/*
* Copyright (C) 2013-2015 F(X)yz,
* Sean Phillips, Jason Pollastrini and Jose Pereda
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fxyz.tools;
import javafx.animation.AnimationTimer;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.geometry.Rectangle2D;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.SnapshotParameters;
import javafx.scene.SubScene;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.scene.input.KeyCode;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.Border;
import javafx.scene.layout.BorderStroke;
import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.layout.BorderWidths;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Translate;
import org.fxyz.cameras.CameraTransformer;
import org.fxyz.events.CloseCutawayEvent;
/**
* Builds upon base CameraView class but provides event handling for
* dragging and closing the cutaway
*
* @author Sean
*/
public final class Cutaway extends VBox {
private double mousePosX;
private double mousePosY;
private double mouseOldX;
private double mouseOldY;
private double mouseDeltaX;
private double mouseDeltaY;
private double cutawayPosX;
private double cutawayPosY;
private double cutawayOldX;
private double cutawayOldY;
private double cutawayDeltaX;
private double cutawayDeltaY;
private final SnapshotParameters params = new SnapshotParameters();
private WritableImage image = null;
private double startX = 0;
private double startY = 0;
public CameraTransformer cameraTransform = new CameraTransformer();
public PerspectiveCamera camera;
public Rotate rx = new Rotate(0,0,0,0,Rotate.X_AXIS),
ry = new Rotate(0,0,0,0,Rotate.X_AXIS),
rz = new Rotate(0,0,0,0,Rotate.X_AXIS);
public Translate t = new Translate(0,0,0);
private Group worldToView;
private AnimationTimer viewTimer = null;
public ImageView imageView = new ImageView();
private double controlSize = 15;
public Cutaway(SubScene scene, double width, double height) {
// Make sure "world" is a group
assert scene.getRoot().getClass().equals(Group.class);
setFillWidth(true);
setPrefSize(width, height+controlSize);
setMaxSize(width, height+controlSize);
this.setBorder(new Border(
new BorderStroke(Color.DARKKHAKI,
BorderStrokeStyle.SOLID,
new CornerRadii(25),
new BorderWidths(5)
)));
Rectangle closeSquare = new Rectangle(controlSize, controlSize, Color.LIGHTCORAL);
closeSquare.setOnMouseClicked((MouseEvent me) -> {
this.fireEvent(new CloseCutawayEvent(this));
});
Circle dragCircle = new Circle(controlSize/2, Color.STEELBLUE);
HBox top = new HBox(20,closeSquare,dragCircle);
dragCircle.setVisible(false);
StackPane.setAlignment(closeSquare, Pos.TOP_RIGHT);
StackPane.setMargin(closeSquare, new Insets(50));
top.setBackground(new Background(
new BackgroundFill(Color.KHAKI,
new CornerRadii(20,20,0,0,false),
Insets.EMPTY)));
top.setAlignment(Pos.TOP_RIGHT);
top.setOnMousePressed((MouseEvent me) -> {
cutawayPosX = me.getSceneX();
cutawayPosY = me.getSceneY();
cutawayOldX = me.getSceneX();
cutawayOldY = me.getSceneY();
});
top.setOnMouseDragged((MouseEvent me) -> {
cutawayOldX = cutawayPosX;
cutawayOldY = cutawayPosY;
cutawayPosX = me.getSceneX();
cutawayPosY = me.getSceneY();
cutawayDeltaX = (cutawayPosX - cutawayOldX);
cutawayDeltaY = (cutawayPosY - cutawayOldY);
setTranslateX(getTranslateX() + cutawayDeltaX);
setTranslateY(getTranslateY() + cutawayDeltaY);
});
getChildren().addAll(top,imageView);
worldToView = (Group)scene.getRoot();
camera = new PerspectiveCamera(true);
cameraTransform.getChildren().add(camera);
camera.setNearClip(0.1);
camera.setFarClip(15000.0);
camera.setTranslateZ(-1500);
params.setCamera(camera);
params.setDepthBuffer(true);
params.setFill(Color.rgb(0, 0, 0, 0.5));
viewTimer = new AnimationTimer() {
@Override
public void handle(long now) {
redraw();
}
};
setOnMouseEntered(e->{
requestFocus();
});
}
public void startViewing() {
viewTimer.start();
}
public void pause() {
viewTimer.stop();
}
public void setFirstPersonNavigationEabled(boolean b) {
if (b) {
// Navigation
setMouseTransparent(false);
//First person shooter keyboard movement
imageView.setOnKeyPressed(event -> {
double change = 10.0;
//Add shift modifier to simulate "Running Speed"
if(event.isShiftDown()) { change = 50.0; }
//What key did the user press?
KeyCode keycode = event.getCode();
//Step 2c: Add Zoom controls
if(keycode == KeyCode.W) { camera.setTranslateZ(camera.getTranslateZ() + change); }
if(keycode == KeyCode.S) { camera.setTranslateZ(camera.getTranslateZ() - change); }
//Step 2d: Add Strafe controls
if(keycode == KeyCode.A) { camera.setTranslateX(camera.getTranslateX() - change); }
if(keycode == KeyCode.D) { camera.setTranslateX(camera.getTranslateX() + change); }
});
imageView.setOnScroll((ScrollEvent event) -> {
event.consume();
if (event.getDeltaY() == 0) {
return;
}
double change = event.getDeltaY();
//Add shift modifier to simulate "Running Speed"
if (event.isShiftDown()) {
change *= 2;
}
camera.setTranslateZ(camera.getTranslateZ() + change);
});
imageView.setOnMousePressed((MouseEvent me) -> {
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseOldX = me.getSceneX();
mouseOldY = me.getSceneY();
});
imageView.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); // -
}
});
}else{
imageView.setOnMouseDragged(null);
imageView.setOnScroll(null);
imageView.setOnMousePressed(null);
imageView.setOnKeyPressed(null);
imageView.setMouseTransparent(true);
}
}
private void redraw() {
params.setViewport(new Rectangle2D(0, 0, imageView.getFitWidth(), imageView.getFitHeight()));
if (image == null
|| image.getWidth() != imageView.getFitWidth() || image.getHeight() != imageView.getFitHeight()) {
image = worldToView.snapshot(params, null);
} else {
worldToView.snapshot(params, image);
}
// set a clip to apply rounded border to the original image.
Rectangle clip = new Rectangle(
imageView.getFitWidth(), imageView.getFitHeight()
);
clip.setArcWidth(20);
clip.setArcHeight(20);
imageView.setClip(clip);
imageView.setImage(image);
}
public PerspectiveCamera getCamera() {
return camera;
}
public Rotate getRx() {
return rx;
}
public Rotate getRy() {
return ry;
}
public Rotate getRz() {
return rz;
}
public Translate getT() {
return t;
}
}
