Java tutorial
/* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. */ //package xylophone; import javafx.application.Application; import javafx.event.EventHandler; import javafx.geometry.Bounds; import javafx.scene.DepthTest; import javafx.scene.Group; import javafx.scene.PerspectiveCamera; import javafx.scene.Scene; import javafx.scene.input.KeyCode; import javafx.scene.input.KeyEvent; import javafx.scene.input.MouseEvent; import javafx.scene.media.AudioClip; import javafx.scene.paint.Color; import javafx.scene.paint.CycleMethod; import javafx.scene.paint.RadialGradient; import javafx.scene.paint.Stop; import javafx.scene.shape.RectangleBuilder; import javafx.scene.transform.Rotate; import javafx.scene.transform.Scale; import javafx.scene.transform.Shear; import javafx.scene.transform.Translate; import javafx.stage.Stage; public class Main extends Application { double mousePosX; double mousePosY; double mouseOldX; double mouseOldY; double mouseDeltaX; double mouseDeltaY; final Cam camOffset = new Cam(); final Cam cam = new Cam(); final Shear shear = new Shear(); class Cam extends Group { Translate t = new Translate(); Translate p = new Translate(); Translate ip = new Translate(); Rotate rx = new Rotate(); { rx.setAxis(Rotate.X_AXIS); } Rotate ry = new Rotate(); { ry.setAxis(Rotate.Y_AXIS); } Rotate rz = new Rotate(); { rz.setAxis(Rotate.Z_AXIS); } Scale s = new Scale(); public Cam() { super(); getTransforms().addAll(t, p, rx, rz, ry, s, ip); } } @Override public void start(final Stage stage) { stage.setTitle("Xylophone"); camOffset.getChildren().add(cam); resetCam(); final Scene scene = new Scene(camOffset, 800, 600, true); scene.setFill(new RadialGradient(225, 0.85, 300, 300, 500, false, CycleMethod.NO_CYCLE, new Stop[] { new Stop(0f, Color.BLUE), new Stop(1f, Color.LIGHTBLUE) })); scene.setCamera(new PerspectiveCamera()); final AudioClip bar1Note = new AudioClip(Main.class.getResource("audio/Note1.wav").toString()); final AudioClip bar2Note = new AudioClip(Main.class.getResource("audio/Note2.wav").toString()); final AudioClip bar3Note = new AudioClip(Main.class.getResource("audio/Note3.wav").toString()); final AudioClip bar4Note = new AudioClip(Main.class.getResource("audio/Note4.wav").toString()); final AudioClip bar5Note = new AudioClip(Main.class.getResource("audio/Note5.wav").toString()); final AudioClip bar6Note = new AudioClip(Main.class.getResource("audio/Note6.wav").toString()); final AudioClip bar7Note = new AudioClip(Main.class.getResource("audio/Note7.wav").toString()); final AudioClip bar8Note = new AudioClip(Main.class.getResource("audio/Note8.wav").toString()); Group rectangleGroup = new Group(); rectangleGroup.getTransforms().add(shear); rectangleGroup.setDepthTest(DepthTest.ENABLE); double xStart = 260.0; double xOffset = 30.0; double yPos = 300.0; double zPos = 0.0; double barWidth = 22.0; double barDepth = 7.0; // Base1 Cube base1Cube = new Cube(1.0, new Color(0.2, 0.12, 0.1, 1.0), 1.0); base1Cube.setTranslateX(xStart + 135); base1Cube.setTranslateZ(yPos + 20.0); base1Cube.setTranslateY(11.0); base1Cube.setScaleX(barWidth * 11.5); base1Cube.setScaleZ(10.0); base1Cube.setScaleY(barDepth * 2.0); // Base2 Cube base2Cube = new Cube(1.0, new Color(0.2, 0.12, 0.1, 1.0), 1.0); base2Cube.setTranslateX(xStart + 135); base2Cube.setTranslateZ(yPos - 20.0); base2Cube.setTranslateY(11.0); base2Cube.setScaleX(barWidth * 11.5); base2Cube.setScaleZ(10.0); base2Cube.setScaleY(barDepth * 2.0); // Bar1 Cube bar1Cube = new Cube(1.0, Color.PURPLE, 1.0); bar1Cube.setTranslateX(xStart + 1 * xOffset); bar1Cube.setTranslateZ(yPos); bar1Cube.setScaleX(barWidth); bar1Cube.setScaleZ(100.0); bar1Cube.setScaleY(barDepth); // Bar2 Cube bar2Cube = new Cube(1.0, Color.BLUEVIOLET, 1.0); bar2Cube.setTranslateX(xStart + 2 * xOffset); bar2Cube.setTranslateZ(yPos); bar2Cube.setScaleX(barWidth); bar2Cube.setScaleZ(95.0); bar2Cube.setScaleY(barDepth); // Bar3 Cube bar3Cube = new Cube(1.0, Color.BLUE, 1.0); bar3Cube.setTranslateX(xStart + 3 * xOffset); bar3Cube.setTranslateZ(yPos); bar3Cube.setScaleX(barWidth); bar3Cube.setScaleZ(90.0); bar3Cube.setScaleY(barDepth); // Bar4 Cube bar4Cube = new Cube(1.0, Color.GREEN, 1.0); bar4Cube.setTranslateX(xStart + 4 * xOffset); bar4Cube.setTranslateZ(yPos); bar4Cube.setScaleX(barWidth); bar4Cube.setScaleZ(85.0); bar4Cube.setScaleY(barDepth); // Bar5 Cube bar5Cube = new Cube(1.0, Color.GREENYELLOW, 1.0); bar5Cube.setTranslateX(xStart + 5 * xOffset); bar5Cube.setTranslateZ(yPos); bar5Cube.setScaleX(barWidth); bar5Cube.setScaleZ(80.0); bar5Cube.setScaleY(barDepth); // Bar6 Cube bar6Cube = new Cube(1.0, Color.YELLOW, 1.0); bar6Cube.setTranslateX(xStart + 6 * xOffset); bar6Cube.setTranslateZ(yPos); bar6Cube.setScaleX(barWidth); bar6Cube.setScaleZ(75.0); bar6Cube.setScaleY(barDepth); // Bar7 Cube bar7Cube = new Cube(1.0, Color.ORANGE, 1.0); bar7Cube.setTranslateX(xStart + 7 * xOffset); bar7Cube.setTranslateZ(yPos); bar7Cube.setScaleX(barWidth); bar7Cube.setScaleZ(70.0); bar7Cube.setScaleY(barDepth); // Bar8 Cube bar8Cube = new Cube(1.0, Color.RED, 1.0); bar8Cube.setTranslateX(xStart + 8 * xOffset); bar8Cube.setTranslateZ(yPos); bar8Cube.setScaleX(barWidth); bar8Cube.setScaleZ(65.0); bar8Cube.setScaleY(barDepth); bar1Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar1Note.play(); } }); bar2Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar2Note.play(); } }); bar3Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar3Note.play(); } }); bar4Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar4Note.play(); } }); bar5Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar5Note.play(); } }); bar6Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar6Note.play(); } }); bar7Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar7Note.play(); } }); bar8Cube.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { bar8Note.play(); } }); rectangleGroup.getChildren().addAll(base1Cube, base2Cube, bar1Cube, bar2Cube, bar3Cube, bar4Cube, bar5Cube, bar6Cube, bar7Cube, bar8Cube); rectangleGroup.setScaleX(2.5); rectangleGroup.setScaleY(2.5); rectangleGroup.setScaleZ(2.5); cam.getChildren().add(rectangleGroup); double halfSceneWidth = 375; // scene.getWidth()/2.0; double halfSceneHeight = 275; // scene.getHeight()/2.0; cam.p.setX(halfSceneWidth); cam.ip.setX(-halfSceneWidth); cam.p.setY(halfSceneHeight); cam.ip.setY(-halfSceneHeight); frameCam(stage, scene); scene.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { mousePosX = me.getX(); mousePosY = me.getY(); mouseOldX = me.getX(); mouseOldY = me.getY(); //System.out.println("scene.setOnMousePressed " + me); } }); scene.setOnMouseDragged(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { mouseOldX = mousePosX; mouseOldY = mousePosY; mousePosX = me.getX(); mousePosY = me.getY(); mouseDeltaX = mousePosX - mouseOldX; mouseDeltaY = mousePosY - mouseOldY; if (me.isAltDown() && me.isShiftDown() && me.isPrimaryButtonDown()) { double rzAngle = cam.rz.getAngle(); cam.rz.setAngle(rzAngle - mouseDeltaX); } else if (me.isAltDown() && me.isPrimaryButtonDown()) { double ryAngle = cam.ry.getAngle(); cam.ry.setAngle(ryAngle - mouseDeltaX); double rxAngle = cam.rx.getAngle(); cam.rx.setAngle(rxAngle + mouseDeltaY); } else if (me.isShiftDown() && me.isPrimaryButtonDown()) { double yShear = shear.getY(); shear.setY(yShear + mouseDeltaY / 1000.0); double xShear = shear.getX(); shear.setX(xShear + mouseDeltaX / 1000.0); } else if (me.isAltDown() && me.isSecondaryButtonDown()) { double scale = cam.s.getX(); double newScale = scale + mouseDeltaX * 0.01; cam.s.setX(newScale); cam.s.setY(newScale); cam.s.setZ(newScale); } else if (me.isAltDown() && me.isMiddleButtonDown()) { double tx = cam.t.getX(); double ty = cam.t.getY(); cam.t.setX(tx + mouseDeltaX); cam.t.setY(ty + mouseDeltaY); } } }); scene.setOnKeyPressed(new EventHandler<KeyEvent>() { public void handle(KeyEvent ke) { if (KeyCode.A.equals(ke.getCode())) { resetCam(); shear.setX(0.0); shear.setY(0.0); } if (KeyCode.F.equals(ke.getCode())) { frameCam(stage, scene); shear.setX(0.0); shear.setY(0.0); } if (KeyCode.SPACE.equals(ke.getCode())) { if (stage.isFullScreen()) { stage.setFullScreen(false); frameCam(stage, scene); } else { stage.setFullScreen(true); frameCam(stage, scene); } } } }); stage.setScene(scene); stage.show(); } // // CubeSystem.frameCam // public void frameCam(final Stage stage, final Scene scene) { setCamOffset(camOffset, scene); // cam.resetTSP(); setCamPivot(cam); setCamTranslate(cam); setCamScale(cam, scene); } // // CubeSystem.setCamOffset // public void setCamOffset(final Cam camOffset, final Scene scene) { double width = scene.getWidth(); double height = scene.getHeight(); camOffset.t.setX(width / 2.0); camOffset.t.setY(height / 2.0); } //= // setCamScale //= public void setCamScale(final Cam cam, final Scene scene) { final Bounds bounds = cam.getBoundsInLocal(); final double pivotX = bounds.getMinX() + bounds.getWidth() / 2; final double pivotY = bounds.getMinY() + bounds.getHeight() / 2; final double pivotZ = bounds.getMinZ() + bounds.getDepth() / 2; double width = scene.getWidth(); double height = scene.getHeight(); double scaleFactor = 1.0; double scaleFactorY = 1.0; double scaleFactorX = 1.0; if (bounds.getWidth() > 0.0001) { scaleFactorX = width / bounds.getWidth(); // / 2.0; } if (bounds.getHeight() > 0.0001) { scaleFactorY = height / bounds.getHeight(); // / 1.5; } if (scaleFactorX > scaleFactorY) { scaleFactor = scaleFactorY; } else { scaleFactor = scaleFactorX; } cam.s.setX(scaleFactor); cam.s.setY(scaleFactor); cam.s.setZ(scaleFactor); } //= // setCamPivot //= public void setCamPivot(final Cam cam) { final Bounds bounds = cam.getBoundsInLocal(); final double pivotX = bounds.getMinX() + bounds.getWidth() / 2; final double pivotY = bounds.getMinY() + bounds.getHeight() / 2; final double pivotZ = bounds.getMinZ() + bounds.getDepth() / 2; cam.p.setX(pivotX); cam.p.setY(pivotY); cam.p.setZ(pivotZ); cam.ip.setX(-pivotX); cam.ip.setY(-pivotY); cam.ip.setZ(-pivotZ); } //= // setCamTranslate //= public void setCamTranslate(final Cam cam) { final Bounds bounds = cam.getBoundsInLocal(); final double pivotX = bounds.getMinX() + bounds.getWidth() / 2; final double pivotY = bounds.getMinY() + bounds.getHeight() / 2; cam.t.setX(-pivotX); cam.t.setY(-pivotY); } public void resetCam() { cam.t.setX(0.0); cam.t.setY(0.0); cam.t.setZ(0.0); cam.rx.setAngle(45.0); cam.ry.setAngle(-7.0); cam.rz.setAngle(0.0); cam.s.setX(1.25); cam.s.setY(1.25); cam.s.setZ(1.25); cam.p.setX(0.0); cam.p.setY(0.0); cam.p.setZ(0.0); cam.ip.setX(0.0); cam.ip.setY(0.0); cam.ip.setZ(0.0); final Bounds bounds = cam.getBoundsInLocal(); final double pivotX = bounds.getMinX() + bounds.getWidth() / 2; final double pivotY = bounds.getMinY() + bounds.getHeight() / 2; final double pivotZ = bounds.getMinZ() + bounds.getDepth() / 2; cam.p.setX(pivotX); cam.p.setY(pivotY); cam.p.setZ(pivotZ); cam.ip.setX(-pivotX); cam.ip.setY(-pivotY); cam.ip.setZ(-pivotZ); } public class Cube extends Group { final Rotate rx = new Rotate(0, Rotate.X_AXIS); final Rotate ry = new Rotate(0, Rotate.Y_AXIS); final Rotate rz = new Rotate(0, Rotate.Z_AXIS); public Cube(double size, Color color, double shade) { getTransforms().addAll(rz, ry, rx); getChildren().addAll(RectangleBuilder.create() // back face .width(size).height(size).fill(color.deriveColor(0.0, 1.0, (1 - 0.5 * shade), 1.0)) .translateX(-0.5 * size).translateY(-0.5 * size).translateZ(0.5 * size).build(), RectangleBuilder.create() // bottom face .width(size).height(size).fill(color.deriveColor(0.0, 1.0, (1 - 0.4 * shade), 1.0)) .translateX(-0.5 * size).translateY(0).rotationAxis(Rotate.X_AXIS).rotate(90).build(), RectangleBuilder.create() // right face .width(size).height(size).fill(color.deriveColor(0.0, 1.0, (1 - 0.3 * shade), 1.0)) .translateX(-1 * size).translateY(-0.5 * size).rotationAxis(Rotate.Y_AXIS).rotate(90) .build(), RectangleBuilder.create() // left face .width(size).height(size).fill(color.deriveColor(0.0, 1.0, (1 - 0.2 * shade), 1.0)) .translateX(0).translateY(-0.5 * size).rotationAxis(Rotate.Y_AXIS).rotate(90).build(), RectangleBuilder.create() // top face .width(size).height(size).fill(color.deriveColor(0.0, 1.0, (1 - 0.1 * shade), 1.0)) .translateX(-0.5 * size).translateY(-1 * size).rotationAxis(Rotate.X_AXIS).rotate(90) .build(), RectangleBuilder.create() // top face .width(size).height(size).fill(color).translateX(-0.5 * size).translateY(-0.5 * size) .translateZ(-0.5 * size).build()); } } public static void main(String[] args) { Application.launch(args); } }