用于HTML5帆布游戏的Tileset [英] Tileset for HTML5 canvas game

问题描述

我试图在HTML5画布上制作游戏，但不想上传大量图片，而只想上传一张包含所有图块的图片。问题是，我不知道如何只显示图像的一部分。基本上我想要做Google用这张图片做的事情：（MDC）

I'm trying to make a game in HTML5 canvas, but instead of uploading a ton of images I want to just upload one image that has all of the tiles on it. The problem is, I don't know how to make only one part of the image show up. Basically I want to do what Google does with this image: http://www.google.com/images/srpr/nav_logo27.png except with fixed height/width tiles. Can someone explain to me how to do this? Also, if it's different in canvas than in a regular html page without canvas, how would I do it in canvas?

解决方案

You can use the slicing parameters of drawImage

drawImage(image, sx, sy, sWidth, sHeight, dx, dy, dWidth, dHeight)

• sx, sy: left and top offset of the part to be sliced
• sWidth, sHeight: dimensions of the part to be sliced
• dx, dy: left and top offset for the image on the canvas to be rendered at
• dWidth, dHeight: image dimensions on the canvas

More info at: Using images - Slicing (MDC)

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