picFollow = new Image(); picFollow.src = "bomb.gif"; picExplosion = new Image(); picExplosion.src = "explode.gif"; document.onmousemove = getMousePosition; document.onmouseout = pauseBomb; document.write("

"); document.write("
"); var picX = 20; var picY = 100; var step = 10; var speed = 100; var tolerance = step/2 +1; var mouseX = 0; var mouseY = 0; var mouseOut = true; var followMouse = false; myInterval = setInterval('moveBomb()', speed); function pauseBomb() { mouseOut = true; } function getMousePosition(e) { mouseX = window.event.x + document.body.scrollLeft; mouseY = window.event.y + document.body.scrollTop; mouseOut = false; if (followMouse) { diva.style.left = mouseX - pic.width / 2; diva.style.top = mouseY - pic.height / 2; } } function calcNewPos() { if (mouseX == picX) return; arg = (mouseY-picY) / (mouseX-picX); mult = 1; if (mouseX - picX < 0) mult = -1; alpha = Math.atan(arg); dx = mult * step * Math.cos(alpha); dy = mult * step * Math.sin(alpha); picX += dx; picY += dy; } function collision() { if ((Math.abs(picX-mouseX) < tolerance) && (Math.abs(picY-mouseY) < tolerance) && (!mouseOut)) return true; return false; } function hideAnimation() { diva.style.visibility = "hidden"; } function moveBomb() { calcNewPos(); window.status = "("+mouseX+","+mouseY+")"; diva.style.left = picX - pic.width / 2; diva.style.top = picY - pic.height / 2; if (collision()) { clearInterval(myInterval); pic.src = picExplosion.src; followMouse = true; setTimeout('hideAnimation()', 2000); } }
Site hosted by Angelfire.com: Build your free website today!

Free JavaScripts provided
by The JavaScript Source