UC JT-LSL Translator

Peeking Into Second Life – A JT-Linden Scripting Language Translator Hemant Ramaswami Ratnadeep Paul Shreenivasan Manievannan Sam Anand ( [email_address] ) University of Cincinnati

About Us ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Second Life – A Brief Introduction ,[object Object],[object Object]

Second Life – A Brief Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://secondlife.com/whatis/economy-graphs.php

Second Life – Terms Explained ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

JT File Format and JT Toolkit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Background and Motivation ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Methodology ,[object Object],[object Object],[object Object]

Methodology ,[object Object],[object Object],[object Object],Tessellation Non-planar Surface Planar strips

Methodology ,[object Object],[object Object],[object Object],A B C (x 1 ,y 1 ,z 1 ) (x 2 ,y 2 ,z 2 ) (x 3 ,y 3 ,z 3 ) JT to SL b h E (x e ,y e ,z e ) Top Shear (c x , c y , c z )

Representation of Triangular Facets in SL ,[object Object],[object Object],[object Object]

SL Representation of Triangular Facets ,[object Object],[object Object],[object Object],t x =-0.5 E t x =0 b/2 h/2 t x =0.5 E

Finding Height and Base Information ,[object Object],[object Object],[object Object],A B C b L 2 L 1

Finding Top Shear and Point of Rotation AB = b, CF = h, D and G are the midpoints of AB and CF ,[object Object],[object Object],[object Object],C A D F B K E L G

Finding the Angles of Rotation ,[object Object],[object Object],N is the normal to the triangle ABC passing through E The unit normal is given by where c x , c y , c z are the direction cosines of the normal A C B x z y E N

Converting JT Triangle Information to SL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Rotation in SL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UC JT-LSL Translator Output ,[object Object],[object Object],[object Object]

Scripting in SL (Algorithm) ,[object Object],[object Object],[object Object],[object Object]

Scripting in SL (Algorithm) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Functions Used in SL ,[object Object],[object Object],[object Object],[object Object],[object Object]

How to Use the Translator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to Use the Translator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UC JT-LSL Translator

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