private Avatar( AvatarDescription body, AvatarAnimationWrapper anim, float scale, Vector3 dir, Vector3 pos )
{
Scale = scale;
Direction = dir;
Position = pos;
BlendTime = .25f;
Description = body;
Renderer = new AvatarRenderer( body );
currentAnimation = anim;
BoneTransforms = new ReadOnlyCollection<Matrix>( avatarBones );
}
public void SetAnimation( CustomAvatarAnimationData data )
{
if ( !currentAnimation.IsOfType( data.Name ) && ( targetAnimation == null || !targetAnimation.IsOfType( data.Name ) ) )
{
if ( !customs.ContainsKey( data ) )
customs.Add( data, new AvatarAnimationWrapper( data ) );
targetAnimation = customs[data];
targetAnimation.CurrentPosition = TimeSpan.Zero;
blendTimeCurrent = 0f;
}
}
public void Update( TimeSpan time, bool loop )
{
currentAnimation.Update( time, loop );
if ( targetAnimation == null )
{
currentAnimation.BoneTransforms.CopyTo( avatarBones, 0 );
}
else
{
targetAnimation.Update( time, loop );
ReadOnlyCollection<Matrix> currentBoneTransforms = currentAnimation.BoneTransforms;
ReadOnlyCollection<Matrix> targetBoneTransforms = targetAnimation.BoneTransforms;
float elapsed = (float)time.TotalSeconds;
blendTimeCurrent += elapsed;
float t = blendTimeCurrent / BlendTime;
if ( t >= 1f )
{
currentAnimation = targetAnimation;
targetAnimation = null;
t = 1f;
}
Quaternion currentRotation, targetRotation, finalRotation;
Vector3 currentPosition, targetPosition, finalPosition;
int nBones = avatarBones.Length;
for ( int i = 0; i < nBones; ++i )
{
currentRotation = Quaternion.CreateFromRotationMatrix( currentBoneTransforms[i] );
targetRotation = Quaternion.CreateFromRotationMatrix( targetBoneTransforms[i] );
Quaternion.Slerp( ref currentRotation, ref targetRotation, t, out finalRotation );
currentPosition = currentBoneTransforms[i].Translation;
targetPosition = targetBoneTransforms[i].Translation;
Vector3.Lerp( ref currentPosition, ref targetPosition, t, out finalPosition );
avatarBones[i] = Matrix.CreateFromQuaternion( finalRotation ) *
Matrix.CreateTranslation( finalPosition );
}
}
}
public void SetAnimation( AvatarAnimationPreset preset )
{
if ( !currentAnimation.IsOfType( preset ) && ( targetAnimation == null || !targetAnimation.IsOfType( preset ) ) )
{
if ( !presets.ContainsKey( preset ) )
presets.Add( preset, new AvatarAnimationWrapper( preset ) );
targetAnimation = presets[preset];
targetAnimation.CurrentPosition = TimeSpan.Zero;
blendTimeCurrent = 0f;
}
}
