public void SetLocation(Point p)
{
this.x = p.GetX();
this.y = p.GetY();
}
public int DistanceTo(Point p)
{
int tx = (int) (this.x - p.x);
int ty = (int) (this.y - p.y);
return Loon.Utils.MathUtils.Sqrt(Loon.Utils.MathUtils.Mul(tx, tx) + Loon.Utils.MathUtils.Mul(ty, ty));
}
public void GetLocation(Point dest)
{
dest.SetLocation(this.x, this.y);
}
public Point(Point p)
{
this.CheckPoints();
this.SetLocation(p);
this.type = Loon.Core.Geom.ShapeType.POINT_SHAPE;
}
public void Set(Point.Point2i p)
{
this.x = p.x;
this.y = p.y;
}
public int DistanceTo(Point.Point2i p)
{
int tx = this.x - p.x;
int ty = this.y - p.y;
return Loon.Utils.MathUtils
.Sqrt(Loon.Utils.MathUtils.Mul(tx, tx) + Loon.Utils.MathUtils.Mul(ty, ty));
}
public int DistanceTo(Point.Point2i p1, Point.Point2i p2)
{
int tx = p2.x - p1.x;
int ty = p2.y - p1.y;
int u = Loon.Utils.MathUtils.Div(
Loon.Utils.MathUtils.Mul(x - p1.x, tx) + Loon.Utils.MathUtils.Mul(y - p1.y, ty),
Loon.Utils.MathUtils.Mul(tx, tx) + Loon.Utils.MathUtils.Mul(ty, ty));
int ix = p1.x + Loon.Utils.MathUtils.Mul(u, tx);
int iy = p1.y + Loon.Utils.MathUtils.Mul(u, ty);
int dx = ix - x;
int dy = iy - y;
return Loon.Utils.MathUtils
.Sqrt(Loon.Utils.MathUtils.Mul(dx, dx) + Loon.Utils.MathUtils.Mul(dy, dy));
}
public void Untranslate(Point p)
{
this.x -= p.x;
this.y -= p.y;
}
public Point2i(Point.Point2i p)
{
this.x = p.x;
this.y = p.y;
}
public Point(Point p) {
this.CheckPoints();
this.SetLocation(p);
this.type = ShapeType.POINT_SHAPE;
}
public void Translate(Point p)
{
this.x += p.x;
this.y += p.y;
}
public static Polygon MakePolygon(int[] pixels, int offsetX, int offsetY,
int startX, int startY, int limitX, int limitY, int interval) {
Polygon split = null;
Polygon result = null;
List<Point[]> points = new List<Point[]>();
Point[] tmpPoint;
int x1, y1, x2, y2;
bool secondPoint;
int pixel = 0;
for (int y = startY; y < limitY - interval; y += interval) {
secondPoint = false;
x1 = y1 = -1;
x2 = y2 = -1;
for (int x = startX; x < limitX; x++) {
pixel = pixels[x + limitX * y];
if (!secondPoint) {
if ((pixel & LSystem.TRANSPARENT) == LSystem.TRANSPARENT)
{
x1 = x;
y1 = y;
secondPoint = true;
}
} else {
if ((pixel & LSystem.TRANSPARENT) == LSystem.TRANSPARENT)
{
x2 = x;
y2 = y;
}
}
}
if (secondPoint && (x2 > -1) && (y2 > -1)) {
tmpPoint = new Point[2];
tmpPoint[0] = new Point(offsetX + x1, offsetY + y1);
tmpPoint[1] = new Point(offsetX + x2, offsetY + y2);
CollectionUtils.Add(points,tmpPoint);
}
}
split = MakePolygon(points);
if (split != null) {
points = new List<Point[]>();
for (int x_0 = startX; x_0 < limitX - interval; x_0 += interval) {
secondPoint = false;
x1 = y1 = -1;
x2 = y2 = -1;
for (int y_1 = startY; y_1 < limitY; y_1++) {
pixel = pixels[x_0 + limitX * y_1];
if (!secondPoint) {
if ((pixel & LSystem.TRANSPARENT) == LSystem.TRANSPARENT) {
x1 = x_0;
y1 = y_1;
secondPoint = true;
}
} else {
if ((pixel & LSystem.TRANSPARENT) == LSystem.TRANSPARENT) {
x2 = x_0;
y2 = y_1;
}
}
}
if (secondPoint && (x2 > -1) && (y2 > -1)) {
tmpPoint = new Point[2];
tmpPoint[0] = new Point(offsetX + x1, offsetY + y1);
tmpPoint[1] = new Point(offsetX + x2, offsetY + y2);
CollectionUtils.Add(points, tmpPoint);
}
}
result = MakePolygon(points);
}
return result;
}
public float PtSegDistSq(Point pt)
{
return PtSegDistSq(GetX1(), GetY1(), GetX2(), GetY2(), pt.GetX(),
pt.GetY());
}
public float PtLineDist(Point pt)
{
return PtLineDist(GetX1(), GetY1(), GetX2(), GetY2(), pt.GetX(),
pt.GetY());
}
public Line(Point p1, Point p2)
: this(p1.x, p1.y, p2.x, p2.y)
{
}
public Point(Point p) {
this.CheckPoints();
this.SetLocation(p);
}