int main ()
{
using namespace Graph_lib; // our graphics facilities are in Graph_lib namespace
constexpr Point pt{100,100}; // to become top left corner of window
Simple_window win {pt, 600, 400,"ch13.5_LineStile"}; // make a simple window, {top_left, width, hight, title}
const int x_size = win.x_max();
const int y_size = win.y_max();
const int x_grid = 80;
const int y_grid = 40;
Lines grid;
for (int x=x_grid; x<x_size; x+=x_grid)
grid.add(Point{x,0},Point{x,y_size}); // vertical line
for (int y=y_grid; y<y_size; y+=y_grid)
grid.add(Point{0,y},Point{x_size,y}); // horizontal line
grid.set_color(Color::red); // set color (chould affect both lines
//grid.set_style(Line_style{Line_style::dot,2});
//grid.set_style(Line_style::dashdot);
grid.set_style(Line_style{Line_style::dashdot,2});
win.attach(grid);
win.wait_for_button(); // display!
}
void test_grid(Simple_window &win) {
static const int x_size {win.x_max()}, y_size {win.y_max()};
constexpr int x_grid {80}, y_grid {40};
Lines grid;
for (int x {x_grid}; x < x_size; x += x_grid)
grid.add(Point{x, 0}, Point{x, y_size});
for (int y {y_grid}; y < y_size; y += y_grid)
grid.add(Point{0, y}, Point{x_size, y});
grid.set_color(Color::yellow);
grid.set_style(Line_style{Line_style::dash, 2});
win.attach(grid);
win.wait_for_button();
}
int main(){
double a, b, m, n; // スーパー楕円のパラメータ
int N; // 選択する点の数
cin >> a >> b >> m >> n >> N;
Simple_window win(Point(100, 100), 640, 480, "q12_12");
const int sx = win.x_max() / 2; // 原点
const int sy = win.y_max() / 2;
const int scale = 100; // スケール
int x, y; // 座標
double angle = 0; // 角度（θ）
Mark m0(Point(sx, sy), 'X'); // 中心点
Lines lines;
vector<Point> vp;
m = 1 / (m / 2); // 2乗になるようにし、逆数をとる
n = 1 / (n / 2);
for(int i = 0; i < N; ++i){
int rs = sin(angle) < 0 ? -1 : 1; // sinの符号をとる
int rc = cos(angle) < 0 ? -1 : 1; // cosの符号をとる
x = sx + a * scale * pow(abs(sin(angle)), m) * rs; // 絶対値を累乗し、後で符号をかける
y = sy - b * scale * pow(abs(cos(angle)), n) * rc;
vp.push_back(Point(x, y));
angle += 2 * M_PI / N; // N角形の内角
}
for(int i = 0; i < vp.size(); ++i){
for(int j = i + 1; j < vp.size(); ++j){
lines.add(vp[i], vp[j]);
}
}
lines.set_style(Line_style(Line_style::solid, 2));
lines.set_color(Color::blue);
win.attach(lines);
win.attach(m0);
win.wait_for_button();
}
void drill(Simple_window &win) {
static const int x_size {win.x_max()}, y_size {win.y_max()};
constexpr int num_x {8}, num_y {8};
const int x_grid {x_size / num_x}, y_grid {y_size / num_y};
Lines grid;
for (int x {x_grid}; x < x_size; x += x_grid)
grid.add(Point{x, 0}, Point{x, y_size});
for (int y {y_grid}; y < y_size; y += y_grid)
grid.add(Point{0, y}, Point{x_size, y});
Vector_ref<Rectangle> vr;
for (int i {0}; i < num_x; ++i) {
vr.push_back(new Rectangle{Point{x_grid * i, y_grid * i},
x_grid, y_grid});
vr[vr.size() - 1].set_fill_color(Color::red);
win.attach(vr[vr.size() - 1]);
}
grid.set_color(Color::yellow);
grid.set_style(Line_style{Line_style::dash, 2});
win.attach(grid);
Image img1 {Point{x_grid * 2, 0}, "../snow_cpp.gif", Suffix::gif};
img1.set_mask(Point{0, 0}, 200, 200);
Image img2 {Point{0, y_grid * 4}, "../snow_cpp.gif", Suffix::gif};
img2.set_mask(Point{0, 0}, 200, 200);
Image img3 {Point{x_grid * 3, y_grid * 6}, "../snow_cpp.gif", Suffix::gif};
img3.set_mask(Point{0, 0}, 200, 200);
win.attach(img1);
win.attach(img2);
win.attach(img3);
for (int i {0}; i < num_x; ++i) {
for (int j {0}; j < num_y; ++j) {
Image img4 {Point{x_grid * i, y_grid * j}, "img.jpg", Suffix::jpg};
img4.set_mask(Point{0, 0}, 100, 100);
win.attach(img4);
win.wait_for_button();
}
}
win.wait_for_button();
}
