質問編集履歴
4
cosの図の修正
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@@ -77,7 +77,8 @@
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```
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### 追記②
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80
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cosの図が間違ってたので修正しました。
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### メモ
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メモ追記
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### 追記②
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### メモ
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83
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84
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nDir・forward = cosθ
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85
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v=nDir/cosθ
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86
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v=nDir/nDir・forward
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2
図の挿入
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Debug.Log("cubeViewport2.y：" + cubeViewport2.y); //0.5999997
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Debug.Log("cubeViewport2.z：" + cubeViewport2.z); //7.229684
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Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //9.727413
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```
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```
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### 追記②
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80
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1
追記
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@@ -54,4 +54,24 @@
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```
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Camera.main.transform.forward * 5 は、x,yに影響を与えないかと思っていたのですが、
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56
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なぜ、cubeViewport.xが0.8fに、cubeViewport.yが0.6fにならないのでしょうか？
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57
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誤差にしては大き過ぎると思いました。
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誤差にしては大き過ぎると思いました。
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59
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### 追記
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60
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61
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```C#
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62
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Vector3 worldpos = Camera.main.ViewportToWorldPoint(new Vector3(0.8f, 0.6f, 5f));
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63
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cube.transform.position = worldpos;
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64
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Vector3 cubeViewport = Camera.main.WorldToViewportPoint(cube.transform.position);
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Debug.Log("cubeViewport.x：" + cubeViewport.x); //0.7999997
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Debug.Log("cubeViewport.y：" + cubeViewport.y); //0.5999997
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Debug.Log("cubeViewport.z：" + cubeViewport.z); //5
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Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //6.727412
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69
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Vector3 dir = cube.transform.position - Camera.main.transform.position;
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cube.transform.position = cube.transform.position + Vector3.Normalize(dir)*3;
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Vector3 cubeViewport2 = Camera.main.WorldToViewportPoint(cube.transform.position);
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Debug.Log("cubeViewport2.x：" + cubeViewport2.x); //0.7999997
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Debug.Log("cubeViewport2.y：" + cubeViewport2.y); //0.5999997
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75
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Debug.Log("cubeViewport2.z：" + cubeViewport2.z); //7.229684
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76
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Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //9.727413
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77
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```
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