Processing 2. Креативное программирование

Processing

Java, File | New | Java Project.Project Name. MyLib. , Eclipse. Finish .

MyLib Import. ImportArchive File General Next.

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Browse -

.zip. Finish .

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Processing

Processing core.jar. Windowslib Processing. MacProcessing, , - .Processing,Show Package Contents. core.jar Contents | Resources | Java. . ;Processing .

workspace Eclipse libs. -core.jar. workspace , :

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core.jar.MyLib Properties. Java Build PathLibraries , , .

Add External JARs core.jar / workspace/libs.Open .

resources Package Explorerbuild.properties ., -. ProcessingEclipse, .sketchbook.location, classpath.local.location, classpath. local.include classpath.libraries.location.MyLib. (4) .

project.name=MyLib

(5) build.properties.: , - .

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, . BUILD SUCCESSFUL. : BUILD FAILED, - , .

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fsrc Java.

fJRE System Library Java Runtime Environment,.

fReferenced Libraries Processing - core.jar,.

fdata , , .

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, MyLib..

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Processing, ., Processing Eclipse.

src Package Explorer Eclipse. , .src File | New | Class Java.package URL . -Processing. Name MyLib, ,. ,Finish.

, , Eclipse - :

package be.vormplus; public class MyLib {

}

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Processing Java,PApplet String .,Processing.Processing, . PConstants, Processing. :

package be.vormplus;

import processing.core.*;

public class MyLib implements PConstants { PApplet p;

public final static String VERSION = "##library.prettyVersion##";

public MyLib( PApplet _p )

{

p = _p;

}

}

,. :

public void drawHexagon( float radius )

{

p.beginShape();

for ( int i = 0; i < 6; i++ ) {

float x = p.cos( i * THIRD_PI ) * radius; float y = p.sin( i * THIRD_PI ) * radius; p.vertex( x, y );

}

p.endShape( CLOSE );

}

public void drawStar( float radius )

{

float angle = PI / 5;

p.beginShape();

for ( int i = 0; i < 10; i++ ) {

float x, y;

if ( i % 2 == 0 ) {

x = p.cos( i * angle ) * radius; y = p.sin( i * angle ) * radius;

}else {

x = p.cos( i * angle ) * radius/2;

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Processing

y = p.sin( i * angle ) * radius/2;

}

p.vertex( x, y );

}

p.endShape( CLOSE );

}

. play Ant, , . , -BUILD SUCCESSFUL. , BUILD SUCCESSFUL, . , . Eclipse , -. Eclipselibraries . Processing, ,MyLib, PDE:

import be.vormplus.*;

MyLib m;

void setup()

{

size( 640, 480 ); smooth();

m = new MyLib( this );

}

void draw()

{

background( 0 );

fill( 255, 255, 0 ); noStroke();

translate( 200, 240 ); m.drawHexagon( 100 );

translate( 240, 0 ); m.drawStar( 100 );

}

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, , :

Processing. - -Processing. PConstants.Processing., PI,

THIRD_PI CLOSE.

MyLib, m = new MyLib( this ); setup(). this - PApplet. , .PApplet (_p) PApplet (p).

public MyLib( PApplet _p )

{

p = _p;

}

Processing,PApplet. , vertex( x, y ); p.vertex( x, y );.

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