PointGenerator.java

package org.poly2tri.triangulation.util;

import java.util.ArrayList;
import java.util.List;

import org.poly2tri.triangulation.TriangulationPoint;
import org.poly2tri.triangulation.point.TPoint;

public class PointGenerator {
	public static List<TriangulationPoint> uniformDistribution(int n,
			double scale) {
		ArrayList<TriangulationPoint> points = new ArrayList<TriangulationPoint>();
		for (int i = 0; i < n; i++) {
			points.add(new TPoint(scale * (0.5 - Math.random()), scale
					* (0.5 - Math.random())));
		}
		return points;
	}

	public static List<TriangulationPoint> uniformGrid(int n, double scale) {
		double x = 0;
		double size = scale / n;
		double halfScale = 0.5 * scale;

		ArrayList<TriangulationPoint> points = new ArrayList<TriangulationPoint>();
		for (int i = 0; i < n + 1; i++) {
			x = halfScale - i * size;
			for (int j = 0; j < n + 1; j++) {
				points.add(new TPoint(x, halfScale - j * size));
			}
		}
		return points;
	}
}