/**
* @param tn - TreeNode object
* @param even - Vertical or horizontal cuts
* @param left - left or right
* @param pivot - Pivot point This function recursively draws the binary tree and displays how the
* tree slices the unit square. It works by sending it the current node to draw, whether or
* not it is a vertical cut, whether or not it is a left node, and a "pivot" point. The pivot
* point tells the method where to start and stop the line.
*/
private void drawPoints(TreeNode tn, boolean even, boolean left, double pivot) {
if (tn == null) return;
StdDraw.setPenColor();
// StdDraw.filledCircle(tn.p.x(), tn.p.y(), .005);
if (even) { // Vertical cuts
StdDraw.setPenColor(Color.red);
if (left) {
StdDraw.line(tn.p.x(), 0, tn.p.x(), pivot);
} else {
StdDraw.line(tn.p.x(), pivot, tn.p.x(), 1);
}
pivot = tn.p.x();
} else { // Horizontal cuts
StdDraw.setPenColor(Color.blue);
if (left) {
StdDraw.line(0, tn.p.y(), pivot, tn.p.y());
} else {
StdDraw.line(pivot, tn.p.y(), 1, tn.p.y());
}
pivot = tn.p.y();
}
StdDraw.setPenColor();
StdDraw.filledCircle(tn.p.x(), tn.p.y(), .007);
drawPoints(tn.left, !even, true, pivot);
drawPoints(tn.right, !even, false, pivot);
} // End drawPoints() function
public void drawGame() {
StdDraw.clear(StdDraw.GRAY);
// Set Color
StdDraw.setPenColor(StdDraw.YELLOW);
// Set Font
setFont(new Font("SansSerif", Font.PLAIN, 32));
// X, Y, String, rotation degree
// Write String
this.text(1 - 0.3, 1 - 0.1, blockP.x + ", " + blockP.y, 0);
// Set Color
StdDraw.setPenColor(StdDraw.ORANGE);
// Set Font
setFont(new Font("SansSerif", Font.PLAIN, 50));
// Write String
this.text(1 - 0.3, 1 - 0.3, "START!", 20);
StdDraw.setPenColor(StdDraw.BLACK);
for (int i = 0; i < map.length; i++) {
for (int j = 0; j < map[i].length; j++) {
if (map[i][j] > 0) {
Point2D vLoc = map2Visual(i, j);
System.out.println(i + ", " + j + ", " + vLoc);
StdDraw.filledCircle(vLoc.getX(), vLoc.getY(), radius);
}
}
}
}
private void drawNode(TreePosition p, Node x) {
StdDraw.setPenColor(Color.GREEN);
StdDraw.filledCircle(p.x, p.y, 0.3);
StdDraw.setPenColor(Color.RED);
StdDraw.text(p.x, p.y, x.key.toString());
StdDraw.setPenColor(Color.BLACK);
}