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/*
 * Copyright (c) 2009-2020 jMonkeyEngine
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package com.jme3.input.controls;

import com.jme3.input.MouseInput;

/**
 * A MouseAxisTrigger is used as a mapping to mouse axis,
 * a mouse axis is movement along the X axis (left/right), Y axis (up/down)
 * and the mouse wheel (scroll up/down).
 *
 * @author Kirill Vainer
 */
public class MouseAxisTrigger implements Trigger {

    private int mouseAxis;
    private boolean negative;

    /**
     * Create a new MouseAxisTrigger.
     * 

* @param mouseAxis Mouse axis. See AXIS_*** constants in {@link MouseInput} * @param negative True if listen to negative axis events, false if * listen to positive axis events. */ public MouseAxisTrigger(int mouseAxis, boolean negative){ if (mouseAxis < 0 || mouseAxis > 2) throw new IllegalArgumentException("Mouse Axis must be between 0 and 2"); this.mouseAxis = mouseAxis; this.negative = negative; } public int getMouseAxis(){ return mouseAxis; } public boolean isNegative() { return negative; } @Override public String getName() { String sign = negative ? "Negative" : "Positive"; switch (mouseAxis){ case MouseInput.AXIS_X: return "Mouse X Axis " + sign; case MouseInput.AXIS_Y: return "Mouse Y Axis " + sign; case MouseInput.AXIS_WHEEL: return "Mouse Wheel " + sign; default: throw new AssertionError(); } } public static int mouseAxisHash(int mouseAxis, boolean negative){ assert mouseAxis >= 0 && mouseAxis <= 255; return (negative ? 768 : 512) | (mouseAxis & 0xff); } @Override public int triggerHashCode() { return mouseAxisHash(mouseAxis, negative); } }





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