Phiên bản đầy đủ: jsB@nk » Trò chơi » UFO tấn công
URL: https://www.javascriptbank.com/mouse-invaders-index.html
Hiệu ứng tạo các UFO bay quanh và tấn công con trỏ chuột.
Phiên bản đầy đủ: jsB@nk » Trò chơi » UFO tấn công
URL: https://www.javascriptbank.com/mouse-invaders-index.html
<script>var starttime = 10000; // time before script starts, in millisecondsvar ufocontrol = true; // can UFOs be turned off? true or falsevar nImpactos = 3;var nOvnis = 3;var Xpos = 0;var Ypos = 0;var STOPACCEL = 10;var TAMOVNI = 20;var REBOTE = 0.65;var isNetscape = navigator.appName == "Netscape";var impactoActual = 0;var ovnis = new Array();var disparos = new Array();var impactos = new Array();var impactos2 = new Array();var activos = true;var fondoMovil = false;var backgroundOffset = 0;init();function changeUFOs(element) {activos = element.checked;}function init() {var text;var i = 0;text = "<div id=imp20 style='POSITION: absolute;'>";text += "<img src='impact2.gif' WIDTH=11 height=14 align=bottom></div>";for (i = 0; i < nImpactos; i++) {text += "<div id=imp1" + i + " style='POSITION: absolute;'>";text += "<img src='impact1.gif' WIDTH=23 height=31 align=bottom></div>";}for (i = 0; i < nOvnis; i++) {text += "<div id=dis" + i + " style='POSITION: absolute;'>";text += "<img src='bullet.gif' WIDTH=5 height=5 align=bottom></div>";}for (i = 0; i < nOvnis; i++) {text += "<div id=ovn" + i + " style='POSITION: absolute;'>";text += "<img src='alien.gif' WIDTH=29 height=24 align=bottom></div>";}text += "\n";document.write(text);for (i = 0; i < 1; i++) {impactos2[i] = new impacto2(i);impactos2[i].obj.left = -25;impactos2[i].obj.top = -25;}for (i = 0; i < nImpactos; i++) {impactos[i] = new impacto1(i);impactos[i].obj.left = -50;impactos[i].obj.top = -50;}for (i = 0; i < nOvnis; i++) {disparos[i] = new disparo(i);disparos[i].obj.left = -5;disparos[i].obj.top = -5;}for (i = 0; i < nOvnis; i++) {ovnis[i] = new ovni(i);ovnis[i].obj.left = -29;ovnis[i].obj.top = -24;}if (ufocontrol) {document.write('<form style="text-align: center">');document.write('<input type=checkbox onClick="changeUFOs(this)" CHECKED>');document.write('<b>Turn On/Off UFOs</b>');document.write('</form>');}if (isNetscape) {startanimate();}else {setTimeout("startanimate()", starttime); }}function impacto1(i) {this.X = -20;this.Y = -20;if (isNetscape) {this.obj = eval("document.imp1" + i);}else {this.obj = eval("imp1" + i + ".style"); }}function impacto2(i) {if (isNetscape) {this.obj = eval("document.imp2" + i);}else {this.obj = eval("imp2" + i + ".style"); }}function disparo(i) {this.X = -5;this.Y = -5;this.dx = 0;this.dy = 0;this.estado = 0;if (isNetscape) { this.obj = eval("document.dis" + i);}else {this.obj = eval("dis" + i + ".style"); }}function ovni(i) {this.X = -30;this.Y = -30;this.dx = 0;this.dy = 0;if (isNetscape) { this.obj = eval("document.ovn" + i);}else {this.obj = eval("ovn" + i + ".style"); }}function startanimate() {setInterval("animate()", 32);}function MoveHandlerN(e) {Xpos = e.pageX;Ypos = e.pageY; return true;}function MoveHandlerIE() {Xpos = window.event.x + document.body.scrollLeft;Ypos = window.event.y + document.body.scrollTop; }if (isNetscape) {document.captureEvents(Event.MOUSEMOVE);document.onMouseMove = MoveHandlerN;}else {document.onmousemove = MoveHandlerIE;}function animate() {var deltaX, deltaY, height, width;if (activos) {for (i = 0;i < nOvnis;i++) {if (Xpos > ovnis[i].X) ovnis[i].dx += (i+1)/5;else ovnis[i].dx -= (i+1)/5;if (ovnis[i].dx > STOPACCEL) ovnis[i].dx = STOPACCEL;if (-ovnis[i].dx > STOPACCEL) ovnis[i].dx = -STOPACCEL;if (Ypos > ovnis[i].Y) ovnis[i].dy += (i+1)/5;else ovnis[i].dy -= (i+1)/5;if (ovnis[i].dy > STOPACCEL) ovnis[i].dy = STOPACCEL;if (-ovnis[i].dy > STOPACCEL) ovnis[i].dy = -STOPACCEL;ovnis[i].X += ovnis[i].dx;ovnis[i].Y += ovnis[i].dy;deltaX = Xpos - ovnis[i].X - 10;deltaY = Ypos - ovnis[i].Y - 10;if ((disparos[i].estado == 0) && ((Math.abs(deltaX) + (Math.abs(deltaY))) < 100)) {disparos[i].dx = deltaX/10;disparos[i].dy = deltaY/10;disparos[i].estado++;}if ((disparos[i].estado > 0) && (disparos[i].estado < 12)) {disparos[i].X += disparos[i].dx;disparos[i].Y += disparos[i].dy;disparos[i].estado++;}else {if (disparos[i].estado != 0) {impactoActual++;if (impactoActual >= nImpactos) {impactoActual = 1;}impactos2[0].obj.left = impactos[impactoActual].X + 5;impactos2[0].obj.top = impactos[impactoActual].Y + 13;impactos[impactoActual].X = disparos[i].X - 10;impactos[impactoActual].Y = disparos[i].Y - 14;impactos[impactoActual].obj.left = impactos[impactoActual].X;impactos[impactoActual].obj.top = impactos[impactoActual].Y;}disparos[i].X = ovnis[i].X+10;disparos[i].Y = ovnis[i].Y+10;disparos[i].estado = 0;}if (isNetscape) {height = window.innerHeight + document.scrollTop;width = window.innerWidth + document.scrollLeft;}else {height = document.body.clientHeight + document.body.scrollTop;width = document.body.clientWidth + document.body.scrollLeft;}if (ovnis[i].Y >= height - TAMOVNI - 1) {if (ovnis[i].dy > 0) {ovnis[i].dy = REBOTE * -ovnis[i].dy;}ovnis[i].Y = height - TAMOVNI - 1;}if (ovnis[i].X >= width - TAMOVNI) {if (ovnis[i].dx > 0) {ovnis[i].dx = REBOTE * -ovnis[i].dx;}ovnis[i].X = width - TAMOVNI - 1;}if (ovnis[i].X < 0) {if (ovnis[i].dx < 0) {ovnis[i].dx = REBOTE * -ovnis[i].dx;}ovnis[i].X = 0;}if (ovnis[i].Y < 0) {if (ovnis[i].dy < 0) {ovnis[i].dy = REBOTE * -ovnis[i].dy;}ovnis[i].Y = 0;}ovnis[i].obj.left = ovnis[i].X;ovnis[i].obj.top = ovnis[i].Y;disparos[i].obj.left = disparos[i].X;disparos[i].obj.top = disparos[i].Y; }}else {if (impactoActual != nImpactos+1){ //while the UFO's are offfor (i = 0;i < nOvnis;i++) {ovnis[i].obj.left = -50;ovnis[i].obj.top = -50;disparos[i].obj.left = -10;disparos[i].obj.top = -10;}for (i = 1;i < nImpactos;i++) {impactos[i].obj.left = -20;impactos[i].obj.top = -20;}impactos2[0].obj.left = -20;impactos2[0].obj.top = -20;impactoActual = nImpactos+1; } }}</script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->http://javascriptbank.com/javascript/game/Mouse_Invaders/alien.gifhttp://javascriptbank.com/javascript/game/Mouse_Invaders/bullet.gifhttp://javascriptbank.com/javascript/game/Mouse_Invaders/impact1.gifhttp://javascriptbank.com/javascript/game/Mouse_Invaders/impact2.gif