Processing 2. Креативное программирование

JavaScript

setup() Vec2D . Vec2D PVector Processing,. Polygon2D .ToxiclibsSupport:

gfx = new ToxiclibsSupport( this );

draw() for .for Vec2D.containsPoint() ,. ,, , . gfx.polygon2D().

for ( int i = 0; i < 4; i++ ) {

Vec2D m = new Vec2D( mouseX, mouseY );

if ( polygons[i].containsPoint( m ) ) { fill( 255, 64, 0 );

}else { fill( 0 );

}

gfx.polygon2D( polygons[i] );

}

220

10

Android

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f3D Android

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Processing 2 Processing : Android mode. Android Emulator Android.

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Android SDK

Android .Android SDK Processing, .. Android.

, - , http:// developer.android.com/ sdk/index.html, Android Software Development Kit (SDK) . SDK , -. Documents .

tools android-sdk android. Unix.

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Install 22 packages, . -, .

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Android SDK.Choose.

, Android. ,Processing . .

223

Android

SDK Processing , . Android 2.3.3 (API 10), , Processing.API,Android.

Processing Android SDK. Processing. Mac OS X, :

~/Users/username/Library/Processing/preferences.txt

, , android.sdk.path. Processing Android SDK. Mac OS X, Android SDK Documents, :

android.sdk.path=/Users/username/Documents/android-sdk-macosx

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float x; float y; float prevX; float prevY; float d; float h;

void setup()

{

size( displayWidth, displayHeight ); background( 0 );

224

10

smooth();

x = random( width ); y = random( height ); prevX = x;

prevY = y;

stroke( 255, 128 );

colorMode( HSB, 360, 100, 100, 100 );

}

void draw()

{

x += random( -30, 30 ); y += random( -30, 30 );

x = constrain( x, 0, width ); y = constrain( y, 0, height );

d = dist( x, y, prevX, prevY );

h = map( d, 0, 42, 0, 360 );

fill( h, 100, 100, 50 ); ellipse( x, y, d, d );

prevX = x; prevY = y;

}

Android Processing IDE, Sketch | Run in Emulator menu Cmd + RMac OS X Ctrl + R Windows Linux.

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Processing, ,.

225

Android

, :

size() Android..: 2D 3D.

226

10

Android size() . ,. , .pde.java, ,Android. :

void setup()

{

size( displayWidth, displayHeight, P3D );

}

.java, Processing:

void setup() {}

public int sketchWidth() { return displayWidth;

}

public int sketchHeight() { return displayHeight;

}

public String sketchRenderer() { return P3D;

}

, ,Android., , -. ,. Android.

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sketch.properties AndroidManifest.xml. sketch.propertiesProcessing, Android. AndroidManifest. xml Android, , .

, stop Processing IDE.. ,.

227

Android

Android

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USB.Settings | Applications | DevelopmentUSB debugging:

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float x; float y; float prevX; float prevY; float d; float h;

void setup()

{

size( displayWidth, displayHeight ); background( 0 );

smooth();

x = random( width ); y = random( height ); prevX = x;

prevY = y;

228

10

stroke( 255, 128 );

colorMode( HSB, 360, 100, 100, 100 ); }

void draw()

{

x += random( -30, 30 ); y += random( -30, 30 );

x = constrain( x, 0, width ); y = constrain( y, 0, height );

d = dist( x, y, prevX, prevY );

h = map( d, 0, 42, 0, 360 );

fill( h, 100, 100, 50 ); ellipse( x, y, d, d );

prevX = x; prevY = y;

}

Sketch | Run on Device.

229