package sample.svg;
import static util.SVGUtil.*;

public class CharTurtle {
    private static final int charRange[][] = {
        { 0x1f601, 0x1f610 },
        { 0x1f612, 0x1f614 },
        { 0x1f616, 0x1f616 },
        { 0x1f618, 0x1f618 },
        { 0x1f61a, 0x1f61a },
        { 0x1f61c, 0x1f61e },
        { 0x1f620, 0x1f625 },
        { 0x1f628, 0x1f62b },
        { 0x1f62d, 0x1f62d },
        { 0x1f630, 0x1f633 },
        { 0x1f635, 0x1f637 },
    };
	
    private static int current = 0;
    private final static int nRanges = charRange.length;
    private static int c = -1;
	private static int nextChar() {
	    int nextC;
	        
	    if (c==-1) {
	        c = charRange[current][0];
	    }   
	    nextC = c++;
	    if (c > charRange[current][1]) {
	        current++;
	        if (current >= nRanges) {
	            current = 0;
	        }    
	        c = charRange[current][0];
	    }   
	        
	    return nextC;
	}

	public static void main(String[] args) {
	    double fontSize = 6;                                   /* フォントサイズ */
	    int num = 20;                                          /* 描く文字の総数 */
	    double angle = 100;                                    /* 曲がる角度 */
	    int i, j, k=0;
	        
	    start();
	    rulers();
	    textFont("Arial", fontSize);
	    penUp();
	    turn(-36);
	    for (i=1; i<=num; i++) {
	        for (j=0; j<i; j++) {
	            fill(hsb1(k++/14.14, 1, 1));
	            say("&#x%x;", nextChar());
	            forward(fontSize);
	        }
	        turn(angle);
	    }
	    penDown();
	    finish();

	}


}