public static void draw_sierpinski_carpet(int levels, double x, double y, double width, double height, SierpinskiCanvas canvas)
{
canvas.drawSquare(0, 0, 100, 100);
}
public static void draw_sierpinski_carpet(int levels, double x, double y, double width, double height, SierpinskiCanvas canvas)
{
if (levels == 0)
{
return;
}
var newWidth = width / 3;
var newHeight = height / 3;
if (x == 0.0 && y == 0.0)
{
canvas.drawSquare(newWidth, newHeight, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, newWidth, newHeight, newWidth, newHeight, canvas);
return;
}
x = x + newWidth;
y = y + newHeight;
// Left
canvas.drawSquare(x - width, y, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x - width, y, newWidth, newHeight, canvas);
// Top Left
canvas.drawSquare(x - width, y - height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x - width, y - height, newWidth, newHeight, canvas);
// Top
canvas.drawSquare(x, y - height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x, y - height, newWidth, newHeight, canvas);
// Top Right
canvas.drawSquare(x + width, y - height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x + width, y - height, newWidth, newHeight, canvas);
// Right
canvas.drawSquare(x + width, y, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x + width, y, newWidth, newHeight, canvas);
// Bottom Right
canvas.drawSquare(x + width, y + height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x + width, y + height, newWidth, newHeight, canvas);
// Bottom
canvas.drawSquare(x, y + height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x, y + height, newWidth, newHeight, canvas);
// Bottom Left
canvas.drawSquare(x - width, y + height, newWidth, newHeight);
draw_sierpinski_carpet(levels - 1, x - width, y + height, newWidth, newHeight, canvas);
}
