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allow partial morph animations

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This commit is contained in:
Nick Fisher
2023-08-18 15:43:20 +08:00
parent 46ecacde12
commit ed72c16724
13 changed files with 174 additions and 135 deletions
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13
lib/animations/morph_animation_data.dart
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@@ -9,24 +9,25 @@ import 'dart:typed_data';
class MorphAnimationData {
final String meshName;
final List<String> morphNames;
final List<int> morphIndices;
final Float32List data;
final List<double> data;
MorphAnimationData(
this.meshName, this.data, this.morphNames, this.frameLengthInMs) {
MorphAnimationData(this.meshName, this.data, this.morphNames,
this.morphIndices, this.frameLengthInMs) {
assert(data.length == morphNames.length * numFrames);
}
int get numMorphWeights => morphNames.length;
int get numMorphTargets => morphNames.length;
int get numFrames => data.length ~/ numMorphWeights;
int get numFrames => data.length ~/ numMorphTargets;
final double frameLengthInMs;
Iterable<double> getData(String morphName) sync* {
int index = morphNames.indexOf(morphName);
for (int i = 0; i < numFrames; i++) {
yield data[(i * numMorphWeights) + index];
yield data[(i * numMorphTargets) + index];
}
}
}