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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 package com.esotericsoftware.spine
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectDragGestures import androidx.compose.foundation.gestures.detectDragGestures
import androidx.compose.foundation.layout.Box import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column import androidx.compose.foundation.layout.Column
@ -19,6 +18,7 @@ import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableFloatStateOf import androidx.compose.runtime.mutableFloatStateOf
import androidx.compose.runtime.mutableStateListOf
import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue import androidx.compose.runtime.setValue
@ -26,11 +26,9 @@ import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clipToBounds import androidx.compose.ui.draw.clipToBounds
import androidx.compose.ui.geometry.Offset import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Size import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.pointer.pointerInput import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.layout.onGloballyPositioned import androidx.compose.ui.layout.onGloballyPositioned
import androidx.compose.ui.layout.positionInParent import androidx.compose.ui.layout.positionInParent
import androidx.compose.ui.layout.positionInRoot
import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.IntOffset import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.dp import androidx.compose.ui.unit.dp
@ -62,6 +60,11 @@ fun DisableRendering(nav: NavHostController) {
) )
} }
) { paddingValues -> ) { paddingValues ->
val visibleSpineBoys = remember {
mutableStateListOf<Int>()
}
Column( Column(
modifier = Modifier modifier = Modifier
.padding(paddingValues) .padding(paddingValues)
@ -74,16 +77,16 @@ fun DisableRendering(nav: NavHostController) {
modifier = Modifier modifier = Modifier
.padding(8.dp) .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.") Text("Rendering is disabled when the spine view moves out of the viewport, preserving CPU/GPU resources.")
} }
SpineBoys() SpineBoys(visibleSpineBoys)
} }
} }
} }
@Composable @Composable
fun SpineBoys() { fun SpineBoys(visibleSpineBoys: MutableList<Int>) {
var boxSize by remember { mutableStateOf(Size.Zero) } var boxSize by remember { mutableStateOf(Size.Zero) }
val offsetX = remember { mutableFloatStateOf(0f) } val offsetX = remember { mutableFloatStateOf(0f) }
val offsetY = remember { mutableFloatStateOf(0f) } val offsetY = remember { mutableFloatStateOf(0f) }
@ -159,6 +162,15 @@ fun SpineBoys() {
positionInRoot.y + size.height > 0 positionInRoot.y + size.height > 0
isSpineBoyVisible.value = isInViewport isSpineBoyVisible.value = isInViewport
val visibleSpineBoysAsSet = visibleSpineBoys.toMutableSet()
if (isInViewport) {
visibleSpineBoysAsSet.add(spineBoyData.id)
} else {
visibleSpineBoysAsSet.remove(spineBoyData.id)
}
visibleSpineBoys.clear()
visibleSpineBoys.addAll(visibleSpineBoysAsSet)
} }
) { ) {
AndroidView( AndroidView(
@ -193,4 +205,3 @@ data class SpineBoyData(
val position: Offset, val position: Offset,
val animation: String val animation: String
) )