質問編集履歴
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ソースコードを記載しました。
test
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File without changes
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test
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@@ -17,3 +17,95 @@
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boolean型の変数にprivateをつけ、外部から変更できないようにし、trueかfalseの判別はゲッターを用いて行った。
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また、イテレータではなく、拡張for文で行った。
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```java
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class Figure3D{
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static ArrayList<Point3D> list = new ArrayList<Point3D>();
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static void prim(double r, double th, double phi, boolean draw){
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double D2R = Math.PI/180.0;
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double x, y, z;
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x = r*Math.sin(th*D2R)*Math.sin(phi*D2R);
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y = r*Math.cos(th*D2R);
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z = r*Math.sin(th*D2R)*Math.cos(phi*D2R);
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list.add(new Point3D(x, y, z, draw));
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}
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static void display(double alpha, double beta, int px, int py, Graphics g){
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int _dx = 0, _dy = 0, dx = 0, dy = 0;
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Point p2d;
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int N = list.size();
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int i = 0;
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for(Point3D p: list){
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p2d = p.get2D(alpha, beta, px, py);
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dx = (int)p2d.getX();
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dy = (int)p2d.getY();
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if(i++ > 0){ //ここで、trueかfalseを判別し以下の動作を行いたい
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g.setColor(Color.getHSBColor((float)i/N, 1.0f, 1.0f));
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g.drawLine(_dx, _dy, dx, dy);
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}
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_dx = dx;
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_dy = dy;
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}
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}
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}
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class Point3D{
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private double x, y, z;
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boolean d;
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Point3D(double _x, double _y, double _z, boolean _d){
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x = _x;
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y = _y;
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z = _z;
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d = _d;
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}
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Point get2D(double alpha, double beta, int px, int py){
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}
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}
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110
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```
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