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mirror of https://github.com/Dejvino/roadtrip synced 2024-11-13 04:27:30 +00:00

Added HideControl to hide eye-candy objects in the distance.

This commit is contained in:
Dejvino 2017-01-28 01:29:45 +01:00
parent d3c6b622f7
commit 6214ff34e8
3 changed files with 79 additions and 1 deletions

View File

@ -18,7 +18,7 @@ public class RoadTripPlanner extends SimpleApplication {
app.start();
}
public static boolean DEBUG = /*false;/*/true;/**/
public static boolean DEBUG = !true;/**/
protected BulletAppState bulletAppState;
private GameWorldState gameWorldState;

View File

@ -264,6 +264,7 @@ public class GameWorldView {
}
modelInstance.setLocalTranslation(pos);
modelInstance.setLocalScale(scale);
modelInstance.addControl(new HideControl());
objects.attachChild(modelInstance);
}
}

View File

@ -0,0 +1,77 @@
package roadtrip.view;
import java.util.ArrayList;
import com.jme3.bounding.BoundingVolume;
import com.jme3.renderer.Camera;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.control.AbstractControl;
import com.jme3.scene.control.Control;
public class HideControl extends AbstractControl
{
private static final float DISTANCE_HIDE = 200;
private ArrayList<Spatial> children;
private boolean hidden;
private BoundingVolume prevBv;
@Override
public Control cloneForSpatial(Spatial spatial)
{
// TODO
return null;
}
@Override
protected void controlRender(RenderManager rm, ViewPort vp)
{
Camera cam = vp.getCamera();
BoundingVolume bv = spatial.getWorldBound();
if (bv == null) {
bv = prevBv;
} else {
prevBv = bv;
}
float distance = bv.distanceTo(cam.getLocation());
if (distance > HideControl.DISTANCE_HIDE) {
if (!hidden) {
for (int i = 0; i < children.size(); i++) {
children.get(i).removeFromParent();
}
spatial.updateGeometricState();
hidden = true;
}
} else {
if (hidden) {
for (int i = 0; i < children.size(); i++) {
((Node) spatial).attachChild(children.get(i));
}
}
spatial.updateGeometricState();
hidden = false;
}
}
@Override
protected void controlUpdate(float tpf)
{
}
@Override
public void setSpatial(Spatial spatial)
{
if (!(spatial instanceof Node)) {
throw new IllegalArgumentException("only Node type is supported");
}
super.setSpatial(spatial);
children = new ArrayList<>(((Node) spatial).getChildren());
}
}