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https://github.com/jlengrand/korge-samples.git
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Small adjustments to OnScreenController sample
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soywiz
@@ -3,118 +3,77 @@ import com.soywiz.korev.*
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import com.soywiz.korge.input.*
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import com.soywiz.korge.view.*
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import com.soywiz.korim.color.*
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import com.soywiz.korio.async.*
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import com.soywiz.korio.lang.*
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import com.soywiz.korma.geom.vector.*
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import com.soywiz.korma.geom.*
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import com.soywiz.korma.geom.vector.*
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import kotlin.math.*
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fun Container.addTouchGamepad(width: Double = 320.0, height: Double = 224.0, radius: Double = height / 8, onStick: (x: Double, y: Double) -> Unit = { x, y -> }, onButton: (button: Int, pressed: Boolean) -> Unit = { button, pressed -> }) {
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val view = this
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lateinit var ball: View
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container {
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position(+radius * 1.1, height - radius * 1.1)
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graphics { fill(Colors.BLACK) { circle(0, 0, radius) } }.alpha(0.2)
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ball = graphics { fill(Colors.WHITE) { circle(0, 0, radius * 0.7) } }.alpha(0.2)
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}
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val view = this
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lateinit var ball: View
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val diameter = radius * 2
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container {
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position(+radius * 1.1, height - radius * 1.1)
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graphics { fill(Colors.BLACK) { circle(0, 0, radius) } }.alpha(0.2)
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ball = graphics { fill(Colors.WHITE) { circle(0, 0, radius * 0.7) } }.alpha(0.2)
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}
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val button = graphics { position(width - radius * 1.1, height - radius * 1.1).fill(Colors.WHITE) { circle(0, 0, radius * 0.7) } }.alpha(0.2)
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fun <T : View> T.decorateButton(button: Int) = this.apply {
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var pressing = false
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onDown {
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pressing = true
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alpha = 0.3
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onButton(button, true)
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}
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onUpAnywhere {
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if (pressing) {
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pressing = false
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alpha = 0.2
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onButton(button, false)
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}
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}
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}
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var dragging = false
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var startX = 0.0
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var startY = 0.0
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val directions = LinkedHashSet<Gestures.Direction>()
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val lastDirections = LinkedHashSet<Gestures.Direction>()
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for (n in 0 until 2) {
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val button = graphics { position(width - radius * 1.1 - (diameter * n), height - radius * 1.1).fill(Colors.WHITE) { circle(0, 0, radius * 0.7) } }.alpha(0.2).decorateButton(n)
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}
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val keyEvent = KeyEvent()
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var dragging = false
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val start = Point(0, 0)
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fun dispatchKey(key: Key, pressed: Boolean) {
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val views = stage?.views ?: return
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launchAsap(views.coroutineContext) {
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try {
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views.dispatch(keyEvent.apply {
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this.key = key
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this.type = if (pressed) KeyEvent.Type.DOWN else KeyEvent.Type.UP
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//println(this)
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})
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} catch (e: Throwable) {
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e.printStackTrace() // @TODO: Check
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}
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}
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}
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view.addEventListener<MouseEvent> {
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val px = view.globalMatrixInv.transformX(it.x, it.y)
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val py = view.globalMatrixInv.transformY(it.x, it.y)
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button
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.onDown {
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button.alpha = 0.3
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onButton(0, true)
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}
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.onUpAnywhere {
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//button.alpha = 1.0
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button.alpha = 0.2
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onButton(0, false)
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}
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view.addEventListener<MouseEvent> {
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val px = view.globalMatrixInv.transformX(it.x, it.y)
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val py = view.globalMatrixInv.transformY(it.x, it.y)
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directions.clear()
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val stage = view.stage ?: return@addEventListener
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when (it.type) {
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MouseEvent.Type.DOWN -> {
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if (px >= width / 2) return@addEventListener
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startX = px
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startY = py
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ball.alpha = 0.3
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dragging = true
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}
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MouseEvent.Type.DRAG -> {
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if (dragging) {
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val deltaX = px - startX
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val deltaY = py - startY
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val length = hypot(deltaX, deltaY)
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val maxLength = radius * 0.3
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val lengthClamped = length.clamp(0.0, maxLength)
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val angle = Angle.between(startX, startY, px, py)
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ball.position(cos(angle) * lengthClamped, sin(angle) * lengthClamped)
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if (lengthClamped >= maxLength * 0.5) {
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val quadrant = ((angle + 90.degrees + 45.degrees).normalized.degrees) / 90.0
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//println(quadrant)
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if (quadrant >= 3.9 || quadrant <= 1.1) directions.add(Gestures.Direction.Up)
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if (quadrant in 0.9..2.1) directions.add(Gestures.Direction.Right)
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if (quadrant in 1.9..3.1) directions.add(Gestures.Direction.Down)
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if (quadrant in 2.9..4.1) directions.add(Gestures.Direction.Left)
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}
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when (it.type) {
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MouseEvent.Type.DOWN -> {
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if (px >= width / 2) return@addEventListener
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start.x = px
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start.y = py
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ball.alpha = 0.3
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dragging = true
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}
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MouseEvent.Type.DRAG -> {
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if (dragging) {
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val deltaX = px - start.x
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val deltaY = py - start.y
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val length = hypot(deltaX, deltaY)
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val maxLength = radius * 0.3
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val lengthClamped = length.clamp(0.0, maxLength)
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val angle = Angle.between(start.x, start.y, px, py)
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ball.position(cos(angle) * lengthClamped, sin(angle) * lengthClamped)
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val lengthNormalized = lengthClamped / maxLength
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onStick(cos(angle) * lengthNormalized, sin(angle) * lengthNormalized)
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}
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}
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MouseEvent.Type.UP -> {
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ball.position(0, 0)
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ball.alpha = 0.2
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dragging = false
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}
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MouseEvent.Type.UP -> {
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ball.position(0, 0)
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ball.alpha = 0.2
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dragging = false
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onStick(0.0, 0.0)
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}
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}
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//// Release old keys
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//for (dir in lastDirections) if (dir !in directions) dispatchKeyForDirection(dir, false)
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//// Press new keys
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//for (dir in directions) if (dir !in lastDirections) dispatchKeyForDirection(dir, true)
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lastDirections.clear()
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lastDirections.addAll(directions)
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}
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//view.addEventListener<ReshapeEvent> {
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// println("reshaped ${view.width}x${view.height}")
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//}
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}
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else -> Unit
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}
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}
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}
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@@ -1,17 +1,21 @@
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import com.soywiz.klock.*
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import com.soywiz.korge.*
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import com.soywiz.korge.particle.*
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import com.soywiz.korge.view.*
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import com.soywiz.korim.color.*
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import com.soywiz.korio.async.*
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import com.soywiz.korio.file.std.*
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import com.soywiz.korio.util.*
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suspend fun main() = Korge(bgcolor = Colors.DARKBLUE) {
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val text1 = text("-").position(0, 0).also { it.filtering = false }
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val text2 = text("-").position(0, 15).also { it.filtering = false }
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val buttonTexts = (0 until 2).map {
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text("-").position(0, 15 * (it + 1)).also { it.filtering = false }
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}
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addTouchGamepad(
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views.virtualWidth.toDouble(), views.virtualHeight.toDouble(),
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onStick = { x, y -> text1.setText("Stick: (${x.toStringDecimal(2)}, ${y.toStringDecimal(2)})") },
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onButton = { button, pressed -> text2.setText("Button: $button, $pressed") }
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onButton = { button, pressed -> buttonTexts[button].setText("Button: $button, $pressed") }
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)
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}
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