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【正文】 be limited to more conventional animation tasks. Inevitably, everyone is always on the hunt for a Web animation system that doesn39。t an officially recognised standard because well over 90 per cent of Inter users already have the plugin installed: we39。ll press down to almost unfeasibly small file sizes. In practically every test, from simple rollover type and button effects to plete sequences, you39。t bad enough having to make all your static graphics 72dpi, any attempt at animation involves considerable cramming effort. What this means, at least until large screens and fast Inter connections bee the norm, is you can39。s that tiny little screen, the narrow bandwidth and the uncertainty that vast numbers of your audience might not be able to see what you want them to. Everything to do with Web design is about downsizing. And if it wasn39。s not really animation. While the World Wide Web Consortium squandered most of the 1990s considering some proper animation technologies, Macromedia just went for it. The result was Flash, a system of playing back selfcontained movies containing vectorbased graphics and text within a Web page or independently running in a Web browser. The advantages of the Flash approach are considerable, and getting more pelling as time goes on. In the first instance, the vector nature of Flash movies allows you to include quite plex graphics and sequences in the confidence that they39。t matter that Flash isn39。 if not, you39。 讓我們面對(duì)它 ,網(wǎng)絡(luò)是令人失望的。 早在 1994年 ,斯梅金 ,男孩在商業(yè)網(wǎng)站開發(fā)想出了一個(gè)極其基本的形式，發(fā)送連續(xù)動(dòng)畫 GIF圖像到瀏覽器。動(dòng)畫 gif的局限性是眾所周知的 ,但讓我們總結(jié)他們吧。最大的缺點(diǎn)是它沒有任何的有趣之處 ,結(jié)果它變得俗不可耐。更好的是 ,還是 Flash動(dòng)畫可合并事件和反應(yīng)用戶的輸入 ,使它適應(yīng)接口 ,開發(fā)定制的網(wǎng)頁(yè)的 HTML不希望去模仿。雖然 Flash是有趣的 ,但這并不是一個(gè)完整的多媒體環(huán)境。如果不是 ,你則會(huì)被限制到更多的傳統(tǒng)動(dòng)畫的任務(wù)中。在大家都在談?wù)摰臒衢T技術(shù)中，目前能勝過動(dòng)畫，在將來(lái)的某個(gè)時(shí)候可擴(kuò)展的是矢量圖形 ,或者 SVG。 XML支持在動(dòng)態(tài)矢量圖形或動(dòng)畫時(shí)可以連接各種數(shù)據(jù) ,從而可能從根本上改變網(wǎng)頁(yè)內(nèi)容的發(fā)送。動(dòng)畫是未來(lái)幾年內(nèi)行動(dòng)的來(lái)源 ,至少 ,如果不是無(wú)限期的。另一個(gè)限制是寶貴的幾個(gè)圖形包裹還不能支持 SVG，除了 Adobe Illustrator9和 Photoshop 6。再者 ,它是用平底鍋和縮放功能。對(duì)所有意圖和目的 ,一個(gè) CyberSpot序列看起來(lái)有點(diǎn)像一個(gè)基本的動(dòng)畫影片與音頻 ,但在加載時(shí)在頃刻之間沒有 任何的開場(chǎng)白。然而 ,不像閃電 ,沖擊波插件是一個(gè)漫長(zhǎng)的下載 ,并需要有些煩瑣的安裝過程 ,其中包括在一個(gè)時(shí)間點(diǎn)上退出你的網(wǎng)頁(yè)瀏覽器。首先 ,它要求你的聽眾安裝一個(gè)插件的動(dòng)畫播放器。閃光方法的優(yōu)點(diǎn)是很可觀的 ,而且隨著時(shí)間的推移越來(lái)越更引人注目。近來(lái) ,設(shè)計(jì)師們已經(jīng)能夠產(chǎn)生基本路徑運(yùn)動(dòng)為靜態(tài)圖像使用 DHTML。一個(gè) ,這意味著他的瀏覽器總是硬盤攪動(dòng) ,下半截是通常散布在空格為接下來(lái)的每幀載入。這是什么意思 ,至少直到大屏幕和高速互聯(lián)網(wǎng)連接成為一種標(biāo)準(zhǔn) ,你已經(jīng)無(wú)法對(duì)視頻做什么。s claim that Flash is the real Web animation standard, officially recognised or not. With a widening range of design products now capable of exporting to Flash, including Illustrator and FreeHand, not to mention LiveMotion, Flash is where the action39。s even a lively market for cartoons and games using Shockwave and its offline player ShockMachine. Unlike Flash, however, the Shockwave plu
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