質問編集履歴
4
cosの図の修正
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test
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@@ -156,7 +156,9 @@
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156
156
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157
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### 追記②
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158
158
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159
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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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160
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+
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159
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-
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3
メモ追記
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test
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@@ -157,3 +157,15 @@
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### 追記②
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158
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159
159
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160
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+
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161
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162
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163
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### メモ
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164
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165
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166
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167
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nDir・forward = cosθ
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168
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+
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169
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v=nDir/cosθ
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170
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+
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171
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v=nDir/nDir・forward
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2
図の挿入
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test
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@@ -151,3 +151,9 @@
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151
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Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //9.727413
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152
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153
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```
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154
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+
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155
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+
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156
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+
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157
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### 追記②
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158
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+
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159
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+
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1
追記
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test
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@@ -111,3 +111,43 @@
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111
111
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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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112
112
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113
113
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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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114
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+
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115
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+
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116
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+
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117
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### 追記
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118
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+
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119
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+
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120
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+
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121
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+
```C#
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122
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+
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123
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Vector3 worldpos = Camera.main.ViewportToWorldPoint(new Vector3(0.8f, 0.6f, 5f));
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124
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+
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125
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cube.transform.position = worldpos;
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126
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+
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127
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+
Vector3 cubeViewport = Camera.main.WorldToViewportPoint(cube.transform.position);
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128
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+
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129
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Debug.Log("cubeViewport.x：" + cubeViewport.x); //0.7999997
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130
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+
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131
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+
Debug.Log("cubeViewport.y：" + cubeViewport.y); //0.5999997
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132
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+
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133
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+
Debug.Log("cubeViewport.z：" + cubeViewport.z); //5
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134
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+
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|
135
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+
Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //6.727412
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136
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+
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137
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+
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138
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+
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139
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+
Vector3 dir = cube.transform.position - Camera.main.transform.position;
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140
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+
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141
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+
cube.transform.position = cube.transform.position + Vector3.Normalize(dir)*3;
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142
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+
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143
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+
Vector3 cubeViewport2 = Camera.main.WorldToViewportPoint(cube.transform.position);
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144
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+
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|
145
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+
Debug.Log("cubeViewport2.x：" + cubeViewport2.x); //0.7999997
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146
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+
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|
147
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+
Debug.Log("cubeViewport2.y：" + cubeViewport2.y); //0.5999997
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148
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+
|
|
149
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+
Debug.Log("cubeViewport2.z：" + cubeViewport2.z); //7.229684
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|
150
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+
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|
151
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+
Debug.Log(Vector3.Distance(Camera.main.transform.position, cube.transform.position)); //9.727413
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152
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+
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153
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+
```
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