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Improve touch input handling to prevent accidental diagonal movements at higher speeds

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cmclark00 2025-03-27 20:47:20 -04:00
parent 4ea4ba7d1b
commit bae3a01087
1 changed files with 54 additions and 22 deletions
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76
app/src/main/java/com/mintris/game/GameView.kt
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@ -133,6 +133,13 @@ class GameView @JvmOverloads constructor(
private val minTapTime = 100L // Minimum time for a tap (in milliseconds)
private val rotationCooldown = 150L // Minimum time between rotations (in milliseconds)
private val moveCooldown = 50L // Minimum time between move haptics (in milliseconds)
private var lockedDirection: Direction? = null // Track the locked movement direction
private val minMovementThreshold = 0.75f // Minimum movement threshold relative to block size
private val directionLockThreshold = 1.5f // Threshold for direction lock relative to block size
private enum class Direction {
HORIZONTAL, VERTICAL
}
// Callback for game events
var onGameStateChanged: ((score: Int, level: Int, lines: Int) -> Unit)? = null
@ -578,6 +585,7 @@ class GameView @JvmOverloads constructor(
startY = event.y
lastTouchX = event.x
lastTouchY = event.y
lockedDirection = null // Reset direction lock
// Check for double tap (rotate)
val currentTime = System.currentTimeMillis()
@ -597,32 +605,53 @@ class GameView @JvmOverloads constructor(
val deltaY = event.y - lastTouchY
val currentTime = System.currentTimeMillis()
// Horizontal movement (left/right) with reduced threshold
if (abs(deltaX) > blockSize * 0.5f) { // Reduced from 1.0f for more responsive movement
if (deltaX > 0) {
gameBoard.moveRight()
} else {
gameBoard.moveLeft()
// Determine movement direction if not locked
if (lockedDirection == null) {
val absDeltaX = abs(deltaX)
val absDeltaY = abs(deltaY)
// Check if movement exceeds threshold
if (absDeltaX > blockSize * minMovementThreshold || absDeltaY > blockSize * minMovementThreshold) {
// Determine dominant direction
if (absDeltaX > absDeltaY * directionLockThreshold) {
lockedDirection = Direction.HORIZONTAL
} else if (absDeltaY > absDeltaX * directionLockThreshold) {
lockedDirection = Direction.VERTICAL
}
}
lastTouchX = event.x
// Add haptic feedback for movement with cooldown
if (currentTime - lastMoveTime >= moveCooldown) {
gameHaptics?.vibrateForPieceMove()
lastMoveTime = currentTime
}
invalidate()
}
// Vertical movement (soft drop) with reduced threshold
if (deltaY > blockSize * 0.25f) { // Reduced from 0.5f for more responsive soft drop
gameBoard.moveDown()
lastTouchY = event.y
// Add haptic feedback for movement with cooldown
if (currentTime - lastMoveTime >= moveCooldown) {
gameHaptics?.vibrateForPieceMove()
lastMoveTime = currentTime
// Handle movement based on locked direction
when (lockedDirection) {
Direction.HORIZONTAL -> {
if (abs(deltaX) > blockSize * minMovementThreshold) {
if (deltaX > 0) {
gameBoard.moveRight()
} else {
gameBoard.moveLeft()
}
lastTouchX = event.x
if (currentTime - lastMoveTime >= moveCooldown) {
gameHaptics?.vibrateForPieceMove()
lastMoveTime = currentTime
}
invalidate()
}
}
Direction.VERTICAL -> {
if (deltaY > blockSize * minMovementThreshold) {
gameBoard.moveDown()
lastTouchY = event.y
if (currentTime - lastMoveTime >= moveCooldown) {
gameHaptics?.vibrateForPieceMove()
lastMoveTime = currentTime
}
invalidate()
}
}
null -> {
// No direction lock yet, don't process movement
}
invalidate()
}
}
@ -647,6 +676,9 @@ class GameView @JvmOverloads constructor(
invalidate()
}
}
// Reset direction lock
lockedDirection = null
}
}