import java.awt.*; import java.awt.event.*; import java.applet.*; import java.lang.Math.*; import java.util.*; import javax.swing.*; import javax.swing.event.*; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionAdapter; public class jiba extends JApplet{ int V[][]; class HensuuSlider extends JPanel { int a; JLabel l; JLabel num; JSlider sl; String name; HensuuSlider(String s,int min, int max, int now,Color c){ name =s; l = new JLabel(s); num = new JLabel("0"); l.setForeground(c); sl= new JSlider(min,max,now); sl.setSnapToTicks(true); a=now; setLayout(new BorderLayout()); add("West",l); add("Center",sl); add("East",num); Change(); sl.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent evt) { Change(); } }); } int get() { return(a); } double getD() { return((double)a); } public void set(int n) { sl.setValue(n); Change(); } public void Change() { a= sl.getValue(); String str=Integer.toString(a); num.setText(str); canvas.paintImmediately(0,0,canvas.getWidth(),canvas.getHeight()); //canvas.repaint(); } } int hankei=10; int x1=150; int x2=300; int y1=140; int y2=180; int x3=120; int x4=330; int y3=170; int y4=130; int xmin,xmax,ymin,ymax,xv,yv; int nowDrag=0; GraphPanel canvas; HensuuSlider sbM1,sbM2; HensuuSlider sbI1,sbI2; HensuuSlider sbE; JLabel l1; int w,h; int pw=-1,ph=-1; double delta; public void init(){ canvas=new GraphPanel(); Container cont=getContentPane(); cont.setLayout(new BorderLayout()); sbM1=new HensuuSlider("¼§²Ù£±",-5,5,1,Color.BLUE); sbM2=new HensuuSlider("¼§²Ù£²",-5,5,-1,Color.MAGENTA); sbI1=new HensuuSlider("ÅÅή£±",-5,5,0,Color.GREEN); sbI2=new HensuuSlider("ÅÅή£²",-5,5,0,Color.CYAN); sbE=new HensuuSlider("³°Éô¼§¾ì",-5,5,0,Color.BLACK); canvas.addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { mPressed(e); } public void mouseReleased(MouseEvent e) { mReleased(e); } }); canvas.addMouseMotionListener(new MouseMotionAdapter() { public void mouseDragged(MouseEvent e) { mDragged(e); } }); JPanel p=new JPanel(); p.setLayout( new GridLayout(3,2)); p.add(sbM1); p.add(sbI1); p.add(sbM2); p.add(sbI2); p.add(sbE); cont.add("South",p); cont.add("Center",canvas); start(); } class GraphPanel extends JPanel { public void paint(Graphics g){ if ( g != null ) { writeCanvas(g); } } } public void mPressed(MouseEvent e) { int mx=e.getX(); int my=e.getY(); int xx=x1; int yy=y1; if( mx > xx-hankei && mx < xx+hankei && my > yy-hankei && my < yy+hankei ) { nowDrag=1; } xx=(int)x2; yy=(int)y2; if( mx > xx-hankei && mx < xx+hankei && my > yy-hankei && my < yy+hankei ) { nowDrag=2; } xx=(int)x3; yy=(int)y3; if( mx > xx-hankei && mx < xx+hankei && my > yy-hankei && my < yy+hankei ) { nowDrag=3; } xx=(int)x4; yy=(int)y4; if( mx > xx-hankei && mx < xx+hankei && my > yy-hankei && my < yy+hankei ) { nowDrag=4; } } public void mReleased(MouseEvent e) { nowDrag = 0; } public void mDragged(MouseEvent e) { if( nowDrag == 0 ) { return; } else if( nowDrag == 1 ) { x1=e.getX(); y1=e.getY(); if( x1 < hankei ) { x1=hankei; } if( x1 > w-hankei ) { x1= w-hankei; } if( y1 < hankei ) { y1=hankei; } if( y1 > h-hankei ) { y1= h-hankei; } } else if( nowDrag == 2 ) { x2=e.getX(); y2=e.getY(); if( x2 < hankei ) { x2=hankei; } if( x2 > w-hankei ) { x2= w-hankei; } if( y2 < hankei ) { y2=hankei; } if( y2 > h-hankei ) { y2= h-hankei; } } else if( nowDrag == 3 ) { x3=e.getX(); y3=e.getY(); if( x3 < hankei ) { x3=hankei; } if( x3 > w-hankei ) { x3= w-hankei; } if( y3 < hankei ) { y3=hankei; } if( y3 > h-hankei ) { y3= h-hankei; } } else if( nowDrag == 4 ) { x4=e.getX(); y4=e.getY(); if( x4 < hankei ) { x4=hankei; } if( x4 > w-hankei ) { x4= w-hankei; } if( y4 < hankei ) { y4=hankei; } if( y4 > h-hankei ) { y4= h-hankei; } } repaint(); } public void writeCanvas(Graphics gc){ if( gc == null ) { return; } w=canvas.getWidth(); h=canvas.getHeight(); int x,y; if( w !=pw || h != ph) { pw=w; ph=h; V= new int [w+2][h+2]; } int i,j; for(i=0 ; i<= w+1 ; i++ ) { for(j=0 ; j<= h+1 ; j++ ) { x=i-1; y=j-1; double v=sbE.get()*i/100.0; // ³°Éô¼§¾ì v += sbM1.get()*Math.atan2((double)(x-x1),(double)(y-y1)); v += sbM2.get()*Math.atan2((double)(x-x2),(double)(y-y2)); if( x != x3 || y != y3 ) { v += sbI1.get()*Math.log((double)((x-x3)*(x-x3)+(y-y3)*(y-y3)))/5.0; } if( x != x4 || y != y4 ) { v += sbI2.get()*Math.log((double)((x-x4)*(x-x4)+(y-y4)*(y-y4)))/5.0; } v *= 10.0; v /= Math.PI; V[i][j] = (int)Math.floor(v); } } gc.setColor(Color.WHITE); gc.fillRect(0,0,w,h); int diff; for( x=0 ; x< w ; x++ ) { for( y=0 ; y< h ; y++ ) { if( (x-x1)*(x-x1)+(y-y1)*(y-y1) > hankei*hankei &&(x-x2)*(x-x2)+(y-y2)*(y-y2) > hankei*hankei &&(x-x3)*(x-x3)+(y-y3)*(y-y3) > hankei*hankei &&(x-x4)*(x-x4)+(y-y4)*(y-y4) > hankei*hankei ) { diff = V[x+1][y+1] - V[x][y+1]; if( x==x1 && y0 ) { gc.drawLine(x1,y1-hankei,x1,y1+hankei); } } gc.setColor(Color.MAGENTA); gc.fillOval(x2-hankei,y2-hankei,hankei*2,hankei*2); if( sbM2.get() != 0 ) { gc.setColor(Color.WHITE); gc.drawLine(x2-hankei,y2,x2+hankei,y2); if( sbM2.get()>0 ) { gc.drawLine(x2,y2-hankei,x2,y2+hankei); } } gc.setColor(Color.GREEN); gc.fillOval(x3-hankei,y3-hankei,hankei*2,hankei*2); if( sbI1.get() > 0 ) { gc.setColor(Color.BLACK); gc.drawLine(x3-hankei/2,y3-hankei/2,x3+hankei/2,y3+hankei/2); gc.drawLine(x3+hankei/2,y3-hankei/2,x3-hankei/2,y3+hankei/2); } if( sbI1.get() < 0 ) { gc.setColor(Color.BLACK); gc.fillOval(x3-hankei/2,y3-hankei/2,hankei,hankei); } gc.setColor(Color.CYAN); gc.fillOval(x4-hankei,y4-hankei,hankei*2,hankei*2); if( sbI2.get() > 0 ) { gc.setColor(Color.BLACK); gc.drawLine(x4-hankei/2,y4-hankei/2,x4+hankei/2,y4+hankei/2); gc.drawLine(x4+hankei/2,y4-hankei/2,x4-hankei/2,y4+hankei/2); } if( sbI2.get() < 0 ) { gc.setColor(Color.BLACK); gc.fillOval(x4-hankei/2,y4-hankei/2,hankei,hankei); } } }