?? loop.java
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package unari;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2005</p> * <p>Company: </p> * @author not attributable * @version 1.0 *//** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2005</p> * <p>Company: </p> * @author not attributable * @version 1.0 */// Decompiled by DJ v2.9.9.60 Copyright 2000 Atanas Neshkov Date: 2005-1-7 15:10:56// Home Page : http://members.fortunecity.com/neshkov/dj.html - Check often for new version!// Decompiler options: packimports(3)// Source File Name: loop.javaimport java.applet.Applet;import java.awt.*;public class loop extends Applet implements Runnable{ public void init() { d = size(); k = 1.0D; f1 = 0; f2 = 1; f3 = 1; ang = 0.78539820000000005D; sr = 130; sx = (int)((double)(d.width / 2) + 0.70710669999999998D * (double)sr); sy = (int)((double)(d.width / 2) - 0.70710669999999998D * (double)sr); l = 0; v = 60D; pa = 0.29999999999999999D; buffer = createImage(d.width, d.height); r = 6D; x = 2D * r; y = r; dx = 0.0D; dy = 0.0D; setLayout(new BorderLayout()); Panel panel = new Panel(); panel.setLayout(new GridLayout(9, 1)); panel.add(new Button("A")); panel.add(new Button("B")); panel.add(new Button("C")); panel.add(new Button("D")); panel.add(new Button("E")); panel.add(new Button("F")); panel.add(new Button("運行")); panel.add(new Button("軌跡")); panel.add(new Button("停止")); add("East", panel); } void drawToBuffer() { int ai[] = { 0, 0, d.width / 2, d.width / 2 }; int ai1[] = { 0, d.height, d.height, d.width / 2 }; Graphics g = buffer.getGraphics(); if(f2 == 1) { g.setColor(Color.white); g.clipRect(0, 0, d.width, d.height); g.fillRect(0, 0, d.width, d.height); g.setColor(bb); g.fillPolygon(ai, ai1, n); g.fillRect(d.width / 2, sy, d.height - sy, d.height - sy); g.fillRect(sx, 0, d.width - sx, d.height); g.setColor(Color.white); g.fillOval(sx - sr, sy - sr, 2 * (sr - 1), 2 * (sr - 1)); g.setColor(Color.cyan); g.drawLine(0, sy + sr, sx, sy + sr); g.drawLine((int)(((double)sy - 1.5D * (double)sr) + 10D), (int)(((double)sy - 1.5D * (double)sr) + 11D), (int)(((double)sy - 1.5D * (double)sr) + 10D), sy + sr); g.drawLine((sy - sr) + 6, (sy - sr) + 7, (sy - sr) + 6, sy + sr); g.drawLine(sy, sy + 1, sy, sy + sr); g.setColor(Color.blue); g.drawString("A", (int)r, (int)(4D * r)); g.drawString("B", (int)(3D * r + 12D), (int)(6D * r + 12D)); g.drawString("C", (sy - sr) + 6, (sy - sr) + 18 + 6); g.drawString("D", sy - sr / 2 - 8, (sy - sr / 2) + 10); g.drawString("E", sy, sy + 18); g.drawString("F", (sy + sr / 2) - 3, (sy + sr / 2 + 18) - 3); g.setColor(Color.black); g.drawString("2.5R", (int)(((double)sy - 1.5D * (double)sr) + 15D), (sy + sr) - 50); g.drawString("2R", (sy - sr) + 10, (sy + sr) - 50); g.drawString("R", sy + 5, (sy + sr) - 50); f2 = 0; } if(strobo != 1) { g.setColor(Color.white); g.clipRect(0, 0, d.width, d.height); g.fillRect(0, 0, d.width, d.height); g.setColor(bb); g.fillPolygon(ai, ai1, n); g.fillRect(d.width / 2, sy, d.height - sy, d.height - sy); g.fillRect(sx, 0, d.width - sx, d.height); g.setColor(Color.white); g.fillOval(sx - sr, sy - sr, 2 * (sr - 1), 2 * (sr - 1)); g.setColor(Color.cyan); g.drawLine(0, sy + sr, sx, sy + sr); g.drawLine((int)(((double)sy - 1.5D * (double)sr) + 10D), (int)(((double)sy - 1.5D * (double)sr) + 11D), (int)(((double)sy - 1.5D * (double)sr) + 10D), sy + sr); g.drawLine((sy - sr) + 6, (sy - sr) + 7, (sy - sr) + 6, sy + sr); g.drawLine(sy, sy + 1, sy, sy + sr); g.setColor(Color.blue); g.drawString("A", (int)r, (int)(4D * r)); g.drawString("B", (int)(3D * r + 12D), (int)(6D * r + 12D)); g.drawString("C", (sy - sr) + 6, (sy - sr) + 18 + 6); g.drawString("D", sy - sr / 2 - 8, (sy - sr / 2) + 10); g.drawString("E", sy, sy + 18); g.drawString("F", (sy + sr / 2) - 3, (sy + sr / 2 + 18) - 3); g.setColor(Color.black); g.drawString("2.5R", (int)(((double)sy - 1.5D * (double)sr) + 15D), (sy + sr) - 50); g.drawString("2R", (sy - sr) + 10, (sy + sr) - 50); g.drawString("R", sy + 5, (sy + sr) - 50); } g.setColor(Color.blue); g.fillOval((int)x, (int)y, (int)(2D * r), (int)(2D * r)); } void move() { dy = dy + pa * (double)f1; x = x + dx * (double)f1; y = y + dy * (double)f1; if(x >= (double)d.width - 2D * r) { x = (double)d.width - 2D * r; dx = 0.0D; dy = 0.0D; f1 = 0; } if(y >= -2D * r + x && x <= (double)(d.width / 2)) { y = -1.5D * r + x; double d5 = dx * Math.cos(ang) + dy * Math.sin(ang); double d7 = -1D * (dy * Math.cos(ang) - dx * Math.sin(ang)); double d1 = d5 * Math.cos(ang) - d7 * Math.sin(ang); double d3 = d5 * Math.sin(ang) + d7 * Math.cos(ang); dx = d1; dy = d3; } double d9 = (double)sx - (x + r); double d10 = (y + r) - (double)sy; double d11 = d9 * d9 + d10 * d10; double d12 = Math.sqrt(d11); if(d11 > ((double)sr - r) * ((double)sr - r) && x >= (double)sx || d11 > ((double)sr - r) * ((double)sr - r) && x <= (double)sx && x >= (double)(d.width / 2) && y >= (double)(d.width / 2)) { x = x + (((d12 - (double)sr) + 0.83999999999999997D * r) * d9) / d12; y = y - (((d12 - (double)sr) + 0.83999999999999997D * r) * d10) / d12; double d6 = (dx * d10) / d12 + (dy * d9) / d12; double d8 = -1D * ((dy * d10) / d12 - (dx * d9) / d12); double d2 = (d6 * d10) / d12 - (d8 * d9) / d12; double d4 = (d6 * d9) / d12 + (d8 * d10) / d12; dx = d2; dy = d4; } if(x > (double)sx - 2D * r && y < (double)(sy - sr) - 2D * r && dx > 0.0D) { x = (double)sx - 2D * r; dx = -dx; } } public void start() { if(th == null) { th = new Thread(this); th.start(); } } public boolean action(Event event, Object obj) { if(event.target instanceof Button) { if("運行".equals(obj)) { f1 = 1; f2 = 1; strobo = 0; } if("停止".equals(obj)) { f1 = 0; f2 = 0; dx = 0.0D; dy = 0.0D; } if("A".equals(obj)) { f1 = 0; f2 = 1; strobo = 0; x = (double)sy - 1.5D * (double)sr; y = (double)sy - 1.5D * (double)sr - 2D * r; pa = 0.29999999999999999D; dx = 0.0D; dy = 0.0D; return true; } if("B".equals(obj)) { f1 = 0; f2 = 1; f3 = 0; strobo = 0; x = (sy - sr) / 2 - 5; y = (double)(sy - sr - 5) - 2D * r; dx = 0.0D; dy = 0.0D; pa = 0.29999999999999999D; return true; } if("C".equals(obj)) { f1 = 0; f2 = 1; f3 = 1; strobo = 0; x = (double)(sy - sr) + 2D * r; y = sy - sr; dx = 0.0D; dy = 0.0D; pa = 0.59999999999999998D; repaint(); return true; } if("D".equals(obj)) { f1 = 0; f2 = 1; f3 = 1; strobo = 0; x = sy - 70; y = (double)(sy - 70) - 2D * r; dx = 0.0D; dy = 0.0D; pa = 0.59999999999999998D; repaint(); return true; } if("E".equals(obj)) { f1 = 0; f2 = 1; f3 = 1; strobo = 0; x = sy; y = (double)sy - 2D * r; dx = 0.0D; dy = 0.0D; pa = 0.29999999999999999D; repaint(); return true; } if("F".equals(obj)) { f1 = 0; f2 = 1; f3 = 1; strobo = 0; x = sy + 60; y = (double)(sy + 60) - 2D * r; dx = 0.0D; dy = 0.0D; pa = 0.29999999999999999D; repaint(); return true; } if("軌跡".equals(obj)) { strobo = 1; f2 = 1; f1 = 1; repaint(); return true; } else { return true; } } else { return super.handleEvent(event); } } public void run() { while(th != null) { move(); drawToBuffer(); repaint(); try { Thread.sleep(30L); } catch(InterruptedException _ex) { } } } public void update(Graphics g) { paint(g); } public void paint(Graphics g) { g.drawImage(buffer, 0, 0, this); } public void stop() { if(th != null) { th.stop(); th = null; } } public loop() { n = 4; aa = Color.blue; bb = Color.orange; cc = Color.blue; } Thread th; double pa; double x; double y; double dx; double dy; double r; double v1; double v2; double u1; double u2; double vx1; double vx2; double ux1; double ux2; double v; int sx; int sy; int sr; int i; int l; int f1; int f2; int f3; int strobo; int kaku; int n; double ang; double k; Image buffer; Dimension d; Color aa; Color bb; Color cc;}?? 快捷鍵說明
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