/**
* Copyright (c) 2008-2012 Ardor Labs, Inc.
*
* This file is part of Ardor3D.
*
* Ardor3D is free software: you can redistribute it and/or modify it
* under the terms of its license which may be found in the accompanying
* LICENSE file or at <http://www.ardor3d.com/LICENSE>.
*/
package com.ardor3d.example.effect;
import com.ardor3d.bounding.BoundingBox;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.framework.Canvas;
import com.ardor3d.image.Texture;
import com.ardor3d.input.Key;
import com.ardor3d.input.logical.InputTrigger;
import com.ardor3d.input.logical.KeyPressedCondition;
import com.ardor3d.input.logical.TriggerAction;
import com.ardor3d.input.logical.TwoInputStates;
import com.ardor3d.math.MathUtils;
import com.ardor3d.math.Vector3;
import com.ardor3d.renderer.queue.RenderBucketType;
import com.ardor3d.renderer.state.MaterialState;
import com.ardor3d.renderer.state.TextureState;
import com.ardor3d.renderer.state.MaterialState.ColorMaterial;
import com.ardor3d.scenegraph.Node;
import com.ardor3d.scenegraph.extension.QuadImposterNode;
import com.ardor3d.scenegraph.hint.LightCombineMode;
import com.ardor3d.scenegraph.shape.Box;
import com.ardor3d.scenegraph.shape.Teapot;
import com.ardor3d.scenegraph.shape.Torus;
import com.ardor3d.scenegraph.visitor.UpdateModelBoundVisitor;
import com.ardor3d.ui.text.BasicText;
import com.ardor3d.util.TextureManager;
/**
* A demonstration of the QuadImposterNode class; which sets the texture level of detail for a Node.
*/
@Purpose(htmlDescriptionKey = "com.ardor3d.example.effect.QuadImposterExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/effect_QuadImposterExample.jpg", //
maxHeapMemory = 64)
public class QuadImposterExample extends ExampleBase {
private boolean showImposter = true;
public static void main(final String[] args) {
start(QuadImposterExample.class);
}
@Override
protected void initExample() {
_canvas.setTitle("Various size imposters - Example");
_canvas.getCanvasRenderer().getCamera().setLocation(new Vector3(0, 60, 80));
_canvas.getCanvasRenderer().getCamera().lookAt(new Vector3(), Vector3.UNIT_Y);
final BasicText keyText = BasicText.createDefaultTextLabel("Text", "[SPACE] Switch imposters off");
keyText.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
keyText.getSceneHints().setLightCombineMode(LightCombineMode.Off);
keyText.setTranslation(new Vector3(0, 20, 0));
_root.attachChild(keyText);
final Box box = new Box("Box", new Vector3(), 150, 1, 150);
box.setModelBound(new BoundingBox());
box.setTranslation(new Vector3(0, -10, 0));
_root.attachChild(box);
final QuadImposterNode imposter0 = new QuadImposterNode("Imposter1", 256, 256, _settings.getDepthBits(),
_settings.getSamples(), _timer);
imposter0.setRedrawRate(0.0); // No timed update
imposter0.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter0.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter0);
final Node scene1 = createModel();
scene1.setTranslation(0, 0, 0);
imposter0.attachChild(scene1);
final QuadImposterNode imposter1 = new QuadImposterNode("Imposter1", 128, 128, _settings.getDepthBits(),
_settings.getSamples(), _timer);
imposter1.setRedrawRate(0.0); // No timed update
imposter1.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter1.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter1);
final Node scene2 = createModel();
scene2.setTranslation(-15, 0, -25);
imposter1.attachChild(scene2);
final QuadImposterNode imposter2 = new QuadImposterNode("Imposter2", 64, 64, _settings.getDepthBits(),
_settings.getSamples(), _timer);
imposter2.setRedrawRate(0.0); // No timed update
imposter2.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter2.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter2);
final Node scene3 = createModel();
scene3.setTranslation(15, 0, -25);
imposter2.attachChild(scene3);
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.SPACE), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
showImposter = !showImposter;
if (showImposter) {
_root.detachChild(scene1);
_root.detachChild(scene2);
_root.detachChild(scene3);
imposter0.attachChild(scene1);
imposter1.attachChild(scene2);
imposter2.attachChild(scene3);
_root.attachChild(imposter0);
_root.attachChild(imposter1);
_root.attachChild(imposter2);
keyText.setText("[SPACE] Switch imposters off");
} else {
_root.detachChild(imposter0);
_root.detachChild(imposter1);
_root.detachChild(imposter2);
_root.attachChild(scene1);
_root.attachChild(scene2);
_root.attachChild(scene3);
keyText.setText("[SPACE] Switch imposters on");
}
}
}));
final TextureState ts = new TextureState();
ts.setEnabled(true);
ts.setTexture(TextureManager.load("images/ardor3d_white_256.jpg", Texture.MinificationFilter.Trilinear, true));
final MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Diffuse);
_root.setRenderState(ms);
_root.setRenderState(ts);
_root.acceptVisitor(new UpdateModelBoundVisitor(), false);
}
private Node createModel() {
final Node node = new Node("Node");
final Box box = new Box("Box", new Vector3(), 5, 5, 5);
box.setModelBound(new BoundingBox());
box.setTranslation(new Vector3(-3, 0, 0));
box.setRandomColors();
node.attachChild(box);
final Teapot teapot = new Teapot("Teapot");
teapot.setScale(2.0);
teapot.setTranslation(new Vector3(3, 0, 0));
node.attachChild(teapot);
final Torus torus = new Torus("Torus", 128, 128, 2, 4);
torus.setTranslation(new Vector3(-8, 3, 0));
node.attachChild(torus);
return node;
}
}