76 lines
2.0 KiB
Dart
76 lines
2.0 KiB
Dart
class Vec3 {
|
|
final double x;
|
|
final double y;
|
|
final double z;
|
|
|
|
Vec3({this.x = 0, this.y = 0, this.z = 0});
|
|
|
|
factory Vec3.from(List<double> vals) =>
|
|
Vec3(x: vals[0], y: vals[1], z: vals[2]);
|
|
}
|
|
|
|
class Quaternion {
|
|
double x = 0;
|
|
double y = 0;
|
|
double z = 0;
|
|
double w = 1;
|
|
|
|
Quaternion({this.x = 0, this.y = 0, this.z = 0, this.w = 1.0});
|
|
|
|
factory Quaternion.from(List<double> vals) =>
|
|
Quaternion(x: vals[0], y: vals[1], z: vals[2], w: vals[3]);
|
|
}
|
|
|
|
class BoneTransform {
|
|
final List<Vec3> translations;
|
|
final List<Quaternion> quaternions;
|
|
|
|
///
|
|
/// The length of [translations] and [quaternions] must be the same;
|
|
/// each entry represents the Vec3/Quaternion for the given frame.
|
|
///
|
|
BoneTransform(this.translations, this.quaternions) {
|
|
if (translations.length != quaternions.length) {
|
|
throw Exception("Length of translation/quaternion frames must match");
|
|
}
|
|
// for (int i = 0; i < quaternions.length; i++) {
|
|
// _frameData.add(translations[i].x);
|
|
// _frameData.add(translations[i].y);
|
|
// _frameData.add(translations[i].z);
|
|
// _frameData.add(quaternions[i].x);
|
|
// _frameData.add(quaternions[i].y);
|
|
// _frameData.add(quaternions[i].z);
|
|
// _frameData.add(quaternions[i].w);
|
|
// }
|
|
}
|
|
|
|
Iterable<double> getFrameData(int frame) sync* {
|
|
yield translations[frame].x;
|
|
yield translations[frame].y;
|
|
yield translations[frame].z;
|
|
yield quaternions[frame].x;
|
|
yield quaternions[frame].y;
|
|
yield quaternions[frame].z;
|
|
yield quaternions[frame].w;
|
|
}
|
|
}
|
|
|
|
class BoneAnimation {
|
|
final List<BoneTransform> boneTransforms;
|
|
final List<String> boneNames;
|
|
final List<String> meshNames;
|
|
|
|
final int numFrames;
|
|
|
|
BoneAnimation(
|
|
this.boneTransforms, this.boneNames, this.meshNames, this.numFrames);
|
|
|
|
Iterable<double> toFrameData() sync* {
|
|
for (int i = 0; i < numFrames; i++) {
|
|
for (int j = 0; j < boneTransforms.length; j++) {
|
|
yield* boneTransforms[j].getFrameData(i);
|
|
}
|
|
}
|
|
}
|
|
}
|