public static bool DoSingleColision_Debug(Polygon MovingPoly, Polygon StationaryPoly, Velocity velocity, List <Vector2[]> lines, List <Color> linecolors)
{
Vector2[][] MovingLines = new Vector2[MovingPoly.NumberOfSides()][];
Vector2[][] StationaryLines = new Vector2[StationaryPoly.NumberOfSides()][];
bool doWork = false;
for (int i = 0; i < MovingLines.Length; i++)
{
MovingLines[i] = new Vector2[] { velocity.Move(MovingPoly.GetCorner(i), -1f), velocity.Move(MovingPoly.GetCorner(i), 1f) };
lines.Add(MovingLines[i]);
linecolors.Add(Color.Blue);
if (!doWork && LocationManager.getBounds(MovingLines[i]).Intersects(StationaryPoly.Bounds))
{
doWork = true;
}
}
for (int i = 0; i < StationaryLines.Length; i++)
{
StationaryLines[i] = new Vector2[] { velocity.Move(StationaryPoly.GetCorner(i), -1f), velocity.Move(StationaryPoly.GetCorner(i), 1f) };
lines.Add(StationaryLines[i]);
linecolors.Add(Color.Green);
if (!doWork && LocationManager.getBounds(StationaryLines[i]).Intersects(MovingPoly.Bounds))
{
doWork = true;
}
}
if (!doWork)
{
foreach (Vector2[] v in LocationManager.RectangleEdges(MovingPoly.Bounds))
{
lines.Add(v);
linecolors.Add(Color.Yellow);
}
foreach (Vector2[] v in LocationManager.RectangleEdges(StationaryPoly.Bounds))
{
lines.Add(v);
linecolors.Add(Color.Yellow);
}
return(false);
}
int lowindex = -1;
int otherindex = -1;
float lowdistance = 0;
bool movingcloser = false;
Vector2 intersect = new Vector2();
for (int i = 0; i < MovingLines.Length; i++)
{
for (int i2 = 0; i2 < StationaryLines.Length; i2++)
{
Vector2?V2 = LocationManager.getIntersectionPoint(StationaryPoly.GetEdge(i2), MovingLines[i]);
if (V2.HasValue)
{
if (lowindex == -1 || LocationManager.distanceCheck(V2.Value, MovingLines[i][0], lowdistance))
{
lowdistance = LocationManager.getDistance(V2.Value, MovingLines[i][0]);
lowindex = i;
otherindex = i2;
movingcloser = true;
intersect = V2.Value;
}
}
}
}
for (int i = 0; i < StationaryLines.Length; i++)
{
for (int i2 = 0; i2 < MovingLines.Length; i2++)
{
Vector2?V2 = LocationManager.getIntersectionPoint(MovingPoly.GetEdge(i2), StationaryLines[i]);
if (V2.HasValue)
{
//Console.Out.WriteLine("Intersection at {0}::{1} => Point at {2}", MovingPoly.GetEdge(i2)[0] + "," + MovingPoly.GetEdge(i2)[1], StationaryLines[i][0] + "," + StationaryLines[i][1], V2.Value);
if (lowindex == -1 || LocationManager.distanceCheck(V2.Value, StationaryLines[i][1], lowdistance))
{
lowdistance = velocity.M - LocationManager.getDistance(V2.Value, StationaryLines[i][0]);
lowindex = i;
otherindex = i2;
movingcloser = false;
intersect = V2.Value;
}
}
}
}
if (lowindex != -1)
{
Velocity AddToVelocity = new Velocity();
if (movingcloser)
{
float angle = LocationManager.getRotation(intersect, LocationManager.getReflectionLine(MovingLines[lowindex], StationaryPoly.GetEdge(otherindex))[1]);
AddToVelocity.A = angle;
AddToVelocity.M = velocity.M;
lines.Add(new Vector2[] { MovingLines[lowindex][0], MovingLines[lowindex][1] });
linecolors.Add(Color.Red);
}
else
{
float angle = LocationManager.getRotation(intersect, LocationManager.getReflectionLine(StationaryLines[lowindex], MovingPoly.GetEdge(otherindex))[1]);
AddToVelocity.A = angle;
AddToVelocity.M = velocity.M;
lines.Add(new Vector2[] { StationaryLines[lowindex][0], StationaryLines[lowindex][1] });
linecolors.Add(Color.Red);
}
velocity.X = AddToVelocity.X;
velocity.Y = AddToVelocity.Y;
MovingPoly.Position = LocationManager.moveByRotation(MovingPoly.Position, lowdistance, velocity.A);
return(true);
}
return(false);
}
public static bool TryTurn_Debug(Polygon myPoly, Polygon StationaryPoly, ref float amt, List <Vector2[]> lines, List <Color> linecolors)
{
Vector2 CircleCenter = myPoly.Position;
Pair <float, bool, float>[] distances;
float greatestMine = 0;
float lowestOther = -1;
ArrayBuilder <Pair <float, bool, float> > build = new ArrayBuilder <Pair <float, bool, float> >(myPoly.NumberOfSides() + StationaryPoly.NumberOfSides());
for (int x = 0; x < myPoly.NumberOfSides(); x++)
{
float next = LocationManager.getDistance(CircleCenter, myPoly.GetCorner(x));
build.Add(new Pair <float, bool, float>(next, true, LocationManager.getRotation(CircleCenter, myPoly.GetCorner(x))));
if (next > greatestMine)
{
greatestMine = next;
}
}
for (int x = 0; x < StationaryPoly.NumberOfSides(); x++)
{
float next = LocationManager.getDistance(CircleCenter, StationaryPoly.GetCorner(x));
build.Add(new Pair <float, bool, float>(next, false, LocationManager.getRotation(CircleCenter, StationaryPoly.GetCorner(x))));
if (lowestOther == -1 || next < lowestOther)
{
lowestOther = next;
}
}
distances = build.Finish();
float currentMin = amt;
for (int i = 0; i < distances.Length; i++)
{
for (int i2 = 0; i2 < (distances[i].second ? StationaryPoly.NumberOfSides() : myPoly.NumberOfSides()); i2++)
{
Vector2[] line = (distances[i].second ? StationaryPoly.GetEdge(i2) : myPoly.GetEdge(i2));
float minAngle = distances[i].third;
foreach (float f in LocationManager.CircleIntersects_A(line, CircleCenter, distances[i].first))
{
lines.Add(new Vector2[] { Vector2.Add(new Vector2(-2, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(2, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Red);
lines.Add(new Vector2[] { Vector2.Add(new Vector2(0, -2), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(0, 2), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Red);
if (amt > 0)
{
if (f > minAngle && LocationManager.NormalRelitiveAngle(minAngle, f) < amt)
{
lines.Add(new Vector2[] { Vector2.Add(new Vector2(-8, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(8, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Blue);
lines.Add(new Vector2[] { Vector2.Add(new Vector2(0, -8), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(0, 8), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Blue);
}
if (f > (minAngle) && LocationManager.NormalRelitiveAngle(minAngle, f) < currentMin)
{
currentMin = LocationManager.NormalRelitiveAngle(minAngle, f);
}
}
else if (amt < 0)
{
if (f < minAngle && LocationManager.NormalRelitiveAngle(f, minAngle) < -amt)
{
lines.Add(new Vector2[] { Vector2.Add(new Vector2(-8, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(8, 0), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Blue);
lines.Add(new Vector2[] { Vector2.Add(new Vector2(0, -8), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)), Vector2.Add(new Vector2(0, 8), LocationManager.moveByRotation(CircleCenter, distances[i].first, f)) });
linecolors.Add(Color.Blue);
}
if (f < minAngle && LocationManager.NormalRelitiveAngle(f, minAngle) < -currentMin)
{
currentMin = LocationManager.NormalRelitiveAngle(f, minAngle);
}
}
}
}
}
if (currentMin == amt)
{
myPoly.Rotation += amt;
return(false);
}
else
{
myPoly.Rotation += currentMin * .9f;
amt *= -.9f;
return(true);
}
}
public static bool DoSingleColision(Polygon MovingPoly, Polygon StationaryPoly, ref Vector2 velocity, bool isMA)
{
if (!isMA)
{
velocity = Physics.ConvertToMA(velocity);
}
Vector2[][] MovingLines = new Vector2[MovingPoly.NumberOfSides()][];
Vector2[][] StationaryLines = new Vector2[StationaryPoly.NumberOfSides()][];
for (int i = 0; i < MovingLines.Length; i++)
{
MovingLines[i] = new Vector2[] { LocationManager.moveByRotation(MovingPoly.GetCorner(i), -velocity.X, velocity.Y), LocationManager.moveByRotation(MovingPoly.GetCorner(i), velocity.X, velocity.Y) };
}
for (int i = 0; i < StationaryLines.Length; i++)
{
StationaryLines[i] = new Vector2[] { /*StationaryPoly.GetCorner(i)*/ LocationManager.moveByRotation(StationaryPoly.GetCorner(i), velocity.X, velocity.Y), LocationManager.moveByRotation(StationaryPoly.GetCorner(i), -velocity.X, velocity.Y) };
}
int lowindex = -1;
int otherindex = -1;
float lowdistance = 0;
bool movingcloser = false;
Vector2 intersect = new Vector2();
for (int i = 0; i < MovingLines.Length; i++)
{
for (int i2 = 0; i2 < StationaryLines.Length; i2++)
{
Vector2?V2 = LocationManager.getIntersectionPoint(StationaryPoly.GetEdge(i2), MovingLines[i]);
if (V2.HasValue)
{
if (lowindex == -1 || LocationManager.distanceCheck(V2.Value, MovingLines[i][0], lowdistance))
{
lowdistance = LocationManager.getDistance(V2.Value, MovingLines[i][0]);
lowindex = i;
otherindex = i2;
movingcloser = true;
intersect = V2.Value;
}
}
}
}
for (int i = 0; i < StationaryLines.Length; i++)
{
for (int i2 = 0; i2 < MovingLines.Length; i2++)
{
Vector2?V2 = LocationManager.getIntersectionPoint(MovingPoly.GetEdge(i2), StationaryLines[i]);
if (V2.HasValue)
{
//Console.Out.WriteLine("Intersection at {0}::{1} => Point at {2}", MovingPoly.GetEdge(i2)[0] + "," + MovingPoly.GetEdge(i2)[1], StationaryLines[i][0] + "," + StationaryLines[i][1], V2.Value);
if (lowindex == -1 || LocationManager.distanceCheck(V2.Value, StationaryLines[i][1], lowdistance))
{
lowdistance = velocity.X - LocationManager.getDistance(V2.Value, StationaryLines[i][0]);
lowindex = i;
otherindex = i2;
movingcloser = false;
intersect = V2.Value;
}
}
}
}
if (lowindex != -1)
{
//Console.Out.WriteLine("Colis=> Lowindex: {0}, distance: {1}, whose:{2}", lowindex, lowdistance, movingcloser);
Vector2 AddToVelocity = new Vector2();
if (movingcloser)
{
float angle = LocationManager.getRotation(intersect, LocationManager.getReflectionLine(MovingLines[lowindex], StationaryPoly.GetEdge(otherindex))[1]);
AddToVelocity.Y = angle;
AddToVelocity.X = velocity.X;
}
else
{
float angle = LocationManager.getRotation(intersect, LocationManager.getReflectionLine(StationaryLines[lowindex], MovingPoly.GetEdge(otherindex))[1]);
AddToVelocity.Y = angle;
AddToVelocity.X = -velocity.X;
}
velocity = AddToVelocity;
MovingPoly.Position = LocationManager.moveByRotation(MovingPoly.Position, lowdistance - .4f, velocity.Y);
if (!isMA)
{
velocity = Physics.ConvertToXY(velocity);
}
return(true);
}
if (!isMA)
{
velocity = Physics.ConvertToXY(velocity);
}
return(false);
}
/// <summary>
/// Converts a rectangle into an equivalent polygon
/// </summary>
/// <param name="r"></param>
/// <returns></returns>
public static Polygon GetFromRectangle(Rectangle r)
{
Polygon tmp = new Polygon(UNIT_SQUARE(), LocationManager.getVectorFromPoint(r.Center), 0);
tmp.Scale(r.Width, r.Height);
return tmp;
}
/// <summary>
/// Check if the bounds of this polygon intersect the bounds of another.
/// </summary>
/// <param name="p"></param>
/// <returns>False if the polygons cannot be coliding, true if colision is possible</returns>
public bool CheckColisions_Rough(Polygon p)
{
return Bounds.Intersects(p.Bounds);
}
/// <summary>
/// Checks if two polygons colide using a rough check followed by a precise check if nessecary
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public bool CheckColisions(Polygon p)
{
return CheckColisions_Rough(p) && CheckColisions_Accurate(p);
}
