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<div class="subTitle">controlP5</div>
<h2 title="Class Knob" class="title">Class Knob</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../controlP5/Controller.html" title="class in controlP5">controlP5.Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></li>
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<li>controlP5.Knob</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../controlP5/CDrawable.html" title="interface in controlP5">CDrawable</a>, <a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>>, <a href="../controlP5/ControlP5Constants.html" title="interface in controlP5">ControlP5Constants</a></dd>
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<pre>public class <span class="strong">Knob</span>
extends <a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></pre>
<div class="block">A knob is a circular slider which can be used with a limited and unlimited range. Knobs come in 3
designs LINE, ARC and ELIPSE and can be controller with both the mouse and the mouse wheel.</div>
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<div id="test" class="toggleList"><dl><dt onclick="toggle(this);"><span>+</span>Example</dt><dd><code><pre>/**
* ControlP5 Knob
*
*
* find a list of public methods available for the Knob Controller
* at the bottom of this sketch.
*
* by Andreas Schlegel, 2012
* www.sojamo.de/libraries/controlp5
*
*/
import controlP5.*;
ControlP5 cp5;
int myColorBackground = color(0,0,0);
int knobValue = 100;
Knob myKnobA;
Knob myKnobB;
void setup() {
size(700,400);
smooth();
noStroke();
cp5 = new ControlP5(this);
myKnobA = cp5.addKnob("knob")
.setRange(0,255)
.setValue(50)
.setPosition(100,70)
.setRadius(50)
.setDragDirection(Knob.VERTICAL)
;
myKnobB = cp5.addKnob("knobValue")
.setRange(0,255)
.setValue(220)
.setPosition(100,210)
.setRadius(50)
.setNumberOfTickMarks(10)
.setTickMarkLength(4)
.snapToTickMarks(true)
.setColorForeground(color(255))
.setColorBackground(color(0, 160, 100))
.setColorActive(color(255,255,0))
.setDragDirection(Knob.HORIZONTAL)
;
}
void draw() {
background(myColorBackground);
fill(knobValue);
rect(0,height/2,width,height/2);
fill(0,100);
rect(80,40,140,320);
}
void knob(int theValue) {
myColorBackground = color(theValue);
println("a knob event. setting background to "+theValue);
}
void keyPressed() {
switch(key) {
case('1'):myKnobA.setValue(180);break;
case('2'):myKnobB.setConstrained(false).hideTickMarks().snapToTickMarks(false);break;
case('3'):myKnobA.shuffle();myKnobB.shuffle();break;
}
}
/*
a list of all methods available for the Knob Controller
use ControlP5.printPublicMethodsFor(Knob.class);
to print the following list into the console.
You can find further details about class Knob in the javadoc.
Format:
ClassName : returnType methodName(parameter type)
controlP5.Knob : Knob setConstrained(boolean)
controlP5.Knob : Knob setDragDirection(int)
controlP5.Knob : Knob setMax(float)
controlP5.Knob : Knob setMin(float)
controlP5.Knob : Knob setNumberOfTickMarks(int)
controlP5.Knob : Knob setRadius(float)
controlP5.Knob : Knob setRange(float)
controlP5.Knob : Knob setResolution(float)
controlP5.Knob : Knob setScrollSensitivity(float)
controlP5.Knob : Knob setSensitivity(float)
controlP5.Knob : Knob setShowRange(boolean)
controlP5.Knob : Knob setStartAngle(float)
controlP5.Knob : Knob setTickMarkLength(int)
controlP5.Knob : Knob setTickMarkWeight(float)
controlP5.Knob : Knob setValue(float)
controlP5.Knob : Knob setViewStyle(int)
controlP5.Knob : Knob showTickMarks(boolean)
controlP5.Knob : Knob shuffle()
controlP5.Knob : Knob snapToTickMarks(boolean)
controlP5.Knob : Knob update()
controlP5.Knob : boolean isConstrained()
controlP5.Knob : boolean isShowRange()
controlP5.Knob : boolean isShowTickMarks()
controlP5.Knob : float getAngle()
controlP5.Knob : float getRadius()
controlP5.Knob : float getRange()
controlP5.Knob : float getResolution()
controlP5.Knob : float getStartAngle()
controlP5.Knob : float getTickMarkWeight()
controlP5.Knob : float getValue()
controlP5.Knob : int getDragDirection()
controlP5.Knob : int getNumberOfTickMarks()
controlP5.Knob : int getTickMarkLength()
controlP5.Knob : int getViewStyle()
controlP5.Controller : CColor getColor()
controlP5.Controller : ControlBehavior getBehavior()
controlP5.Controller : ControlWindow getControlWindow()
controlP5.Controller : ControlWindow getWindow()
controlP5.Controller : ControllerProperty getProperty(String)
controlP5.Controller : ControllerProperty getProperty(String, String)
controlP5.Controller : Knob addCallback(CallbackListener)
controlP5.Controller : Knob addListener(ControlListener)
controlP5.Controller : Knob bringToFront()
controlP5.Controller : Knob bringToFront(ControllerInterface)
controlP5.Controller : Knob hide()
controlP5.Controller : Knob linebreak()
controlP5.Controller : Knob listen(boolean)
controlP5.Controller : Knob lock()
controlP5.Controller : Knob plugTo(Object)
controlP5.Controller : Knob plugTo(Object, String)
controlP5.Controller : Knob plugTo(Object[])
controlP5.Controller : Knob plugTo(Object[], String)
controlP5.Controller : Knob registerProperty(String)
controlP5.Controller : Knob registerProperty(String, String)
controlP5.Controller : Knob registerTooltip(String)
controlP5.Controller : Knob removeBehavior()
controlP5.Controller : Knob removeCallback()
controlP5.Controller : Knob removeCallback(CallbackListener)
controlP5.Controller : Knob removeListener(ControlListener)
controlP5.Controller : Knob removeProperty(String)
controlP5.Controller : Knob removeProperty(String, String)
controlP5.Controller : Knob setArrayValue(float[])
controlP5.Controller : Knob setArrayValue(int, float)
controlP5.Controller : Knob setBehavior(ControlBehavior)
controlP5.Controller : Knob setBroadcast(boolean)
controlP5.Controller : Knob setCaptionLabel(String)
controlP5.Controller : Knob setColor(CColor)
controlP5.Controller : Knob setColorActive(int)
controlP5.Controller : Knob setColorBackground(int)
controlP5.Controller : Knob setColorCaptionLabel(int)
controlP5.Controller : Knob setColorForeground(int)
controlP5.Controller : Knob setColorValueLabel(int)
controlP5.Controller : Knob setDecimalPrecision(int)
controlP5.Controller : Knob setDefaultValue(float)
controlP5.Controller : Knob setHeight(int)
controlP5.Controller : Knob setId(int)
controlP5.Controller : Knob setImages(PImage, PImage, PImage)
controlP5.Controller : Knob setImages(PImage, PImage, PImage, PImage)
controlP5.Controller : Knob setLabelVisible(boolean)
controlP5.Controller : Knob setLock(boolean)
controlP5.Controller : Knob setMax(float)
controlP5.Controller : Knob setMin(float)
controlP5.Controller : Knob setMouseOver(boolean)
controlP5.Controller : Knob setMoveable(boolean)
controlP5.Controller : Knob setPosition(PVector)
controlP5.Controller : Knob setPosition(float, float)
controlP5.Controller : Knob setSize(PImage)
controlP5.Controller : Knob setSize(int, int)
controlP5.Controller : Knob setStringValue(String)
controlP5.Controller : Knob setUpdate(boolean)
controlP5.Controller : Knob setValueLabel(String)
controlP5.Controller : Knob setView(ControllerView)
controlP5.Controller : Knob setVisible(boolean)
controlP5.Controller : Knob setWidth(int)
controlP5.Controller : Knob show()
controlP5.Controller : Knob unlock()
controlP5.Controller : Knob unplugFrom(Object)
controlP5.Controller : Knob unplugFrom(Object[])
controlP5.Controller : Knob unregisterTooltip()
controlP5.Controller : Knob update()
controlP5.Controller : Knob updateSize()
controlP5.Controller : Label getCaptionLabel()
controlP5.Controller : Label getValueLabel()
controlP5.Controller : List getControllerPlugList()
controlP5.Controller : PImage setImage(PImage)
controlP5.Controller : PImage setImage(PImage, int)
controlP5.Controller : PVector getAbsolutePosition()
controlP5.Controller : PVector getPosition()
controlP5.Controller : String getAddress()
controlP5.Controller : String getInfo()
controlP5.Controller : String getName()
controlP5.Controller : String getStringValue()
controlP5.Controller : String toString()
controlP5.Controller : Tab getTab()
controlP5.Controller : boolean isActive()
controlP5.Controller : boolean isBroadcast()
controlP5.Controller : boolean isInside()
controlP5.Controller : boolean isLabelVisible()
controlP5.Controller : boolean isListening()
controlP5.Controller : boolean isLock()
controlP5.Controller : boolean isMouseOver()
controlP5.Controller : boolean isMousePressed()
controlP5.Controller : boolean isMoveable()
controlP5.Controller : boolean isUpdate()
controlP5.Controller : boolean isVisible()
controlP5.Controller : float getArrayValue(int)
controlP5.Controller : float getDefaultValue()
controlP5.Controller : float getMax()
controlP5.Controller : float getMin()
controlP5.Controller : float getValue()
controlP5.Controller : float[] getArrayValue()
controlP5.Controller : int getDecimalPrecision()
controlP5.Controller : int getHeight()
controlP5.Controller : int getId()
controlP5.Controller : int getWidth()
controlP5.Controller : int listenerSize()
controlP5.Controller : void remove()
controlP5.Controller : void setView(ControllerView, int)
java.lang.Object : String toString()
java.lang.Object : boolean equals(Object)
*/
</pre></code></dd></dl></div></dl>
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<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#autoHeight">autoHeight</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#autoWidth">autoWidth</a></strong></code> </td>
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<h3>Fields inherited from interface controlP5.<a href="../controlP5/ControlP5Constants.html" title="interface in controlP5">ControlP5Constants</a></h3>
<code><a href="../controlP5/ControlP5Constants.html#acceptClassList">acceptClassList</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_BROADCAST">ACTION_BROADCAST</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_CLICK">ACTION_CLICK</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_DRAG">ACTION_DRAG</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_ENTER">ACTION_ENTER</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_EXIT">ACTION_EXIT</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_LEAVE">ACTION_LEAVE</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_MOVE">ACTION_MOVE</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_PRESS">ACTION_PRESS</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_PRESSED">ACTION_PRESSED</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_RELEASE">ACTION_RELEASE</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_RELEASED">ACTION_RELEASED</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_RELEASEDOUTSIDE">ACTION_RELEASEDOUTSIDE</a>, <a href="../controlP5/ControlP5Constants.html#ACTION_WHEEL">ACTION_WHEEL</a>, <a href="../controlP5/ControlP5Constants.html#ACTIVE">ACTIVE</a>, <a href="../controlP5/ControlP5Constants.html#ALL">ALL</a>, <a href="../controlP5/ControlP5Constants.html#ALT">ALT</a>, <a href="../controlP5/ControlP5Constants.html#AQUA">AQUA</a>, <a href="../controlP5/ControlP5Constants.html#ARC">ARC</a>, <a href="../controlP5/ControlP5Constants.html#ARRAY">ARRAY</a>, <a href="../controlP5/ControlP5Constants.html#BACKSPACE">BACKSPACE</a>, <a href="../controlP5/ControlP5Constants.html#BASELINE">BASELINE</a>, <a href="../controlP5/ControlP5Constants.html#BITFONT">BITFONT</a>, <a href="../controlP5/ControlP5Constants.html#BLACK">BLACK</a>, <a href="../controlP5/ControlP5Constants.html#BLUE">BLUE</a>, <a href="../controlP5/ControlP5Constants.html#BOOLEAN">BOOLEAN</a>, <a href="../controlP5/ControlP5Constants.html#BOTTOM">BOTTOM</a>, <a href="../controlP5/ControlP5Constants.html#BOTTOM_OUTSIDE">BOTTOM_OUTSIDE</a>, <a href="../controlP5/ControlP5Constants.html#CAPTIONLABEL">CAPTIONLABEL</a>, <a href="../controlP5/ControlP5Constants.html#CENTER">CENTER</a>, <a href="../controlP5/ControlP5Constants.html#CHECKBOX">CHECKBOX</a>, <a href="../controlP5/ControlP5Constants.html#COMMANDKEY">COMMANDKEY</a>, <a href="../controlP5/ControlP5Constants.html#CONTROL">CONTROL</a>, <a href="../controlP5/ControlP5Constants.html#controlEventClass">controlEventClass</a>, <a href="../controlP5/ControlP5Constants.html#CUSTOM">CUSTOM</a>, <a href="../controlP5/ControlP5Constants.html#DECREASE">DECREASE</a>, <a href="../controlP5/ControlP5Constants.html#DEFAULT">DEFAULT</a>, <a href="../controlP5/ControlP5Constants.html#DELETE">DELETE</a>, <a href="../controlP5/ControlP5Constants.html#DONE">DONE</a>, <a href="../controlP5/ControlP5Constants.html#DOWN">DOWN</a>, <a 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href="../controlP5/ControlP5Constants.html#HIDE">HIDE</a>, <a href="../controlP5/ControlP5Constants.html#HIGHLIGHT">HIGHLIGHT</a>, <a href="../controlP5/ControlP5Constants.html#HORIZONTAL">HORIZONTAL</a>, <a href="../controlP5/ControlP5Constants.html#IDLE">IDLE</a>, <a href="../controlP5/ControlP5Constants.html#IMAGE">IMAGE</a>, <a href="../controlP5/ControlP5Constants.html#INACTIVE">INACTIVE</a>, <a href="../controlP5/ControlP5Constants.html#INCREASE">INCREASE</a>, <a href="../controlP5/ControlP5Constants.html#INTEGER">INTEGER</a>, <a href="../controlP5/ControlP5Constants.html#INVALID">INVALID</a>, <a href="../controlP5/ControlP5Constants.html#J2D">J2D</a>, <a href="../controlP5/ControlP5Constants.html#KEYCONTROL">KEYCONTROL</a>, <a href="../controlP5/ControlP5Constants.html#LEFT">LEFT</a>, <a href="../controlP5/ControlP5Constants.html#LEFT_OUTSIDE">LEFT_OUTSIDE</a>, <a href="../controlP5/ControlP5Constants.html#LIME">LIME</a>, <a href="../controlP5/ControlP5Constants.html#LINE">LINE</a>, <a href="../controlP5/ControlP5Constants.html#LIST">LIST</a>, <a href="../controlP5/ControlP5Constants.html#LOAD">LOAD</a>, <a href="../controlP5/ControlP5Constants.html#MAROON">MAROON</a>, <a href="../controlP5/ControlP5Constants.html#MENU">MENU</a>, <a href="../controlP5/ControlP5Constants.html#METHOD">METHOD</a>, <a href="../controlP5/ControlP5Constants.html#MOVE">MOVE</a>, <a href="../controlP5/ControlP5Constants.html#MULTI">MULTI</a>, <a href="../controlP5/ControlP5Constants.html#MULTIPLES">MULTIPLES</a>, <a href="../controlP5/ControlP5Constants.html#NAVY">NAVY</a>, <a href="../controlP5/ControlP5Constants.html#OLIVE">OLIVE</a>, <a href="../controlP5/ControlP5Constants.html#ORANGE">ORANGE</a>, <a href="../controlP5/ControlP5Constants.html#OVER">OVER</a>, <a href="../controlP5/ControlP5Constants.html#P2D">P2D</a>, <a href="../controlP5/ControlP5Constants.html#P3D">P3D</a>, <a href="../controlP5/ControlP5Constants.html#PI">PI</a>, <a href="../controlP5/ControlP5Constants.html#PRESSED">PRESSED</a>, <a href="../controlP5/ControlP5Constants.html#PRINT">PRINT</a>, <a href="../controlP5/ControlP5Constants.html#PURPLE">PURPLE</a>, <a href="../controlP5/ControlP5Constants.html#RED">RED</a>, <a href="../controlP5/ControlP5Constants.html#RELEASE">RELEASE</a>, <a href="../controlP5/ControlP5Constants.html#RESET">RESET</a>, <a href="../controlP5/ControlP5Constants.html#RIGHT">RIGHT</a>, <a href="../controlP5/ControlP5Constants.html#RIGHT_OUTSIDE">RIGHT_OUTSIDE</a>, <a href="../controlP5/ControlP5Constants.html#SAVE">SAVE</a>, <a href="../controlP5/ControlP5Constants.html#SHIFT">SHIFT</a>, <a href="../controlP5/ControlP5Constants.html#SILVER">SILVER</a>, <a href="../controlP5/ControlP5Constants.html#SINGLE">SINGLE</a>, <a href="../controlP5/ControlP5Constants.html#SINGLE_COLUMN">SINGLE_COLUMN</a>, <a href="../controlP5/ControlP5Constants.html#SINGLE_ROW">SINGLE_ROW</a>, <a href="../controlP5/ControlP5Constants.html#SPRITE">SPRITE</a>, <a href="../controlP5/ControlP5Constants.html#standard56">standard56</a>, <a href="../controlP5/ControlP5Constants.html#standard58">standard58</a>, <a href="../controlP5/ControlP5Constants.html#STRING">STRING</a>, <a href="../controlP5/ControlP5Constants.html#SWITCH">SWITCH</a>, <a href="../controlP5/ControlP5Constants.html#SWITCH_BACK">SWITCH_BACK</a>, <a href="../controlP5/ControlP5Constants.html#SWITCH_FORE">SWITCH_FORE</a>, <a href="../controlP5/ControlP5Constants.html#synt24">synt24</a>, <a href="../controlP5/ControlP5Constants.html#TAB">TAB</a>, <a href="../controlP5/ControlP5Constants.html#TEAL">TEAL</a>, <a href="../controlP5/ControlP5Constants.html#THEME_A">THEME_A</a>, <a href="../controlP5/ControlP5Constants.html#THEME_CP52014">THEME_CP52014</a>, <a href="../controlP5/ControlP5Constants.html#THEME_CP5BLUE">THEME_CP5BLUE</a>, <a href="../controlP5/ControlP5Constants.html#THEME_RED">THEME_RED</a>, <a href="../controlP5/ControlP5Constants.html#THEME_RETRO">THEME_RETRO</a>, <a href="../controlP5/ControlP5Constants.html#THEME_WHITE">THEME_WHITE</a>, <a href="../controlP5/ControlP5Constants.html#TOP">TOP</a>, <a href="../controlP5/ControlP5Constants.html#TOP_OUTSIDE">TOP_OUTSIDE</a>, <a href="../controlP5/ControlP5Constants.html#TRANSITION_WAIT_FADEIN">TRANSITION_WAIT_FADEIN</a>, <a href="../controlP5/ControlP5Constants.html#TREE">TREE</a>, <a href="../controlP5/ControlP5Constants.html#TWO_PI">TWO_PI</a>, <a href="../controlP5/ControlP5Constants.html#UP">UP</a>, <a href="../controlP5/ControlP5Constants.html#VALUELABEL">VALUELABEL</a>, <a href="../controlP5/ControlP5Constants.html#VERBOSE">VERBOSE</a>, <a href="../controlP5/ControlP5Constants.html#VERTICAL">VERTICAL</a>, <a href="../controlP5/ControlP5Constants.html#WAIT">WAIT</a>, <a href="../controlP5/ControlP5Constants.html#WHITE">WHITE</a>, <a href="../controlP5/ControlP5Constants.html#YELLOW">YELLOW</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../controlP5/Knob.html#Knob(controlP5.ControlP5, controlP5.ControllerGroup, java.lang.String, float, float, float, int, int, int)">Knob</a></strong>(<a href="../controlP5/ControlP5.html" title="class in controlP5">ControlP5</a> theControlP5,
<a href="../controlP5/ControllerGroup.html" title="class in controlP5">ControllerGroup</a><?> theParent,
java.lang.String theName,
float theMin,
float theMax,
float theDefaultValue,
int theX,
int theY,
int theWidth)</code> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../controlP5/Knob.html#Knob(controlP5.ControlP5, java.lang.String)">Knob</a></strong>(<a href="../controlP5/ControlP5.html" title="class in controlP5">ControlP5</a> theControlP5,
java.lang.String theName)</code>
<div class="block">Convenience constructor to extend Knob.</div>
</td>
</tr>
</table>
</li>
</ul>
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<li class="blockList"><a name="method_summary">
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</a>
<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getAngle()">getAngle</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getAngleRange()">getAngleRange</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getDragDirection()">getDragDirection</a></strong>()</code>
<div class="block">Gets the drag direction which is either Controller.HORIZONTAL or Controller.VERTICAL.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getNumberOfTickMarks()">getNumberOfTickMarks</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getRadius()">getRadius</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getResolution()">getResolution</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getStartAngle()">getStartAngle</a></strong>()</code>
<div class="block">get the start angle, 0 is at 3 o'clock.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getTickMarkLength()">getTickMarkLength</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getTickMarkWeight()">getTickMarkWeight</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getValue()">getValue</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#getViewStyle()">getViewStyle</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#hideTickMarks()">hideTickMarks</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#isConstrained()">isConstrained</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#isShowAngleRange()">isShowAngleRange</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#isShowTickMarks()">isShowTickMarks</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#mousePressed()">mousePressed</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#mouseReleasedOutside()">mouseReleasedOutside</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#scrolled(int)">scrolled</a></strong>(int theRotationValue)</code>
<div class="block">Changes the value of the knob when hovering and using the mouse wheel or the scroll function
of a multi-touch track pad.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setAngleRange(float)">setAngleRange</a></strong>(float theRange)</code>
<div class="block">set the range in between which the know operates.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setConstrained(boolean)">setConstrained</a></strong>(boolean theValue)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setDragDirection(int)">setDragDirection</a></strong>(int theValue)</code>
<div class="block">Sets the drag direction, when controlling a knob, parameter is either Controller.HORIZONTAL
or Controller.VERTICAL.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setMax(float)">setMax</a></strong>(float theValue)</code>
<div class="block">sets the maximum value of the Controller.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setMin(float)">setMin</a></strong>(float theValue)</code>
<div class="block">sets the minimum value of the Controller.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setNumberOfTickMarks(int)">setNumberOfTickMarks</a></strong>(int theNumber)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setRadius(float)">setRadius</a></strong>(float theValue)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setRange(float, float)">setRange</a></strong>(float theMin,
float theMax)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setResolution(float)">setResolution</a></strong>(float theValue)</code>
<div class="block">resolution is a sensitivity value when dragging a knob.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setScrollSensitivity(float)">setScrollSensitivity</a></strong>(float theValue)</code>
<div class="block">Sets the sensitivity for the scroll behavior when using the mouse wheel or the scroll
function of a multi-touch track pad.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setShowAngleRange(boolean)">setShowAngleRange</a></strong>(boolean theValue)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setSize(int, int)">setSize</a></strong>(int theWidth,
int theHeight)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setStartAngle(float)">setStartAngle</a></strong>(float theAngle)</code>
<div class="block">The start angle is a value between 0 and TWO_PI.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setTickMarkLength(int)">setTickMarkLength</a></strong>(int theLength)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setTickMarkWeight(float)">setTickMarkWeight</a></strong>(float theWeight)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setValue(float)">setValue</a></strong>(float theValue)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#setViewStyle(int)">setViewStyle</a></strong>(int theStyle)</code>
<div class="block">set the display style of a knob.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#showTickMarks()">showTickMarks</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#shuffle()">shuffle</a></strong>()</code>
<div class="block">Assigns a random value to the controller.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#snapToTickMarks(boolean)">snapToTickMarks</a></strong>(boolean theFlag)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#update()">update</a></strong>()</code>
<div class="block">updates the value of the controller without having to set the value explicitly.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#updateDisplayMode(int)">updateDisplayMode</a></strong>(int theMode)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../controlP5/Knob.html" title="class in controlP5">Knob</a></code></td>
<td class="colLast"><code><strong><a href="../controlP5/Knob.html#updateInternalEvents(processing.core.PApplet)">updateInternalEvents</a></strong>(processing.core.PApplet theApplet)</code>
<div class="block">a method for putting input events like e.g.</div>
</td>
</tr>
</table>
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</a>
<h3>Methods inherited from class controlP5.<a href="../controlP5/Controller.html" title="class in controlP5">Controller</a></h3>
<code><a href="../controlP5/Controller.html#add(controlP5.ControllerInterface)">add</a>, <a href="../controlP5/Controller.html#addCallback(controlP5.CallbackListener)">addCallback</a>, <a href="../controlP5/Controller.html#addListener(controlP5.ControlListener)">addListener</a>, <a href="../controlP5/Controller.html#align(int, int, int, int)">align</a>, <a href="../controlP5/Controller.html#bringToFront()">bringToFront</a>, <a href="../controlP5/Controller.html#bringToFront(controlP5.ControllerInterface)">bringToFront</a>, <a href="../controlP5/Controller.html#changeValue(float)">changeValue</a>, <a href="../controlP5/Controller.html#continuousUpdateEvents()">continuousUpdateEvents</a>, <a href="../controlP5/Controller.html#draw(processing.core.PGraphics)">draw</a>, <a href="../controlP5/Controller.html#getAbsolutePosition()">getAbsolutePosition</a>, <a href="../controlP5/Controller.html#getAddress()">getAddress</a>, <a href="../controlP5/Controller.html#getArrayValue()">getArrayValue</a>, <a href="../controlP5/Controller.html#getArrayValue(int)">getArrayValue</a>, <a href="../controlP5/Controller.html#getBehavior()">getBehavior</a>, <a href="../controlP5/Controller.html#getCaptionLabel()">getCaptionLabel</a>, <a href="../controlP5/Controller.html#getColor()">getColor</a>, <a href="../controlP5/Controller.html#getControllerPlugList()">getControllerPlugList</a>, <a href="../controlP5/Controller.html#getControlWindow()">getControlWindow</a>, <a href="../controlP5/Controller.html#getDecimalPrecision()">getDecimalPrecision</a>, <a href="../controlP5/Controller.html#getDefaultValue()">getDefaultValue</a>, <a href="../controlP5/Controller.html#getHeight()">getHeight</a>, <a href="../controlP5/Controller.html#getId()">getId</a>, <a href="../controlP5/Controller.html#getInfo()">getInfo</a>, <a href="../controlP5/Controller.html#getLabel()">getLabel</a>, <a href="../controlP5/Controller.html#getMax()">getMax</a>, <a href="../controlP5/Controller.html#getMin()">getMin</a>, <a href="../controlP5/Controller.html#getName()">getName</a>, <a href="../controlP5/Controller.html#getParent()">getParent</a>, <a href="../controlP5/Controller.html#getPickingColor()">getPickingColor</a>, <a href="../controlP5/Controller.html#getPointer()">getPointer</a>, <a href="../controlP5/Controller.html#getPosition()">getPosition</a>, <a href="../controlP5/Controller.html#getProperty(java.lang.String)">getProperty</a>, <a href="../controlP5/Controller.html#getProperty(java.lang.String, java.lang.String)">getProperty</a>, <a href="../controlP5/Controller.html#getStringValue()">getStringValue</a>, <a href="../controlP5/Controller.html#getTab()">getTab</a>, <a href="../controlP5/Controller.html#getValueLabel()">getValueLabel</a>, <a href="../controlP5/Controller.html#getView()">getView</a>, <a href="../controlP5/Controller.html#getWidth()">getWidth</a>, <a href="../controlP5/Controller.html#getWindow()">getWindow</a>, <a href="../controlP5/Controller.html#hide()">hide</a>, <a href="../controlP5/Controller.html#init()">init</a>, <a href="../controlP5/Controller.html#isActive()">isActive</a>, <a href="../controlP5/Controller.html#isBroadcast()">isBroadcast</a>, <a href="../controlP5/Controller.html#isInside()">isInside</a>, <a href="../controlP5/Controller.html#isLabelVisible()">isLabelVisible</a>, <a href="../controlP5/Controller.html#isListening()">isListening</a>, <a href="../controlP5/Controller.html#isLock()">isLock</a>, <a href="../controlP5/Controller.html#isMouseOver()">isMouseOver</a>, <a href="../controlP5/Controller.html#isMousePressed()">isMousePressed</a>, <a href="../controlP5/Controller.html#isMoveable()">isMoveable</a>, <a href="../controlP5/Controller.html#isUpdate()">isUpdate</a>, <a href="../controlP5/Controller.html#isUserInteraction()">isUserInteraction</a>, <a href="../controlP5/Controller.html#isVisible()">isVisible</a>, <a href="../controlP5/Controller.html#keyEvent(processing.event.KeyEvent)">keyEvent</a>, <a href="../controlP5/Controller.html#linebreak()">linebreak</a>, <a href="../controlP5/Controller.html#listen(boolean)">listen</a>, <a href="../controlP5/Controller.html#listenerSize()">listenerSize</a>, <a href="../controlP5/Controller.html#lock()">lock</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.ControlGroup)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.ControllerGroup)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.ControllerGroup, controlP5.Tab, controlP5.ControlWindow)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.ControlWindow)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.ControlWindow, java.lang.String)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(processing.core.PApplet)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(processing.core.PApplet, java.lang.String)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(java.lang.String)">moveTo</a>, <a href="../controlP5/Controller.html#moveTo(controlP5.Tab)">moveTo</a>, <a href="../controlP5/Controller.html#plugTo(java.lang.Object)">plugTo</a>, <a href="../controlP5/Controller.html#plugTo(java.lang.Object[])">plugTo</a>, <a href="../controlP5/Controller.html#plugTo(java.lang.Object[], java.lang.String)">plugTo</a>, <a href="../controlP5/Controller.html#plugTo(java.lang.Object, java.lang.String)">plugTo</a>, <a href="../controlP5/Controller.html#registerProperty(java.lang.String)">registerProperty</a>, <a href="../controlP5/Controller.html#registerProperty(java.lang.String, java.lang.String)">registerProperty</a>, <a href="../controlP5/Controller.html#registerTooltip(java.lang.String)">registerTooltip</a>, <a href="../controlP5/Controller.html#remove()">remove</a>, <a href="../controlP5/Controller.html#remove(controlP5.ControllerInterface)">remove</a>, <a href="../controlP5/Controller.html#removeBehavior()">removeBehavior</a>, <a href="../controlP5/Controller.html#removeCallback()">removeCallback</a>, <a href="../controlP5/Controller.html#removeCallback(controlP5.CallbackListener)">removeCallback</a>, <a href="../controlP5/Controller.html#removeListener(controlP5.ControlListener)">removeListener</a>, <a href="../controlP5/Controller.html#removeProperty(java.lang.String)">removeProperty</a>, <a href="../controlP5/Controller.html#removeProperty(java.lang.String, java.lang.String)">removeProperty</a>, <a href="../controlP5/Controller.html#setAbsolutePosition(processing.core.PVector)">setAbsolutePosition</a>, <a href="../controlP5/Controller.html#setAddress(java.lang.String)">setAddress</a>, <a href="../controlP5/Controller.html#setArrayValue(float[])">setArrayValue</a>, <a href="../controlP5/Controller.html#setArrayValue(int, float)">setArrayValue</a>, <a href="../controlP5/Controller.html#setBehavior(controlP5.ControlBehavior)">setBehavior</a>, <a href="../controlP5/Controller.html#setBroadcast(boolean)">setBroadcast</a>, <a href="../controlP5/Controller.html#setCaptionLabel(java.lang.String)">setCaptionLabel</a>, <a href="../controlP5/Controller.html#setColor(controlP5.CColor)">setColor</a>, <a href="../controlP5/Controller.html#setColorActive(int)">setColorActive</a>, <a href="../controlP5/Controller.html#setColorBackground(int)">setColorBackground</a>, <a href="../controlP5/Controller.html#setColorCaptionLabel(int)">setColorCaptionLabel</a>, <a href="../controlP5/Controller.html#setColorForeground(int)">setColorForeground</a>, <a href="../controlP5/Controller.html#setColorValueLabel(int)">setColorValueLabel</a>, <a href="../controlP5/Controller.html#setDecimalPrecision(int)">setDecimalPrecision</a>, <a href="../controlP5/Controller.html#setDefaultValue(float)">setDefaultValue</a>, <a href="../controlP5/Controller.html#setGroup(controlP5.ControllerGroup)">setGroup</a>, <a href="../controlP5/Controller.html#setGroup(java.lang.String)">setGroup</a>, <a href="../controlP5/Controller.html#setHeight(int)">setHeight</a>, <a href="../controlP5/Controller.html#setId(int)">setId</a>, <a href="../controlP5/Controller.html#setImage(processing.core.PImage)">setImage</a>, <a href="../controlP5/Controller.html#setImage(processing.core.PImage, int)">setImage</a>, <a href="../controlP5/Controller.html#setImages(processing.core.PImage...)">setImages</a>, <a href="../controlP5/Controller.html#setImages(processing.core.PImage, processing.core.PImage, processing.core.PImage)">setImages</a>, <a href="../controlP5/Controller.html#setImages(processing.core.PImage, processing.core.PImage, processing.core.PImage, processing.core.PImage)">setImages</a>, <a href="../controlP5/Controller.html#setLabelVisible(boolean)">setLabelVisible</a>, <a href="../controlP5/Controller.html#setLock(boolean)">setLock</a>, <a href="../controlP5/Controller.html#setMouseOver(boolean)">setMouseOver</a>, <a href="../controlP5/Controller.html#setMousePressed(boolean)">setMousePressed</a>, <a href="../controlP5/Controller.html#setMoveable(boolean)">setMoveable</a>, <a href="../controlP5/Controller.html#setParent(controlP5.ControllerInterface)">setParent</a>, <a href="../controlP5/Controller.html#setPosition(float, float)">setPosition</a>, <a href="../controlP5/Controller.html#setPosition(processing.core.PVector)">setPosition</a>, <a href="../controlP5/Controller.html#setSize(processing.core.PImage)">setSize</a>, <a href="../controlP5/Controller.html#setStringValue(java.lang.String)">setStringValue</a>, <a href="../controlP5/Controller.html#setTab(controlP5.ControlWindow, java.lang.String)">setTab</a>, <a href="../controlP5/Controller.html#setTab(java.lang.String)">setTab</a>, <a href="../controlP5/Controller.html#setUpdate(boolean)">setUpdate</a>, <a href="../controlP5/Controller.html#setUserInteraction(boolean)">setUserInteraction</a>, <a href="../controlP5/Controller.html#setValueLabel(java.lang.String)">setValueLabel</a>, <a href="../controlP5/Controller.html#setValueSelf(float)">setValueSelf</a>, <a href="../controlP5/Controller.html#setView(controlP5.ControllerView)">setView</a>, <a href="../controlP5/Controller.html#setView(controlP5.ControllerView, int)">setView</a>, <a href="../controlP5/Controller.html#setVisible(boolean)">setVisible</a>, <a href="../controlP5/Controller.html#setWidth(int)">setWidth</a>, <a href="../controlP5/Controller.html#show()">show</a>, <a href="../controlP5/Controller.html#toString()">toString</a>, <a href="../controlP5/Controller.html#unlock()">unlock</a>, <a href="../controlP5/Controller.html#unplugFrom(java.lang.Object)">unplugFrom</a>, <a href="../controlP5/Controller.html#unplugFrom(java.lang.Object[])">unplugFrom</a>, <a href="../controlP5/Controller.html#unregisterTooltip()">unregisterTooltip</a>, <a href="../controlP5/Controller.html#updateAbsolutePosition()">updateAbsolutePosition</a>, <a href="../controlP5/Controller.html#updateEvents()">updateEvents</a>, <a href="../controlP5/Controller.html#updateSize()">updateSize</a></code></li>
</ul>
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</a>
<h3>Methods inherited from class java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Methods inherited from interface controlP5.<a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a></h3>
<code><a href="../controlP5/ControllerInterface.html#parent()">parent</a>, <a href="../controlP5/ControllerInterface.html#setColorLabel(int)">setColorLabel</a>, <a href="../controlP5/ControllerInterface.html#setColorValue(int)">setColorValue</a>, <a href="../controlP5/ControllerInterface.html#setLabel(java.lang.String)">setLabel</a></code></li>
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<pre>public static int autoHeight</pre>
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<pre>public static int autoWidth</pre>
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<h4>Knob</h4>
<pre>public Knob(<a href="../controlP5/ControlP5.html" title="class in controlP5">ControlP5</a> theControlP5,
<a href="../controlP5/ControllerGroup.html" title="class in controlP5">ControllerGroup</a><?> theParent,
java.lang.String theName,
float theMin,
float theMax,
float theDefaultValue,
int theX,
int theY,
int theWidth)</pre>
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<h4>Knob</h4>
<pre>public Knob(<a href="../controlP5/ControlP5.html" title="class in controlP5">ControlP5</a> theControlP5,
java.lang.String theName)</pre>
<div class="block">Convenience constructor to extend Knob.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theControlP5</code> - </dd><dd><code>theName</code> - </dd><script type="text/javascript">
<!--
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</script>
<div id="test" class="toggleList"><dl><dt onclick="toggle(this);"><span>+</span>Example</dt><dd><code><pre>/**
* ControlP5 extending Controllers
*
* the following example shows how to extend the Controller class to
* create customizable Controllers. You can either extend the Controller class itself,
* or any class that extends Controller itself like the Slider, Button, DropdownList, etc.
*
* How to:
*
* 1) do a super call to the convenience constructor requiring
* 2 parameter (ControlP5 instance, name)
*
* 2) the Controller class has a set of empty methods that allow you to capture
* inputs from the mouse including
* onEnter(), onLeave(), onPress(), onRelease(), onClick(), onScroll(int), onDrag()
* These you can override and include functionality as needed.
*
* 3) use method getPointer() to return the local (relative)
* xy-coordinates of the controller
*
* 4) after instantiation custom controllers are treated the same
* as default controlP5 controllers.
*
* by Andreas Schlegel, 2012
* www.sojamo.de/libraries/controlp5
*
*/
import controlP5.*;
ControlP5 cp5;
PApplet p;
void setup() {
size(400, 400);
cp5 = new ControlP5(this);
// create 2 groups to show nesting of custom controllers and
//
Group g1 = cp5.addGroup("a").setPosition(0,100).setWidth(180);
Group g2 = cp5.addGroup("b").setPosition(0,10).setWidth(180);
g2.moveTo(g1);
// create 2 custom Controllers from class MyButton
// MyButton extends Controller and inherits all methods accordingly.
new MyButton(cp5, "b1").setPosition(0, 0).setSize(180, 200).moveTo(g2);
new MyButton(cp5, "b2").setPosition(205, 15).setSize(180, 200);
}
void draw() {
background(0);
}
// b1 will be called from Controller b1
public void b1(float theValue) {
println("yay button "+theValue);
}
public void controlEvent(ControlEvent theEvent) {
println("controlEvent : "+theEvent);
}
// Create a custom Controller, please not that
// MyButton extends Controller<MyButton>, <MyButton>
// is an indicator for the super class about the type of
// custom controller to be created.
class MyButton extends Controller<MyButton> {
int current = 0xffff0000;
float a = 128;
float na;
int y;
// use the convenience constructor of super class Controller
// MyButton will automatically registered and move to the
// default controlP5 tab.
MyButton(ControlP5 cp5, String theName) {
super(cp5, theName);
// replace the default view with a custom view.
setView(new ControllerView() {
public void display(PApplet p, Object b) {
// draw button background
na += (a-na) * 0.1;
p.fill(current,na);
p.rect(0, 0, getWidth(), getHeight());
// draw horizontal line which can be moved on the x-axis
// using the scroll wheel.
p.fill(0,255,0);
p.rect(0,y,width,10);
// draw the custom label
p.fill(128);
translate(0,getHeight()+14);
p.text(getName(),0,0);
p.text(getName(),0,0);
}
}
);
}
// override various input methods for mouse input control
void onEnter() {
cursor(HAND);
println("enter");
a = 255;
}
void onScroll(int n) {
println("scrolling");
y -= n;
y = constrain(y,0,getHeight()-10);
}
void onPress() {
println("press");
current = 0xffffff00;
}
void onClick() {
Pointer p1 = getPointer();
println("clicked at "+p1.x()+", "+p1.y());
current = 0xffffff00;
setValue(y);
}
void onRelease() {
println("release");
current = 0xffffffff;
}
void onMove() {
println("moving "+this+" "+_myControlWindow.getMouseOverList());
}
void onDrag() {
current = 0xff0000ff;
Pointer p1 = getPointer();
float dif = dist(p1.px(),p1.py(),p1.x(),p1.y());
println("dragging at "+p1.x()+", "+p1.y()+" "+dif);
}
void onReleaseOutside() {
onLeave();
}
void onLeave() {
println("leave");
cursor(ARROW);
a = 128;
}
}
</pre></code></dd></dl></div></dl>
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<pre>public int getDragDirection()</pre>
<div class="block">Gets the drag direction which is either Controller.HORIZONTAL or Controller.VERTICAL.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>int returns Controller.HORIZONTAL or Controller.VERTICAL</dd></dl>
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<div class="block">get the start angle, 0 is at 3 o'clock.</div>
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<pre>public float getTickMarkWeight()</pre>
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<h4>getValue</h4>
<pre>public float getValue()</pre>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../controlP5/ControllerInterface.html#getValue()">getValue</a></code> in interface <code><a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#getValue()">getValue</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>float</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../controlP5/Controller.html#getStringValue()"><code>Controller.getStringValue()</code></a>,
<a href="../controlP5/Controller.html#getArrayValue()"><code>Controller.getArrayValue()</code></a></dd></dl>
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<h4>getViewStyle</h4>
<pre>public int getViewStyle()</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> hideTickMarks()</pre>
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<pre>public boolean isConstrained()</pre>
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<pre>public boolean isShowAngleRange()</pre>
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<pre>public boolean isShowTickMarks()</pre>
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<pre>public void mousePressed()</pre>
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<pre>public void mouseReleasedOutside()</pre>
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<h4>scrolled</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> scrolled(int theRotationValue)</pre>
<div class="block">Changes the value of the knob when hovering and using the mouse wheel or the scroll function
of a multi-touch track pad.</div>
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<h4>setAngleRange</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setAngleRange(float theRange)</pre>
<div class="block">set the range in between which the know operates. By default the range is PI + HALF_PI</div>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setConstrained(boolean theValue)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setDragDirection(int theValue)</pre>
<div class="block">Sets the drag direction, when controlling a knob, parameter is either Controller.HORIZONTAL
or Controller.VERTICAL.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theValue</code> - must be Controller.HORIZONTAL or Controller.VERTICAL</dd>
<dt><span class="strong">Returns:</span></dt><dd>Knob</dd></dl>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setMax(float theValue)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../controlP5/Controller.html#setMax(float)">Controller</a></code></strong></div>
<div class="block">sets the maximum value of the Controller.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#setMax(float)">setMax</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>theValue</code> - float</dd>
<dt><span class="strong">Returns:</span></dt><dd>Controller</dd></dl>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setMin(float theValue)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../controlP5/Controller.html#setMin(float)">Controller</a></code></strong></div>
<div class="block">sets the minimum value of the Controller.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#setMin(float)">setMin</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>theValue</code> - float</dd>
<dt><span class="strong">Returns:</span></dt><dd>Controller</dd></dl>
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<h4>setNumberOfTickMarks</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setNumberOfTickMarks(int theNumber)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setRadius(float theValue)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setRange(float theMin,
float theMax)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setResolution(float theValue)</pre>
<div class="block">resolution is a sensitivity value when dragging a knob. the higher the value, the more
sensitive the dragging.</div>
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<h4>setScrollSensitivity</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setScrollSensitivity(float theValue)</pre>
<div class="block">Sets the sensitivity for the scroll behavior when using the mouse wheel or the scroll
function of a multi-touch track pad. The smaller the value (closer to 0) the higher the
sensitivity.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theValue</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>Knob</dd></dl>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setShowAngleRange(boolean theValue)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setSize(int theWidth,
int theHeight)</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#setSize(int, int)">setSize</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>Controller</dd></dl>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setStartAngle(float theAngle)</pre>
<div class="block">The start angle is a value between 0 and TWO_PI. By default the start angle is set to HALF_PI
+ PI * 0.25f</div>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setTickMarkLength(int theLength)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setTickMarkWeight(float theWeight)</pre>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setValue(float theValue)</pre>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../controlP5/ControllerInterface.html#setValue(float)">setValue</a></code> in interface <code><a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#setValue(float)">setValue</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>theValue</code> - float</dd></dl>
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<h4>setViewStyle</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> setViewStyle(int theStyle)</pre>
<div class="block">set the display style of a knob. takes parameters Knob.LINE, Knob.ELLIPSE or Knob.ARC.
default style is Knob.LINE</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>theStyle</code> - use Knob.LINE, Knob.ELLIPSE or Knob.ARC</dd>
<dt><span class="strong">Returns:</span></dt><dd>Knob</dd></dl>
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<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> showTickMarks()</pre>
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<h4>shuffle</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> shuffle()</pre>
<div class="block">Assigns a random value to the controller.</div>
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<h4>snapToTickMarks</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> snapToTickMarks(boolean theFlag)</pre>
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<h4>update</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> update()</pre>
<div class="block"><strong>Description copied from class: <code><a href="../controlP5/Controller.html#update()">Controller</a></code></strong></div>
<div class="block">updates the value of the controller without having to set the value explicitly. update does
not visually update the controller. the updating status can be set with setUpdate(true/false)
and checked with isUpdate().</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../controlP5/ControllerInterface.html#update()">update</a></code> in interface <code><a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#update()">update</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>Controller</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../controlP5/Controller.html#setUpdate(boolean)"><code>Controller.setUpdate(boolean)</code></a>,
<a href="../controlP5/Controller.html#isUpdate()"><code>Controller.isUpdate()</code></a></dd></dl>
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<h4>updateDisplayMode</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> updateDisplayMode(int theMode)</pre>
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<h4>updateInternalEvents</h4>
<pre>public <a href="../controlP5/Knob.html" title="class in controlP5">Knob</a> updateInternalEvents(processing.core.PApplet theApplet)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../controlP5/ControllerInterface.html#updateInternalEvents(processing.core.PApplet)">ControllerInterface</a></code></strong></div>
<div class="block">a method for putting input events like e.g. mouse or keyboard events and queries. this has
been taken out of the draw method for better overwriting capability.</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../controlP5/ControllerInterface.html#updateInternalEvents(processing.core.PApplet)">updateInternalEvents</a></code> in interface <code><a href="../controlP5/ControllerInterface.html" title="interface in controlP5">ControllerInterface</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../controlP5/Controller.html#updateInternalEvents(processing.core.PApplet)">updateInternalEvents</a></code> in class <code><a href="../controlP5/Controller.html" title="class in controlP5">Controller</a><<a href="../controlP5/Knob.html" title="class in controlP5">Knob</a>></code></dd>
<dt><span class="strong">See Also:</span></dt><dd><code>ControllerInterface.updateInternalEvents</code></dd></dl>
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<p class="legalCopy"><small>processing library controlP5 by Andreas Schlegel. (c) 2006-2014</small></p>
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