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Turtle Metamorphoses. From “FD 1” To 3D Animated Characters. Pavel Boytchev www.elica.net. Eurologo 2003, Porto, Portugal. Turtle Metamorphoses. Logo and Turtle graphics Elica as a tool for evolutional experiments Examples. Logo and Turtle graphics. Almost 130 Logo implementations

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Turtle metamorphoses l.jpg

TurtleMetamorphoses

From “FD 1” To 3D Animated Characters

Pavel Boytchev

www.elica.net

Eurologo 2003, Porto, Portugal


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Turtle Metamorphoses

  • Logo and Turtle graphics

  • Elica as a tool for evolutional experiments

  • Examples


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Logo and Turtle graphics

  • Almost 130 Logo implementations

  • Does the evolution hit a dead end?

  • The thing that holds up turtle evolution is...


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Logo and Turtle graphics

The thing that holds up

Turtle evolution is…

...its integration

with the Logo language


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Elica features:

10 built-in commands

No turtle support

Total user control

Elica as a Tool for Experiments

Elica goals:

  • To build Logo itself as a microworld

  • To bring into being Turtle graphics

  • To conduct Turtle evolution


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Turtle Species

General turtle

habitat:3D

shape: no

traces: no


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Turtle Species

Traditional turtle

habitat:2D

shape: triangle

traces: lines


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Turtle Species

3D-shaped turtle

habitat:2D

shape: any

traces: lines


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Turtle Species

Space turtle

habitat:3D

shape: any

traces: lines


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Turtle Species

Spherical turtle

habitat:sphere

shape: any

traces: lines


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Turtle Species

File turtle

habitat:1D

shape: no

traces: bytes


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Turtle Species

Multimedia turtle

habitat:1D

shape: no

traces: frames


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Turtle Species

Camera turtle

habitat:3D

shape: no

traces: POV


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Turtle Species

Android turtle

habitat:3D

shape: no

traces: transfor-

mation matrices


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Turtle Species

Spider turtle

habitat:3D

shape: no

traces: skeleton


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Turtle Species

Human turtle

habitat:3D

shape: no

traces: skeleton


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Turtle Species

Mutant turtle

habitat:3D

shape: no

traces: skeleton


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Turtle Species


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Examples

Examples from Elica Samples:

  • Pithagoras Tree

  • Urbanizing Turtleland

    Examples from Android microworld:

  • No Gravity Man

  • Edit Body

    Examples from Chess Games:

  • Chess Game


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Fresh Examples

st

Sofia(2 hours before 1 flight):

Edwin Pilobello wrote:

Would the same kids find it more fun if the turtle were a Porshe? What if an FD had sound effects like engine roars? Maybe an RT can be accompanied by squealing tires? Instead of a single track, how about double tire marks?

Rashmikant Makwana wrote:

Sounds interesting - can it be done?

Paris(2 hours before 2 flight):

Porto(2 hours before Eurologo):

nd


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The End


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