void buildBody(BVH.Joint jt)
{
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
sphere.name = jt.name;
//GameObject particles = Instantiate(particle, Vector3.zero, Quaternion.identity) as GameObject;
//particles.transform.parent = sphere.transform;
//Debug.Log(" Name: " + jt.name + " channeloffset: " + jt.channelOffset);
if (jt.parent != null)
{
sphere.transform.localScale = (this.transform.localScale);
sphere.transform.parent = GameObject.Find(jt.parent.name).transform;
sphere.transform.position = GameObject.Find(jt.parent.name).transform.position + jt.offset;
sphere.AddComponent <LineRenderer>();
}
else
{
sphere.transform.localScale = (this.transform.localScale);
sphere.transform.parent = this.transform;
sphere.transform.position = jt.offset;
}
if (!jt.name.Equals("EndSite"))
{
for (int i = 0; i < jt.children.Length; i++)
{
buildBody(jt.children[i]);
}
}
}
void moveBodyCasteljau(BVH.Joint jt, BVH.Motion mt, float u)
{
if (jt.name.Equals("EndSite"))
{
drawLine(GameObject.Find(jt.parent.name + "/" + jt.name));
}
else
{
GameObject currentJoint = GameObject.Find(jt.name);
if (jt.name.Equals("Hips"))
{
currentJoint.transform.position = jt.ani.interpolateCasteljauPos(u);
currentJoint.transform.rotation = jt.ani.interpolateCasteljauRot(u);
}
else
{
currentJoint.transform.rotation = (currentJoint.transform.parent.transform.rotation) * jt.ani.interpolateCasteljauRot(u);
drawLine(currentJoint);
}
for (int i = 0; i < jt.children.Length; i++)
{
moveBodyCasteljau(jt.children[i], mt, u);
}
}
}
void sampleBVH(BVH.Joint jt, BVH.Motion mt, float timeRate, int frameRate)
{
//int currentFrame = 0;
float currentTime = 0;
int index = jt.channelOffset;
int frameXtotalChanel;
int totalChannels = mt.numTotalChannels;
string str = "";
// hips
if (jt.name.Equals("Hips"))
{
for (int currentFrame = 0; currentFrame < mt.numFrames; currentFrame += frameRate)
{
frameXtotalChanel = currentFrame * totalChannels + jt.channelOffset;
str += currentTime + " " + mt.motionData[frameXtotalChanel + 0] + " " + mt.motionData[frameXtotalChanel + 1] + " " + mt.motionData[frameXtotalChanel + 2]
+ " " + mt.motionData[frameXtotalChanel + 4] + " " + mt.motionData[frameXtotalChanel + 5] + " " + mt.motionData[frameXtotalChanel + 3] + Environment.NewLine;
currentTime += timeRate;
}
jt.addKeyFrameAnimation(str.TrimEnd(Environment.NewLine.ToCharArray()));
}
else if (!jt.name.Equals("EndSite"))
{
for (int currentFrame = 0; currentFrame < mt.numFrames; currentFrame += frameRate)
{
frameXtotalChanel = currentFrame * totalChannels + jt.channelOffset;
str += currentTime + " " + jt.offset.x + " " + jt.offset.y + " " + jt.offset.z
+ " " + mt.motionData[frameXtotalChanel + 1] + " " + mt.motionData[frameXtotalChanel + 2] + " " + mt.motionData[frameXtotalChanel + 0] + Environment.NewLine;
currentTime += timeRate;
}
jt.addKeyFrameAnimation(str.TrimEnd(Environment.NewLine.ToCharArray()));
}
if (!jt.name.Equals("EndSite"))
{
for (int i = 0; i < jt.children.Length; i++)
{
sampleBVH(jt.children[i], mt, timeRate, frameRate);
}
}
}
// Use this for initialization
void Start()
{
bhv = new BVH(BVHInput.text);
rt = bhv.getRoot();
print(rt.name);
mt = bhv.getMotion();
buildBody(rt);
sampleBVH(rt, mt, 0.2f, 25);
timeFirstKeyFrame = rt.ani.getTime(0);
timeLastKeyFrame = rt.ani.getTime(rt.ani.getNumberOfKeyFrames() - 1);
}
void moveBody(BVH.Joint jt, BVH.Motion mt, int frame)
{
int index = jt.channelOffset;
int frameXtotalChanel = frame * mt.numTotalChannels;
if (!jt.name.Equals("EndSite"))
{
GameObject currentJoint = GameObject.Find(jt.name);
if (jt.name.Equals("Hips"))
{
currentJoint.transform.localScale = (this.transform.localScale);
/*currentJoint.transform.position = (this.transform.rotation) * (this.transform.position +
* new Vector3(mt.motionData[frameXtotalChanel + 0],
* mt.motionData[frameXtotalChanel + 1],
* mt.motionData[frameXtotalChanel + 2]));*/
currentJoint.transform.position = (this.transform.rotation) *
(this.transform.position + Vector3.Scale((new Vector3(mt.motionData[frameXtotalChanel + 0],
mt.motionData[frameXtotalChanel + 1],
mt.motionData[frameXtotalChanel + 2])), (this.transform.localScale)));
currentJoint.transform.rotation = (this.transform.rotation)
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + 3], new Vector3(0, 0, 1))
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + 4], new Vector3(1, 0, 0))
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + 5], new Vector3(0, 1, 0));
}
else
{
currentJoint.transform.rotation = (currentJoint.transform.parent.transform.rotation)
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + (index)], new Vector3(0, 0, 1))
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + (index + 1)], new Vector3(1, 0, 0))
* Quaternion.AngleAxis(mt.motionData[frameXtotalChanel + (index + 2)], new Vector3(0, 1, 0));
}
for (int i = 0; i < jt.children.Length; i++)
{
moveBody(jt.children[i], mt, frame);
}
}
}
void drawBody(BVH.Joint jt)
{
if (jt.name.Equals("EndSite"))
{
drawLine(GameObject.Find(jt.parent.name + "/" + jt.name));
}
else
{
GameObject currentJoint = GameObject.Find(jt.name);
if (!jt.name.Equals("Hips"))
{
drawLine(currentJoint);
}
for (int i = 0; i < jt.children.Length; i++)
{
drawBody(jt.children[i]);
}
}
}
void moveBodyLinear(BVH.Joint jt, BVH.Motion mt, int keyFrameCurrent, int keyFrameNext, float u)
{
if (!jt.name.Equals("EndSite"))
{
GameObject currentJoint = GameObject.Find(jt.name);
if (jt.name.Equals("Hips"))
{
currentJoint.transform.localScale = (this.transform.localScale);
currentJoint.transform.position = (this.transform.rotation) * (this.transform.position + jt.ani.interpolationLinearPos(keyFrameCurrent, keyFrameNext, u));
currentJoint.transform.rotation = (this.transform.rotation) * jt.ani.interpolationLinearRot(keyFrameCurrent, keyFrameNext, u);
}
else
{
currentJoint.transform.rotation = (currentJoint.transform.parent.transform.rotation) * jt.ani.interpolationLinearRot(keyFrameCurrent, keyFrameNext, u);
}
for (int i = 0; i < jt.children.Length; i++)
{
moveBodyLinear(jt.children[i], mt, keyFrameCurrent, keyFrameNext, u);
}
}
}
