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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

TurtleMetamorphoses

From “FD 1” To 3D Animated Characters

Pavel Boytchev

www.elica.net

Eurologo 2003, Porto, Portugal

turtle metamorphoses2
Turtle Metamorphoses
  • Logo and Turtle graphics
  • Elica as a tool for evolutional experiments
  • Examples
logo and turtle graphics
Logo and Turtle graphics
  • Almost 130 Logo implementations
  • Does the evolution hit a dead end?
  • The thing that holds up turtle evolution is...
logo and turtle graphics4
Logo and Turtle graphics

The thing that holds up

Turtle evolution is…

...its integration

with the Logo language

elica as a tool for experiments
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
turtle species
Turtle Species

General turtle

habitat:3D

shape: no

traces: no

turtle species7
Turtle Species

Traditional turtle

habitat:2D

shape: triangle

traces: lines

turtle species8
Turtle Species

3D-shaped turtle

habitat:2D

shape: any

traces: lines

turtle species9
Turtle Species

Space turtle

habitat:3D

shape: any

traces: lines

turtle species10
Turtle Species

Spherical turtle

habitat:sphere

shape: any

traces: lines

turtle species11
Turtle Species

File turtle

habitat:1D

shape: no

traces: bytes

turtle species12
Turtle Species

Multimedia turtle

habitat:1D

shape: no

traces: frames

turtle species13
Turtle Species

Camera turtle

habitat:3D

shape: no

traces: POV

turtle species14
Turtle Species

Android turtle

habitat:3D

shape: no

traces: transfor-

mation matrices

turtle species15
Turtle Species

Spider turtle

habitat:3D

shape: no

traces: skeleton

turtle species16
Turtle Species

Human turtle

habitat:3D

shape: no

traces: skeleton

turtle species17
Turtle Species

Mutant turtle

habitat:3D

shape: no

traces: skeleton

examples
Examples

Examples from Elica Samples:

  • Pithagoras Tree
  • Urbanizing Turtleland

Examples from Android microworld:

  • No Gravity Man
  • Edit Body

Examples from Chess Games:

  • Chess Game
fresh examples
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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