角度，角度，角度！ [英] Angles, angles, angles!

问题描述

大家好！



我正试图为我的游戏添加角度。但是，当我添加这些角度时，他们只是不工作：

Hello everyone!

I am trying to add angles to my game. However,
when I add these angles, they just don''t work:

if (e.State.X < Cradle.GraphicsManager.PreferredBackBufferWidth / 2)
    this.Player.EntityHeadAngle = (int)Math.Atan2(e.State.X - Cradle.GraphicsManager.PreferredBackBufferWidth / 2, e.State.Y);

e.State.X = Mouse X,Y
Cradle.GraphicsManager.PreferredBackBufferWidth = Width, Height of the form. 

另外，还应该有一个else语句，但我还不知道怎么做这个，所以我不能去下一个。任何想法为什么这不起作用？



编辑：问题是当我向下看它面朝上时，当我向下看时它不做任何事情。

编辑：编辑：我正试图转头，但是当else语句到达时我翻转了纹理。

Also, there should also be an else statement, but I wasn''t sure how to do this one yet, so I couldn''t go to the next one. Any ideas why this doesn''t work?

The problem is when I look down it faces up, and when I look down it doesn''t do anything.
I''m trying to make a head turn, but I flip the Texture when the else statement arrives.

推荐答案

解决方案：

Solution:

Vector2 dPos = new Vector2(e.State.X - Cradle.GraphicsManager.PreferredBackBufferWidth / 2, e.State.Y - Cradle.GraphicsManager.PreferredBackBufferHeight / 2);
this.Player.EntityHeadAngle = (float)Math.Atan2(dPos.Y, dPos.X);

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