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recalculate world transform from parent hierarchy when setting bone animation

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This commit is contained in:
Nick Fisher
2024-06-04 22:20:13 +08:00
parent 2f38cfceee
commit fce1846c27
1 changed files with 24 additions and 4 deletions
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28
dart_filament/lib/dart_filament/filament_viewer_impl.dart
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@@ -675,7 +675,9 @@ class FilamentViewer extends AbstractFilamentViewer {
///
@override
Future addBoneAnimation(FilamentEntity entity, BoneAnimationData animation,
{int skinIndex = 0, double fadeOutInSecs=0.0, double fadeInInSecs=0.0}) async {
{int skinIndex = 0,
double fadeOutInSecs = 0.0,
double fadeInInSecs = 0.0}) async {
if (animation.space != Space.Bone &&
animation.space != Space.ParentWorldRotation) {
throw UnimplementedError("TODO - support ${animation.space}");
@@ -715,7 +717,17 @@ class FilamentViewer extends AbstractFilamentViewer {
var baseTransform = restLocalTransforms[entityBoneIndex];
var world = await getWorldTransform(boneEntity);
var world = Matrix4.identity();
// this odd use of ! is intentional, without it, the WASM optimizer gets in trouble
var parentBoneEntity = (await getParent(boneEntity))!;
while(true) {
if (!bones.contains(parentBoneEntity!)) {
break;
}
world = restLocalTransforms[bones.indexOf(parentBoneEntity!)] * world;
parentBoneEntity = (await getParent(parentBoneEntity))!;
}
world = Matrix4.identity()..setRotation(world.getRotation());
var worldInverse = Matrix4.identity()..copyInverse(world);
@@ -737,8 +749,16 @@ class FilamentViewer extends AbstractFilamentViewer {
}
}
add_bone_animation(_sceneManager!, entity, skinIndex, entityBoneIndex,
data, numFrames, animation.frameLengthInMs, fadeOutInSecs, fadeInInSecs);
add_bone_animation(
_sceneManager!,
entity,
skinIndex,
entityBoneIndex,
data,
numFrames,
animation.frameLengthInMs,
fadeOutInSecs,
fadeInInSecs);
}
allocator.free(data);
}