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覚書
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drawCircleHelper(中心x, 中心y, 半径, 位置, 色); | |
90、180、270度の弧を描画 | |
1:左上(90度) | |
2:右上(90度) | |
3:上(180度) | |
4:右下(90度) | |
5:左上右下(90度90度) | |
6:右(180度) | |
7:左下空き(270度) | |
8:左下(90度) | |
9:左(180度) | |
10:左下右上(90度90度) | |
11:右下空き(270度) | |
12:下(180度) | |
13:右上空き(270度) | |
14:左上空き(270度) | |
15:丸 | |
fillCircleHelper(中心x, 中心y, 半径, 位置, 幅, 色); | |
塗りつぶされた半円を描画 | |
幅の分センターから右に伸びる(半径は変わらない) | |
1:下 | |
2:上 | |
3:上下(センターに隙間) |
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