a programming language for 3d action creation a programming language for 3d action creation © 2009...

A programming language for 3D action creation

A programming language for 3D action creation

© 2009 Gamer All Rights Reserved

Xiang ShiHaochen Liu

Jian MaEnlin XuQi Liang

What?

•KAction is an imperative, integrated language to create 3D action animation.

simple

action-oriented

efficient


Kung fu Taekwondo

Yoga

Much more...


Why?

Who?

Kung fu master, Yoga expertise, dancer, etc.

People interested in these fields

little programming experience



/* Below is a simple example of KAction Language, HelloKAction */

KAction(Number argc, String argv[]){ Action a; Action b; Action c; Action d;

a = Turn (RElbow, RShoulder, -90, 0);b = Turn (RHand, RElbow, 45, 0);

c = Turn (RHand, RElbow, 90, 0); d = Turn (RHand, RElbow,-90,0);

Seq s(“HelloKAction”)=a>>b>>c;Do s;

}

HelloKAction

DatatypeFundamental datatype

Number String Bool

Action-oriented datatypePoint

Turn Move

Action

Seq

Set


Point

WaistWaistWaistWaist

HeadHeadHeadHead

ChestChestChestChest

RShoulderRShoulderRShoulderRShoulder

RElbowRElbowRElbowRElbow

RHandRHandRHandRHand

RKneeRKneeRKneeRKnee

RAnkleRAnkleRAnkleRAnkle

LShoulderLShoulderLShoulderLShoulder

LElbowLElbowLElbowLElbow

LHandLHandLHandLHand

LKneeLKneeLKneeLKnee

LAnkleLAnkleLAnkleLAnkle


Turnt1 = Turn (Head, Chest, HAngle1, VAngle2);

t2 = Turn (Chest, Head, HAngle1, VAngle2);

t3 = Turn (LShoulder, Chest, HAngle1, VAngle2);

t4 = Turn (Chest, LShoulder, HAngle1, VAngle2);

t5 = Turn (RShoulder, Chest, HAngle1, VAngle2);

t6 = Turn (Chest, RShoulder, HAngle1, VAngle2);

t7 = Turn (Waist, Chest, HAngle1, VAngle2);

t8 = Turn (Chest, Waist, HAngle1, VAngle2);

t9 = Turn (LElbow, LShoulder, HAngle1, VAngle2);

t10 = Turn (LShoulder, LElbow, HAngle1, VAngle2);

t11 = Turn (LHand, LElbow HAngle1, VAngle2);

t12 = Turn (LElbow, LHand, HAngle1, VAngle2);

t13 = Turn (RElbow, RShoulder, HAngle1, VAngle2);

t14 = Turn (RShoulder, RElbow, HAngle1, VAngle2);

t15 = Turn (RHand, RElbow HAngle1, VAngle2);

t16 = Turn (RElbow, RHand, HAngle1, VAngle2);

t17 = Turn (LKnee, Waist, HAngle1, VAngle2);

t18 = Turn (Waist, LKnee, HAngle1, VAngle2);

t19 = Turn (LAnkle, LKnee HAngle1, VAngle2);

t20 = Turn (LKnee, LAnkle, HAngle1, VAngle2);

t21 = Turn (RKnee, Waist, HAngle1, VAngle2);

t22 = Turn (Waist, RKnee, HAngle1, VAngle2);

t23 = Turn (RAnkle, RKnee HAngle1, VAngle2);

t24 = Turn (RKnee, RAnkle, HAngle1, VAngle2);


Turn• t11 = Turn (LHand, LElbow 45, 0);


Move

m1 = Move (Chest, HAngle1, VAngle2, Distance);

m2 = Move (Waist, HAngle1, VAngle2, Distance);


Action

•Fundamental action element


Seq

•Sequential combination of actions


Set

•Sequential combination of sequences


SetSet SetSet SeqSeq SeqSeqTurnTurnTurnTurnMovMov

eeMovMov

ee

ActionAction


HelloKAction/* Below is a simple example of KAction Language, HelloKAction */

KAction(Number argc, String argv[]){

Action a; Action b; Action c; Action d; a = Turn (RElbow, RShoulder, -90, 0);

b = Turn (RHand, RElbow, 45, 0); c = Turn (RHand, RElbow, 90, 0); d = Turn (RHand, RElbow,-90,0);

Seq s(“HelloKAction”)=a>>b>>c;Do s;

}

Create 4 ActionsCreate 4 ActionsCreate 4 ActionsCreate 4 Actions

KAction main KAction main functionfunction

KAction main KAction main functionfunction

Assign 4 Turn Assign 4 Turn actionsactions

Assign 4 Turn Assign 4 Turn actionsactions

Combine 4 Turns as Combine 4 Turns as a Seqa Seq

Combine 4 Turns as Combine 4 Turns as a Seqa Seq

Do the SeqDo the SeqDo the SeqDo the Seq

How?


KAction Architecture


ParserParserParserParser

Symbol Symbol TableTable

Symbol Symbol TableTable

Lexical Lexical AnalyzerAnalyzerLexical Lexical

AnalyzerAnalyzer

Token Stream

Type LibraryType LibraryType LibraryType Library

RenderRenderRenderRender

OpenGLOpenGLOpenGLOpenGL

Class Class “Set” in “Set” in

C++C++


C++C++


C++C++


C++C++


C++C++


C++C++


C++C++


C++C++

OutputOutputOutputOutput

Front EndFront End Back EndBack End

<filename>.k<filename>.k<filename>.k<filename>.kKAction KAction IDEIDE

KAction KAction IDEIDE

Character Stream

Run

A = Turn ( P1, Chest, 90, 0);Do A;

<id, 1> = <TURN> <(> <id, 2> <,> <Chest> <,> <90>, <0> <)> <;><DO> <id, 1> <;>

1 A (address of A)

2 P1 ...

Symbol Table

Lexical AnalyzerLexical AnalyzerLexical AnalyzerLexical Analyzer

ParserParserParserParser

Set {...Seq {

...Action {

Turn[index] /* Store the parsed turn structure */...

}...

}...}

Set {...Seq {

...Action {

Turn[index] /* Store the parsed turn structure */...

}...

}...}

Development Tools and Environment


Flex

Bison

TextMate

Keynote


Integration

• A driver class is implemented in order to utilize both Flex and Bison in C++ mode and their output are encapsulated into class Set.

KAction IDE

Testing

Test casesTest casesTest casesTest cases

Interpreter testInterpreter testInterpreter testInterpreter test Application testApplication testApplication testApplication test


Test PlanInterpreter test

Blackbox testing for grammar consistency.

Complete test coverage and traceability.

Application test

Unit test for automation and regression.

Integration test.Each part of Master 囧 (Jone).Combination of different part of Master 囧 (Jone). © 2009 Gamer All Rights Reserved

Advantages

simple

powerful

efficient

Conclusion

Simple is good, but simple is hard.

Teamwork

Future workimplement system functions

complete grammar implementation

Thank you and Enjoy!

Thank you and Enjoy!

a programming language for 3d action creation a programming language for 3d action creation © 2009...

Documents

turn relbow

turn chest

turn waist

turn rhand

turn lelbow

turn rshoulder

turn lknee

turn lshoulder