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package tesseract.objects;
import java.util.ArrayList;
import java.util.List;
import javax.media.j3d.GeometryArray;
import javax.media.j3d.Node;
import javax.media.j3d.Shape3D;
import javax.vecmath.Vector3f;
import alden.CollidableObject;
import alden.CollisionInfo;
import com.sun.j3d.utils.geometry.Primitive;
/**
* This class is the parent of all objects in the world.
*
* Note: The constructor of a child class must add its shape
* to the transform group for it to be visible.
*
* @author Jesse Morgan
*/
public class PhysicalObject extends CollidableObject {
public PhysicalObject(final Vector3f thePosition, final float mass) {
super(mass);
this.position.set(thePosition);
}
public List<PhysicalObject> spawnChildren(final float duration) {
return null;
}
public void addForce(final Vector3f force) {
this.forceAccumulator.add(force);
}
public void updateState(final float duration) {
super.updateState(duration);
this.updateTransformGroup();
}
public void setShape(final Node node) {
node.setCapability(javax.media.j3d.Node.ALLOW_BOUNDS_READ);
node.setCapability(javax.media.j3d.Node.ALLOW_LOCAL_TO_VWORLD_READ);
if (node instanceof Primitive) {
Primitive prim = (Primitive) node;
int index = 0;
Shape3D shape;
while ((shape = prim.getShape(index++)) != null) {
shape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
shape.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
shape.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
for (int i = 0; i < shape.numGeometries(); i++) {
shape.getGeometry(i).setCapability(
GeometryArray.ALLOW_COUNT_READ);
shape.getGeometry(i).setCapability(
GeometryArray.ALLOW_COORDINATE_READ);
}
}
}
super.setShape(node);
}
public void resolveCollisions(final PhysicalObject other) {
if (this.node != null && other.node != null) {
super.resolveCollisions(other);
}
}
}
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