// Use this for initialization
private void Start()
{
// Create a new rect element.
OnlineMapsDrawingRect element = new OnlineMapsDrawingRect(-119.0807f, 34.58658f, 3, 3, Color.black, 1f,
Color.blue);
// Subscribe to events.
element.OnClick += OnClick;
element.OnPress += OnPress;
element.OnRelease += OnRelease;
element.OnDoubleClick += OnDoubleClick;
OnlineMaps.instance.AddDrawingElement(element);
List<Vector2> poly = new List<Vector2>
{
//Geographic coordinates
new Vector2(0, 0),
new Vector2(1, 0),
new Vector2(2, 2),
new Vector2(0, 1)
};
// Create a new poly element.
OnlineMapsDrawingPoly polyElement = new OnlineMapsDrawingPoly(poly, Color.red, 1f);
// Subscribe to events.
polyElement.OnClick += OnClick;
polyElement.OnPress += OnPress;
polyElement.OnRelease += OnRelease;
polyElement.OnDoubleClick += OnDoubleClick;
OnlineMaps.instance.AddDrawingElement(polyElement);
// Create tooltip for poly.
polyElement.tooltip = "Drawing Element";
}
// Use this for initialization
private void Start()
{
// Create a new rect element.
OnlineMapsDrawingRect element = new OnlineMapsDrawingRect(-119.0807f, 34.58658f, 3, 3, Color.black, 1f,
Color.blue);
// Subscribe to events.
element.OnClick += OnClick;
element.OnPress += OnPress;
element.OnRelease += OnRelease;
element.OnDoubleClick += OnDoubleClick;
OnlineMaps.instance.AddDrawingElement(element);
List <Vector2> poly = new List <Vector2>
{
//Geographic coordinates
new Vector2(0, 0),
new Vector2(1, 0),
new Vector2(2, 2),
new Vector2(0, 1)
};
// Create a new poly element.
OnlineMapsDrawingPoly polyElement = new OnlineMapsDrawingPoly(poly, Color.red, 1f);
// Subscribe to events.
polyElement.OnClick += OnClick;
polyElement.OnPress += OnPress;
polyElement.OnRelease += OnRelease;
polyElement.OnDoubleClick += OnDoubleClick;
OnlineMaps.instance.AddDrawingElement(polyElement);
// Create tooltip for poly.
polyElement.tooltip = "Drawing Element";
}
// Adds a circle to the map and holds a refference on this point
public void AddCircle(double radius, Color color)
{
float r = (float)radius / OnlineMapsUtils.tileSize;
float step = 360f / segments;
double x, y;
_Pin.GetPosition(out x, out y);
OnlineMapsProjection projection = OnlineMaps.instance.projection;
projection.CoordinatesToTile(x, y, OnlineMaps.instance.zoom, out x, out y);
points = new List <Vector2>();
for (int i = 0; i < segments; i++)
{
points.Add(new Vector2());
double px = x + Mathf.Cos(step * i * Mathf.Deg2Rad) * r;
double py = y + Mathf.Sin(step * i * Mathf.Deg2Rad) * r;
projection.TileToCoordinates(px, py, OnlineMaps.instance.zoom, out px, out py);
points[i] = new Vector2((float)px, (float)py);
}
_Circle = new OnlineMapsDrawingPoly(points, color, 3);
OnlineMaps.instance.AddDrawingElement(_Circle);
_Acting = false;
}
// Removes circle from the map and the refference in this point
public void RemoveCircle()
{
if (_Circle != null)
{
OnlineMaps.instance.drawingElements.Remove(_Circle);
_Circle = null;
}
_Acting = false;
}
public void Clear()
{
if (polygon != null)
{
OnlineMapsDrawingElementManager.RemoveItem(polygon);
polygon = null;
}
foreach (OnlineMapsMarker marker in markers)
{
OnlineMapsMarkerManager.RemoveItem(marker);
}
markers.Clear();
markerPositions.Clear();
changed = true;
}
private void Update()
{
if (_borderWeight != borderWeight)
{
_borderWeight = borderWeight;
if (polygon != null)
{
polygon.borderWeight = borderWeight;
map.Redraw();
}
}
// Check the position of the markers.
CheckMarkerPositions();
// If nothing happens, then return.
if (!changed)
{
return;
}
changed = false;
// If the number of points is less than 3, then return.
if (markers.Count < 3)
{
map.Redraw();
return;
}
// If the polygon is not created, then create.
if (polygon == null)
{
// For points, reference to markerPositions.
// If you change the values in markerPositions, value in the polygon will be adjusted automatically.
polygon = new OnlineMapsDrawingPoly(markerPositions, Color.black, borderWeight, new Color(1, 1, 1, 0.3f));
// Add an element to the map.
map.AddDrawingElement(polygon);
}
// Calculates area of the polygon.
// Important: this algorithm works correctly only if the lines do not intersect.
float area = 0;
// Triangulate points.
int[] indexes = OnlineMapsUtils.Triangulate(markerPositions).ToArray();
// Calculate the area of each triangle.
for (int i = 0; i < indexes.Length / 3; i++)
{
// Get the points of the triangle.
Vector2 p1 = markerPositions[indexes[i * 3]];
Vector2 p2 = markerPositions[indexes[i * 3 + 1]];
Vector2 p3 = markerPositions[indexes[i * 3 + 2]];
// Calculate the distance between points.
float d1 = OnlineMapsUtils.DistanceBetweenPoints(p1, p2).magnitude;
float d2 = OnlineMapsUtils.DistanceBetweenPoints(p2, p3).magnitude;
float d3 = OnlineMapsUtils.DistanceBetweenPoints(p3, p1).magnitude;
// Calculate the area.
float p = (d1 + d2 + d3) / 2;
area += Mathf.Sqrt(p * (p - d1) * (p - d2) * (p - d2));
}
Debug.Log("Area: " + area + " km^2");
map.Redraw();
}
private void Update()
{
if (_borderWeight != borderWeight)
{
_borderWeight = borderWeight;
if (polygon != null)
{
polygon.borderWeight = borderWeight;
api.Redraw();
}
}
// Check the position of the markers.
CheckMarkerPositions();
// If nothing happens, then return.
if (!changed) return;
changed = false;
// If the number of points is less than 3, then return.
if (markers.Count < 3)
{
api.Redraw();
return;
}
// If the polygon is not created, then create.
if (polygon == null)
{
// For points, reference to markerPositions.
// If you change the values in markerPositions, value in the polygon will be adjusted automatically.
polygon = new OnlineMapsDrawingPoly(markerPositions, Color.black, borderWeight, new Color(1, 1, 1, 0.3f));
// Add an element to the map.
api.AddDrawingElement(polygon);
}
// Calculates area of the polygon.
// Important: this algorithm works correctly only if the lines do not intersect.
float area = 0;
// Triangulate points.
int[] indexes = OnlineMapsUtils.Triangulate(markerPositions).ToArray();
// Calculate the area of each triangle.
for (int i = 0; i < indexes.Length / 3; i++)
{
// Get the points of the triangle.
Vector2 p1 = markerPositions[indexes[i * 3]];
Vector2 p2 = markerPositions[indexes[i * 3 + 1]];
Vector2 p3 = markerPositions[indexes[i * 3 + 2]];
// Calculate the distance between points.
float d1 = OnlineMapsUtils.DistanceBetweenPoints(p1, p2).magnitude;
float d2 = OnlineMapsUtils.DistanceBetweenPoints(p2, p3).magnitude;
float d3 = OnlineMapsUtils.DistanceBetweenPoints(p3, p1).magnitude;
// Calculate the area.
float p = (d1 + d2 + d3) / 2;
area += Mathf.Sqrt(p * (p - d1) * (p - d2) * (p - d2));
}
Debug.Log("Area: " + area + " km^2");
api.Redraw();
}
