import java.io.*; import java.awt.*; import java.awt.event.*; import java.awt.font.*; import java.net.URL; import java.text.*; import java.util.Map; import java.util.Hashtable; import java.util.jar.Attributes; //import javax.swing.*; public class Mod2Plot extends Panel implements MouseListener, Runnable, AdjustmentListener { Mod2State state; Point[] topOuter; Color[] currentIntensity; int[] arrowDirection; static int ARROW_UP = 1; static int ARROW_DOWN = 2; int current = 0; Point xAxisEndpt; Image main; Graphics imG; int mainWidth, mainHeight; // Need 2 different delta thetas because much shorter screen // difference for the wire rectangle to travel through the // y and x axis, than the x and -ve y axis, EVEN THOUGH the // real-world distance is the same. The solution is to use a small // delta theta for the short screen distances, and (3 times) larger // delta theta for the long screen distances. // // use short for 0 <= theta <= PI and PI <= theta < 3PI/2 // use long for PI/2 <= theta < PI and 3PI/2 <= theta < 0 static double deltaTheta = 0.5; static int xAxisAngle = 75; // degrees int halfway; static int wireRectWidth = 125; static int wireRectHeight = 90; //static Point origin = new Point(150,220); static Point origin = new Point(370,220); static int zAxisLength = 125; static int yAxisLength = 150; static int xAxisLength = 150; static double PIOverOneEighty = Math.PI/180.0; static double PIhalf = Math.PI/2.0; //static Point graphOrigin = new Point(70,330); static Point graphOrigin = new Point(30,330); int[] ix, iy; int iLabelX, iLabelY; static Color iColor = Color.red; int icurrent = 0; static Font boldFont = new Font("Serif",Font.BOLD, 18); int yBorder, yOffset; //AnimationTimer timer = new AnimationTimer(this, 50); private Thread tron; public boolean IsTronRunning; public boolean ThreadStarted; private int SleepTime = 50; // was 25 private double amplitudeScaler = 100.0; //static Color bgColor = new Color(194,235,255); private final Color bgColor = new Color(236,236,236); static Color axisColor = Color.black; static Color wireColor = Color.green.darker(); FontMetrics fm; int fontHeight; Graphics2D g2d; public StartStopClock ssc; private Label fast, slow; private static final Color maroon = new Color(185,50,50); public Scrollbar slider; private int SCROLLMIN=0, SCROLLMAX=250; public synchronized void initialPlot() { state.reset(); ssc.clockcanvas.setStatus(0,state.NTime,state.dtime); ssc.clockcanvas.reset(); //mainWidth = origin.x+yAxisLength+40; //mainHeight = xAxisEndpt.y+60+fontHeight+10; mainWidth = 540; mainHeight = 530; //main = createImage(mainWidth, mainHeight); //imG = main.getGraphics(); GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice gs = ge.getDefaultScreenDevice(); GraphicsConfiguration gc = gs.getDefaultConfiguration(); main = gc.createCompatibleImage(mainWidth, mainHeight, Transparency.TRANSLUCENT); imG = main.getGraphics(); g2d = (Graphics2D)imG; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); paintImage(imG); paintAnimationStuff(imG); repaint(); } public Mod2Plot(Mod2State state) { super(); this.state = state; IsTronRunning = false; ThreadStarted = false; setLayout(null); setBackground(bgColor); getPoints(); getGraphPoints(); icurrent = ix.length/4; ssc = new StartStopClock(); ssc.button1.setEnabled(true); ssc.button2.setEnabled(true); add(ssc); //start stop clock //ssc.setBounds(200,470,170,60); ssc.setBounds(330,480,170,60); ssc.button1.addMouseListener(this); ssc.button2.addMouseListener(this); setupSpeedAdjust(); IsTronRunning = false; ThreadStarted = false; // Get font sizes: setFont(boldFont); fm = getFontMetrics(getFont()); fontHeight = fm.getHeight(); } private void setupSpeedAdjust() { fast = new Label("faster",Label.RIGHT); fast.setFont(TheFonts.sanSerif11); fast.setBackground(bgColor); fast.setForeground(maroon); add(fast); slow = new Label("slower",Label.LEFT); slow.setFont(TheFonts.sanSerif11); slow.setBackground(bgColor); slow.setForeground(Color.blue); add(slow); slider = new Scrollbar(Scrollbar.HORIZONTAL,200,1,SCROLLMIN,SCROLLMAX); add(slider); //slider to change animation speed slider.setBounds(290,440,250,15); //fast.setBounds(479,458,40,10); //slow.setBounds(313,458,100,10); fast.setBounds(479,458,40,15); slow.setBounds(313,458,100,15); //panels for slider Panel slide0 = new Panel(); slide0.setBackground(Color.cyan); add(slide0); slide0.setBounds(289,439,252,17); Panel slide1 = new Panel(); slide1.setBackground(Color.black); add(slide1); slide1.setBounds(288,438,254,19); slider.addAdjustmentListener(this); } public synchronized void adjustmentValueChanged(AdjustmentEvent evt){ if(evt.getSource()==slider){ boolean repaint = !IsTronRunning; IsTronRunning = false; SleepTime = SCROLLMAX - slider.getValue(); if (SleepTime < 5) SleepTime = 5; //amplitudeScaler = 100 * (50/SleepTime); amplitudeScaler = 100 * (250.0/(SleepTime+200)); getGraphPoints(); if (repaint) { paintImage(imG); repaint(); } else IsTronRunning = true; } } public void mouseClicked(MouseEvent evt){mouseHandler(evt);} public void mouseEntered(MouseEvent evt){;} public void mouseExited(MouseEvent evt){;} public void mousePressed(MouseEvent evt){;} public void mouseReleased(MouseEvent evt){;} private synchronized void mouseHandler(MouseEvent evt){ if(evt.getSource() == ssc.button1){ IsTronRunning = true; if(!ThreadStarted){ start(); ThreadStarted = true; ssc.button1.setEnabled(false); ssc.button2.setEnabled(true); } else{ ssc.button1.setEnabled(false); ssc.button2.setEnabled(true); notify(); } //c1.setEnabled(false); repaint(); } if(evt.getSource() == ssc.button2){ IsTronRunning = false; ssc.button2.setEnabled(false); ssc.button1.setEnabled(true); //c1.setEnabled(true); repaint(); } } public void start(){ if(tron == null){ tron = new Thread(this); tron.start(); } } public void run(){ while(true){ if(IsTronRunning){ animate(); ssc.clockcanvas.increment(); state.increment(); } try{ Thread.sleep(SleepTime); synchronized(this){ while(!IsTronRunning){wait();} } } catch(InterruptedException e){e.printStackTrace();} } } private synchronized void getPoints() { // Get the endpoint for the x-axis: int xComp = (int) (Math.cos(xAxisAngle*Math.PI/180.0)*xAxisLength); int yComp = (int) (Math.sin(xAxisAngle*Math.PI/180.0)*xAxisLength); xAxisEndpt = new Point(origin.x - xComp, origin.y + yComp); // get the top-outer points of the moving rectangle int npts = (int) (360/deltaTheta); current = npts/4; halfway = npts/2; topOuter = new Point[npts]; currentIntensity = new Color[npts]; arrowDirection = new int[npts]; double thetaInRadians; Point circleOrigin = new Point(origin.x, origin.y - wireRectHeight); double theta = 0.0; for (int i = 0; i < npts; i++, theta+=deltaTheta) { thetaInRadians = theta * PIOverOneEighty; //xComp = (int) (wireRectWidth * Math.cos(thetaInRadians)); //yComp = (int) (wireRectWidth * Math.sin(thetaInRadians)); xComp = (int) (wireRectWidth * Math.cos(thetaInRadians-PIhalf)); yComp = (int) (wireRectWidth * Math.sin(thetaInRadians-PIhalf)); topOuter[i] = new Point(circleOrigin.x+xComp, circleOrigin.y-yComp); if (theta >= 0.0 && theta < 90.0) { currentIntensity[i] = RedColors.getSinLevel(1.0-((90.0-theta)/90.0)); arrowDirection[i] = ARROW_UP; } else if (theta >= 90.0 && theta < 180.0) { currentIntensity[i] = RedColors.getSinLevel(1.0-((theta-90.0)/90.0)); arrowDirection[i] = ARROW_UP; } else if (theta >= 180.0 && theta < 270.0) { currentIntensity[i] = RedColors.getSinLevel(1.0-((270-theta)/90.0)); arrowDirection[i] = ARROW_DOWN; } else { currentIntensity[i] = RedColors.getSinLevel(1.0-((theta-270)/90.0)); arrowDirection[i] = ARROW_DOWN; } } } private synchronized void getGraphPoints() { int iForILabel = 0; //int npts = (360/deltaTheta) + 1; int npts = (int) (360/deltaTheta); //icurrent = npts/4; ix = new int[npts]; iy = new int[npts]; double thetaInRadians, xPoint; double oneOverOneEighty = 1.0/180.0; double theta = 0.0; for (int i = 0; i < npts; i++, theta+=deltaTheta) { if (theta == 90.0) iForILabel = i; thetaInRadians = theta * PIOverOneEighty; //iy[i] = (int) (100 * Math.sin(thetaInRadians)); iy[i] = (int) (amplitudeScaler * Math.sin(thetaInRadians)); xPoint = i*deltaTheta*oneOverOneEighty; ix[i] = (int) (xPoint*100); // scale x so 360 degress spans 200; } // NOW push the sine wave DOWN on the Y-axis, so that the sine // wave appears in the middle of the screen, rather that at the TOP for (int i = 0; i < iy.length; i++) { iy[i] += graphOrigin.y; } flipCoordinates(iy,graphOrigin.y); // NOW shift the X-axis over by xMin to make room for the vertical // axis line. for (int i = 0; i < ix.length; i++) { ix[i] += graphOrigin.x; } iLabelX = ix[iForILabel] + 20; iLabelY = iy[iForILabel]; } private synchronized void flipCoordinates(int[] coords, int flipAround) { int delta; for (int i = 0; i < coords.length; i++) { delta = coords[i] - flipAround; coords[i] = flipAround - delta; } } public synchronized void paintImage(Graphics g) { //g.clearRect(0,0,mainWidth,mainHeight); g.setColor(bgColor); g.fillRect(0,0,mainWidth,mainHeight); // Draw x and y axis: drawAxis(g); g.setColor(wireColor); drawLine(g,origin.x,origin.y,origin.x, origin.y - wireRectHeight); drawGraphAxis(g); g2d.setStroke(new BasicStroke(3,BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); g.setColor(iColor); g.drawString("I",iLabelX,iLabelY); g2d.drawPolyline(ix,iy,ix.length); g2d.setStroke(new BasicStroke(1)); // Draw the faster/slower arrow tips g.setColor(Color.blue); MaestroG.drawArrowtip(297,462,8,g); MaestroG.drawArrowtip(305,462,8,g); g.setColor(maroon); MaestroG.drawArrowtip(524,462,7,g); MaestroG.drawArrowtip(532,462,7,g); } private void drawGraphAxis(Graphics g) { // Draw x and y axis: g.setColor(axisColor); drawLine(g,graphOrigin.x,graphOrigin.y - 120, graphOrigin.x,graphOrigin.y + 120); // y-axis drawLine(g,graphOrigin.x,graphOrigin.y, graphOrigin.x + 220,graphOrigin.y); // x-axis Arrows.drawDblUpArrow(g,graphOrigin.x,graphOrigin.y - 120); Arrows.drawDblDownArrow(g,graphOrigin.x,graphOrigin.y + 120); Arrows.drawDblRightArrow(g,graphOrigin.x + 220,graphOrigin.y); g.drawString("time",graphOrigin.x + 230, graphOrigin.y + (int)(0.5*fontHeight)); } public void update(Graphics g) { paint(g); } public void paint(Graphics g) { g.drawImage(main,0,0,this); } public synchronized void paintAnimationStuff(Graphics g) { g.setColor(wireColor); //NEW line: drawLine(g,origin.x, origin.y, origin.x, origin.y - wireRectHeight); //NEW drawLine(g,origin.x, origin.y - wireRectHeight, topOuter[current].x,topOuter[current].y); drawLine(g,topOuter[current].x,topOuter[current].y, topOuter[current].x,topOuter[current].y+wireRectHeight); drawLine(g,topOuter[current].x,topOuter[current].y+wireRectHeight, origin.x,origin.y); // draw the current vector: g.setColor(Color.red); //g.drawString("I",origin.x+10,origin.y-35); g.drawString("I",origin.x+20,origin.y-35); if (currentIntensity[current] != RedColors.levels[10]) { g.setColor(currentIntensity[current]); //drawLine(g,origin.x,origin.y-7,origin.x,origin.y-wireRectHeight+7); drawLine(g,origin.x+10,origin.y-27,origin.x+10, origin.y-wireRectHeight+35); //if (current <= halfway) // Arrows.drawDblDownArrow(g,origin.x,origin.y-7); //else // Arrows.drawDblUpArrow(g,origin.x,origin.y-wireRectHeight+7); if (arrowDirection[current] == ARROW_UP) //Arrows.drawDblUpArrow(g,origin.x,origin.y-wireRectHeight+7); Arrows.drawDblUpArrow(g,origin.x+10,origin.y-wireRectHeight+35); else //Arrows.drawDblDownArrow(g,origin.x,origin.y-7); Arrows.drawDblDownArrow(g,origin.x+10,origin.y-27); } if (!ssc.IsStop) { //g.setColor(Color.black); g.setColor(Color.orange); g.fillOval(ix[icurrent]-3,iy[icurrent]-3,6,6); } } private void drawAxis(Graphics g) { // Draw x and y axis: g.setColor(axisColor); drawLine(g,origin.x,origin.y,origin.x,origin.y-zAxisLength); //z-axis drawLine(g,origin.x,origin.y,origin.x+yAxisLength,origin.y); // y-axis drawLine(g,origin.x,origin.y,xAxisEndpt.x,xAxisEndpt.y); // x-axis Arrows.drawDblUpArrow(g,origin.x,origin.y-zAxisLength); g.drawString("z",origin.x-(int)(0.5*fm.stringWidth("z")), origin.y-zAxisLength-5); Arrows.drawDblRightArrow(g,origin.x+yAxisLength,origin.y); g.drawString("y",origin.x+yAxisLength+5,origin.y+(fontHeight/2)); Point[] xArrow = Arrows.getDblArrowHeadPts(xAxisEndpt.x,xAxisEndpt.y, origin.x, origin.y); g.drawString("x",xAxisEndpt.x-fm.stringWidth("x"), xAxisEndpt.y + fontHeight); Arrows.drawArrowHead(g,xArrow); // g.setColor(Color.blue); drawLine(g,xAxisEndpt.x-40,origin.y+20,origin.x+yAxisLength-20,origin.y+20); drawLine(g,xAxisEndpt.x-40,origin.y-20,origin.x+yAxisLength-20,origin.y-20); drawLine(g,xAxisEndpt.x-40,origin.y-60,origin.x+yAxisLength-20,origin.y-60); Arrows.drawDblRightArrow(g,origin.x+yAxisLength-20,origin.y+20); Arrows.drawDblRightArrow(g,origin.x+yAxisLength-20,origin.y-20); Arrows.drawDblRightArrow(g,origin.x+yAxisLength-20,origin.y-60); g.drawString("B",origin.x+yAxisLength,origin.y-60); // g.setColor(axisColor); } private void drawLine(Graphics g, int x1, int y1, int x2, int y2) { if (y1 != y2) { g.drawLine(x1,y1,x2,y2); g.drawLine(x1+1,y1,x2+1,y2); } else { g.drawLine(x1,y1,x2,y2); g.drawLine(x1,y1+1,x2,y2+1); } } public synchronized void animate() { current+=4; icurrent+=4; if (current >= topOuter.length) current = 0; if (icurrent >= ix.length) icurrent = 0; paintImage(imG); paintAnimationStuff(imG); repaint(); } }