public GLShader(PApplet pa) {
// pgl = (PGraphicsOpenGL)pa.g;
gl = PlatformUtil.getGL20();
if (this.gl == null) {
System.out.println("Shaders not supported");
}
System.out.println("GLSL Version : " + gl.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION));
String extensions = gl.glGetString(GL20.GL_EXTENSIONS);
vertexShaderSupported = extensions.indexOf("GL_ARB_vertex_shader") != -1;
vertexShaderEnabled = true;
glslProgram = gl.glCreateProgram();
vertexShader = -1;
fragmentShader = -1;
}
/**
* Instantiates a new model display scene.
*
* @param mtApplication the mt application
* @param name the name
*/
public Space3DScene(AbstractMTApplication mtApplication, String name) {
super(mtApplication, name);
this.pa = mtApplication;
if (!MT4jSettings.getInstance().isOpenGlMode()) {
System.err.println("Scene only usable when using the OpenGL renderer! - See settings.txt");
return;
}
this.setClearColor(new MTColor(200, 200, 200, 255));
this.registerGlobalInputProcessor(new CursorTracer(pa, this));
// Add a background image for the scene
this.getCanvas()
.addChild(new MTBackgroundImage(pa, pa.loadImage(imagesPath + "3040.jpg"), true));
// Init light settings
MTLight.enableLightningAndAmbient(pa, 150, 150, 150, 255);
// Create a light source //I think GL_LIGHT0 is used by processing!
// MTLight light = new MTLight(pa, GL.GL_LIGHT3, new Vector3D(0,0,0));
MTLight light = new MTLight(pa, GL.GL_LIGHT3, new Vector3D(pa.width / 5f, -pa.height / 10f, 0));
// Set up a material to react to the light
GLMaterial material = new GLMaterial(PlatformUtil.getGL());
material.setAmbient(new float[] {.1f, .1f, .1f, 1f});
material.setDiffuse(new float[] {1.0f, 1.0f, 1.0f, 1f});
material.setEmission(new float[] {.0f, .0f, .0f, 1f});
material.setSpecular(new float[] {1.0f, 1.0f, 1.0f, 1f}); // almost white: very reflective
material.setShininess(127); // 0=no shine, 127=max shine
// Create the earth
earth = new MTSphere(pa, "earth", 40, 40, 80, TextureMode.Projected); // TextureMode.Polar);
earth.setLight(light);
earth.setMaterial(material);
earth.rotateX(earth.getCenterPointRelativeToParent(), -90);
earth.setTexture(
new GLTexture(
pa,
imagesPath + "worldMap.jpg",
new GLTextureSettings(
TEXTURE_TARGET.TEXTURE_2D,
SHRINKAGE_FILTER.Trilinear,
EXPANSION_FILTER.Bilinear,
WRAP_MODE.CLAMP_TO_EDGE,
WRAP_MODE.CLAMP_TO_EDGE)));
earth.generateAndUseDisplayLists();
earth.setPositionGlobal(
new Vector3D(
pa.width / 2f,
pa.height / 2f,
250)); // earth.setPositionGlobal(new Vector3D(200, 200, 250));
// Animate earth rotation
new Animation(
"rotation animation", new MultiPurposeInterpolator(0, 360, 17000, 0, 1, -1), earth)
.addAnimationListener(
new IAnimationListener() {
public void processAnimationEvent(AnimationEvent ae) {
earth.rotateY(earth.getCenterPointLocal(), ae.getDelta(), TransformSpace.LOCAL);
}
})
.start();
// Put planets in a group that can be manipulated by gestures
// so the rotation of the planets doesent get changed by the gestures
MTComponent group = new MTComponent(mtApplication);
group.setComposite(
true); // This makes the group "consume" all picking and gestures of the children
group.registerInputProcessor(new DragProcessor(mtApplication));
group.addGestureListener(DragProcessor.class, new DefaultDragAction());
group.addGestureListener(DragProcessor.class, new InertiaDragAction(80, 0.8f, 10));
group.registerInputProcessor(new RotateProcessor(mtApplication));
group.addGestureListener(RotateProcessor.class, new DefaultRotateAction());
// Scale the earth from the center. Else it might get distorted
group.registerInputProcessor(new ScaleProcessor(mtApplication));
group.addGestureListener(
ScaleProcessor.class,
new IGestureEventListener() {
public boolean processGestureEvent(MTGestureEvent ge) {
ScaleEvent se = (ScaleEvent) ge;
earth.scaleGlobal(
se.getScaleFactorX(),
se.getScaleFactorY(),
se.getScaleFactorX(),
earth.getCenterPointGlobal());
return false;
}
});
this.getCanvas().addChild(group);
group.addChild(earth);
// Create the moon
final MTSphere moonSphere = new MTSphere(pa, "moon", 35, 35, 25, TextureMode.Polar);
moonSphere.setMaterial(material);
moonSphere.translate(new Vector3D(earth.getRadius() + moonSphere.getRadius() + 50, 0, 0));
moonSphere.setTexture(
new GLTexture(
pa,
imagesPath + "moonmap1k.jpg",
new GLTextureSettings(
TEXTURE_TARGET.RECTANGULAR,
SHRINKAGE_FILTER.Trilinear,
EXPANSION_FILTER.Bilinear,
WRAP_MODE.CLAMP_TO_EDGE,
WRAP_MODE.CLAMP_TO_EDGE)));
moonSphere.generateAndUseDisplayLists();
moonSphere.unregisterAllInputProcessors();
// Rotate the moon around the earth
new Animation(
"moon animation", new MultiPurposeInterpolator(0, 360, 12000, 0, 1, -1), moonSphere)
.addAnimationListener(
new IAnimationListener() {
public void processAnimationEvent(AnimationEvent ae) {
moonSphere.rotateZ(
earth.getCenterPointLocal(), ae.getDelta(), TransformSpace.RELATIVE_TO_PARENT);
}
})
.start();
// Rotate the moon around ints own center
new Animation(
"moon animation around own axis",
new MultiPurposeInterpolator(0, 360, 9000, 0, 1, -1),
moonSphere)
.addAnimationListener(
new IAnimationListener() {
public void processAnimationEvent(AnimationEvent ae) {
moonSphere.rotateZ(
moonSphere.getCenterPointLocal(), -3 * ae.getDelta(), TransformSpace.LOCAL);
moonSphere.rotateY(
moonSphere.getCenterPointLocal(), 0.5f * ae.getDelta(), TransformSpace.LOCAL);
}
})
.start();
earth.addChild(moonSphere);
}
