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<div class="subTitle">com.badlogic.gdx.input
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<h2 title="Class GestureDetector" class="title">Class GestureDetector
</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object
</li>
<li>
<ul class="inheritance">
<li><a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">com.badlogic.gdx.InputAdapter
</a></li>
<li>
<ul class="inheritance">
<li>com.badlogic.gdx.input.GestureDetector
</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
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<dl>
<dt>All Implemented Interfaces:
</dt>
<dd><a href="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx">InputProcessor
</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:
</dt>
<dd><a href="../../../../com/badlogic/gdx/graphics/g3d/utils/CameraInputController.html" title="class in com.badlogic.gdx.graphics.g3d.utils">CameraInputController
</a></dd>
</dl>
<hr>
<br>
<pre>public class
<span class="strong">GestureDetector
</span>
extends
<a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</a></pre>
<div class="block"><a href="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx"><code>InputProcessor
</code></a> implementation that detects gestures (tap, long press, fling, pan, zoom, pinch) and hands them to a
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><code>GestureDetector.GestureListener
</code></a>.
</div>
<dl><dt><span class="strong">Author:
</span></dt>
<dd>mzechner
</dd></dl>
</li>
</ul>
</div>
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<caption><span>Nested Classes
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type
</th>
<th class="colLast" scope="col">Class and Description
</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureAdapter.html" title="class in com.badlogic.gdx.input">GestureDetector.GestureAdapter
</a></strong></code>
<div class="block">Derrive from this if you only want to implement a subset of
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><code>GestureDetector.GestureListener
</code></a>.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static interface
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</a></strong></code>
<div class="block">Register an instance of this class with a
<a href="../../../../com/badlogic/gdx/input/GestureDetector.html" title="class in com.badlogic.gdx.input"><code>GestureDetector
</code></a> to receive gestures such as taps, long presses, flings,
panning or pinch zooming.
</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Constructor Summary
</h3>
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<caption><span>Constructors
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description
</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#GestureDetector(float, float, float, float, com.badlogic.gdx.input.GestureDetector.GestureListener)">GestureDetector
</a></strong>(float
halfTapSquareSize,
float
tapCountInterval,
float
longPressDuration,
float
maxFlingDelay,
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</a> listener)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#GestureDetector(com.badlogic.gdx.input.GestureDetector.GestureListener)">GestureDetector
</a></strong>(
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</a> listener)
</code>
<div class="block">Creates a new GestureDetector with default values: halfTapSquareSize=20, tapCountInterval=0.4f, longPressDuration=1.1f,
maxFlingDelay=0.15f.
</div>
</td>
</tr>
</table>
</li>
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</h3>
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<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>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#cancel()">cancel
</a></strong>()
</code>
<div class="block">No further gesture events will be triggered for the current touch, if any.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#invalidateTapSquare()">invalidateTapSquare
</a></strong>()
</code>
<div class="block">The tap square will not longer be used for the current touch.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#isLongPressed()">isLongPressed
</a></strong>()
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#isLongPressed(float)">isLongPressed
</a></strong>(float
duration)
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#isPanning()">isPanning
</a></strong>()
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#reset()">reset
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#setLongPressSeconds(float)">setLongPressSeconds
</a></strong>(float
longPressSeconds)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#setMaxFlingDelay(long)">setMaxFlingDelay
</a></strong>(long
maxFlingDelay)
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#setTapCountInterval(float)">setTapCountInterval
</a></strong>(float
tapCountInterval)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#setTapSquareSize(int)">setTapSquareSize
</a></strong>(int
tapSquareSize)
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDown(float, float, int, int)">touchDown
</a></strong>(float
x,
float
y,
int
pointer,
int
button)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDown(int, int, int, int)">touchDown
</a></strong>(int
x,
int
y,
int
pointer,
int
button)
</code>
<div class="block">Called when the screen was touched or a mouse button was pressed.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDragged(float, float, int)">touchDragged
</a></strong>(float
x,
float
y,
int
pointer)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDragged(int, int, int)">touchDragged
</a></strong>(int
x,
int
y,
int
pointer)
</code>
<div class="block">Called when a finger or the mouse was dragged.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchUp(float, float, int, int)">touchUp
</a></strong>(float
x,
float
y,
int
pointer,
int
button)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.html#touchUp(int, int, int, int)">touchUp
</a></strong>(int
x,
int
y,
int
pointer,
int
button)
</code>
<div class="block">Called when a finger was lifted or a mouse button was released.
</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class
com.badlogic.gdx.
<a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</a></h3>
<code><a href="../../../../com/badlogic/gdx/InputAdapter.html#keyDown(int)">keyDown
</a>,
<a href="../../../../com/badlogic/gdx/InputAdapter.html#keyTyped(char)">keyTyped
</a>,
<a href="../../../../com/badlogic/gdx/InputAdapter.html#keyUp(int)">keyUp
</a>,
<a href="../../../../com/badlogic/gdx/InputAdapter.html#mouseMoved(int, int)">mouseMoved
</a>,
<a href="../../../../com/badlogic/gdx/InputAdapter.html#scrolled(int)">scrolled
</a></code></li>
</ul>
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<h3>Methods inherited from class
java.lang.Object
</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
</code></li>
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</li>
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</li>
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<h4>GestureDetector
</h4>
<pre>public
GestureDetector(
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</a> listener)
</pre>
<div class="block">Creates a new GestureDetector with default values: halfTapSquareSize=20, tapCountInterval=0.4f, longPressDuration=1.1f,
maxFlingDelay=0.15f.
</div>
</li>
</ul>
<a name="GestureDetector(float, float, float, float, com.badlogic.gdx.input.GestureDetector.GestureListener)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>GestureDetector
</h4>
<pre>public
GestureDetector(float
halfTapSquareSize,
float
tapCountInterval,
float
longPressDuration,
float
maxFlingDelay,
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</a> listener)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>halfTapSquareSize
</code> - half width in pixels of the square around an initial touch event, see
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#tap(float, float, int, int)"><code>GestureDetector.GestureListener.tap(float, float, int, int)
</code></a>.
</dd><dd><code>tapCountInterval
</code> - time in seconds that must pass for two touch down/up sequences to be detected as consecutive taps.
</dd><dd><code>longPressDuration
</code> - time in seconds that must pass for the detector to fire a
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#longPress(float, float)"><code>GestureDetector.GestureListener.longPress(float, float)
</code></a> event.
</dd><dd><code>maxFlingDelay
</code> - time in seconds the finger must have been dragged for a fling event to be fired, see
<a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#fling(float, float, int)"><code>GestureDetector.GestureListener.fling(float, float, int)
</code></a></dd><dd><code>listener
</code> - May be null if the listener will be set later.
</dd></dl>
</li>
</ul>
</li>
</ul>
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</h3>
<a name="touchDown(int, int, int, int)">
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<ul class="blockList">
<li class="blockList">
<h4>touchDown
</h4>
<pre>public
boolean
touchDown(int
x,
int
y,
int
pointer,
int
button)
</pre>
<div class="block"><strong>Description copied from interface:
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchDown(int, int, int, int)">InputProcessor
</a></code></strong></div>
<div class="block">Called when the screen was touched or a mouse button was pressed. The button parameter will be
<a href="../../../../com/badlogic/gdx/Input.Buttons.html#LEFT"><code>Input.Buttons.LEFT
</code></a> on
Android.
</div>
<dl>
<dt><strong>Specified by:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchDown(int, int, int, int)">touchDown
</a></code> in interface
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx">InputProcessor
</a></code></dd>
<dt><strong>Overrides:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputAdapter.html#touchDown(int, int, int, int)">touchDown
</a></code> in class
<code><a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</a></code></dd>
<dt><span class="strong">Parameters:
</span></dt><dd><code>x
</code> - The x coordinate, origin is in the upper left corner
</dd><dd><code>y
</code> - The y coordinate, origin is in the upper left corner
</dd><dd><code>pointer
</code> - the pointer for the event.
</dd><dd><code>button
</code> - the button
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>whether the input was processed
</dd></dl>
</li>
</ul>
<a name="touchDown(float, float, int, int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>touchDown
</h4>
<pre>public
boolean
touchDown(float
x,
float
y,
int
pointer,
int
button)
</pre>
</li>
</ul>
<a name="touchDragged(int, int, int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>touchDragged
</h4>
<pre>public
boolean
touchDragged(int
x,
int
y,
int
pointer)
</pre>
<div class="block"><strong>Description copied from interface:
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchDragged(int, int, int)">InputProcessor
</a></code></strong></div>
<div class="block">Called when a finger or the mouse was dragged.
</div>
<dl>
<dt><strong>Specified by:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchDragged(int, int, int)">touchDragged
</a></code> in interface
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx">InputProcessor
</a></code></dd>
<dt><strong>Overrides:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputAdapter.html#touchDragged(int, int, int)">touchDragged
</a></code> in class
<code><a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</a></code></dd>
<dd><code>pointer
</code> - the pointer for the event.
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>whether the input was processed
</dd></dl>
</li>
</ul>
<a name="touchDragged(float, float, int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>touchDragged
</h4>
<pre>public
boolean
touchDragged(float
x,
float
y,
int
pointer)
</pre>
</li>
</ul>
<a name="touchUp(int, int, int, int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>touchUp
</h4>
<pre>public
boolean
touchUp(int
x,
int
y,
int
pointer,
int
button)
</pre>
<div class="block"><strong>Description copied from interface:
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchUp(int, int, int, int)">InputProcessor
</a></code></strong></div>
<div class="block">Called when a finger was lifted or a mouse button was released. The button parameter will be
<a href="../../../../com/badlogic/gdx/Input.Buttons.html#LEFT"><code>Input.Buttons.LEFT
</code></a> on
Android.
</div>
<dl>
<dt><strong>Specified by:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchUp(int, int, int, int)">touchUp
</a></code> in interface
<code><a href="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx">InputProcessor
</a></code></dd>
<dt><strong>Overrides:
</strong></dt>
<dd><code><a href="../../../../com/badlogic/gdx/InputAdapter.html#touchUp(int, int, int, int)">touchUp
</a></code> in class
<code><a href="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</a></code></dd>
<dd><code>pointer
</code> - the pointer for the event.
</dd><dd><code>button
</code> - the button
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>whether the input was processed
</dd></dl>
</li>
</ul>
<a name="touchUp(float, float, int, int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>touchUp
</h4>
<pre>public
boolean
touchUp(float
x,
float
y,
int
pointer,
int
button)
</pre>
</li>
</ul>
<a name="cancel()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>cancel
</h4>
<pre>public
void
cancel()
</pre>
<div class="block">No further gesture events will be triggered for the current touch, if any.
</div>
</li>
</ul>
<a name="isLongPressed()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>isLongPressed
</h4>
<pre>public
boolean
isLongPressed()
</pre>
<dl><dt><span class="strong">Returns:
</span></dt><dd>whether the user touched the screen long enough to trigger a long press event.
</dd></dl>
</li>
</ul>
<a name="isLongPressed(float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>isLongPressed
</h4>
<pre>public
boolean
isLongPressed(float
duration)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>duration
</code> -
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>whether the user touched the screen for as much or more than the given duration.
</dd></dl>
</li>
</ul>
<a name="isPanning()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>isPanning
</h4>
<pre>public
boolean
isPanning()
</pre>
</li>
</ul>
<a name="reset()">
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</a>
<ul class="blockList">
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<h4>reset
</h4>
<pre>public
void
reset()
</pre>
</li>
</ul>
<a name="invalidateTapSquare()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>invalidateTapSquare
</h4>
<pre>public
void
invalidateTapSquare()
</pre>
<div class="block">The tap square will not longer be used for the current touch.
</div>
</li>
</ul>
<a name="setTapSquareSize(int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setTapSquareSize
</h4>
<pre>public
void
setTapSquareSize(int
tapSquareSize)
</pre>
</li>
</ul>
<a name="setTapCountInterval(float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setTapCountInterval
</h4>
<pre>public
void
setTapCountInterval(float
tapCountInterval)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>tapCountInterval
</code> - time in seconds that must pass for two touch down/up sequences to be detected as consecutive taps.
</dd></dl>
</li>
</ul>
<a name="setLongPressSeconds(float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setLongPressSeconds
</h4>
<pre>public
void
setLongPressSeconds(float
longPressSeconds)
</pre>
</li>
</ul>
<a name="setMaxFlingDelay(long)">
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</a>
<ul class="blockListLast">
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<h4>setMaxFlingDelay
</h4>
<pre>public
void
setMaxFlingDelay(long
maxFlingDelay)
</pre>
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