非常好的awt放礼花程序 需要好好的看看 鼠标点击就 放的

import java.applet.Applet; import java.applet.AudioClip; import java.awt.Event; import java.awt.Graphics; import java.awt.Image; import java.awt.image.MemoryImageSource; import java.util.Random; public class jhanabi extends Applet implements Runnable { 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 bits; double bit_px[]; double bit_py[]; double bit_vx[]; double bit_vy[]; int bit_sx[]; int bit_sy[]; int bit_l[]; int bit_f[]; int bit_p[]; int bit_c[]; int bit_max; int bit_sound; int ru; int rv; AudioClip sound1; AudioClip sound2; public jhanabi() { m_mouseX = 0; m_mouseY = 0; m_sleepTime = 5; isError = false; isInitialized = false; rand = new Random(); bits = 10000; bit_px = new double[bits]; bit_py = new double[bits]; bit_vx = new double[bits]; bit_vy = new double[bits]; bit_sx = new int[bits]; bit_sy = new int[bits]; bit_l = new int[bits]; bit_f = new int[bits]; bit_p = new int[bits]; bit_c = new int[bits]; 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 int[pixls]; offImage = new MemoryImageSource(m_nAppX, m_nAppY, pix0, 0, m_nAppX); offImage.setAnimated(true); dbImg = createImage(offImage); for (int i = 0; i < pixls; i++) { pix0[i] = 0xff000000; } sound1 = getAudioClip(getDocumentBase(), "firework.au"); sound2 = getAudioClip(getDocumentBase(), "syu.au"); for (int j = 0; j < bits; j++) { bit_f[j] = 0; } isInitialized = true; start(); } public void run() { while (!isInitialized) { try { Thread.sleep(200L); } catch (InterruptedException interruptedexception) { } } do { for (int i = 0; i < pixls2; i++) { int j = pix0[i]; int k = pix0[i + 1]; int l = pix0[i + m_nAppX]; int i1 = pix0[i + m_nAppX + 1]; int j1 = (j & 0xff0000) >> 16; int k1 = ((((k & 0xff0000) >> 16) - j1) * ru >> 8) + j1; j1 = (j & 0xff00) >> 8; int l1 = ((((k & 0xff00) >> 8) - j1) * ru >> 8) + j1; j1 = j & 0xff; int i2 = (((k & 0xff) - j1) * ru >> 8) + j1; j1 = (l & 0xff0000) >> 16; int j2 = ((((i1 & 0xff0000) >> 16) - j1) * ru >> 8) + j1; j1 = (l & 0xff00) >> 8; int k2 = ((((i1 & 0xff00) >> 8) - j1) * ru >> 8) + j1; j1 = l & 0xff; int l2 = (((i1 & 0xff) - j1) * ru >> 8) + j1; int i3 = ((j2 - k1) * rv >> 8) + k1; int j3 = ((k2 - l1) * rv >> 8) + l1; int k3 = ((l2 - i2) * rv >> 8) + i2; pix0[i] = 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 < bits; l1++) { if (bit_f[l1] != 0) { continue; } bit_px[l1] = m_mouseX; bit_py[l1] = m_mouseY; double d = rand.nextDouble() * 6.2800000000000002D; double d1 = rand.nextDouble(); bit_vx[l1] = Math.sin(d) * d1; bit_vy[l1] = Math.cos(d) * d1; bit_l[l1] = (int) (rand.nextDouble() * 100D) + 100; bit_p[l1] = (int) (rand.nextDouble() * 3D); bit_c[l1] = j1; bit_sx[l1] = m_mouseX; bit_sy[l1] = m_nAppY - 5; bit_f[l1] = 2; if (++k1 == bit_max) { break; } } if (bit_sound > 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 i = 0; i < bits; i++) { switch (bit_f[i]) { default: break; case 1: // '/001' bit_vy[i] += rand.nextDouble() / 50D; bit_px[i] += bit_vx[i]; bit_py[i] += bit_vy[i]; bit_l[i]--; if (bit_l[i] == 0 || bit_px[i] < 0.0D || bit_py[i] < 0.0D || bit_px[i] > (double) m_nAppX || bit_py[i] > (double) (m_nAppY - 3)) { bit_c[i] = 0xff000000; bit_f[i] = 0; } else if (bit_p[i] == 0) { if ((int) (rand.nextDouble() * 2D) == 0) { bit_set((int) bit_px[i], (int) bit_py[i], -1); } } else { bit_set((int) bit_px[i], (int) bit_py[i], bit_c[i]); } break; case 2: // '/002' bit_sy[i] -= 5; if ((double) bit_sy[i] <= bit_py[i]) { bit_f[i] = 1; flag2 = true; } if ((int) (rand.nextDouble() * 20D) == 0) { int j = (int) (rand.nextDouble() * 2D); int k = (int) (rand.nextDouble() * 5D); bit_set(bit_sx[i] + j, bit_sy[i] + k, -1); } break; } } if (flag2 && bit_sound > 0) { sound1.play(); } } void bit_set(int i, int j, int k) { int l = i + j * m_nAppX; pix0[l] = k; } }

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