Wednesday, 30 October 2013

Research Structure - Early research

Limitations within motion capture

Develop, Will Freeman, 2013http://www.develop-online.net/tools-and-tech/motion-capture-moving-with-the-times/0117523
Markers - Limit movement possible
Motion Builder only allows for retargetting between characters with the same amount of bones. The video a little further down shows that this doesn't need to be the case.


constraints highlighted by Michael Gleicher at 1998 siggraph
"We motivate our approach with an example: retargetting motion capture data of an actress walking up to, picking up, and carrying away a box. During pre-processing, we augment the motion data by specifying constraints that are essential to the action: the hands must grab the box in the middle frame, the hands must remain the correct distance apart while carrying the box, and the feet must be planted and not skid when they are on the ground."

NOTE: Consider the affect props have on the capture data. 

Expand

Examples of Non-Human Biped Characters
 (and possible free rigs and meshes i might use during testing)

Could be characters with counter weights like wings, tails or asymmetrical features
Screen1

Could be characters with legs set up more like a birds

Different centers of gravity
Tyrannosaurus_480_0001
Peacock_480_0001
Proportions - Look at Ted and how they applied real motion to the short limbs of the bear
Tortue02

Human Rig for comparison
Poses


How to Judge success

How well the data applies to the new hierarchy without any adaptation?

consider how long the adaptation would take? 

Is the method efficient enough to improve existing pipelines?



Existing Work

Havok Engine retargetting research: 2009 


What I'd like to produceWould like to produce something like the above video for final report. Demonstrating the same motion capture data retargeted to different biped creatures. Hopefully looking a little less stiff than the examples in this video. There should probably be at least an example of a walk cycle and also maybe an interaction with an object.

Things to look intoSomething something.. methods of creating additive animation used to help find a balance between mocapped data and whats needed for the motion to be believable for the character


Chain Maps? (retargetting between different character resolutions. arms, legs, spine.) Important at all?

Friday, 25 October 2013

Motion Capture Monsters

So this is now my project. 

I'm going to look into retargetting motion capture data onto non human characters. As far as i can see, very little has been done to explore this area with the majority of research done been into realistic human motion and facial motion capture.



http://www.youtube.com/watch?v=JGNnhkk4bfU<--Using extra props such as stilt shoes and crutches to get more realistic data.

http://www.youtube.com/watch?v=xr6Ddvi0wPE <-- Example of how a person changes the way they walk to try and add a different sense of weight to performance capture. (also 2D motion capture)


Facial retargetting


Facial mocap using a phone and drawn on markers -->http://vimeo.com/27678634

Sunday, 20 October 2013

MoCap possibilities?

http://www.youtube.com/watch?v=KBd2ToLt8xQ

Guy from mixamo speaking about their process.. Their markers don't stick out and each marker has it's own frequency which makes marker swaps much less likely. I'm jealous.


What are the limits of the motion capture set up? Push it to it's extreme? what can't you do with 8 cameras that you can do with more. Find examples and mimic them with our set up?

Retargetting motion capture data to non human meshes. Monster motion capture
http://vimeo.com/13132912

Motion capture fighting game? Tekken did it? Bit of a tricky one with the whole not knowing anyone who can do flips and things...plus they had the capeaibara

Wednesday, 16 October 2013

Motion Capture - Ikinema

This module is hard.

I want to do something using motion capture but honestly my brain shuts down when I try to think at the moment.

Idea's that have gone nowhere so far..
-Motion capture to create an environment somehow

WAIT
-2D animation using motion capture (was a nowhere but now maybe not?)

Ikinema has a free version that works on browsers. I've figured out little bits using various documentations that i've found and produced this using the tutorial assets that they provide.




I'd like to think about possible applications for 2D motion capture. I want more of a reason to play with this other than just helping massively with the motion capture pipeline.

Maybe making tutorials for creating game animations using this process? Go through the entire pipeline?



Also sidenote.
This took less than half an hour in total. My honours project is silently weeping.

Friday, 11 October 2013

Animation instead of Health Bars

Animations instead of health bars?

Attack/Defense animations

Drawing on fight and flight body language already done

Create a series of animations that replace the need for health bars but give a believable reaction to being attacked.

Maybe have additive animations for different parts of the body that change depending on how damaged that part is similar to the buildings damage in Starcraft. health bar for different Parts of the body.

"Is your opponent right-handed? Then why shouldn't a well-aimed blow to their right arm decrease its efficiency, forcing your foe to switch to his or her weaker arm? Are they fast? Then a blow to the head (concussion) should slow their reactions and decrease their accuracy." -Escapist forum

Creative health bar designs
Starcraft Barracks Health

Rough Person Version
Weak spots affect on animation. Use the defensive nature some bosses have over their weak spots to help inform possible changes to regular animation?

Narrow down the topic by keeping animations to just a silhouette to show whole body gestures rather than details.


Articles related.
http://games.kitguru.net/featured/jon-martindale/lets-kill-off-health-bars/