public BoneData(Segment segment)
{
this.mCurrentSegment = segment;
this.mLastSegment = segment;
this.mVelocityX1 = 0.0;
this.mVelocityY1 = 0.0;
this.mVelocityX2 = 0.0;
this.mVelocityY2 = 0.0;
this.mTimeLastUpdated = DateTime.Now;
}
private void UpdateSegmentPosition(JointType joint1, JointType joint2, Segment segment)
{
Bone bone = new Bone(joint1, joint2);
if (this.mSegments.ContainsKey(bone)) {
BoneData boneData = this.mSegments[bone];
boneData.UpdateSegment(segment);
this.mSegments[bone] = boneData;
} else {
this.mSegments.Add(bone, new BoneData(segment));
}
}
public void UpdateJointPosition(JointCollection joints, JointType joint)
{
// セグメントの開始位置と終了位置を設定
Segment segment = new Segment(
joints[joint].Position.X * this.mPlayerScale + this.mPlayerCenterPosition.X,
this.mPlayerCenterPosition.Y - joints[joint].Position.Y * this.mPlayerScale);
// セグメントの半径を設定
segment.mRadius = this.mPlayerBounds.Height *
((joint == JointType.Head) ? Player.HeadSize : Player.HandSize) / 2.0;
this.UpdateSegmentPosition(joint, joint, segment);
}
public void UpdateBonePosition(JointCollection joints, JointType joint1, JointType joint2)
{
// セグメントの開始位置と終了位置を設定
Segment segment = new Segment(
joints[joint1].Position.X * this.mPlayerScale + this.mPlayerCenterPosition.X,
this.mPlayerCenterPosition.Y - joints[joint1].Position.Y * this.mPlayerScale,
joints[joint2].Position.X * this.mPlayerScale + this.mPlayerCenterPosition.X,
this.mPlayerCenterPosition.Y - joints[joint2].Position.Y * this.mPlayerScale);
// セグメントの線の太さを設定
segment.mRadius = Math.Max(3.0, this.mPlayerBounds.Height * Player.BoneSize) / 2.0;
this.UpdateSegmentPosition(joint1, joint2, segment);
}
public void UpdateSegment(Segment segment)
{
this.mLastSegment = this.mCurrentSegment;
this.mCurrentSegment = segment;
DateTime currentTime = DateTime.Now;
double deltaTime = currentTime.Subtract(this.mTimeLastUpdated).TotalMilliseconds;
if (deltaTime < 10.0) {
deltaTime = 10.0;
}
double currentFps = 1000.0 / deltaTime;
this.mTimeLastUpdated = currentTime;
if (this.mCurrentSegment.IsCircle()) {
this.mVelocityX1 = (this.mVelocityX1 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mX1 - this.mLastSegment.mX1) * currentFps;
this.mVelocityY1 = (this.mVelocityY1 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mY1 - this.mLastSegment.mY1) * currentFps;
} else {
this.mVelocityX1 = (this.mVelocityX1 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mX1 - this.mLastSegment.mX1) * currentFps;
this.mVelocityY1 = (this.mVelocityY1 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mY1 - this.mLastSegment.mY1) * currentFps;
this.mVelocityX2 = (this.mVelocityX2 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mX2 - this.mLastSegment.mX2) * currentFps;
this.mVelocityY2 = (this.mVelocityY2 * BoneData.Smoothing) +
(1.0 - BoneData.Smoothing) * (this.mCurrentSegment.mY2 - this.mLastSegment.mY2) * currentFps;
}
}
public bool Hit(Segment segment, ref Point hitCenterPosition, ref double lineHitLocation)
{
double minDeltaXSquared = Math.Pow(this.mSize + segment.mRadius, 2.0);
if (segment.IsCircle()) {
// 円とアイテムとの衝突
if (FallingItemsManager.DistanceSquared(
this.mCenterPosition.X, this.mCenterPosition.Y, segment.mX1, segment.mX2) <= minDeltaXSquared) {
hitCenterPosition.X = segment.mX1;
hitCenterPosition.Y = segment.mY1;
lineHitLocation = 0.0;
return true;
}
} else {
// ボーンとアイテムとの衝突
double lineLengthSquared = FallingItemsManager.DistanceSquared(
segment.mX1, segment.mY1, segment.mX2, segment.mY2);
if (lineLengthSquared < 0.5) {
return (FallingItemsManager.DistanceSquared(
this.mCenterPosition.X, this.mCenterPosition.Y, segment.mX1, segment.mY1) < minDeltaXSquared);
}
double u = ((this.mCenterPosition.X - segment.mX1) * (segment.mX2 - segment.mX1)) +
(((this.mCenterPosition.Y - segment.mY1) * (segment.mY2 - segment.mY1)) / lineLengthSquared);
if ((u >= 0.0) && (u <= 1.0)) {
double intersectX = segment.mX1 + ((segment.mX2 - segment.mX1) * u);
double intersectY = segment.mY1 + ((segment.mY2 - segment.mY1) * u);
if (FallingItemsManager.DistanceSquared(
this.mCenterPosition.X, this.mCenterPosition.Y, intersectX, intersectY) < minDeltaXSquared) {
lineHitLocation = u;
hitCenterPosition.X = intersectX;
hitCenterPosition.Y = intersectY;
return true;
}
} else {
if (u < 0.0) {
if (FallingItemsManager.DistanceSquared(
this.mCenterPosition.X, this.mCenterPosition.Y, segment.mX1, segment.mY1) < minDeltaXSquared) {
lineHitLocation = 0.0;
hitCenterPosition.X = segment.mX1;
hitCenterPosition.Y = segment.mY1;
return true;
}
} else {
if (FallingItemsManager.DistanceSquared(
this.mCenterPosition.X, this.mCenterPosition.Y, segment.mX2, segment.mY2) < minDeltaXSquared) {
lineHitLocation = 1.0;
hitCenterPosition.X = segment.mX2;
hitCenterPosition.Y = segment.mY2;
return true;
}
}
}
return false;
}
return false;
}