public virtual void Update(float elapsed)
{
List <float> angles = new List <float>();
foreach (var castObject in castObjects)
{
castObject.RelAngles(position, angles);
}
const float small = 0.0001f;
int oldAngleCount = angles.Count;
for (int i = 0; i < oldAngleCount; i++)
{
angles.Add(angles[i] + small);
angles.Add(angles[i] - small);
}
PrepareAngles(ref angles);
List <Vector2> vertices = new List <Vector2>();
float maxDist = 2000;
for (int i = 0; i < angles.Count; i++)
{
float angle = angles[i];
Vector2 rayDir = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
List <float> dists = new List <float>();
float minDist = maxDist;
foreach (var castObject in castObjects)
{
castObject.InterPoint(position, rayDir, dists);
}
foreach (float dist in dists)
{
float d = dist + 1f;
if (d >= 0 && d < minDist)
{
minDist = d;
}
}
vertices.Add(position + minDist * rayDir);
}
if (maxAngleDiff * 2 < MathHelper.TwoPi)
{
vertices.Add(position);
}
polygon.Update(position, vertices);
}
public virtual void Update(float elapsed)
{
List <AngleObj> angles = new List <AngleObj>();
foreach (var castObject in castObjects)
{
castObject.RelAngles(position, angles);
}
const float small = 0.0001f;
int oldAngleCount = angles.Count;
for (int i = 0; i < oldAngleCount; i++)
{
angles.Add(new AngleObj(angles[i].angle + small, angles[i].castingObject));
//angles.Add(angles[i] - small);
angles[i].angle -= small;
}
float maxDist = 2000;
Empty empty = new Empty(maxDist);
empty.RelAngles(position, angles);
for (int i = 0; i < angles.Count; i++)
{
angles[i].angle = MathHelper.WrapAngle(angles[i].angle);
}
angles.Sort();
//PrepareAngles(ref angles);
List <Vector2> vertices = new List <Vector2>();
HashSet <IShadowCastingObject> curObj = new HashSet <IShadowCastingObject>()
{
empty,
};
foreach (var castObject in castObjects)
{
angle = -MathHelper.Pi;
if (!IfMisses(castObject))
{
curObj.Add(castObject);
}
}
for (int i = 0; i < angles.Count; i++)
{
angle = angles[i].angle;
curObj.RemoveWhere(IfMisses);
curObj.Add(angles[i].castingObject);
if (/*Keyboard.GetState().IsKeyDown(Keys.Space) && */ curObj.Count > 50)
{
;
}
Vector2 rayDir = Dir(angle);
List <float> dists = new List <float>();
float minDist = maxDist;
foreach (var castObject in curObj)
{
castObject.InterPoint(position, rayDir, dists);
}
foreach (float dist in dists)
{
float d = dist;
if (d >= 0 && d < minDist)
{
minDist = d;
}
}
vertices.Add(position + minDist * rayDir);
}
if (maxAngleDiff * 2 < MathHelper.TwoPi)
{
vertices.Add(position);
}
polygon.Update(position, vertices);
}