我正在Libgdx制作第一人称3D游戏，一切进展顺利。在移动设备上运行时，控件存在一个小问题。
如果首先按下方向按钮（向上，向下，向左或向右），则在屏幕上拖动（环顾四周）不起作用。如果我先在屏幕上拖动，那么两者一起工作。代码在Kotlin中
class InputController : FirstPersonCameraController {
private var gameRenderScreen: GameRenderScreen = GameRenderScreen()
private val forwardButton = TextButton("Forward", Gui.skin)
private val backwardButton = TextButton("Backward", Gui.skin)
private val leftButton = TextButton("Left", Gui.skin)
private val rightButton = TextButton("Right", Gui.skin)
private val jumpButton = TextButton("Jump", Gui.skin)
private val modeButton = TextButton("Mode", Gui.skin)
@JvmField
var isAdding = true
constructor(camera: Camera) : super(camera) {}
constructor(camera: Camera, gameRenderScreen: GameRenderScreen, stage: Stage) : super(camera) {
this.gameRenderScreen = gameRenderScreen
// create control
if (Gdx.app.type == Application.ApplicationType.Android || Gdx.app.type == Application.ApplicationType.iOS) {
var width: Float = Gdx.graphics.width / 10f
var height: Float = Gdx.graphics.height / 10f
forwardButton.setBounds(50f + width, 100f + (height * 2), width, height)
stage.addActor(forwardButton)
leftButton.setBounds(50f, 50f + height, width, height)
stage.addActor(leftButton)
rightButton.setBounds(50f + (width * 2), 50f + height, width, height)
stage.addActor(rightButton)
backwardButton.setBounds(50f + width, 10f, width, height)
stage.addActor(backwardButton)
jumpButton.setBounds(Gdx.graphics.width - width - 50f, 50f + height, width, height)
stage.addActor(jumpButton)
modeButton.setBounds(Gdx.graphics.width - width - 50f, 100f + (height * 2), width, height)
stage.addActor(modeButton)
}
//Todo fix this as it stops touching working
val multiplexer = InputMultiplexer()
multiplexer.addProcessor(this)
multiplexer.addProcessor(stage)
Gdx.input.inputProcessor = multiplexer
}
override fun keyDown(keycode: Int): Boolean {
if ((keycode == Input.Keys.SPACE || jumpButton.isPressed) && gameRenderScreen.isJump == false && gameRenderScreen.jumping == 0.0f) {
gameRenderScreen.isJump = true
}
if (keycode == Input.Keys.ENTER || modeButton.isPressed) {
isAdding = !isAdding
}
return super.keyDown(keycode)
}
// Called from Render loop
fun updateControls() {
if (Gdx.app.type == Application.ApplicationType.Android || Gdx.app.type == Application.ApplicationType.iOS) {
if (forwardButton.isPressed) {
keyDown(Input.Keys.W)
} else {
keyUp(Input.Keys.W)
}
if (backwardButton.isPressed) {
keyDown(Input.Keys.S)
} else {
keyUp(Input.Keys.S)
}
if (leftButton.isPressed) {
keyDown(Input.Keys.A)
} else {
keyUp(Input.Keys.A)
}
if (rightButton.isPressed) {
keyDown(Input.Keys.D)
} else {
keyUp(Input.Keys.D)
}
if (modeButton.isPressed) {
isAdding = !isAdding
} else {
}
if (jumpButton.isPressed && gameRenderScreen.isJump == false && gameRenderScreen.jumping == 0.0f) {
gameRenderScreen.isJump = true
} else {
}
}
}
override fun touchDragged(screenX: Int, screenY: Int, pointer: Int): Boolean {
hasMoved = true
return super.touchDragged(screenX, screenY, pointer)
}
override fun touchDown(screenX: Int, screenY: Int, pointer: Int, button: Int): Boolean {
hasMoved = false
return super.touchDown(screenX, screenY, pointer, button)
}
override fun touchUp(screenX: Int, screenY: Int, pointer: Int, button: Int): Boolean {
if (hasMoved == false) {
gameRenderScreen.getObject(screenX, screenY)
}
return super.touchUp(screenX, screenY, pointer, button)
}
companion object {
fun width(): Int {
return Gdx.graphics.width
}
fun height(): Int {
return Gdx.graphics.height
}
var hasMoved: Boolean = false
}
}
答案 0 :(得分：0)
所以，这里是固定类，一旦你意识到手指2是一个不同的输入它是有道理的：）
class InputController : FirstPersonCameraController {
private var gameRenderScreen: GameRenderScreen = GameRenderScreen()
private val forwardButton = TextButton("Forward", Gui.skin)
private val backwardButton = TextButton("Backward", Gui.skin)
private val leftButton = TextButton("Left", Gui.skin)
private val rightButton = TextButton("Right", Gui.skin)
private val jumpButton = TextButton("Jump", Gui.skin)
private val modeButton = TextButton("Mode", Gui.skin)
var myCamera: Camera
var tmp2 = Vector3();
private var degreesPerPixel2 = 0.5f
// stop to much dragging
private val touchPos = Vector2()
private val dragPos = Vector2()
private val radius = 20f
@JvmField
var isAdding = true
constructor(camera: Camera, gameRenderScreen: GameRenderScreen, stage: Stage) : super(camera) {
this.gameRenderScreen = gameRenderScreen
myCamera = camera
// create control
if (Gdx.app.type == Application.ApplicationType.Android || Gdx.app.type == Application.ApplicationType.iOS) {
var width: Float = width() / 10f
var height: Float = height() / 10f
forwardButton.setBounds(50f + width, 100f + (height * 2), width, height)
stage.addActor(forwardButton)
leftButton.setBounds(50f, 50f + height, width, height)
stage.addActor(leftButton)
rightButton.setBounds(50f + (width * 2), 50f + height, width, height)
stage.addActor(rightButton)
backwardButton.setBounds(50f + width, 10f, width, height)
stage.addActor(backwardButton)
jumpButton.setBounds(Gdx.graphics.width - width - 50f, 50f + height, width, height)
jumpButton.addListener(object : InputListener() {
override fun touchDown(event: InputEvent?, x: Float, y: Float, pointer: Int, button: Int): Boolean {
if (gameRenderScreen.isJump == false && gameRenderScreen.jumping == 0.0f) {
gameRenderScreen.isJump = true
}
return super.touchDown(event, x, y, pointer, button)
}
})
stage.addActor(jumpButton)
modeButton.setBounds(Gdx.graphics.width - width - 50f, 100f + (height * 2), width, height)
modeButton.addListener(object : InputListener() {
override fun touchDown(event: InputEvent?, x: Float, y: Float, pointer: Int, button: Int): Boolean {
isAdding = !isAdding
return super.touchDown(event, x, y, pointer, button)
}
})
stage.addActor(modeButton)
}
val multiplexer = InputMultiplexer()
multiplexer.addProcessor(stage)
multiplexer.addProcessor(this)
Gdx.input.inputProcessor = multiplexer
}
override fun keyDown(keycode: Int): Boolean {
if (keycode == Input.Keys.SPACE && gameRenderScreen.isJump == false && gameRenderScreen.jumping == 0.0f) {
gameRenderScreen.isJump = true
}
if (keycode == Input.Keys.ENTER || modeButton.isPressed) {
isAdding = !isAdding
}
Gdx.app.log("INPUT", "Keydown " + keycode)
return super.keyDown(keycode)
}
// Called from Render loop
fun updateControls() {
if (Gdx.app.type == Application.ApplicationType.Android || Gdx.app.type == Application.ApplicationType.iOS) {
if (forwardButton.isPressed) {
keyDown(Input.Keys.W)
} else {
keyUp(Input.Keys.W)
}
if (backwardButton.isPressed) {
keyDown(Input.Keys.S)
} else {
keyUp(Input.Keys.S)
}
if (leftButton.isPressed) {
keyDown(Input.Keys.A)
} else {
keyUp(Input.Keys.A)
}
if (rightButton.isPressed) {
keyDown(Input.Keys.D)
} else {
keyUp(Input.Keys.D)
}
}
}
override fun touchDragged(screenX: Int, screenY: Int, pointer: Int): Boolean {
dragPos.set(screenX.toFloat(), height() - screenY.toFloat())
val distance = touchPos.dst(dragPos)
if (distance <= radius) {
Gdx.app.log("BUILDING", "Not Dragging " + distance)
} else {
Gdx.app.log("BUILDING", "Dragging " + distance)
hasMoved = true
var cutoff = width() * 0.75
if (screenX > cutoff && pointer == 1 && Gdx.app.type == Application.ApplicationType.Android || Gdx.app.type == Application.ApplicationType.iOS) {
var deltaX = -Gdx.input.getDeltaX(1) * degreesPerPixel2
var deltaY = -Gdx.input.getDeltaY(1) * degreesPerPixel2
myCamera.direction.rotate(myCamera.up, deltaX)
tmp2.set(myCamera.direction).crs(myCamera.up).nor()
myCamera.direction.rotate(tmp2, deltaY)
return true
}
}
return super.touchDragged(screenX, screenY, pointer)
}
override fun touchDown(screenX: Int, screenY: Int, pointer: Int, button: Int): Boolean {
hasMoved = false
Gdx.app.log("INPUT", "touch Down " + pointer + " " + button)
touchPos.set(screenX.toFloat(), height() - screenY.toFloat());
return super.touchDown(screenX, screenY, pointer, button)
}
override fun touchUp(screenX: Int, screenY: Int, pointer: Int, button: Int): Boolean {
if (hasMoved == false) {
gameRenderScreen.getObject(screenX, screenY)
}
Gdx.app.log("INPUT", "touch up " + pointer + " " + button)
return super.touchUp(screenX, screenY, pointer, button)
}
companion object {
fun width(): Int {
return Gdx.graphics.width
}
fun height(): Int {
return Gdx.graphics.height
}
var hasMoved: Boolean = false
}
}