The Time Harmonix Made a Non-Music Game
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Transcript of The Time Harmonix Made a Non-Music Game
The Time Harmonix Made a Non-Music Game
Eric MalafeewDirector of Engineering
“Our most challenging development experience”
Guitar Hero
Rock BandKaraoke Revolution
Dance Central
Frequency
The Beatles
Amplitude
Camera-only input!
Released in 2004
Big world physics
Avateered character
Race by land, air, or rail
(Dynamic orchestration)
NEW ENGINE TECH
Physics
Collision Detection
Level Builder
Background Loading
Instancing and Culling
AI
Dynamic Camera
Object Scripting
IMAGE PROCESSING
Interframe differencingBackground subtraction
Pattern RecognitionAdaptive search
Lighting Conditions
Camera FOV
Background noise
Wrist bands
PLAYER CONTROL
SteeringGas/Brake/Slide
Fly
Jump/Duck
Grab Targets
Tricks
No Visual Feedback
RecenteringHands off-screen
UI
LEVEL DESIGN
Slower than gamepad
Camera lag
Overlapped race modes
U cross-sections
Curvy not angled
Artists aren’t designers
PERFORMANCE
60 fps 300 Mhz
Camera OverheadUnconstrained Travel
Long Visuals
Dense Worlds
Other Racers
32 MB
TESTING
Lots of room
Difficult repros
Physical skill
Don’t use gamepad
Perfect lighting
Lulled by internal adeptness
SCHEDULING
One year of development18 people (5 coders)
First time we had other projects in parallel
LEGACY
First game to profit
Strengthened our approach to “alternate controllers”
Best seller before Guitar Hero
Deep foray into camera controlLasting engine buildout