Quad (简体中文)
这是带纹理坐标信息的四边形。
可以选择纹理的一部分进行绘画。用这种方法，能够读取一张大图 texture atlas，分割成小图。
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Quads 'bleed' when scaled, rotated or drawn at non-integer coordinates, even within SpriteBatches, to compensate for this, use 1px borders around the textures inside the texture atlas (preferably with the same colors as the actual border) |
建立
| love.graphics.newQuad | Creates a new Quad. |
函数
| Object:release | Immediately destroys the object's Lua reference. |  11.0 |
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| Object:type | Gets the type of the object as a string. | ||
| Object:typeOf | Checks whether an object is of a certain type. | ||
| Quad:flip | Flips this quad horizontally, vertically, or both. |  0.9.0
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| Quad:getLayer | Gets the layer specified by Quad:setLayer. | 11.0 |
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| Quad:getTextureDimensions | Gets reference texture dimensions initially specified in love.graphics.newQuad. | 0.10.2 |
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| Quad:getViewport | Gets the current viewport of this Quad. | ||
| Quad:setLayer | Sets the layer to use in Array Textures. | 11.0 |
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| Quad:setViewport | Sets the texture coordinates according to a viewport. |
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