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happy886rr 发表于 2019-6-4 23:34

使图片三维旋转 bmp3

用GDI二维投影实现图片的简单三维旋转显示。(N久没写了,居然连C语言都忘了,代码过于糟糕就不贴了)
具体显示效果见附件。[attach]12018[/attach]
核心算法就几行[code]
int tx = (int)(d/(d+(i-AI)*sin(ra)+zo)*(j-YI));
int ty = (int)(d/(d+(i-AI)*sin(ra)+zo)*((i-AI)*cos(ra)+yo));
[/code]链接: [url]https://pan.baidu.com/s/1J_tpVEzgmGgrIB7jKqnPqA[/url] 提取码: 9f5a

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