java烟花代码.doc

import java.applet.Applet;import java.applet.AudioClip;import java.awt.*;import java.awt.image.MemoryImageSource;import java.util.Random;public class hua extends Applet implements Runnable public hua() m_mouseX = 0; m_mouseY = 0; m_sleepTime = 5; isError = false; isInitialized = false; rand = new Random(); bits = 10000; bit_px = new doublebits; bit_py = new doublebits; bit_vx = new doublebits; bit_vy = new doublebits; bit_sx = new intbits; bit_sy = new intbits; bit_l = new intbits; bit_f = new intbits; bit_p = new intbits; bit_c = new intbits; ru = 50; rv = 50; public void init() String s = getParameter(para_bits); if(s != null) bits = Integer.parseInt(s); s = getParameter(para_max); if(s != null) bit_max = Integer.parseInt(s); s = getParameter(para_blendx); if(s != null) ru = Integer.parseInt(s); s = getParameter(para_blendy); if(s != null) rv = Integer.parseInt(s); s = getParameter(para_sound); if(s != null) bit_sound = Integer.parseInt(s); m_nAppX = size().width; m_nAppY = size().height; m_centerX = m_nAppX / 2; m_centerY = m_nAppY / 2; m_mouseX = m_centerX; m_mouseY = m_centerY; resize(m_nAppX, m_nAppY); pixls = m_nAppX * m_nAppY; pixls2 = pixls - m_nAppX * 2; pix0 = new intpixls; offImage = new MemoryImageSource(m_nAppX, m_nAppY, pix0, 0, m_nAppX); offImage.setAnimated(true); dbImg = createImage(offImage); for(int i = 0; i pixls; i+) pix0i = 0xff000000; sound1 = getAudioClip(getDocumentBase(), firework.au); sound2 = getAudioClip(getDocumentBase(), syu.au); for(int j = 0; j bits; j+) bit_fj = 0; isInitialized = true; start(); public void run() while(!isInitialized) try Thread.sleep(200L); catch(InterruptedException interruptedexception) do for(int j = 0; j 16; int k1 = (l & 0xff0000) 16) - i) * ru 8) + i; i = (k & 0xff00) 8; int l1 = (l & 0xff00) 8) - i) * ru 8) + i; i = k & 0xff; int i2 = (l & 0xff) - i) * ru 8) + i; i = (i1 & 0xff0000) 16; int j2 = (j1 & 0xff0000) 16) - i) * ru 8) + i; i = (i1 & 0xff00) 8; int k2 = (j1 & 0xff00) 8) - i) * ru 8) + i; i = i1 & 0xff; int l2 = (j1 & 0xff) - i) * ru 8) + i; int i3 = (j2 - k1) * rv 8) + k1; int j3 = (k2 - l1) * rv 8) + l1; int k3 = (l2 - i2) * rv 8) + i2; pix0j = i3 16 | j3 8 | k3 | 0xff000000; rend(); offImage.newPixels(0, 0, m_nAppX, m_nAppY); try Thread.sleep(m_sleepTime); catch(InterruptedException interruptedexception1) while(true); public void update(Graphics g) paint(g); public void paint(Graphics g) g.drawImage(dbImg, 0, 0, this); public void start() if(isError) return; isRunning = true; if(runner = null) runner = new Thread(this); runner.start(); public void stop() if(runner != null) runner.stop(); runner = null; public boolean mouseMove(Event event, int i, int j) m_mouseX = i; m_mouseY = j; return true; public boolean mouseDown(Event event, int i, int j) m_mouseX = i; m_mouseY = j; int k = (int)(rand.nextDouble() * 256D); int l = (int)(rand.nextDouble() * 256D); int i1 = (int)(rand.nextDouble() * 256D); int j1 = k 16 | l 8 | i1 | 0xff000000; int k1 = 0; for(int l1 = 0; l1 1) sound2.play(); return true; public boolean mouseExit(Event event, int i, int j) m_mouseX = i; m_mouseY = j; return true; void rend() boolean flag = false; boolean flag1 = false; boolean flag2 = false; for(int k = 0; k bits; k+) switch(bit_fk) default: break; case 1: / 001 bit_vyk += rand.nextDouble() / 50D; bit_pxk += bit_vxk; bit_pyk += bit_vyk; bit_lk-; if(bit_lk = 0 | bit_pxk 0.0D | bit_pyk (double)m_nAppX | bit_pyk (double)(m_nAppY - 3) bit_ck = 0xff000000; bit_fk = 0; else if(bit_pk = 0) if(int)(rand.nextDouble() * 2D) = 0) bit_set(int)bit_pxk, (int)bit_pyk, -1); else bit_set(int)bit_pxk, (int)bit_pyk, bit_ck); break; case 2: / 002 bit_syk -= 5; if(double)bit_syk 0) sound1.play(); void bit_set(int i, int j, int k) int l = i + j * m_nAppX; pix0l = k; private int m_nAppX; private int m_nAppY; private int m_centerX; private int m_centerY; private int m_mouseX; private int m_mouseY; private int m_sleepTime; private boolean isError; private boolean m_isPaintFinished; boolean isRunning; boolean isInitialized; Thread runner; int pix0; MemoryImageSource offImage; Image dbImg; int pixls; int pixls2; Random rand; int bit