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GestureDetector (libgdx API)
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com.badlogic.gdx.input
</FONT>
<BR>
Class GestureDetector
</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">com.badlogic.gdx.InputAdapter
</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.input.GestureDetector
</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:
</B> <DD><A HREF="../../../../com/badlogic/gdx/InputProcessor.html" title="interface in com.badlogic.gdx">InputProcessor
</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class
<B>GestureDetector
</B><DT>extends
<A HREF="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</A></DL>
</PRE>
<P>
<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>.
<P>
<P>
<DL>
<DT><B>Author:
</B></DT>
<DD>mzechner
</DD>
</DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
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</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
class
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureAdapter.html" title="class in com.badlogic.gdx.input">GestureDetector.GestureAdapter
</A></B></CODE>
<BR>
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>.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
interface
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</A></B></CODE>
<BR>
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.
</TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#GestureDetector(com.badlogic.gdx.input.GestureDetector.GestureListener)">GestureDetector
</A></B>(
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</A> listener)
</CODE>
<BR>
Creates a new GestureDetector that will pass on all gestures
to the specified
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><CODE>GestureDetector.GestureListener
</CODE></A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#GestureDetector(int, float, float, float, com.badlogic.gdx.input.GestureDetector.GestureListener)">GestureDetector
</A></B>(int
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>
<BR>
Creates a new GestureDetector that will pass on all gestures
to the specified
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><CODE>GestureDetector.GestureListener
</CODE></A></TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#isLongPressed()">isLongPressed
</A></B>()
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#isLongPressed(float)">isLongPressed
</A></B>(float
duration)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#isPanning()">isPanning
</A></B>()
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#reset()">reset
</A></B>()
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDown(int, int, int, int)">touchDown
</A></B>(int
x,
int
y,
int
pointer,
int
button)
</CODE>
<BR>
Called when the screen was touched or a mouse button was pressed.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#touchDragged(int, int, int)">touchDragged
</A></B>(int
x,
int
y,
int
pointer)
</CODE>
<BR>
Called when a finger or the mouse was dragged.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/input/GestureDetector.html#touchUp(int, int, int, int)">touchUp
</A></B>(int
x,
int
y,
int
pointer,
int
button)
</CODE>
<BR>
Called when a finger was lifted or a mouse button was released.
</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.badlogic.gdx.InputAdapter"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.badlogic.gdx.
<A HREF="../../../../com/badlogic/gdx/InputAdapter.html" title="class in com.badlogic.gdx">InputAdapter
</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><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#scrolled(int)">scrolled
</A>,
<A HREF="../../../../com/badlogic/gdx/InputAdapter.html#touchMoved(int, int)">touchMoved
</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object
</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail
</B></FONT></TH>
</TR>
</TABLE>
<A NAME="GestureDetector(com.badlogic.gdx.input.GestureDetector.GestureListener)"><!-- --></A><H3>
GestureDetector
</H3>
<PRE>
public
<B>GestureDetector
</B>(
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input">GestureDetector.GestureListener
</A> listener)
</PRE>
<DL>
<DD>Creates a new GestureDetector that will pass on all gestures
to the specified
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><CODE>GestureDetector.GestureListener
</CODE></A>
<P>
<DL>
<DT><B>Parameters:
</B><DD><CODE>listener
</CODE> -
</DL>
</DL>
<HR>
<A NAME="GestureDetector(int, float, float, float, com.badlogic.gdx.input.GestureDetector.GestureListener)"><!-- --></A><H3>
GestureDetector
</H3>
<PRE>
public
<B>GestureDetector
</B>(int
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>
<DD>Creates a new GestureDetector that will pass on all gestures
to the specified
<A HREF="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html" title="interface in com.badlogic.gdx.input"><CODE>GestureDetector.GestureListener
</CODE></A>
<P>
<DL>
<DT><B>Parameters:
</B><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(int, int, int)"><CODE>GestureDetector.GestureListener.tap(int, int, int)
</CODE></A><DD><CODE>tapCountInterval
</CODE> - time in seconds that must pass for two touch down/up sequences to be detected as consecutive taps.
<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(int, int)"><CODE>GestureDetector.GestureListener.longPress(int, int)
</CODE></A> event.
<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)"><CODE>GestureDetector.GestureListener.fling(float, float)
</CODE></A><DD><CODE>listener
</CODE> -
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail
</B></FONT></TH>
</TR>
</TABLE>
<A NAME="touchDown(int, int, int, int)"><!-- --></A><H3>
touchDown
</H3>
<PRE>
public boolean
<B>touchDown
</B>(int
x,
int
y,
int
pointer,
int
button)
</PRE>
<DL>
<DD><B>Description copied from interface:
<CODE><A HREF="../../../../com/badlogic/gdx/InputProcessor.html#touchDown(int, int, int, int)">InputProcessor
</A></CODE></B></DD>
<DD>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.
<P>
<DD><DL>
<DT><B>Specified by:
</B><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><DT><B>Overrides:
</B><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></DL>
</DD>
<DD><DL>
<DT><B>Parameters:
</B><DD><CODE>x
</CODE> - The x coordinate, origin is in the upper left corner
<DD><CODE>y
</CODE> - The y coordinate, origin is in the upper left corner
<DD><CODE>pointer
</CODE> - the pointer for the event.
<DD><CODE>button
</CODE> - the button
<DT><B>Returns:
</B><DD>whether the input was processed
</DL>
</DD>
</DL>
<HR>
<A NAME="touchDragged(int, int, int)"><!-- --></A><H3>
touchDragged
</H3>
<PRE>
public boolean
<B>touchDragged
</B>(int
x,
int
y,
int
pointer)
</PRE>
<DL>
<DD><B>Description copied from interface:
<CODE><A HREF="../../../../com/badlogic/gdx/InputProcessor.html#touchDragged(int, int, int)">InputProcessor
</A></CODE></B></DD>
<DD>Called when a finger or the mouse was dragged.
<P>
<DD><DL>
<DT><B>Specified by:
</B><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><DT><B>Overrides:
</B><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></DL>
</DD>
<DD><DL>
<DT><B>Parameters:
</B><DD><CODE>x
</CODE> - The x coordinate
<DD><CODE>y
</CODE> - The y coordinate
<DD><CODE>pointer
</CODE> - the pointer for the event.
<DT><B>Returns:
</B><DD>whether the input was processed
</DL>
</DD>
</DL>
<HR>
<A NAME="touchUp(int, int, int, int)"><!-- --></A><H3>
touchUp
</H3>
<PRE>
public boolean
<B>touchUp
</B>(int
x,
int
y,
int
pointer,
int
button)
</PRE>
<DL>
<DD><B>Description copied from interface:
<CODE><A HREF="../../../../com/badlogic/gdx/InputProcessor.html#touchUp(int, int, int, int)">InputProcessor
</A></CODE></B></DD>
<DD>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.
<P>
<DD><DL>
<DT><B>Specified by:
</B><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><DT><B>Overrides:
</B><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></DL>
</DD>
<DD><DL>
<DT><B>Parameters:
</B><DD><CODE>x
</CODE> - The x coordinate
<DD><CODE>y
</CODE> - The y coordinate
<DD><CODE>pointer
</CODE> - the pointer for the event.
<DD><CODE>button
</CODE> - the button
<DT><B>Returns:
</B><DD>whether the input was processed
</DL>
</DD>
</DL>
<HR>
<A NAME="isLongPressed()"><!-- --></A><H3>
isLongPressed
</H3>
<PRE>
public boolean
<B>isLongPressed
</B>()
</PRE>
<DL>
<DD><DL>
<DT><B>Returns:
</B><DD>whether the user touched the screen long enough to trigger a long press event.
</DL>
</DD>
</DL>
<HR>
<A NAME="isLongPressed(float)"><!-- --></A><H3>
isLongPressed
</H3>
<PRE>
public boolean
<B>isLongPressed
</B>(float
duration)
</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:
</B><DD><CODE>duration
</CODE> -
<DT><B>Returns:
</B><DD>whether the user touched the screen for as much or more than the given duration.
</DL>
</DD>
</DL>
<HR>
<A NAME="isPanning()"><!-- --></A><H3>
isPanning
</H3>
<PRE>
public boolean
<B>isPanning
</B>()
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="reset()"><!-- --></A><H3>
reset
</H3>
<PRE>
public void
<B>reset
</B>()
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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