// Clear the class buffer for Positions/AvatarBoneLengths/HumanBoneVectors/HumanBoneLengths/Rotations/LocalRotations/FKPositions
public void AllClear()
{
Positions.Clear();
AvatarBoneLengths.Clear();
HumanBoneVectors.Clear();
HumanBoneLengths.Clear();
Rotations.Clear();
LocalRotations.Clear();
FKPositions.Clear();
}
// Clear the class buffer for Positions/HumanToAvatarTransformRotations/AvatarBoneLengths/HumanBoneVectors/HumanBoneLengths/Rotations/LocalRotations/FKPositions
public void Clear()
{
Positions.Clear();
HumanToAvatarTransformRotations.Clear();
AvatarBoneLengths.Clear();
HumanBoneVectors.Clear();
HumanBoneLengths.Clear();
Rotations.Clear();
LocalRotations.Clear();
FKPositions.Clear();
}
// AllClear is called for clearing the class buffer for Positions/AvatarBoneLengths/Rotations/LocalRotations/HumanBoneVectors/HumanBoneLengths/FKPositions and Frame/UseAbsoluteCoordinate/UseLocalRotation/UseForwardKinematics/SetFootOnGround
public void AllClear()
{
Frame = 0;
Positions.Clear();
AvatarBoneLengths.Clear();
UseAbsoluteCoordinate = false;
UseLocalRotation = false;
UseForwardKinematics = false;
SetFootOnGround = false;
Rotations.Clear();
LocalRotations.Clear();
HumanBoneVectors.Clear();
HumanBoneLengths.Clear();
FKPositions.Clear();
}
// CalculateBoneLengths is called for calculating the bone lengths of avatar
public void CalculateBoneLengths()
{
// Positions of human joint keypoints are in the MPII order
int[] boneJoints = new int[]
{
// 16 human bones in total and 6 means pelvis(hip)
6, 2, // rightHipBone
2, 1, // rightThigh
1, 0, // rightCalf
6, 3, // leftHipBone
3, 4, // leftThigh
4, 5, // leftCalf
6, 7, // waist
7, 8, // chest
8, 9, // neck
9, 10, // head
8, 13, // rightClavicle
13, 12, // rightUpperArm
12, 11, // rightForearm
8, 14, // leftClavicle
14, 15, // leftUpperArm
15, 16, // leftForearm
};
var positions = Positions.ToList();
for (int i = 0; i < 16; i++)
{
int src = boneJoints[2 * i];
int dst = boneJoints[2 * i + 1];
var translate = positions[dst] - positions[src]; // vector points to dst from src
HumanBoneVectors.Add(translate); // local vector
var boneLength = translate.magnitude;
HumanBoneLengths.Add(boneLength);
}
}