我正在玩一个游戏,我希望照相机在两个角色的旁边,距离两个角色之间的中心点大约10米,轮流,这样从两者之间的线到90度。
http://i43.tinypic.com/2008w89.jpg/。
我正在玩一个游戏,我希望照相机在两个角色的旁边,距离两个角色之间的中心点大约10米,轮流,这样从两者之间的线到90度。
http://i43.tinypic.com/2008w89.jpg/。
具体要点的坐标为:
病媒:
<>C>/strong> = (B+A)/2 + - 1/2* Perpendicular (B-A)
BAx = Bx-Ax; BAy = By-Ay
BAPerpX = - BAy ; BAPerpY = BAx
Cx = Ax/2 +Bx/2 +- BAPerpX/2
Cy = Ay/2 +By/2 +- BAPerpY/2
标识+或 - 和点 C将留待或有权与A-B线路相对照
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