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Move view around

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This commit is contained in:
Denis Andrasec 2024-07-18 11:01:56 +02:00
parent e2bdecd9ef
commit 2e5c1c9ff0
1 changed files with 31 additions and 14 deletions
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45
spine-android/app/src/main/java/com/esotericsoftware/spine/TheBoys.kt
View File

@ -1,5 +1,8 @@
package com.esotericsoftware.spine
import android.view.View
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectDragGestures
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.offset
@ -15,15 +18,20 @@ import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableFloatStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clipToBounds
import androidx.compose.ui.draw.scale
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.layout.onGloballyPositioned
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.toSize
import androidx.compose.ui.viewinterop.AndroidView
@ -54,17 +62,27 @@ fun TheBoys(nav: NavHostController) {
}
) { paddingValues ->
var viewportSize by remember { mutableStateOf(Size.Zero) }
val offsetX = remember { mutableFloatStateOf(0f) }
val offsetY = remember { mutableFloatStateOf(0f) }
Box(
modifier = Modifier
.padding(paddingValues)
.fillMaxSize()
.clipToBounds()
.onGloballyPositioned { coordinates ->
viewportSize = coordinates.size.toSize()
}
.pointerInput(Unit) {
detectDragGestures { change, dragAmount ->
change.consume()
offsetX.floatValue += dragAmount.x
offsetY.floatValue += dragAmount.y
}
}
) {
if (viewportSize != Size.Zero) {
val contentSize = Size(viewportSize.width * 2, viewportSize.height * 2)
val contentSize = viewportSize * 4f
val context = LocalContext.current
val cachedAtlas = remember { AndroidTextureAtlas.fromAsset("spineboy.atlas", context) }
@ -72,25 +90,24 @@ fun TheBoys(nav: NavHostController) {
val spineboys = remember {
val rng = Random(System.currentTimeMillis())
List(100) {
List(100) { index ->
val scale = 0.1f + rng.nextFloat() * 0.2f
val position = Offset(rng.nextFloat() * contentSize.width, rng.nextFloat() * contentSize.height)
SpineBoyData(scale, position, "walk")
SpineBoyData(scale, position, if (index == 99) "hoverboard" else "walk")
}
}
Box(
modifier = Modifier
.size(contentSize.width.dp, contentSize.height.dp)
) {
spineboys.forEach { spineBoyData ->
spineboys.forEach { spineBoyData ->
Box(modifier = Modifier
.offset {
IntOffset(
(-(contentSize.width / 2) + spineBoyData.position.x + offsetX.floatValue.toInt()).toInt(),
(-(contentSize.height / 2) + spineBoyData.position.y + offsetY.floatValue.toInt()).toInt(),
)
}
.scale(spineBoyData.scale)
) {
AndroidView(
modifier = Modifier
.scale(spineBoyData.scale)
.offset(
-(contentSize.width / 2).dp + spineBoyData.position.x.dp,
-(contentSize.height / 2).dp + spineBoyData.position.y.dp
),
factory = { ctx ->
SpineView.loadFromDrawable(
AndroidSkeletonDrawable(cachedAtlas, cachedSkeletonData),