively identified the bomber by observing the crowd’s movements and the fact that people are avoiding the bomber. By about 00:58 he positively IDs the bomber and the bomber's fear level spikes. The Marine fires his weapon but the bomber isn't killed immediately and detonates his explosive. Note the actions of the escaping civilian in the left foreground when the Marine fires. Having heard the shots, he immediately stops and raises his hands in surrender but is killed in the subsequent explosion.