com.jme3.bullet.collision.shapes.infos.ChildCollisionShape Maven / Gradle / Ivy
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* Copyright (c) 2009-2019 jMonkeyEngine
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package com.jme3.bullet.collision.shapes.infos;
import com.jme3.bullet.collision.shapes.BoxCollisionShape;
import com.jme3.bullet.collision.shapes.CollisionShape;
import com.jme3.export.*;
import com.jme3.math.Matrix3f;
import com.jme3.math.Vector3f;
import java.io.IOException;
/**
* An element of a CompoundCollisionShape, consisting of a (non-compound) child
* shape, offset and rotated with respect to its parent.
*
* This class is shared between JBullet and Native Bullet.
*
* @author normenhansen
*/
public class ChildCollisionShape implements Savable {
/**
* translation relative to parent shape (not null)
*/
public Vector3f location;
/**
* rotation relative to parent shape (not null)
*/
public Matrix3f rotation;
/**
* base shape (not null, not a compound shape)
*/
public CollisionShape shape;
/**
* No-argument constructor needed by SavableClassUtil. Do not invoke
* directly!
*/
protected ChildCollisionShape() {
}
/**
* Instantiate a child shape for use in a compound shape.
*
* @param location translation relative to the parent (not null, alias
* created)
* @param rotation rotation relative to the parent (not null, alias created)
* @param shape the base shape (not null, not a compound shape, alias
* created)
*/
public ChildCollisionShape(Vector3f location, Matrix3f rotation, CollisionShape shape) {
this.location = location;
this.rotation = rotation;
this.shape = shape;
}
/**
* Serialize this shape, for example when saving to a J3O file.
*
* @param ex exporter (not null)
* @throws IOException from exporter
*/
public void write(JmeExporter ex) throws IOException {
OutputCapsule capsule = ex.getCapsule(this);
capsule.write(location, "location", new Vector3f());
capsule.write(rotation, "rotation", new Matrix3f());
capsule.write(shape, "shape", new BoxCollisionShape(new Vector3f(1, 1, 1)));
}
/**
* De-serialize this shape, for example when loading from a J3O file.
*
* @param im importer (not null)
* @throws IOException from importer
*/
public void read(JmeImporter im) throws IOException {
InputCapsule capsule = im.getCapsule(this);
location = (Vector3f) capsule.readSavable("location", new Vector3f());
rotation = (Matrix3f) capsule.readSavable("rotation", new Matrix3f());
shape = (CollisionShape) capsule.readSavable("shape", new BoxCollisionShape(new Vector3f(1, 1, 1)));
}
}