/**
* 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.ui;
import java.util.List;
import java.util.Random;
import java.util.concurrent.Callable;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.framework.CanvasRenderer;
import com.ardor3d.math.ColorRGBA;
import com.ardor3d.math.Matrix3;
import com.ardor3d.math.Vector3;
import com.ardor3d.renderer.RenderContext;
import com.ardor3d.renderer.Renderer;
import com.ardor3d.renderer.state.CullState;
import com.ardor3d.renderer.state.CullState.Face;
import com.ardor3d.renderer.state.MaterialState;
import com.ardor3d.renderer.state.MaterialState.ColorMaterial;
import com.ardor3d.scenegraph.Node;
import com.ardor3d.scenegraph.controller.SpatialController;
import com.ardor3d.scenegraph.shape.Box;
import com.ardor3d.ui.text.BMFont;
import com.ardor3d.ui.text.BMText;
import com.ardor3d.ui.text.BMText.AutoFade;
import com.ardor3d.ui.text.BMText.AutoScale;
import com.ardor3d.util.GameTaskQueue;
import com.ardor3d.util.GameTaskQueueManager;
/**
* Illustrates how to modify text properties (e.g. font, color, alignment) and display on a canvas.
*/
@Purpose(htmlDescriptionKey = "com.ardor3d.example.ui.BMTextExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/ui_BMTextExample.jpg", //
maxHeapMemory = 64)
public class BMTextExample extends ExampleBase {
private final Matrix3 rotate = new Matrix3();
public static void main(final String[] args) {
start(BMTextExample.class);
}
@Override
protected void initExample() {
_canvas.setTitle("BMFont Text Example");
final ColorRGBA backgroundColor = new ColorRGBA(0.3f, 0.3f, 0.5f, 1);
final CanvasRenderer canvasRenderer = _canvas.getCanvasRenderer();
final RenderContext renderContext = canvasRenderer.getRenderContext();
final Renderer renderer = canvasRenderer.getRenderer();
GameTaskQueueManager.getManager(renderContext).getQueue(GameTaskQueue.RENDER).enqueue(new Callable<Void>() {
@Override
public Void call() throws Exception {
renderer.setBackgroundColor(backgroundColor);
return null;
}
});
final MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Diffuse);
_root.setRenderState(ms);
addTextTestNodes(_root);
}
/**
*
* @param topNode
*/
// -----------------------------------------------------
void addTextTestNodes(final Node topNode) {
final Node zup = new Node("zup");
rotate.fromAngleNormalAxis(-Math.PI / 2, Vector3.UNIT_X);
zup.setRotation(rotate);
final Node textMoveNode = new Node("textModeNode");
final CullState cs = new CullState();
cs.setCullFace(Face.Back);
textMoveNode.setRenderState(cs);
final Node textExampleNode = new Node("textExampleNode");
textExampleNode.setTranslation(0, 0, 0);
final double a = 9.0;
final double b = 4.5;
newBox(textExampleNode, 0, 1, 0);
newBox(textExampleNode, -a, 1, -b);
newBox(textExampleNode, -a, 1, b);
newBox(textExampleNode, a, 1, b);
newBox(textExampleNode, a, 1, -b);
topNode.attachChild(zup);
zup.attachChild(textMoveNode);
textMoveNode.attachChild(textExampleNode);
final SpatialController<BMText> fontChanger = createFontChanger();
final SpatialController<Node> nodeMover = createNodeMover();
textMoveNode.addController(nodeMover);
final BMFont font = BMFontLoader.defaultFont();
final String initialString = font.getStyleName() + "\nThe Quick Brown Fox...";
final double fontScale = 1.0;
if (true) {
final BMText text = new BMText("textSpatial1", initialString, font, BMText.Align.SouthWest,
BMText.Justify.Right);
text.setFontScale(fontScale);
text.setAutoFade(AutoFade.CapScreenSize);
text.setAutoFadeFalloff(1.0f);
text.setAutoScale(AutoScale.CapScreenSize);
text.setAutoRotate(true);
textExampleNode.attachChild(text);
text.addController(fontChanger);
}
if (true) {
final BMText text = new BMText("textSpatial2", initialString, font, BMText.Align.SouthEast,
BMText.Justify.Left);
text.setFontScale(fontScale);
text.setAutoFade(AutoFade.FixedPixelSize);
text.setAutoFadeFalloff(0.5f);
text.setAutoFadeFixedPixelSize(15);
text.setAutoScale(AutoScale.CapScreenSize);
text.setAutoRotate(true);
textExampleNode.attachChild(text);
text.addController(fontChanger);
}
if (true) {
final BMText text = new BMText("textSpatial3", initialString, font, BMText.Align.NorthEast,
BMText.Justify.Left);
text.setFontScale(fontScale);
text.setAutoFade(AutoFade.Off);
text.setAutoScale(AutoScale.FixedScreenSize);
text.setAutoRotate(true);
textExampleNode.attachChild(text);
text.addController(fontChanger);
}
if (true) {
final BMText text = new BMText("textSpatial4", initialString, font, BMText.Align.NorthWest,
BMText.Justify.Center);
text.setFontScale(fontScale);
text.setAutoFade(AutoFade.DistanceRange);
text.setAutoFadeDistanceRange(10, 100); // start fading distance to camera > 10
text.setAutoScale(AutoScale.Off);
text.setAutoRotate(true);
textExampleNode.attachChild(text);
text.addController(fontChanger);
}
}
/**
*
* @param text
* the text object
* @return the proper contents to use for our text object.
*/
// -----------------------------------------------------
String testDisplayString(final BMText text) {
return text.getFont().getStyleName() + "\n" + // -------------------
"justify[" + text.getJustify().toString() + "]\n" + // -----
"scale [" + text.getAutoScale().toString() + "]\n" + // ---
"fade [" + text.getAutoFade().toString() + "]\n" + // ----
"align [" + text.getAlign().toString() + "]\n" + // -------
"The Quick Brown Fox \nJumps over the Lazy Dog.";
}
/**
*
*/
// -----------------------------------------------------
SpatialController<BMText> createFontChanger() {
final SpatialController<BMText> fontChanger = new SpatialController<BMText>() {
final Random rand = new Random();
final int changeInterval = 20000;
final List<BMFont> fonts = BMFontLoader.allFonts();
public void update(final double time, final BMText text) {
final int t = (int) (System.currentTimeMillis() / changeInterval);
final int index = t % fonts.size();
if (!fonts.get(index).equals(text.getFont())) {
if (rand.nextDouble() < 0.15) {
text.setAutoRotate(false);
} else {
text.setAutoRotate(true);
}
if (rand.nextDouble() < 0.5) {
final ColorRGBA clr = new ColorRGBA(rand.nextFloat(), rand.nextFloat(), rand.nextFloat(), 1);
text.setTextColor(clr);
} else {
text.setTextColor(ColorRGBA.WHITE);
}
text.setFont(fonts.get(index));
text.setText(testDisplayString(text));
}
}
};
return fontChanger;
}
/**
*
*/
// -----------------------------------------------------
private SpatialController<Node> createNodeMover() {
final SpatialController<Node> nodeMover = new SpatialController<Node>() {
Matrix3 rot = new Matrix3();
public void update(final double time, final Node caller) {
final long t = System.currentTimeMillis();
final double s = Math.cos(t * Math.PI / 10000.0);
final double y = 60 + s * 65;
caller.setTranslation(0.5, y, 0);
rot.fromAngleNormalAxis(-(t / 1000.0) % (2 * Math.PI), Vector3.UNIT_Z);
caller.setRotation(rot);
}
};
return nodeMover;
}
/**
*
*/
// -----------------------------------------------------
void newBox(final Node parent, final double x, final double y, final double z) {
final float sz = 3;
final Box box = new Box("box", new Vector3(Vector3.ZERO), new Vector3(sz, sz, sz));
box.setTranslation(x, y, z);
// box.setRandomColors();
parent.attachChild(box);
}
}