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        <title>Yz-Learning Base Wiki - game-engineer</title>
        <description></description>
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        <lastBuildDate>Sat, 08 Aug 2026 12:16:15 +0000</lastBuildDate>
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        <item>
            <title> - 作成</title>
            <link>https://www.yz-learning.com/doku.php?id=game-engineer:classes:2025:game-programing-basic:first-term:04-30-0203&amp;rev=1785555115</link>
            <description></description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Sat, 01 Aug 2026 03:31:55 +0000</pubDate>
        </item>
        <item>
            <title>ゲームを作っていくぅ</title>
            <link>https://www.yz-learning.com/doku.php?id=game-engineer:classes:2025:something-else:summertime-special-cource:console-1&amp;rev=1785477091</link>
            <description>ゲームを作っていくぅ

まず、いつもの通りプロジェクトを作ります。

今回はコンソールアプリなので、Visual Studioでも、Replitでも、paiza.ioでも実行できます。

（もう何も見ないでプロジェクトを作れない人はいないよね……？）</description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Fri, 31 Jul 2026 05:51:31 +0000</pubDate>
        </item>
        <item>
            <title>GE1A</title>
            <link>https://www.yz-learning.com/doku.php?id=game-engineer:classes:2025:gamemath&amp;rev=1781155475</link>
            <description>GE1A

	*  ゲーム数学2回目（演習） 
	*  ゲーム数学4回目（演習 10/10） 
		*  演習 10/10 の　解答 

	*  ゲーム数学6回目（演習 10/21） 
		*  2枚目解答（演習 10/21） 

	*  ゲーム数学??回目（物理演習 1/22） 
		*  ゲーム数学??回目（物理演習 1/27 解答） 

	*  ゲーム数学03回目　合成変換 
		*  ゲーム数学03回目　合成変換 解答編</description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Thu, 11 Jun 2026 05:24:35 +0000</pubDate>
        </item>
        <item>
            <title>解答例 - 作成</title>
            <link>https://www.yz-learning.com/doku.php?id=game-engineer:classes:2025:gamemath2:02&amp;rev=1780322610</link>
            <description>解答例

----------

問題1

\[
T = \begin{bmatrix} 1 &amp; 0 &amp; 0 \\ 0 &amp; 1 &amp; 0 \\ 4 &amp; -1 &amp; 1 \end{bmatrix}
\]

答え：

\[
(6, 2)
\]

----------

問題2

\[
S = \begin{bmatrix} 3 &amp; 0 &amp; 0 \\ 0 &amp; 2 &amp; 0 \\ 0 &amp; 0 &amp; 1 \end{bmatrix}
\]

答え：

\[
(6, 6)
\]

----------

問題3

\[
R = \begin{bmatrix} 0 &amp; 1 &amp; 0 \\ -1 &amp; 0 &amp; 0 \\ 0 &amp; 0 &amp; 1 \end{bmatrix}
\]

答え：

\[
(0, 1)
\]

----------

問題4

\[
S = \begin{bmatrix} 2 &amp; 0 &amp; 0 \\ 0 &amp; 3 &amp; 0 \\ 0 &amp; 0 &amp; 1 \end{bmatrix}
\]

\[
T = \begin{bmatrix} 1 &amp; 0 &amp; 0 \\ 0 &amp; 1 &amp; 0 \\ 5 &amp; -1 &amp; 1 …</description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Mon, 01 Jun 2026 14:03:30 +0000</pubDate>
        </item>
        <item>
            <title>同次変換・アフィン変換 練習問題</title>
            <link>https://www.yz-learning.com/doku.php?id=game-engineer:classes:2025:gamemath2:01&amp;rev=1779165353</link>
            <description>同次変換・アフィン変換 練習問題

2D・3D / DirectX11形式

----------

導入：右から掛けるルールと左から掛けるルール

3Dグラフィックスの行列計算では、資料やライブラリによって点と行列の掛け方\[
P&#039; = M P
\]\[
P&#039; = P M
\]\(P(x, y)\)\[
P = \begin{bmatrix} x \\ y \\ 1 \end{bmatrix}
\]\[
P&#039; = M P
\]\(t_x\)\(t_y\)\[
T = \begin{bmatrix} 1 &amp; 0 &amp; t_x \\ 0 &amp; 1 &amp; t_y \\ 0 &amp; 0 &amp; 1 \end{bmatrix}
\]\[
P&#039; = T P
\]\[
\begin{bmatrix} x&#039; \\ y&#039; \\ 1 \end{bmatrix} = \begin{bmatrix} 1 &amp; 0 &amp; t_x \\ 0 &amp; 1 &amp; t_y \\ 0 &amp; 0 &amp; 1 \end{bmatrix} \begin{bmatrix} x \\ y \\ 1 \end{bmatrix}
\]\[
x&#039; = 1 \tim…</description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 19 May 2026 04:35:53 +0000</pubDate>
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            <title>q12.png - 作成</title>
            <link>https://www.yz-learning.com/doku.php?image=game-engineer%3Aclasses%3A2025%3Agamemath%3Aq12.png&amp;ns=game-engineer%3Aclasses%3A2025%3Agamemath&amp;rev=1760426581&amp;do=media</link>
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            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 14 Oct 2025 07:23:01 +0000</pubDate>
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            <title>q13.png - 作成</title>
            <link>https://www.yz-learning.com/doku.php?image=game-engineer%3Aclasses%3A2025%3Agamemath%3Aq13.png&amp;ns=game-engineer%3Aclasses%3A2025%3Agamemath&amp;rev=1760426581&amp;do=media</link>
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            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 14 Oct 2025 07:23:01 +0000</pubDate>
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            <title>q11.png - 作成</title>
            <link>https://www.yz-learning.com/doku.php?image=game-engineer%3Aclasses%3A2025%3Agamemath%3Aq11.png&amp;ns=game-engineer%3Aclasses%3A2025%3Agamemath&amp;rev=1760426581&amp;do=media</link>
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            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 14 Oct 2025 07:23:01 +0000</pubDate>
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            <title>q6.png - 作成</title>
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            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 14 Oct 2025 07:03:02 +0000</pubDate>
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            <title>q7.png - 作成</title>
            <link>https://www.yz-learning.com/doku.php?image=game-engineer%3Aclasses%3A2025%3Agamemath%3Aq7.png&amp;ns=game-engineer%3Aclasses%3A2025%3Agamemath&amp;rev=1760425382&amp;do=media</link>
            <description>&lt;img src=&quot;https://www.yz-learning.com/lib/exe/fetch.php?w=500&amp;amp;h=500&amp;amp;tok=abb4d4&amp;amp;media=game-engineer:classes:2025:gamemath:q7.png&quot; alt=&quot;q7.png&quot; loading=&quot;lazy&quot; width=&quot;500&quot; height=&quot;500&quot; /&gt;</description>
            <author>root@undisclosed.example.com (root)</author>
            <pubDate>Tue, 14 Oct 2025 07:03:02 +0000</pubDate>
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