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<div class="subTitle">com.badlogic.gdx.input</div>
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<h2 title="Interface GestureDetector.GestureListener" class="title">Interface GestureDetector.GestureListener</h2>
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<dt>All Known Implementing Classes:</dt>
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<dd><a href="../../../../com/badlogic/gdx/graphics/g3d/utils/CameraInputController.CameraGestureListener.html" title="class in com.badlogic.gdx.graphics.g3d.utils">CameraInputController.CameraGestureListener</a>, <a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureAdapter.html" title="class in com.badlogic.gdx.input">GestureDetector.GestureAdapter</a></dd>
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<dt>Enclosing class:</dt>
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<dd><a href="../../../../com/badlogic/gdx/input/GestureDetector.html" title="class in com.badlogic.gdx.input">GestureDetector</a></dd>
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<pre>public static interface <span class="strong">GestureDetector.GestureListener</span></pre>
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<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,
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 panning or pinch zooming. Each method returns a boolean indicating if the event should be handed to the next listener (false
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 to hand it to the next listener, true otherwise).</div>
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<dl><dt><span class="strong">Author:</span></dt>
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  <dd>mzechner</dd></dl>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#fling(float, float, int)">fling</a></strong>(float&nbsp;velocityX,
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     float&nbsp;velocityY,
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     int&nbsp;button)</code>
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<div class="block">Called when the user dragged a finger over the screen and lifted it.</div>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#longPress(float, float)">longPress</a></strong>(float&nbsp;x,
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         float&nbsp;y)</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#pan(float, float, float, float)">pan</a></strong>(float&nbsp;x,
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   float&nbsp;y,
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   float&nbsp;deltaX,
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   float&nbsp;deltaY)</code>
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<div class="block">Called when the user drags a finger over the screen.</div>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#panStop(float, float, int, int)">panStop</a></strong>(float&nbsp;x,
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       float&nbsp;y,
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       int&nbsp;pointer,
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       int&nbsp;button)</code>
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<div class="block">Called when no longer panning.</div>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#pinch(com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2)">pinch</a></strong>(<a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;initialPointer1,
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     <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;initialPointer2,
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     <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;pointer1,
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     <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;pointer2)</code>
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<div class="block">Called when a user performs a pinch zoom gesture.</div>
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</td>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#tap(float, float, int, int)">tap</a></strong>(float&nbsp;x,
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   float&nbsp;y,
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   int&nbsp;count,
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   int&nbsp;button)</code>
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<div class="block">Called when a tap occured.</div>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#touchDown(float, float, int, int)">touchDown</a></strong>(float&nbsp;x,
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         float&nbsp;y,
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         int&nbsp;pointer,
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         int&nbsp;button)</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/input/GestureDetector.GestureListener.html#zoom(float, float)">zoom</a></strong>(float&nbsp;initialDistance,
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    float&nbsp;distance)</code>
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<div class="block">Called when the user performs a pinch zoom gesture.</div>
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<h4>touchDown</h4>
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<pre>boolean&nbsp;touchDown(float&nbsp;x,
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                float&nbsp;y,
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                int&nbsp;pointer,
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                int&nbsp;button)</pre>
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<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../com/badlogic/gdx/InputProcessor.html#touchDown(int, int, int, int)"><code>InputProcessor.touchDown(int, int, int, int)</code></a></dd></dl>
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<h4>tap</h4>
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<pre>boolean&nbsp;tap(float&nbsp;x,
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          float&nbsp;y,
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          int&nbsp;count,
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          int&nbsp;button)</pre>
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<div class="block">Called when a tap occured. A tap happens if a touch went down on the screen and was lifted again without moving outside
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 of the tap square. The tap square is a rectangular area around the initial touch position as specified on construction
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 time of the <a href="../../../../com/badlogic/gdx/input/GestureDetector.html" title="class in com.badlogic.gdx.input"><code>GestureDetector</code></a>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>count</code> - the number of taps.</dd></dl>
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<h4>longPress</h4>
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<pre>boolean&nbsp;longPress(float&nbsp;x,
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                float&nbsp;y)</pre>
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<h4>fling</h4>
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<pre>boolean&nbsp;fling(float&nbsp;velocityX,
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            float&nbsp;velocityY,
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            int&nbsp;button)</pre>
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<div class="block">Called when the user dragged a finger over the screen and lifted it. Reports the last known velocity of the finger in
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 pixels per second.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>velocityX</code> - velocity on x in seconds</dd><dd><code>velocityY</code> - velocity on y in seconds</dd></dl>
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<h4>pan</h4>
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<pre>boolean&nbsp;pan(float&nbsp;x,
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          float&nbsp;y,
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          float&nbsp;deltaX,
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          float&nbsp;deltaY)</pre>
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<div class="block">Called when the user drags a finger over the screen.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>deltaX</code> - the difference in pixels to the last drag event on x.</dd><dd><code>deltaY</code> - the difference in pixels to the last drag event on y.</dd></dl>
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<h4>panStop</h4>
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<pre>boolean&nbsp;panStop(float&nbsp;x,
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              float&nbsp;y,
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              int&nbsp;pointer,
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              int&nbsp;button)</pre>
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<div class="block">Called when no longer panning.</div>
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<h4>zoom</h4>
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<pre>boolean&nbsp;zoom(float&nbsp;initialDistance,
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           float&nbsp;distance)</pre>
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<div class="block">Called when the user performs a pinch zoom gesture. The original distance is the distance in pixels when the gesture
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 started.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>initialDistance</code> - distance between fingers when the gesture started.</dd><dd><code>distance</code> - current distance between fingers.</dd></dl>
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<a name="pinch(com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2, com.badlogic.gdx.math.Vector2)">
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<h4>pinch</h4>
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<pre>boolean&nbsp;pinch(<a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;initialPointer1,
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            <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;initialPointer2,
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            <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;pointer1,
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            <a href="../../../../com/badlogic/gdx/math/Vector2.html" title="class in com.badlogic.gdx.math">Vector2</a>&nbsp;pointer2)</pre>
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<div class="block">Called when a user performs a pinch zoom gesture. Reports the initial positions of the two involved fingers and their
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 current positions.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>initialPointer1</code> - </dd><dd><code>initialPointer2</code> - </dd><dd><code>pointer1</code> - </dd><dd><code>pointer2</code> - </dd></dl>
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