package framework.model3D;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Iterator;
import javax.media.j3d.Appearance;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Geometry;
import javax.media.j3d.GeometryStripArray;
import javax.media.j3d.IndexedGeometryArray;
import javax.media.j3d.LOD;
import javax.media.j3d.Leaf;
import javax.media.j3d.Node;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.media.j3d.TriangleArray;
import javax.vecmath.AxisAngle4d;
import javax.vecmath.Quat4d;
import javax.vecmath.Vector3d;
import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.geometry.Cone;
import com.sun.j3d.utils.geometry.Cylinder;
import com.sun.j3d.utils.geometry.Primitive;
import com.sun.j3d.utils.geometry.Sphere;
/**
* 階層化され名前付けられた基本オブジェクト
* @author 新田直也
*
*/
public class Object3D extends BaseObject3D {
public Object3D[] children = new Object3D[0];
public String name;
public TransformGroup pos;
public TransformGroup rot;
public TransformGroup scale;
protected Position3D position = new Position3D();
protected Quaternion3D quaternion;
public BoundingSphere bs = null;
private OBB obb = null;
private UndoBuffer undoBuffer = new UndoBuffer();
private boolean bLOD = false;
private LOD lodNode = null;
// コンストラクタ
public Object3D(String name, Primitive node) {
if (name == null) name = "";
this.name = new String(name);
pos = new TransformGroup();
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
rot = new TransformGroup();
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
scale = new TransformGroup();
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
center = new TransformGroup();
center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
pos.addChild(rot);
rot.addChild(scale);
scale.addChild(center);
center.addChild(node);
}
public Object3D(String name, Leaf node) {
if (name == null) name = "";
this.name = new String(name);
if (!(node instanceof LOD)) {
pos = new TransformGroup();
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
rot = new TransformGroup();
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
scale = new TransformGroup();
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
center = new TransformGroup();
center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
pos.addChild(rot);
rot.addChild(scale);
scale.addChild(center);
center.addChild(node);
} else {
// LOD の場合
bLOD = true;
lodNode = (LOD)node;
pos = new TransformGroup();
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
rot = new TransformGroup();
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
scale = new TransformGroup();
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
center = new TransformGroup();
center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
pos.addChild(rot);
rot.addChild(scale);
scale.addChild(center);
BranchGroup lodRoot = new BranchGroup();
lodRoot.addChild(lodNode);
lodRoot.addChild(lodNode.getSwitch(0));
center.addChild(lodRoot);
}
}
public Object3D(String name, Geometry g, Appearance a) {
if (name == null) name = "";
this.name = new String(name);
pos = new TransformGroup();
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
rot = new TransformGroup();
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
scale = new TransformGroup();
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
center = new TransformGroup();
center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
a.setCapability(Appearance.ALLOW_TEXTURE_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_WRITE);
a.setCapability(Appearance.ALLOW_TEXTURE_ATTRIBUTES_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_ATTRIBUTES_WRITE);
a.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);
Shape3D shape = new Shape3D(g, a);
shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
pos.addChild(rot);
rot.addChild(scale);
scale.addChild(center);
center.addChild(shape);
}
// コンストラクタ
public Object3D(String name, Object3D[] children) {
if (name == null)
name = "";
this.name = name;
this.children = children;
int n = children.length;
int i = 0;
pos = new TransformGroup();
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
rot = new TransformGroup();
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
scale = new TransformGroup();
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
center = new TransformGroup();
center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
pos.addChild(rot);
rot.addChild(scale);
scale.addChild(center);
for (i = 0; i < n; i++) {
center.addChild(children[i].pos);
if (children[i].isBumpMappingApplied()) bBumpMapApplied = true;
if (children[i].isReflectionMappingApplied()) bReflectionMapApplied = true;
}
}
public Object3D(String name, Object3D[] children,
Transform3D defaultTransform) {
this(name, children);
if (defaultTransform == null) return;
pos.setTransform(defaultTransform);
}
// コピーコンストラクタ
public Object3D(Object3D obj) {
this.name = new String(obj.name);
if (obj.position != null) {
this.position = new Position3D(obj.position);
} else {
this.position = new Position3D();
}
if (obj.getQuaternion() != null) {
this.quaternion = new Quaternion3D(obj.getQuaternion());
} else {
this.quaternion = new Quaternion3D();
}
Transform3D transPos = new Transform3D();
obj.pos.getTransform(transPos);
this.pos = new TransformGroup(transPos);
this.pos.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
this.pos.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
Transform3D transRot = new Transform3D();
obj.rot.getTransform(transRot);
this.rot = new TransformGroup(transRot);
this.rot.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
this.rot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
Transform3D transScale = new Transform3D();
obj.scale.getTransform(transScale);
this.scale = new TransformGroup(transScale);
this.scale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
this.scale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
Transform3D transCenter = new Transform3D();
obj.center.getTransform(transCenter);
this.center = new TransformGroup(transCenter);
this.center.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
this.center.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
this.pos.addChild(this.rot);
this.rot.addChild(this.scale);
this.scale.addChild(this.center);
this.bLOD = obj.bLOD;
if (obj.hasChildren()) {
this.children = new Object3D[obj.children.length];
for (int i = 0; i < obj.children.length; i++) {
this.children[i] = new Object3D(obj.children[i]);
this.center.addChild(this.children[i].pos);
}
} else {
this.children = new Object3D[0];
if (!bLOD) {
Enumeration<Node> nodes = obj.getPrimitiveNodes();
while (nodes.hasMoreElements()) {
Node node = nodes.nextElement();
if (node != null && node instanceof Shape3D) {
Shape3D shape = (Shape3D)node;
shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
Appearance a = (Appearance)shape.getAppearance().cloneNodeComponent(true);
a.setCapability(Appearance.ALLOW_TEXTURE_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_WRITE);
a.setCapability(Appearance.ALLOW_TEXTURE_ATTRIBUTES_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_ATTRIBUTES_WRITE);
a.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_READ);
a.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);
this.center.addChild(new Shape3D((Geometry) shape
.getAllGeometries().nextElement(), a));
} else if (node != null && node instanceof Primitive) {
Primitive primitive = (Primitive)node;
primitive = (Primitive)primitive.cloneTree();
primitive.setCapability(Primitive.ENABLE_APPEARANCE_MODIFY);
this.center.addChild(primitive);
}
}
} else {
// LOD の場合
this.lodNode = (LOD)obj.lodNode.cloneTree();
BranchGroup lodRoot = new BranchGroup();
lodRoot.addChild(lodNode);
lodRoot.addChild(lodNode.getSwitch(0));
this.center.addChild(lodRoot);
}
}
if (obj.obb != null) {
this.obb = obj.obb;
}
if (obj.bs != null) {
this.bs = obj.bs;
}
if (obj.boundingSurfaces != null) {
this.boundingSurfaces = obj.boundingSurfaces;
}
this.undoBuffer = new UndoBuffer(obj.undoBuffer);
}
public Node getPrimitiveNode() {
if (hasChildren()) return null;
if (!bLOD) {
return (Node)center.getChild(0);
} else {
// LOD の場合
return lodNode.getSwitch(0).getChild(0);
}
}
public Enumeration<Node> getPrimitiveNodes() {
if (hasChildren()) return null;
if (!bLOD) {
return (Enumeration<Node>)center.getAllChildren();
} else {
// LOD の場合
return lodNode.getSwitch(0).getAllChildren();
}
}
public ArrayList<Appearance> getAppearances() {
ArrayList<Appearance> appearances = new ArrayList<Appearance>();
if (!bLOD) {
if (!hasChildren()) {
appearances.add(getAppearance());
} else {
for (int n = 0; n < children.length; n++) {
appearances.addAll(children[n].getAppearances());
}
}
return appearances;
} else {
// LOD の場合
Enumeration<Node> nodes = getPrimitiveNodes();
while (nodes.hasMoreElements()) {
Node node = nodes.nextElement();
Appearance ap = null;
if (node != null && node instanceof Shape3D) {
Shape3D shape = (Shape3D)node;
ap = shape.getAppearance();
if (ap == null) {
ap = new Appearance();
shape.setAppearance(ap);
}
} else if (node != null && node instanceof Primitive) {
Primitive primitive = (Primitive)node;
ap = primitive.getAppearance();
if (ap == null) {
ap = new Appearance();
primitive.setAppearance(ap);
}
}
appearances.add(ap);
}
return appearances;
}
}
// 引数part（部分）のオブジェクトを探す
public Object3D getPart(String part) {
int j = 0;
int N = children.length;
Object3D obj;
// if(part == children[j].name) return this;
if (part.equals(this.name))
return this;
for (j = 0; j < N; j++) {
if (children[j] != null) {
obj = children[j].getPart(part);
if (obj != null)
return obj;
else
continue;
}
}
return null;
}
@Override
public TransformGroup getTransformGroupToPlace() {
return pos;
}
// Position3D の applyTo() 以外からは呼ばないこと
void setPosition(Position3D p) {
position = (Position3D) p.clone();
Vector3d v = new Vector3d(p.getX(), p.getY(), p.getZ());
Transform3D trans = new Transform3D();
trans.set(v);
pos.setTransform(trans);
}
public void scale(double s) {
Transform3D trans = new Transform3D();
trans.setScale(s);
scale.setTransform(trans);
}
public void scale(double x, double y, double z) {
Transform3D trans = new Transform3D();
trans.setScale(new Vector3d(x, y, z));
scale.setTransform(trans);
}
public Position3D getPosition3D() {
return (Position3D) position.clone();
}
// キャラクターを回転させる
public void rotate(double vx, double vy, double vz, double a) {
AxisAngle4d t = new AxisAngle4d(vx, vy, vz, a);
Transform3D trans = new Transform3D();
trans.setRotation(t);
rot.setTransform(trans);
}
private void rotate(Quat4d quat) {
Transform3D trans = new Transform3D();
trans.setRotation(quat);
rot.setTransform(trans);
}
// キャラクターのpart(体の部分)を回転させる
public void rotate(String part, double vx, double vy, double vz, double a) {
getPart(part).rotate(vx, vy, vz, a);
}
public void apply(Property3D p, boolean enableUndo) {
if (enableUndo) {
undoBuffer.push(p);
}
p.applyTo(this);
}
// 自分を複製する（クローンを作る）
public Object3D duplicate() {
Object3D obj = new Object3D(this);
return obj;
}
// v（訪問者）に訪問先を教える
public void accept(ObjectVisitor v) {
int i;
v.preVisit(this);
if (children != null) {
for (i = 0; i < children.length; i++)
children[i].accept(v);
} else
;
v.postVisit(this);
}
// objectに子供がいるかどうかを調べる
public boolean hasChildren() {
if (this.children != null && this.children.length > 0)
return true;
else
return false;
}
/*
* undoするポイントを設定する。
*/
public void setUndoMark() {
undoBuffer.setUndoMark();
}
/*
* undoする。
*/
public void undo() {
Iterator<Property3D> iterator = undoBuffer.undo().iterator();
while (iterator.hasNext()) {
Property3D p = iterator.next();
p.applyTo(this);
}
}
/**
* 当たり判定処理、Oriented Bounding Box(OBB)をする。 0:最大面積法 1:最長対角線法
*/
public OBB getOBB(int pattern) {
if (obb == null) {
Node node = getPrimitiveNode();
if (node == null) return null;
if (node instanceof Box) {
// Boxの場合
Box box = ((Box)node);
double xDim = box.getXdimension();
double yDim = box.getYdimension();
double zDim = box.getZdimension();
obb = new OBB(new Vector3d(-xDim, -yDim, -zDim),
new Vector3d(-xDim, yDim, -zDim),
new Vector3d(-xDim, -yDim, zDim),
new Vector3d(-xDim, yDim, zDim),
new Vector3d(xDim, -yDim, -zDim),
new Vector3d(xDim, yDim, -zDim),
new Vector3d(xDim, -yDim, zDim),
new Vector3d(xDim, yDim, zDim));
} else if (node instanceof Cylinder) {
// Cylinderの場合
Cylinder cylinder = ((Cylinder)node);
double xDim = cylinder.getRadius();
double yDim = cylinder.getHeight() / 2;
double zDim = cylinder.getRadius();
obb = new OBB(new Vector3d(-xDim, -yDim, -zDim),
new Vector3d(-xDim, yDim, -zDim),
new Vector3d(-xDim, -yDim, zDim),
new Vector3d(-xDim, yDim, zDim),
new Vector3d(xDim, -yDim, -zDim),
new Vector3d(xDim, yDim, -zDim),
new Vector3d(xDim, -yDim, zDim),
new Vector3d(xDim, yDim, zDim));
} else if (node instanceof Cone) {
// Coneの場合
Cone cone = ((Cone)node);
double xDim = cone.getRadius();
double yDim = cone.getHeight() / 2;
double zDim = cone.getRadius();
obb = new OBB(new Vector3d(-xDim, -yDim, -zDim),
new Vector3d(-xDim, yDim, -zDim),
new Vector3d(-xDim, -yDim, zDim),
new Vector3d(-xDim, yDim, zDim),
new Vector3d(xDim, -yDim, -zDim),
new Vector3d(xDim, yDim, -zDim),
new Vector3d(xDim, -yDim, zDim),
new Vector3d(xDim, yDim, zDim));
} else if (node instanceof Sphere) {
// Sphereの場合
Sphere sphere = ((Sphere)node);
double xDim = sphere.getRadius();
double yDim = sphere.getRadius();
double zDim = sphere.getRadius();
obb = new OBB(new Vector3d(-xDim, -yDim, -zDim),
new Vector3d(-xDim, yDim, -zDim),
new Vector3d(-xDim, -yDim, zDim),
new Vector3d(-xDim, yDim, zDim),
new Vector3d(xDim, -yDim, -zDim),
new Vector3d(xDim, yDim, -zDim),
new Vector3d(xDim, -yDim, zDim),
new Vector3d(xDim, yDim, zDim));
} else {
if (!(node instanceof Shape3D)) return null;
// Shape3Dの場合
Shape3D shape = (Shape3D)node;
double coordinate[] = new double[3];
// OBBの作成に用いる頂点列の取得
ArrayList<Vector3d> vertex3DList = new ArrayList<Vector3d>();
if (shape.getGeometry() instanceof IndexedGeometryArray) {
// IndexedGeometryArrayの場合
IndexedGeometryArray iga = (IndexedGeometryArray) shape.getGeometry();
for (int i = 0; i < iga.getIndexCount() - 3; i++) {
iga.getCoordinates(iga.getCoordinateIndex(i), coordinate);
Vector3d p = new Vector3d(coordinate[0], coordinate[1], coordinate[2]);
vertex3DList.add(p);
}
} else if (shape.getGeometry() instanceof GeometryStripArray) {
// GeometryStripArrayの場合
GeometryStripArray gsa = (GeometryStripArray) shape.getGeometry();
for (int i = 0; i < gsa.getVertexCount(); i++) {
gsa.getCoordinates(i, coordinate);
Vector3d p = new Vector3d(coordinate[0], coordinate[1], coordinate[2]);
vertex3DList.add(p);
}
} else if (shape.getGeometry() instanceof TriangleArray) {
// TriangleArrayの場合
TriangleArray tra = (TriangleArray) shape.getGeometry();
for (int i = 0; i < tra.getVertexCount(); i++) {
tra.getCoordinates(i, coordinate);
Vector3d p = new Vector3d(coordinate[0], coordinate[1], coordinate[2]);
vertex3DList.add(p);
}
}
if (pattern == 0) {
// 最大面積法
Vector3d cv1 = new Vector3d();
Vector3d cv2 = new Vector3d();
double cvMax = 0.0;
Vector3d axis1 = new Vector3d(); // 3D頂点から求めた法線ベクトル
Vector3d axis2 = new Vector3d(); // 2D頂点から求めた法線ベクトル
Vector3d axis3 = new Vector3d(); // axis1,axis2の外積から求めた法線ベクトル
// 面積を3D頂点リストから求め、法線を求める処理
for (int i = 0; i < vertex3DList.size(); i += 3) {
cv1.sub(vertex3DList.get(i + 2), vertex3DList.get(i));
cv2.sub(vertex3DList.get(i + 1), vertex3DList.get(i));
Vector3d cv = new Vector3d();
cv.cross(cv1, cv2);
if (i == 0 || cv.length() >= cvMax) {
cvMax = cv.length();
axis1 = cv;
}
}
ProjectionResult pr1 = GeometryUtility.projection3D(vertex3DList, axis1);
// 辺のを2D頂点リストから求め、法線を求める処理
for (int i = 0; i < pr1.vertexList.size() - 1; i++) {
Vector3d cv = new Vector3d();
cv.sub(vertex3DList.get(i + 1), vertex3DList.get(i));
if (i == 0 || cv.length() >= cvMax) {
cvMax = cv.length();
axis2 = cv;
}
}
ProjectionResult pr2 = GeometryUtility.projection2D(pr1.vertexList, axis2);
// axis1,axis2で外積でaxis3を求める。
axis3.cross(axis1, axis2);
ProjectionResult pr3 = GeometryUtility.projection2D(pr1.vertexList, axis3);
AxisResult ar = new AxisResult(axis1, axis2, axis3);
// ここから最大面積法で求めた点を取得していく処理
// OBBの生成
obb = new OBB();
// No.1
ar.axis1.scale(pr1.min);
ar.axis2.scale(pr2.min);
ar.axis3.scale(pr3.min);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.2
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.min);
ar.axis2.scale(pr2.max);
ar.axis3.scale(pr3.min);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.3
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.min);
ar.axis2.scale(pr2.min);
ar.axis3.scale(pr3.max);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.4
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.min);
ar.axis2.scale(pr2.max);
ar.axis3.scale(pr3.max);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.5
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.max);
ar.axis2.scale(pr2.min);
ar.axis3.scale(pr3.min);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.6
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.max);
ar.axis2.scale(pr2.max);
ar.axis3.scale(pr3.min);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.7
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.max);
ar.axis2.scale(pr2.min);
ar.axis3.scale(pr3.max);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// No.8
ar = new AxisResult(axis1, axis2, axis3);
ar.axis1.scale(pr1.max);
ar.axis2.scale(pr2.max);
ar.axis3.scale(pr3.max);
ar.axis1.add(ar.axis2);
ar.axis3.add(ar.axis1);
obb.addVertex(ar.axis3);
// 面および境界多面体の生成
obb.createPlanes();
} else {
// AABB
double minX, maxX, minY, maxY, minZ, maxZ;
minX = maxX = vertex3DList.get(0).x;
minY = maxY = vertex3DList.get(0).y;
minZ = maxZ = vertex3DList.get(0).z;
for (int n = 1; n < vertex3DList.size(); n++) {
Vector3d v = vertex3DList.get(n);
if (minX > v.x) minX = v.x;
if (maxX < v.x) maxX = v.x;
if (minY > v.y) minY = v.y;
if (maxY < v.y) maxY = v.y;
if (minZ > v.z) minZ = v.z;
if (maxZ < v.z) maxZ = v.z;
}
obb = new OBB(new Vector3d(minX, minY, minZ),
new Vector3d(minX, maxY, minZ),
new Vector3d(minX, minY, maxZ),
new Vector3d(minX, maxY, maxZ),
new Vector3d(maxX, minY, minZ),
new Vector3d(maxX, maxY, minZ),
new Vector3d(maxX, minY, maxZ),
new Vector3d(maxX, maxY, maxZ));
}
}
}
return obb;
}
private class AxisResult {
Vector3d axis1;
Vector3d axis2;
Vector3d axis3;
AxisResult(Vector3d a1, Vector3d a2, Vector3d a3) {
axis1 = (Vector3d) a1.clone();
axis2 = (Vector3d) a2.clone();
axis3 = (Vector3d) a3.clone();
}
}
// Quaternion3D の applyTo() 以外からは呼ばないこと
void setQuaternion(Quaternion3D quaternion) {
this.quaternion = quaternion;
rotate(quaternion.getQuat());
}
public Quaternion3D getQuaternion() {
return quaternion;
}
public boolean isLODSet() {
return bLOD;
}
public LOD getLOD() {
return lodNode;
}
}
