public void AddParticle(BlobParticle particle)
{
int x = Convert.ToInt32(Math.Floor(particle.pX / gridSize));
int y = Convert.ToInt32(Math.Floor(particle.pY / gridSize));
if (y < 0)
{
y = 0;
}
else if (y > height)
{
y = height;
}
if (x < 0)
{
x = 0;
}
else if (x > width)
{
x = width;
}
grid[y][x].Add(particle);
numElements++;
}
public Spring(float springLength, BlobParticle parentParticle, BlobParticle childParticle)
{
this.springLength = springLength;
this.parentParticle = parentParticle;
this.childParticle = childParticle;
this.restLength = springLength;
}
public void addParticle()
{
Random RandomGenerator = new Random();
float randomXVelocity = RandomGenerator.Next(20);
float randomYVelocity = RandomGenerator.Next(20);
BlobParticle theParticle = new BlobParticle(new Vector2(300, 100), theParticles.Count, theSprite);
theParticle.vX = randomXVelocity / 20 - 0.5f;
theParticle.vY = randomYVelocity / 20 - 0.5f;
theParticles.Add(theParticle);
theGrid.AddParticle(theParticle);
}
public List <BlobParticle> GetNeighbours(BlobParticle particle)
{
int x = Convert.ToInt32(Math.Floor(particle.pX / gridSize));
int y = Convert.ToInt32(Math.Floor(particle.pY / gridSize));
if (y < 0)
{
y = 0;
}
else if (y > height)
{
y = height;
}
if (x < 0)
{
x = 0;
}
else if (x > width)
{
x = width;
}
float checkX = particle.pX - (x * gridSize);
float checkY = particle.pY - (y * gridSize);
List <BlobParticle> returnList = new List <BlobParticle>();
// if (checkX == quadrantMarker || checkY == quadrantMarker)
// {
// If the particle is *exactly* on the centre line, go with normal code for now
for (int i = y - (y == 0 ? 0 : 1); i < y + (y == height ? 0 : 1); i++)
{
for (int j = x - (x == 0 ? 0 : 1); j < x + (x == width ? 0 : 1); j++)
{
if (grid[i][j] != null)
{
returnList.AddRange(grid[i][j]);
//for (int p = 0; p < grid[i][j].Count; p++)
//{
// returnList.Add(grid[i][j][p]);
//}
}
}
}
// }
/*
* else
* {
* // Figure out which quadrant it's in, and go from there. Can simplify this later, cant be arsed writing that fancy s***e!
* if (checkX < quadrantMarker && checkY < quadrantMarker)
* {
* // 1
* // Needs to check : (x-1,y-1), (x,y-1), (x-1,y), and (x,y)
* for (int i = y - (y == 0 ? 0 : 1); i < y; i++)
* {
* for (int j = x - (x == 0 ? 0 : 1); j < x; j++)
* {
* if (grid[i][j] != null && grid[i][j].Count > 0)
* {
* returnList.AddRange(grid[i][j]);
* }
* }
* }
* }
* else if (checkX > quadrantMarker && checkY < quadrantMarker)
* {
* // 2
* // Needs to check (x,y-1), (x+1,y-1), (x+1,y), and (x,y)
* for (int i = y - (y == 0 ? 0 : 1); i < y; i++)
* {
* for (int j = x; j < x + (y == width ? 0 : 1); j++)
* {
* if (grid[i][j] != null && grid[i][j].Count > 0)
* {
* returnList.AddRange(grid[i][j]);
* }
* }
* }
* }
* else if (checkX < quadrantMarker && checkY > quadrantMarker)
* {
* // 3
* // Needs to check (x-1,y), (x-1,y+1), (x,y+1), and (x,y)
* for (int i = y; i < y + (y == height ? 0 : 1); i++)
* {
* for (int j = x - (x == 0 ? 0 : 1); j < x; j++)
* {
* if (grid[i][j] != null && grid[i][j].Count > 0)
* {
* returnList.AddRange(grid[i][j]);
* }
* }
* }
* }
* else if (checkX > quadrantMarker && checkY > quadrantMarker)
* {
* // 4
* // Needs to check (x,y+1), (x+1,y+1), (x+1,y), and (x,y)
* for (int i = y; i < y + (y == height ? 0 : 1); i++)
* {
* for (int j = x; j < x + (y == width ? 0 : 1); j++)
* {
* if (grid[i][j] != null && grid[i][j].Count > 0)
* {
* returnList.AddRange(grid[i][j]);
* }
* }
* }
* }
* }*/
/*List<BlobParticle> returnList = new List<BlobParticle>();
*
* for (int i = 0; i < grid.Length; i++)
* {
* for (int j = 0; j < grid[i].Length; j++)
* {
* if (grid[i][j] != null)
* {
* for (int p = 0; p < grid[i][j].Count; p++)
* {
* returnList.Add(grid[i][j][p]);
* }
* }
* }
* }*/
returnList.Remove(particle);
return(returnList);
}
public Neighbour(BlobParticle theParticle)
{
this.theParticle = theParticle;
}