将键盘事件更改为鼠标事件 as3
change keyboard event to mouse event as3
我是新人,学习action script 3.
我在移动行走角色时将键盘事件转换为鼠标事件时遇到问题。
当使用键盘事件时我没有问题。这是我的代码
import flash.ui.Keyboard;
var speed:Number=2;
stage.addEventListener(KeyboardEvent.KEY_DOWN, stikman);
function stikman(e:KeyboardEvent)
{
if (e.keyCode==Keyboard.LEFT)
{
stik.x-=speed;
stik.scaleX=-1;
stik.stik2.play();
}
else if (e.keyCode==Keyboard.RIGHT)
{
stik.x+=speed;
stik.scaleX=1;
stik.stik2.play();
}
}
然后我尝试在使用按钮移动角色时将键盘事件更改为鼠标事件,它应该按下单击,单击并单击。我想在移动角色时按住点击,当鼠标向上移动时角色停止。但我仍然不知道如何。这是我尝试更改为鼠标事件时的代码
var speed:Number=2;
mundur.addEventListener(MouseEvent.MOUSE_DOWN, stikman);
function stikman(e:MouseEvent)
{
stik.x-=speed;
stik.scaleX=-1;
stik.stik2.play();
}
maju.addEventListener(MouseEvent.CLICK, stikman2);
function stikman2(e:MouseEvent)
{
stik.x+=speed;
stik.scaleX=1;
stik.stik2.play();
}
因为只要按键被按下,键盘就会重复产生KeyboardEvent.KEY_DOWN事件,而MouseEvent.CLICK也会因为 MouseEvent.MOUSE_DOWN 每个用户操作只发送一次。
使用鼠标需要更改逻辑。
// Subscribe both buttons.
ButtonRight.addEventListener(MouseEvent.MOUSE_DOWN, onButton);
ButtonLeft.addEventListener(MouseEvent.MOUSE_DOWN, onButton);
var currentSpeed:Number = 0;
var isPlaying:Boolean = false;
function onButton(e:MouseEvent):void
{
// Set up the directions and start the animation.
switch (e.currentTarget)
{
case ButtonLeft:
currentSpeed = -speed;
stik.stik2.play();
stik.scaleX = -1;
break;
case ButtonRight:
currentSpeed = speed;
stik.stik2.play();
stik.scaleX = 1;
break;
}
isPlaying = true;
// Call repeatedly to move character.
addEventListener(Event.ENTER_FRAME, onFrame);
// Hook the MOUSE_UP even even if it is outside the button or even stage.
stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
}
function onFrame(e:Even):void
{
// Move character by the designated offset each frame.
stik.x += currentSpeed;
if (!isPlaying)
{
// Stop at last frame.
// if (stik.stik2.currentFrame == stik.stik2.totalFrames)
// Stop at frame 1.
if (stik.stik2.currentFrame == 1)
{
// Stop the animation.
stik.stik2.stop();
// Stop moving.
removeEventListener(Event.ENTER_FRAME, onFrame);
}
}
}
function onUp(e:MouseEvent):void
{
// Indicate to stop when the animation ends.
isPlaying = false;
// Unhook the MOUSE_UP event.
stage.removeEventListener(MouseEvent.MOUSE_UP, onUp);
}
我是新人,学习action script 3.
我在移动行走角色时将键盘事件转换为鼠标事件时遇到问题。
当使用键盘事件时我没有问题。这是我的代码
import flash.ui.Keyboard;
var speed:Number=2;
stage.addEventListener(KeyboardEvent.KEY_DOWN, stikman);
function stikman(e:KeyboardEvent)
{
if (e.keyCode==Keyboard.LEFT)
{
stik.x-=speed;
stik.scaleX=-1;
stik.stik2.play();
}
else if (e.keyCode==Keyboard.RIGHT)
{
stik.x+=speed;
stik.scaleX=1;
stik.stik2.play();
}
}
然后我尝试在使用按钮移动角色时将键盘事件更改为鼠标事件,它应该按下单击,单击并单击。我想在移动角色时按住点击,当鼠标向上移动时角色停止。但我仍然不知道如何。这是我尝试更改为鼠标事件时的代码
var speed:Number=2;
mundur.addEventListener(MouseEvent.MOUSE_DOWN, stikman);
function stikman(e:MouseEvent)
{
stik.x-=speed;
stik.scaleX=-1;
stik.stik2.play();
}
maju.addEventListener(MouseEvent.CLICK, stikman2);
function stikman2(e:MouseEvent)
{
stik.x+=speed;
stik.scaleX=1;
stik.stik2.play();
}
因为只要按键被按下,键盘就会重复产生KeyboardEvent.KEY_DOWN事件,而MouseEvent.CLICK也会因为 MouseEvent.MOUSE_DOWN 每个用户操作只发送一次。
使用鼠标需要更改逻辑。
// Subscribe both buttons.
ButtonRight.addEventListener(MouseEvent.MOUSE_DOWN, onButton);
ButtonLeft.addEventListener(MouseEvent.MOUSE_DOWN, onButton);
var currentSpeed:Number = 0;
var isPlaying:Boolean = false;
function onButton(e:MouseEvent):void
{
// Set up the directions and start the animation.
switch (e.currentTarget)
{
case ButtonLeft:
currentSpeed = -speed;
stik.stik2.play();
stik.scaleX = -1;
break;
case ButtonRight:
currentSpeed = speed;
stik.stik2.play();
stik.scaleX = 1;
break;
}
isPlaying = true;
// Call repeatedly to move character.
addEventListener(Event.ENTER_FRAME, onFrame);
// Hook the MOUSE_UP even even if it is outside the button or even stage.
stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
}
function onFrame(e:Even):void
{
// Move character by the designated offset each frame.
stik.x += currentSpeed;
if (!isPlaying)
{
// Stop at last frame.
// if (stik.stik2.currentFrame == stik.stik2.totalFrames)
// Stop at frame 1.
if (stik.stik2.currentFrame == 1)
{
// Stop the animation.
stik.stik2.stop();
// Stop moving.
removeEventListener(Event.ENTER_FRAME, onFrame);
}
}
}
function onUp(e:MouseEvent):void
{
// Indicate to stop when the animation ends.
isPlaying = false;
// Unhook the MOUSE_UP event.
stage.removeEventListener(MouseEvent.MOUSE_UP, onUp);
}