/**
* 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.renderer;
import com.ardor3d.example.ExampleBase;
import com.ardor3d.example.Purpose;
import com.ardor3d.image.Texture;
import com.ardor3d.image.Texture.ApplyMode;
import com.ardor3d.image.util.TextureProjector;
import com.ardor3d.math.ColorRGBA;
import com.ardor3d.math.MathUtils;
import com.ardor3d.math.Matrix3;
import com.ardor3d.math.Matrix4;
import com.ardor3d.math.Vector3;
import com.ardor3d.renderer.state.TextureState;
import com.ardor3d.scenegraph.shape.Quad;
import com.ardor3d.scenegraph.shape.Teapot;
import com.ardor3d.util.ReadOnlyTimer;
import com.ardor3d.util.TextureManager;
/**
* Illustrates the TextureProjector class, which projects a two-dimensional texture onto a three-dimensional surface.
*/
@Purpose(htmlDescriptionKey = "com.ardor3d.example.renderer.TextureProjectionExample", //
thumbnailPath = "com/ardor3d/example/media/thumbnails/renderer_TextureProjectionExample.jpg", //
maxHeapMemory = 64)
public class TextureProjectionExample extends ExampleBase {
private final TextureProjector projector = new TextureProjector();
private Texture projectedTexture;
Vector3 projectLoc = new Vector3();
Vector3 projectTarget = new Vector3();
public static void main(final String[] args) {
start(TextureProjectionExample.class);
}
@Override
protected void updateExample(final ReadOnlyTimer timer) {
projectLoc.set(
MathUtils.sin(timer.getTimeInSeconds() - MathUtils.PI)
* (MathUtils.sin(timer.getTimeInSeconds() * 1.1) * 15.0 + 20.0),
MathUtils.sin(timer.getTimeInSeconds() * 0.7 - MathUtils.PI) * 10.0 + 30.0,
MathUtils.cos(timer.getTimeInSeconds() * 0.4 - MathUtils.PI)
* (MathUtils.sin(timer.getTimeInSeconds()) * 15.0 + 20.0));
projectTarget.set(
MathUtils.sin(timer.getTimeInSeconds() * 0.4)
* (MathUtils.sin(timer.getTimeInSeconds() * 0.7) * 10.0 + 10.0), 0.0,
MathUtils.cos(timer.getTimeInSeconds() * 0.3)
* (MathUtils.sin(timer.getTimeInSeconds() * 0.8) * 10.0 + 10.0));
// update texture matrix
projector.setLocation(projectLoc);
projector.lookAt(projectTarget, Vector3.UNIT_Y);
projector.updateTextureMatrix(projectedTexture);
}
@Override
protected void initExample() {
_canvas.setTitle("Ardor3D: Texture Projection Example");
_canvas.getCanvasRenderer().getCamera().setLocation(20, 40, 80);
_canvas.getCanvasRenderer().getCamera().lookAt(0, 0, 0, Vector3.UNIT_Y);
projector.setFrustumPerspective(20.0f, 1.0f, 1.0f, 1000.0f);
final Quad floor = new Quad("floor", 100, 100);
floor.setRotation(new Matrix3().fromAngleNormalAxis(MathUtils.HALF_PI, Vector3.UNIT_X));
_root.attachChild(floor);
final Teapot teapot = new Teapot("teapot");
teapot.setScale(5);
_root.attachChild(teapot);
// Add a texture to the scene.
final TextureState ts = new TextureState();
projectedTexture = TextureManager.load("images/ardor3d_white_256.jpg", Texture.MinificationFilter.Trilinear,
true);
ts.setTexture(projectedTexture);
projectedTexture.setTextureMatrix(new Matrix4());
projectedTexture.setWrap(Texture.WrapMode.BorderClamp);
projectedTexture.setEnvironmentalMapMode(Texture.EnvironmentalMapMode.EyeLinear);
projectedTexture.setApply(ApplyMode.Add);
projectedTexture.setConstantColor(ColorRGBA.WHITE);
_root.setRenderState(ts);
}
}