// Merge or divide points to make them match the new shape (admit that one of the coordinate remains the same)
private void preparePoints(ref PointsScatter prevPoints, State prev,
ref PointsScatter nextPoints, State next)
{
// Study the resolutions
Dimension[] prevDims = new Dimension[] { prev.dimensions[0], prev.dimensions[1] };
Dimension[] nextDims = new Dimension[] { next.dimensions[0], next.dimensions[1] };
int[] diffDims = new int[] { nextDims[0].GetRes() - prevDims[0].GetRes(),
nextDims[1].GetRes() - prevDims[1].GetRes() };
// Same resolutions, no need to normalize
if (diffDims[0] == 0 && diffDims[1] == 0)
{
return;
}
// Normalize
if (diffDims[0] > 0 || diffDims[1] > 0)
{
normalizePointsShapeFromTo(ref prevPoints, prevDims, nextDims);
}
else
{
normalizePointsShapeFromTo(ref nextPoints, nextDims, prevDims);
}
}
// Create the points giving a state
public PointsScatter createPointsFrom(State s)
{
PointsScatter pts = new PointsScatter();
for (int x = 0; x <= s.dimensions[0].GetRes(); x++)
{
for (int z = 0; z <= s.dimensions[1].GetRes(); z++)
{
float _x = Convert.ToSingle(x * s.dimensions[0].GetStep());
float _z = Convert.ToSingle(z * s.dimensions[1].GetStep());
pts.points.Add(new Coordinate(_x + (float)s.dimensions[0].minVal, _z + (float)s.dimensions[1].minVal),
GetM(s, new Coordinate(_x, _z), s.GetCurrentDims()));
}
}
return(pts);
}
// Update the values of the graph to fit with the data
public void DrawPoints(PointsScatter values)
{
points = new ParticleSystem.Particle[values.nbPoints()];
int idx = 0;
foreach (KeyValuePair <Coordinate, float> p in values.points)
{
points [idx].position = new Vector3((float)p.Key[0], p.Value, (float)p.Key[1]);
float h = ColorConverter.getPercentage(p.Value, dataHandler.minMagnitude, dataHandler.maxMagnitude);
points[idx].startColor = ColorConverter.HSVToRGB(h, 0.5f, 0.5f);
points[idx].startSize = 0.1f;
idx++;
}
graph.GetComponent <ParticleSystem> ().SetParticles(points, points.Length);
pointsValues = values;
}
// Get the data between two dimensions (excludes the current state, includes the next one)
public void GetTransitionalData(State prev, State next, int nbOfFramesH)
{
// First and last points
PointsScatter firstPoints = pointsValues;
PointsScatter lastPoints = createPointsFrom(next);
// Normalize the first or last points depending on the resolutions
preparePoints(ref firstPoints, prev, ref lastPoints, next);
// Transitional points
transitionalPointsValues = new PointsScatter[nbOfFramesH];
// Get the steps for the position and magnitude of each point
int idx = 0;
decimal[,] posSteps = new decimal[firstPoints.nbPoints(), 2];
float[] magnSteps = new float[firstPoints.nbPoints()];
Assert.AreEqual(firstPoints.nbPoints(), lastPoints.nbPoints(), "/!\\ Fatal: Dimension doesn't match.");
foreach (KeyValuePair <Coordinate, float> p in firstPoints.points)
{
posSteps [idx, 0] = (lastPoints.points.Keys.ElementAt(idx)[0] - p.Key[0]) / nbOfFramesH;
posSteps [idx, 1] = (lastPoints.points.Keys.ElementAt(idx)[1] - p.Key[1]) / nbOfFramesH;
magnSteps[idx] = (lastPoints.points.Values.ElementAt(idx) - p.Value) / (float)nbOfFramesH;
idx++;
}
for (int f = 0; f < nbOfFramesH - 1; f++)
{
PointsScatter nextPoints = new PointsScatter();
idx = 0;
foreach (KeyValuePair <Coordinate, float> p in firstPoints.points)
{
nextPoints.points.Add(new Coordinate(p.Key[0] + posSteps[idx, 0], p.Key[1] + posSteps[idx, 1]),
p.Value + magnSteps[idx]);
idx++;
}
firstPoints = nextPoints;
transitionalPointsValues [f] = nextPoints;
}
}
// Normalize the shape of the given points from state prev to next
private void normalizePointsShapeFromTo(ref PointsScatter points,
Dimension[] prev, Dimension[] next)
{
PointsScatter newValues = new PointsScatter();
int[] diffDims = new int[] { next[0].GetRes() - prev[0].GetRes(),
next[1].GetRes() - prev[1].GetRes() };
for (int x = -(diffDims[0] / 2); x <= prev[0].GetRes() + (diffDims[0] / 2); x++)
{
float posX = getPosFrom(prev[0], next[0], diffDims[0], x);
float coordX = getCoordFrom(posX, prev[0]);
for (int z = -(diffDims[1] / 2); z <= prev[1].GetRes() + (diffDims[1] / 2); z++)
{
float posZ = getPosFrom(prev[1], next[1], diffDims[1], z);
float coordZ = getCoordFrom(posZ, prev[1]);
float magnitude = points.points [new Coordinate(coordX, coordZ)];
newValues.points.Add(new Coordinate(posX + (float)prev[0].minVal, posZ + (float)prev[1].minVal), magnitude);
}
}
points = newValues;
}
