From cb37a129d1adb403019c96e798e86e2da9667f15 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Sun, 17 Nov 2019 17:56:04 -0500
Subject: [PATCH] Maze
---
Mocap.java | 385 ++++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 285 insertions(+), 100 deletions(-)
diff --git a/Mocap.java b/Mocap.java
index 93dd7ac..4656cc7 100644
--- a/Mocap.java
+++ b/Mocap.java
@@ -261,9 +261,11 @@
// LA.matConcat(toParent, hip.get(0).toParent, toParent);
- CameraPane.debugpoint.toParent[3][0] = poship.x;
- CameraPane.debugpoint.toParent[3][1] = poship.y;
- CameraPane.debugpoint.toParent[3][2] = poship.z;
+ CameraPane.CreateSelectedPoint();
+
+ CameraPane.debugpointG.toParent[3][0] = poship.x;
+ CameraPane.debugpointG.toParent[3][1] = poship.y;
+ CameraPane.debugpointG.toParent[3][2] = poship.z;
LA.matInvert(toParent, fromParent);
@@ -283,28 +285,28 @@
poship.x = hip.get(0).toParent[3][0];
poship.y = hip.get(0).toParent[3][1];
poship.z = hip.get(0).toParent[3][2];
+
+ temp.x = 1;
+ temp.y = 0;
+ temp.z = 0;
+
+ LA.xformDir(temp, hip.get(0).toParent, temp);
+
+ angleYhip = Math.atan2(-temp.z, temp.x);
- // AT*AR = A'T*BT*A'R*BR
- //
- LA.matInvert(hip.get(0).toParent, matrix);
+ LA.matIdentity(matrix);
+ LA.matYRotate(matrix, angleYhip);
+ LA.matTranslate(matrix, poship.x, poship.y, poship.z);
+
+ //LA.matInvert(hip.get(0).toParent, matrix);
+ LA.matInvert(matrix, matrix);
//LA.matIdentity(matrix);
//LA.matTranslate(matrix, -poship.x, -poship.y, -poship.z);
LA.matConcat(toParent, matrix, toParent);
-// poship.x = hip.get(0).toParent[3][0];
-// poship.y = hip.get(0).toParent[3][1];
-// poship.z = hip.get(0).toParent[3][2];
-//
-// temp.x = 1;
-// temp.y = 0;
-// temp.z = 0;
-//
-// LA.xformDir(temp, hip.get(0).toParent, temp);
-//
-// angleYhip = Math.atan2(-temp.z, temp.x);
-
+
LA.matConcat(toParent, hip.get(0).toParent, matrix);
pos.x = hip.get(0).toParent[3][0];
pos.y = hip.get(0).toParent[3][1];
@@ -324,21 +326,21 @@
// LA.matYRotate(toParent, angleY - angleYhip);
// LA.matTranslate(toParent, pos.x - poship.x, pos.y - poship.y, pos.z - poship.z);
- CameraPane.debugpoint2.toParent[3][0] = pos.x;
- CameraPane.debugpoint2.toParent[3][1] = pos.y;
- CameraPane.debugpoint2.toParent[3][2] = pos.z;
+ CameraPane.debugpointP.toParent[3][0] = pos.x;
+ CameraPane.debugpointP.toParent[3][1] = pos.y;
+ CameraPane.debugpointP.toParent[3][2] = pos.z;
- CameraPane.debugpoint3.toParent[3][0] = poship.x;
- CameraPane.debugpoint3.toParent[3][1] = poship.y;
- CameraPane.debugpoint3.toParent[3][2] = poship.z;
+ CameraPane.debugpointC.toParent[3][0] = poship.x;
+ CameraPane.debugpointC.toParent[3][1] = poship.y;
+ CameraPane.debugpointC.toParent[3][2] = poship.z;
poship.x = toParent[3][0];
poship.y = toParent[3][1];
poship.z = toParent[3][2];
- CameraPane.debugpoint4.toParent[3][0] = poship.x;
- CameraPane.debugpoint4.toParent[3][1] = poship.y;
- CameraPane.debugpoint4.toParent[3][2] = poship.z;
+ CameraPane.debugpointR.toParent[3][0] = poship.x;
+ CameraPane.debugpointR.toParent[3][1] = poship.y;
+ CameraPane.debugpointR.toParent[3][2] = poship.z;
LA.matInvert(toParent, fromParent);
}
@@ -476,6 +478,125 @@
currenthip[i] = data[frame3 + i];
}
}
+
+ static cVector centroid = new cVector();
+ static cVector mocaporigin = new cVector();
+
+ void SetHipOrientation()
+ {
+ Object3D hip = get(0);
+
+ if (toParent == null)
+ {
+ toParent = LA.newMatrix();
+ fromParent = LA.newMatrix();
+ }
+
+ LA.matConcat(toParent, hip.get(0).toParent, matrix);
+
+ mocaporigin.x = matrix[3][0];
+ mocaporigin.y = matrix[3][1];
+ mocaporigin.z = matrix[3][2];
+
+ centroid.x = matrix[3][0];
+ centroid.y = matrix[3][1];
+ centroid.z = matrix[3][2];
+// this.getCentroid(centroid, true);
+
+ CameraPane.CreateSelectedPoint();
+ CameraPane.debugpointG.name = "";
+ CameraPane.debugpointG.toParent[3][0] = mocaporigin.x;
+ CameraPane.debugpointG.toParent[3][1] = mocaporigin.y;
+ CameraPane.debugpointG.toParent[3][2] = mocaporigin.z;
+
+ CameraPane.debugpointP.name = "";
+ CameraPane.debugpointP.toParent[3][0] = centroid.x;
+ CameraPane.debugpointP.toParent[3][1] = centroid.y;
+ CameraPane.debugpointP.toParent[3][2] = centroid.z;
+
+ cVector goal = GetGoal(centroid);
+ if (goal != null)
+ {
+ System.err.println("GOAL change (" + this + "): " + goal + " (was " + goalposx + ", " + goalposz + ")");
+
+ goalposx = goal.x;
+ goalposz = goal.z;
+ targetdirx = targetdirz = 0;
+ }
+
+ if (goalposx == 0 && goalposz == 0)
+ {
+ // No target
+ if (ScriptNode.speaker != null)
+ {
+ Object3D sourcenode = GetFileRoot();
+ Object3D speakernode = ScriptNode.speaker.GetFileRoot();
+
+ //System.err.println("speaker is " + speakernode + "; last was " + ScriptNode.lastspeaker);
+
+ Object3D speaker = ScriptNode.speaker;
+
+ if (speakernode == sourcenode)
+ {
+ if (ScriptNode.lastspeaker != null)
+ {
+ speakernode = ScriptNode.lastspeaker.GetFileRoot();
+ speaker = ScriptNode.lastspeaker;
+ }
+ else
+ return;
+ }
+
+ cVector dst = new cVector();
+
+ boolean success = speakernode.getCentroid(dst); // , true);
+
+ if (!success)
+ new Exception().printStackTrace();
+
+ //speakernode.parent.TransformToWorld(dst);
+ //sourcenode.parent.TransformToLocal(dst);
+ this.parent.TransformToLocal(dst);
+
+ goalposx = dst.x;
+ goalposz = dst.z;
+ }
+ else
+ return;
+ }
+
+ cVector temp = new cVector();
+
+ temp.x = 1;
+ temp.y = 0;
+ temp.z = 0;
+
+ LA.xformDir(temp, matrix, temp);
+
+ double angleYhip = Math.atan2(-temp.z, temp.x);
+
+ double angleYtarget = Math.atan2(goalposx - centroid.x, goalposz - centroid.z);
+
+ LA.matIdentity(matrix);
+ LA.matTranslate(matrix, -centroid.x, -centroid.y, -centroid.z);
+ double angle = CurveAngle(0, angleYtarget - angleYhip, 0.1f);
+ LA.matYRotate(matrix, angle);
+ LA.matTranslate(matrix, centroid.x, centroid.y, centroid.z);
+
+ LA.matConcat(matrix, toParent, toParent);
+
+ LA.matInvert(toParent, fromParent);
+
+ LA.matConcat(toParent, hip.get(0).toParent, matrix);
+
+ centroid.x = matrix[3][0];
+ centroid.y = matrix[3][1];
+ centroid.z = matrix[3][2];
+
+ double dist = LA.distance(centroid, mocaporigin);
+
+ CheckForAction(centroid);
+ }
void WriteTo(java.io.Writer writer) throws Exception
{
@@ -526,6 +647,24 @@
// transient // aout 2013
Object3D skeleton;
+ void ExtractBigData(Object3D o)
+ {
+ super.ExtractBigData(o);
+
+ o.savebvh = this.bvh;
+ o.saveskeleton = this.skeleton;
+ this.bvh = null;
+ this.skeleton = null;
+ }
+
+ void RestoreBigData(Object3D o)
+ {
+ super.RestoreBigData(o);
+
+ this.bvh = o.savebvh;
+ this.skeleton = o.saveskeleton;
+ }
+
boolean smoothed;
//boolean touched;
@@ -549,11 +688,11 @@
double pinx;
double pinz;
- double targetx;
- double targetz;
+ double targetdirx;
+ double targetdirz;
- double goalx;
- double goalz;
+ double goalposx = 0; // -20;
+ double goalposz = 0; // -10;
boolean followpath;
@@ -624,7 +763,7 @@
scriptactions.clear();
}
- static double EPSACTION = 0.1; // 0.075; // 0.1;
+ static double EPSACTION = 0.1; // 0.075; // 0.1;Came
void AddFromTo(cVector from, cVector to)
{
@@ -809,7 +948,7 @@
// //GetFileRoot();
// sept 2014: //
- GrafreeD.RENDERME = 3; // patch for Merge objects
+ Grafreed.RENDERME = 3; // patch for Merge objects
float[] thedata = bvh.animation.getBoneData(0);
os.x = (float) (path.get(i).toParent[3][0]); // - thedata[frame*6]);
@@ -859,7 +998,7 @@
get(0).link2master = path.size() > 1; // hip orientation
- if (get(0).link2master)
+ if (get(0).Link2Support())
{
rotateonce = 2;
}
@@ -910,6 +1049,8 @@
testvect.set(from);
testvect.sub(fromto.from);
+ testvect.y = 0; // PATCH
+
int factor = 1;
//if (CameraPane.FAST)
@@ -951,6 +1092,8 @@
testvect.set(from);
testvect.sub(fromto.from);
+
+ testvect.y = 0; // PATCH
int factor = 1;
@@ -1186,6 +1329,7 @@
void SetPosition(Object3D sourcenode, cVector floor, long floorid, cVector centroid)
{
+ assert(false);
//assert(CameraPane.drawMode == CameraPane.SHADOW);
Object3D transformnode = new Object3D();
@@ -1283,7 +1427,7 @@
double w = 0.00015;
//if (!sourcenode.link2master) // strong pin on floor
- if (parent.link2master) // strong pin on floor
+ if (parent.Link2Support()) // strong pin on floor
{
w = 0.005; // .001;
}
@@ -1389,9 +1533,9 @@
groundid = floorid;
// green
- CameraPane.debugpoint.toParent[3][0] = groundx;
- CameraPane.debugpoint.toParent[3][1] = floor.y;
- CameraPane.debugpoint.toParent[3][2] = groundz;
+ CameraPane.debugpointG.toParent[3][0] = groundx;
+ CameraPane.debugpointG.toParent[3][1] = floor.y;
+ CameraPane.debugpointG.toParent[3][2] = groundz;
if (true) // slow && stepout && onein)
{
@@ -1402,7 +1546,7 @@
// mywave = currentwave++;
// }
// sound
- cVector eye = CameraPane.theRenderer.eyeCamera.location;
+ cVector eye = Globals.theRenderer.EyeCamera().location;
// if (sourcenode.parent.parent != null)
// sourcenode.parent.parent.TransformToWorld(floor, tmp);
@@ -1447,9 +1591,9 @@
//GraphreeD.
wav.play(volume * usedvolume); //, mywave);
- lastsoundtime = CameraPane.framecount;
+ lastsoundtime = Globals.framecount;
- GrafreeD.hassound = true;
+ Grafreed.hassound = true;
}
// else
// System.out.println("skipped");
@@ -1468,9 +1612,9 @@
// System.out.println("Allo " + sourcenode);
// purple
- CameraPane.debugpoint2.toParent[3][0] = floor.x;// + posx;
- CameraPane.debugpoint2.toParent[3][1] = ground; // floor.y;// + sourcenode.parent.toParent[3][1];
- CameraPane.debugpoint2.toParent[3][2] = floor.z;// + posz;
+ CameraPane.debugpointP.toParent[3][0] = floor.x;// + posx;
+ CameraPane.debugpointP.toParent[3][1] = ground; // floor.y;// + sourcenode.parent.toParent[3][1];
+ CameraPane.debugpointP.toParent[3][2] = floor.z;// + posz;
if (false) // dist2 > 0.1)
@@ -1497,7 +1641,7 @@
// sourcenode.parent.toParent[3][1] = ground - floor.y;
// sourcenode.parent.toParent[3][2] += groundz - floor.z;
// sourcenode.parent.toParent[3][1] = K * (ground - floor.y) + (1 - K) * oldposy;
- if (footcontact && (sourcenode.parent != null && !sourcenode.parent.link2master)) // strong pin on floor
+ if (footcontact && (sourcenode.parent != null && !sourcenode.parent.Link2Support())) // strong pin on floor
{
v0.x = groundx - floor.x;
v0.y = 0; // groundx - floor.x;
@@ -1536,9 +1680,9 @@
this.get(0).TransformToWorld(v0);
// cyan
- CameraPane.debugpoint3.toParent[3][0] = v0.x;
- CameraPane.debugpoint3.toParent[3][1] = ground;
- CameraPane.debugpoint3.toParent[3][2] = v0.z;
+ CameraPane.debugpointC.toParent[3][0] = v0.x;
+ CameraPane.debugpointC.toParent[3][1] = ground;
+ CameraPane.debugpointC.toParent[3][2] = v0.z;
LA.matConcat(sourcenode.toParent, transformnode.toParent, sourcenode.toParent);
LA.matInvert(sourcenode.toParent, sourcenode.fromParent);
@@ -1548,9 +1692,9 @@
this.get(0).TransformToWorld(v0);
// red
- CameraPane.debugpoint4.toParent[3][0] = v0.x;
- CameraPane.debugpoint4.toParent[3][1] = ground;
- CameraPane.debugpoint4.toParent[3][2] = v0.z;
+ CameraPane.debugpointR.toParent[3][0] = v0.x;
+ CameraPane.debugpointR.toParent[3][1] = ground;
+ CameraPane.debugpointR.toParent[3][2] = v0.z;
}
}
@@ -1590,11 +1734,11 @@
if (goal != null)
{
- System.err.println("GOAL change (" + sourcenode + "): " + goal + " (was " + goalx + ", " + goalz + ")");
+ System.err.println("GOAL change (" + sourcenode + "): " + goal + " (was " + goalposx + ", " + goalposz + ")");
//sourcenode.parent.parent.Dump();
- goalx = goal.x;
- goalz = goal.z;
- targetx = targetz = 0;
+ goalposx = goal.x;
+ goalposz = goal.z;
+ targetdirx = targetdirz = 0;
followpath = true;
}
@@ -1645,16 +1789,16 @@
// }
if (false) // !uselast)
{
- CameraPane.debugpoint.toParent[3][0] = dst.x;
- CameraPane.debugpoint.toParent[3][1] = dst.y;
- CameraPane.debugpoint.toParent[3][2] = dst.z;
+ CameraPane.debugpointG.toParent[3][0] = dst.x;
+ CameraPane.debugpointG.toParent[3][1] = dst.y;
+ CameraPane.debugpointG.toParent[3][2] = dst.z;
}
}
- if (goalx != 0 || goalz != 0) // TODO
+ if (goalposx != 0 || goalposz != 0) // TODO
{
// overwrite speaker orientation
- dst.set(goalx,0,goalz);
+ dst.set(goalposx,0,goalposz);
if (sourcenode.parent != null) // july 2014
sourcenode.parent.
TransformToLocal(dst);
@@ -1706,26 +1850,26 @@
// mars 2014
if (false) // goalx != 0 || goalz != 0)
{
- targetx = dst.x - src.x;
- targetz = dst.z - src.z;
+ targetdirx = dst.x - src.x;
+ targetdirz = dst.z - src.z;
- if (Math.abs(targetx) > 0.1 || Math.abs(targetz) > 0.1)
+ if (Math.abs(targetdirx) > 0.1 || Math.abs(targetdirz) > 0.1)
{
// far enough from goal. keep the goal position.
- targetx = 0;
- targetz = 0;
+ targetdirx = 0;
+ targetdirz = 0;
}
else
{
// too close to goal. switch to target direction instead.
- goalx = 0;
- goalz = 0;
+ goalposx = 0;
+ goalposz = 0;
}
}
//sourcenode.getCentroid(src, true);
- if (speakernode == sourcenode && goalx == 0 && goalz == 0)
+ if (speakernode == sourcenode && goalposx == 0 && goalposz == 0)
{
if (ScriptNode.lastspeaker != null)
new Exception().printStackTrace();
@@ -1734,13 +1878,13 @@
// LA.xformPos(src, fromParent, src);
- if ((ScriptNode.speaker != null && CameraPane.SPEAKERMOCAP || goalx != 0 || goalz != 0) && targetx == 0 && targetz == 0)
+ if ((ScriptNode.speaker != null && CameraPane.SPEAKERMOCAP || goalposx != 0 || goalposz != 0) && targetdirx == 0 && targetdirz == 0)
dst.sub(src);
else
// vector mode
{
- dst.x = targetx;
- dst.z = targetz;
+ dst.x = targetdirx;
+ dst.z = targetdirz;
// TEST TARGET
// dst.x = CameraPane.selectedpoint.toParent[3][0];
@@ -1862,7 +2006,7 @@
// if (sourcenode.link2master)
// if (goalx != 0 || goalz != 0)
// K = 0.02; // .0625;
- if (parent.link2master) // strong pin on floor
+ if (parent.Link2Support()) // strong pin on floor
{
K = 0.05; // 0.02;
}
@@ -2150,7 +2294,7 @@
}
if (!smoothed)
- for (int i=0; --i>=0;)
+ for (int i=10; --i>=0;)
SmoothAnimData(); // much reduces shakiness
smoothed = true;
@@ -2188,9 +2332,16 @@
toVector.x = LA.cos(to);
toVector.y = LA.sin(to);
+ double fromA = Math.atan2(fromVector.y, fromVector.x);
+ double toA = Math.atan2(toVector.y, toVector.x);
+
Vector2d currentVector = Slerp(fromVector, toVector, step);
- return Math.atan2(currentVector.y, currentVector.x);
+ double angle = Math.atan2(currentVector.y, currentVector.x);
+
+ double angle2 = (1-step) * fromA + step * toA;
+
+ return angle;
}
public static Vector2d Slerp(Vector2d from, Vector2d to, double step)
@@ -2243,6 +2394,8 @@
e.printStackTrace();
}
+ SetHipOrientation();
+
if (true)
return;
@@ -2270,9 +2423,9 @@
// SetBreakPoint(get(0).toParent[0], 0);
// }
- boolean setrotation = get(0).link2master && !firsttimeafterload && frame > 0;
+ boolean setrotation = get(0).Link2Support() && !firsttimeafterload && frame > 0;
boolean setposition = sourcenode != null && // sourcenode.parent != null && // july 2014
- sourcenode./*parent.*/link2master && !firsttimeafterload && frame > 0;
+ sourcenode./*parent.*/Link2Support() && !firsttimeafterload && frame > 0;
// cVector centroid = new cVector();
// cVector floor = new cVector();
@@ -2670,8 +2823,9 @@
// set rotation
//if (bone._rotationEnabled)
if (//frame > 0 &&
- !bone.skipmocap //&&
- //!bone.name.contains("head") &&
+ !bone.skipmocap &&
+ !bone.name.contains("head") &&
+ !bone.name.contains("Head") // &&
// !bone.name.contains("rFoot") &&
// !bone.name.contains("lFoot") &&
// !bone.name.contains("Pinky") &&
@@ -2704,7 +2858,7 @@
// set translation
// (currently only possible for root bone! see mocapdata.com data)
- if (bone._isRoot && link2master) // && !GetFileRoot().link2master)
+ if (bone._isRoot && Link2Support()) // && !GetFileRoot().link2master)
{
if (hasTranslation) // && _translationEnabled)
{
@@ -3056,8 +3210,8 @@
void Reset()
{
- if (fullname != null)
- ReadBVH();
+// if (fullname != null)
+// ReadBVH();
Object3D hip = get(0);
@@ -3096,8 +3250,8 @@
// LA.matIdentity(rot.fromParent);
// july 2014
- goalx = goalz = 0;
- targetx = targetz = 0;
+// goalx = goalz = 0;
+ targetdirx = targetdirz = 0;
//SetPositionDelta(true, true, true, false);
// LoadData();
@@ -3107,8 +3261,8 @@
// aout 2013 endframe = 0; // june 2013
- //ResetZero();
- setPose(frame);
+ ResetZero();
+ //setPose(frame);
}
static int mocapsupport = 0;
@@ -3126,12 +3280,13 @@
int step = 1;
+ // patch for running hare
if (speedup) // fev 2014
step *= 2; // 4;
if (rewind) // mars 2014
step *= 4;
- if (CameraPane.FAST) // && !CameraPane.HOLD)
+ //if (CameraPane.FAST) // && !CameraPane.HOLD)
step *= CameraPane.STEP;
//System.err.println("Step Mocap frame # " + frame);
@@ -3163,7 +3318,7 @@
"; fullname = " + fullname);
//int delta = frame - baseframe;
- if (CameraPane.CROWD)
+ if (Globals.CROWD)
{
baseframe = GetFirstFrame(); // 0 initial point
}
@@ -3172,23 +3327,40 @@
// SetPositionDelta(false, true, false); // ?? false);
{
if (support == null)
- ObjEditor.LoadBVHFile(fullname, this, false, beginframe, lastframetest);
+ {
+ if (bvh == null && new File(fullname).exists())
+ ObjEditor.LoadBVHFile(fullname, this, false, beginframe, lastframetest);
+ else
+ {
+ SetGlobalTransform();
+ Rewind();
+ Fade();
+ }
+ }
else
{
- try
- {
+// try
+// {
bvh = ((Mocap)support.get(mocapsupport++ % support.Size())).bvh;
// SetPositionDelta(false, true, true, true);
LoadData();
Rewind();
Fade();
- }
- catch (Exception e)
- {
- e.printStackTrace();
- ObjEditor.LoadBVHFile(fullname, this, false, beginframe, lastframetest);
- }
+// }
+// catch (Exception e)
+// {
+// System.err.println("An error occured while loading data. Use fallback by loading the file.");
+// //e.printStackTrace();
+// try
+// {
+// ObjEditor.LoadBVHFile(fullname, this, false, beginframe, lastframetest);
+// }
+// catch (Exception e2)
+// {
+// System.err.println("Motion file not found: " + fullname);
+// }
+// }
}
}
@@ -3370,6 +3542,7 @@
// filters out bad input data
void FilterAnimData()
{
+ new Exception().printStackTrace();
System.exit(0);
float[] data; // = bvh.animation.getBoneData(0);
@@ -3727,7 +3900,7 @@
transient boolean restarted; // CROWD issue?
- void drawSelf(CameraPane display, Object3D /*Composite*/ root, boolean selected, boolean blocked)
+ void drawSelf(iCameraPane display, Object3D /*Composite*/ root, boolean selected, boolean blocked)
{
//System.err.println("drawSelf Mocap frame # " + frame);
//System.err.println("drawSelf Mocap baseframe # " + baseframe);
@@ -3744,17 +3917,24 @@
// if (firstframe)
// return;
- if (!restarted && /*display.restartframe &&*/
- display.isLIVE() && live && display.drawMode == display.SHADOW) // FUCK
+ if (//!restarted && /*display.restartframe &&*/
+ Globals.isLIVE() && live && (display.DrawMode() == iCameraPane.SHADOW || !Globals.RENDERSHADOW || !Globals.COMPUTESHADOWWHENLIVE))
{
//display.restartframe = false;
restarted = true;
+ //System.err.println("restarted = true");
Step();
+
+ Globals.lighttouched = true;
}
else
{
- if (display.isLIVE() && live && display.drawMode != display.SHADOW)
+ //System.err.println("restarted");
+ if (Globals.isLIVE() && live && display.DrawMode() != iCameraPane.SHADOW)
+ {
restarted = false;
+ //System.err.println("restarted = false");
+ }
}
super.drawSelf(display, root, selected, blocked);
@@ -3814,6 +3994,11 @@
// GetObject().release(i);
}
+ boolean HasBigData()
+ {
+ return skeleton != null;
+ }
+
public Object3D get(int i)
{
if (i != 0)
--
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