private RigidBody CreateRigidBody(MMDRigid rigid, MMDModel Model,out short group, out MMDMotionState motionStateStart)
{
CollisionShape collision;
RigidBody body;
//衝突スキンの作成
switch (rigid.ShapeType)
{
case 0:
collision = new SphereShape(rigid.ShapeWidth);
break;
case 1:
collision = new BoxShape(new btVector3(rigid.ShapeWidth, rigid.ShapeHeight, rigid.ShapeDepth));
break;
case 2:
collision = new CapsuleShape(rigid.ShapeWidth, rigid.ShapeHeight);
break;
default:
throw new NotImplementedException("不明な剛体タイプ");
}
motionStateStart = new MMDMotionState(rigid, Model);
btVector3 localInertia = btVector3.Zero;
//イナーシャの計算
if (rigid.Type != 0)
collision.calculateLocalInertia(rigid.Weight, out localInertia);
//剛体を作成
body = new RigidBody((rigid.Type != 0 ? rigid.Weight : 0), motionStateStart, collision, localInertia);
//ダンピング値、摩擦、Restitutionをセット
body.setDamping(rigid.LinerDamping, rigid.AngularDamping);
body.Friction = rigid.Friction;
body.Restitution = rigid.Restitution;
//ボーン追従型はKinematicにする
if (rigid.Type == 0)
{
body.ActivationState |= ActivationStateFlags.DISABLE_DEACTIVATION;
body.CollisionFlags = CollisionFlags.CF_KINEMATIC_OBJECT;
if (!string.IsNullOrEmpty(rigid.RelatedBoneName))
Model.BoneManager[rigid.RelatedBoneName].IsPhysics = false;
}
else
{//物理演算型はボーンのフラグをオンにする
if (!string.IsNullOrEmpty(rigid.RelatedBoneName))
Model.BoneManager[rigid.RelatedBoneName].IsPhysics = true;
}
//グループのフラグをセット
group = (short)Math.Pow(2, rigid.GroupIndex);
return body;
}
