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Show number of visible spineboys in Disable Rendering sample

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This commit is contained in:
Denis Andrasec 2024-07-18 13:57:30 +02:00
parent ebc7bc9cfc
commit 04f28b9e4f
1 changed files with 18 additions and 7 deletions
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25
spine-android/app/src/main/java/com/esotericsoftware/spine/DisableRendering.kt
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@ -1,6 +1,5 @@
package com.esotericsoftware.spine
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectDragGestures
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
@ -19,6 +18,7 @@ import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableFloatStateOf
import androidx.compose.runtime.mutableStateListOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
@ -26,11 +26,9 @@ import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clipToBounds
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.layout.positionInParent
import androidx.compose.ui.layout.positionInRoot
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.dp
@ -62,6 +60,11 @@ fun DisableRendering(nav: NavHostController) {
)
}
) { paddingValues ->
val visibleSpineBoys = remember {
mutableStateListOf<Int>()
}
Column(
modifier = Modifier
.padding(paddingValues)
@ -74,16 +77,16 @@ fun DisableRendering(nav: NavHostController) {
modifier = Modifier
.padding(8.dp)
) {
Text("Scroll spine boys out of the viewport")
Text("Scroll ${visibleSpineBoys.count()} spine boys out of the viewport")
Text("Rendering is disabled when the spine view moves out of the viewport, preserving CPU/GPU resources.")
}
SpineBoys()
SpineBoys(visibleSpineBoys)
}
}
}
@Composable
fun SpineBoys() {
fun SpineBoys(visibleSpineBoys: MutableList<Int>) {
var boxSize by remember { mutableStateOf(Size.Zero) }
val offsetX = remember { mutableFloatStateOf(0f) }
val offsetY = remember { mutableFloatStateOf(0f) }
@ -159,6 +162,15 @@ fun SpineBoys() {
positionInRoot.y + size.height > 0
isSpineBoyVisible.value = isInViewport
val visibleSpineBoysAsSet = visibleSpineBoys.toMutableSet()
if (isInViewport) {
visibleSpineBoysAsSet.add(spineBoyData.id)
} else {
visibleSpineBoysAsSet.remove(spineBoyData.id)
}
visibleSpineBoys.clear()
visibleSpineBoys.addAll(visibleSpineBoysAsSet)
}
) {
AndroidView(
@ -193,4 +205,3 @@ data class SpineBoyData(
val position: Offset,
val animation: String
)