// Calculate the projection of a polygon on an axis and returns it as a [min, max] interval
private static void projectPolygon(Vector2 axis, Polygon polygon, ref float min, ref float max)
{
// To project a point on an axis use the dot product
float d = Vector2.Dot(axis, polygon.getPoints()[0]);
min = d;
max = d;
for (int i = 0; i < polygon.getPoints().Count; i++)
{
d = Vector2.Dot(polygon.getPoints()[i], axis);
if (d < min)
{
min = d;
}
else
{
if (d > max)
{
max = d;
}
}
}
}
public List <Polygon> loadPolygons(TextureItem item, string property)
{
List <Polygon> polygons = new List <Polygon>();
int numberToLoad = 1;
int numberOfLoaded = 0;
bool loadNext = true;
while (loadNext)
{
string tempProperty = property + numberToLoad.ToString();
if (item.CustomProperties.ContainsKey(tempProperty))
{
//Console.WriteLine(tempProperty);
if (item.CustomProperties[tempProperty].type == typeof(Item))
{
Console.WriteLine(tempProperty + " Loaded");
PathItem pathItem = (PathItem)item.CustomProperties[tempProperty].value;
if (pathItem != null)
{
List <Vector2> liste = new List <Vector2>(pathItem.WorldPoints);
Polygon polygon = new Polygon();
foreach (Vector2 point in liste)
{
polygon.getPoints().Add(point);
}
polygon.buildEdges();
polygons.Add(polygon);
numberToLoad++;
numberOfLoaded++;
}
else
{
loadNext = false;
}
}
}
else
{
loadNext = false;
}
}
if (numberOfLoaded == 0)
{
polygons = null;
//Console.WriteLine("Did not load Polygons");
}
return(polygons);
}
public List<Polygon> loadPolygons(TextureItem item, string property)
{
List<Polygon> polygons = new List<Polygon>();
int numberToLoad = 1;
int numberOfLoaded = 0;
bool loadNext = true;
while (loadNext)
{
string tempProperty = property + numberToLoad.ToString();
if (item.CustomProperties.ContainsKey(tempProperty))
{
//Console.WriteLine(tempProperty);
if (item.CustomProperties[tempProperty].type == typeof(Item))
{
Console.WriteLine(tempProperty + " Loaded");
PathItem pathItem = (PathItem)item.CustomProperties[tempProperty].value;
if (pathItem != null)
{
List<Vector2> liste = new List<Vector2>(pathItem.WorldPoints);
Polygon polygon = new Polygon();
foreach (Vector2 point in liste)
{
polygon.getPoints().Add(point);
}
polygon.buildEdges();
polygons.Add(polygon);
numberToLoad++;
numberOfLoaded++;
}
else
{
loadNext = false;
}
}
}
else
{
loadNext = false;
}
}
if (numberOfLoaded == 0)
{
polygons = null;
//Console.WriteLine("Did not load Polygons");
}
return polygons;
}