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Aesthetically Evolved Virtual Pets Tom Ray Zoology, University of Oklahoma ATR Human Information Processing Research Laboratories, Kyoto The Concept Aesthetic, emotional, and empathetic selection are applied to a derivative of Karl Sims' Evolved Virtual Creatures .

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Aesthetically Evolved Virtual Pets

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Aesthetically evolved virtual pets l.jpg

Aesthetically EvolvedVirtual Pets

Tom Ray

Zoology, University of Oklahoma

ATR Human Information Processing Research Laboratories, Kyoto


The concept l.jpg

The Concept

  • Aesthetic, emotional, and empathetic selection are applied to a derivative of Karl Sims'Evolved Virtual Creatures.

  • The resulting Creatures can be beautiful or strange, and provoke strong reactions in human observers.

  • It may be possible to evolve virtual pets to which humans can form strong emotional bonds.


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Directed Graph Bodies


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Neural Circuitry

  • Sensors

  • Processors

  • Effectors

    • Randomly Connected


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Time

Joint Yaw

Joint Pitch

Joint Roll

X Position

Y Position

Z Position

X Velocity

Y Velocity

Z Velocity

Red Color Value

Green Color Value

Blue Color Value

X Angular Velocity

Y Angular Velocity

Z Angular Velocity

X Force

Y Force

Z Force

19 Sensors


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22 Leaves

The 19 sensors

Random

Constant

Oscillator

34 Unary Operations

The 7 color effectors

Sine

Cosine

Exponent

Absolute value

etc.

27 Binary Operations

Add

Subtract

Multiply

Divide

Modulus

And

Not

Or

Greater

Equal

etc.

83 Processors


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3 Joint Actuators

Yaw

Pitch

Roll

7 Color Effectors

Red

Green

Blue

Red & Green

Green & Blue

Blue & Red

Red & Green & Blue

Effectors


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Ray’s Creatures


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Coming Enhancements

  • Genome editor

  • Hybrid GA / aesthetic selection

  • Co-evolutionary scenarios


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Sims’ Automated Evolution

  • Karl Sims used a GA to automate evolution

  • With selection for:

    • Swimming speed

    • Crawling/walking speed

    • Jumping height

    • Ability to follow


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Sims’ Co-evolution

  • Karl Sims used GA selection for possession of a block

  • to create a co-evolutionary scenario


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Ray’s Co-evolution

  • Rather than using GA selection for competition

  • I will evolve my creatures to love

  • By selecting for:

    • Moving towards one another

    • Maximum surface contact

    • Continued relative movement while in contact


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More Information

  • Ray, T. S. 2000. Aesthetically Evolved Virtual Pets. In: “Artificial Life 7 Workshop Proceedings,” Carlo C. Maley and Eilis Boudreau [eds.]. Proceedings of the Seventh Artificial Life Conference. Pp. 158-161.

  • http://www.isd.atr.co.jp/~ray/pubs/alife7a/

  • tray@ou.edu


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The End


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