質問編集履歴
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注釈
test
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test
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@@ -82,35 +82,21 @@
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```C++
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void neutral_coor(int rot_num, int x, int y){ //(90°回転を何回するか, 回転したいx座標, y座標)
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double degree = rot_num*90*(M_PI / 180); //弧度からラジアンへ
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double O_x = width*0.5; //xの回転中心
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double O_y = height*0.5; //yの回転中心
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double neutral_x = x*cos(degree) - y*sin(degree) + O_x*(1-cos(degree)) + O_y*sin(degree); //回転後のx
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using
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double neutral_y = x*sin(degree) + y*cos(degree) - O_x*sin(degree) + O_y*(1-cos(degree)); //回転後のy
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cout << "neutral_y is " << int(neutral_y) << endl;
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void neutral_coor(int rot_num, int x, int y){
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double degree = rot_num*90*(M_PI / 180);
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double O_x = width*0.5;
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double O_y = height*0.5;
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double neutral_x = x*cos(degree) - y*sin(degree) + O_x*(1-cos(degree)) + O_y*sin(degree);
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double neutral_y = x*sin(degree) + y*cos(degree) - O_x*sin(degree) + O_y*(1-cos(degree));
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cout << "neutral_y is " << trunc(neutral_y) << endl;
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cout << "neutral_x is " << t
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cout << "neutral_x is " << int(neutral_x) << endl;
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cout << endl;
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