Make VRMSpringBone.reset() work properly #169
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0b5vr
commented
Sep 25, 2019
| @@ -179,16 +179,17 @@ export class VRMSpringBone { | |||
| * You might want to call [[VRMSpringBoneManager.reset]] instead. | |||
| */ | |||
| public reset(): void { | |||
| this.bone.matrix.copy(this._initialLocalMatrix); | |||
| this.bone.quaternion.copy(this._initialLocalRotation); | |||
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ソースコードによると、 matrix は quaternion ・ position ・ scale から自動更新されるものなので、
あまり自前で操作することは想定されていないらしい。
applyMatrix() は存在するが、肝心の setMatrix() が存在しない……
我々が制御しているのが quaternion だけなので、ここは matrix の代わりに quaternion をセットし、
updateMatrix() を叩くこととしました。
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VRMSpringBone.reset()が正常に動作していなかったのを修正しました。