use of org.fxyz.shapes.primitives.helper.InterpolateBezier in project FXyzLib by Birdasaur.
the class BezierTest method start.
@Override
public void start(Stage primaryStage) throws Exception {
Group sceneRoot = new Group();
Scene scene = new Scene(sceneRoot, sceneWidth, sceneHeight, true, SceneAntialiasing.BALANCED);
scene.setFill(Color.BLACK);
camera = new PerspectiveCamera(true);
//setup camera transform for rotational support
cameraTransform.setTranslate(0, 0, 0);
cameraTransform.getChildren().add(camera);
camera.setNearClip(0.1);
camera.setFarClip(10000.0);
camera.setTranslateZ(-10);
cameraTransform.ry.setAngle(-45.0);
cameraTransform.rx.setAngle(-10.0);
//add a Point Light for better viewing of the grid coordinate system
PointLight light = new PointLight(Color.WHITE);
cameraTransform.getChildren().add(light);
cameraTransform.getChildren().add(new AmbientLight(Color.WHITE));
light.setTranslateX(camera.getTranslateX());
light.setTranslateY(camera.getTranslateY());
light.setTranslateZ(camera.getTranslateZ());
scene.setCamera(camera);
rotateY = new Rotate(0, 0, 0, 0, Rotate.Y_AXIS);
Group group = new Group();
group.getChildren().add(cameraTransform);
// List<Point3D> knots=Arrays.asList(new Point3D(0f,0f,0f),new Point3D(3f,0f,2f),
// new Point3D(5f,2f,3f),new Point3D(7f,-3f,0f),new Point3D(6f,-1f,-4f));
List<Point3D> knots = Arrays.asList(new Point3D(3f, 0f, 0f), new Point3D(0.77171f, 1.68981f, 0.989821f), new Point3D(-0.681387f, 0.786363f, -0.281733f), new Point3D(-2.31757f, -0.680501f, -0.909632f), new Point3D(-0.404353f, -2.81233f, 0.540641f), new Point3D(1.1316f, -0.727237f, 0.75575f), new Point3D(1.1316f, 0.727237f, -0.75575f), new Point3D(-0.404353f, 2.81233f, -0.540641f), new Point3D(-2.31757f, 0.680501f, 0.909632f), new Point3D(-0.681387f, -0.786363f, 0.281733f), new Point3D(0.77171f, -1.68981f, -0.989821f), new Point3D(3f, 0f, 0f));
boolean showControlPoints = true;
boolean showKnots = true;
InterpolateBezier interpolate = new InterpolateBezier(knots);
beziers = new ArrayList<>();
AtomicInteger sp = new AtomicInteger();
if (showKnots || showControlPoints) {
interpolate.getSplines().forEach(spline -> {
Point3D k0 = spline.getPoints().get(0);
Point3D k1 = spline.getPoints().get(1);
Point3D k2 = spline.getPoints().get(2);
Point3D k3 = spline.getPoints().get(3);
if (showKnots) {
Sphere s = new Sphere(0.2d);
s.getTransforms().add(new Translate(k0.x, k0.y, k0.z));
s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
group.getChildren().add(s);
s = new Sphere(0.2d);
s.getTransforms().add(new Translate(k3.x, k3.y, k3.z));
s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
group.getChildren().add(s);
}
if (showControlPoints) {
PrismMesh c = new PrismMesh(0.03d, 1d, 1, k0, k1);
c.setTextureModeNone(Color.GREEN);
group.getChildren().add(c);
c = new PrismMesh(0.03d, 1d, 1, k1, k2);
c.setTextureModeNone(Color.GREEN);
group.getChildren().add(c);
c = new PrismMesh(0.03d, 1d, 1, k2, k3);
c.setTextureModeNone(Color.GREEN);
group.getChildren().add(c);
Sphere s = new Sphere(0.1d);
s.getTransforms().add(new Translate(k1.x, k1.y, k1.z));
s.setMaterial(new PhongMaterial(Color.RED));
group.getChildren().add(s);
s = new Sphere(0.1d);
s.getTransforms().add(new Translate(k2.x, k2.y, k2.z));
s.setMaterial(new PhongMaterial(Color.RED));
group.getChildren().add(s);
}
});
}
long time = System.currentTimeMillis();
interpolate.getSplines().stream().forEach(spline -> {
BezierMesh bezier = new BezierMesh(spline, 0.1d, 300, 20, 0, 0);
bezier.setTextureModeVertices1D(1530, t -> spline.getKappa(t.doubleValue()));
bezier.getTransforms().addAll(new Rotate(0, Rotate.X_AXIS), rotateY);
beziers.add(bezier);
});
//43.815->25.606->15
System.out.println("time: " + (System.currentTimeMillis() - time));
group.getChildren().addAll(beziers);
sceneRoot.getChildren().addAll(group);
//First person shooter keyboard movement
scene.setOnKeyPressed(event -> {
double change = 10.0;
if (event.isShiftDown()) {
change = 50.0;
}
KeyCode keycode = event.getCode();
if (keycode == KeyCode.W) {
camera.setTranslateZ(camera.getTranslateZ() + change);
}
if (keycode == KeyCode.S) {
camera.setTranslateZ(camera.getTranslateZ() - change);
}
if (keycode == KeyCode.A) {
camera.setTranslateX(camera.getTranslateX() - change);
}
if (keycode == KeyCode.D) {
camera.setTranslateX(camera.getTranslateX() + change);
}
});
scene.setOnMousePressed((MouseEvent me) -> {
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseOldX = me.getSceneX();
mouseOldY = me.getSceneY();
});
scene.setOnMouseDragged((MouseEvent me) -> {
mouseOldX = mousePosX;
mouseOldY = mousePosY;
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseDeltaX = (mousePosX - mouseOldX);
mouseDeltaY = (mousePosY - mouseOldY);
double modifier = 10.0;
double modifierFactor = 0.1;
if (me.isControlDown()) {
modifier = 0.1;
}
if (me.isShiftDown()) {
modifier = 50.0;
}
if (me.isPrimaryButtonDown()) {
// +
cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
// -
cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
} else if (me.isSecondaryButtonDown()) {
double z = camera.getTranslateZ();
double newZ = z + mouseDeltaX * modifierFactor * modifier;
camera.setTranslateZ(newZ);
} else if (me.isMiddleButtonDown()) {
// -
cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3);
// -
cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3);
}
});
lastEffect = System.nanoTime();
AtomicInteger count = new AtomicInteger();
AnimationTimer timerEffect = new AnimationTimer() {
@Override
public void handle(long now) {
if (now > lastEffect + 1_000_000_000l) {
// Point3D loc = knot.getPositionAt((count.get()%100)*2d*Math.PI/100d);
// Point3D dir = knot.getTangentAt((count.get()%100)*2d*Math.PI/100d);
// cameraTransform.t.setX(loc.x);
// cameraTransform.t.setY(loc.y);
// cameraTransform.t.setZ(-loc.z);
// javafx.geometry.Point3D axis = cameraTransform.rx.getAxis();
// javafx.geometry.Point3D cross = axis.crossProduct(-dir.x,-dir.y,-dir.z);
// double angle = axis.angle(-dir.x,-dir.y,-dir.z);
// cameraTransform.rx.setAngle(angle);
// cameraTransform.rx.setAxis(new javafx.geometry.Point3D(cross.getX(),-cross.getY(),cross.getZ()));
// dens = p->(float)(p.x*Math.cos(count.get()%100d*2d*Math.PI/50d)+p.y*Math.sin(count.get()%100d*2d*Math.PI/50d));
func = t -> Math.pow(t.doubleValue(), (count.get() % 5d));
beziers.forEach(b -> b.setFunction(func));
// knot.setP(1+(count.get()%5));
// knot.setQ(2+(count.get()%15));
// if(count.get()%100<50){
// knot.setDrawMode(DrawMode.LINE);
// } else {
// knot.setDrawMode(DrawMode.FILL);
// }
// beziers.forEach(b->b.setColors((int)Math.pow(2,count.get()%16)));
// beziers.forEach(b->b.setWireRadius(0.1d+(count.get()%6)/10d));
// beziers.forEach(b->b.setPatternScale(1d+(count.get()%10)*3d));
// beziers.forEach(b->b.setSectionType(SectionType.values()[count.get()%SectionType.values().length]));
count.getAndIncrement();
lastEffect = now;
}
}
};
primaryStage.setTitle("F(X)yz - Bezier Splines");
primaryStage.setScene(scene);
primaryStage.show();
timerEffect.start();
}
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