private void _SetPoints()
{
// Reduce points if needed.
if (_reductionMethod != ReductionMethod.None)
{
if (_reductionMethod == ReductionMethod.GridPartition)
{
_meaningPoints = HeatMap2D.GridPartition(_points, _reducedPointsCount);
Debug.Log("[HeatMap2D_Test] " + _points.Count + " points reduced to " + _meaningPoints.Count + " points using GridPartition.");
}
else if (_reductionMethod == ReductionMethod.CanopyClustering)
{
_meaningPoints = HeatMap2D.CanopyClustering(_points, _canopyClusteringMaxDistance);
Debug.Log("[HeatMap2D_Test] " + _points.Count + " points reduced to " + _meaningPoints.Count + " points using CanopyClustering.");
}
else if (_reductionMethod == ReductionMethod.Decimation)
{
_meaningPoints = HeatMap2D.Decimation(_points, _reducedPointsCount);
Debug.Log("[HeatMap2D_Test] " + _points.Count + " points reduced to " + _meaningPoints.Count + " points using Decimation.");
}
heatmap.SetPoints(_meaningPoints);
}
else
{
// Points reduction not needed.
heatmap.SetPoints(_points);
Debug.Log("[HeatMap2D_Test] " + _points.Count + " points rendered.");
}
}
private void _GeneratePoints()
{
// Generate points.
_points.Clear();
Vector3 size = heatmap.WorldBounds.size;
float scaleFactor = (float)HeatMap2D.MAX_POINTS_COUNT / (float)_pointsCount;
float xLength = 0.0f, zLength = 0.0f, lengthStep = 0.0005f * scaleFactor;
float angleRad = 0.0f, angleRadStep = Mathf.Deg2Rad * 0.5f;
Vector4 point = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
Vector3 dir = new Vector3(0.0f, 0.0f, 1.0f);
while (_points.Count < _pointsCount)
{
// Add point.
_points.Add(point);
// Compute next point.
angleRad += angleRadStep;
xLength += lengthStep * size.x;
zLength += lengthStep * size.z;
dir.Set(Mathf.Cos(angleRad), 0.0f, Mathf.Sin(angleRad));
point = dir.normalized;
point.x *= xLength;
point.z *= zLength;
point.w = 1.0f;
}
// Reduce points if needed.
if (_points.Count > HeatMap2D.MAX_POINTS_COUNT)
{
// Points reduction needed.
_meaningPoints = HeatMap2D.Decimation(_points, HeatMap2D.MAX_POINTS_COUNT);
heatmap.SetPoints(_meaningPoints);
Debug.Log("[HeatMap2D_InfiniteTrajectoryTest] " + _points.Count + " points rendered using " + _meaningPoints.Count + " meaningful points.");
}
else
{
// Points reduction not needed.
heatmap.SetPoints(_points);
Debug.Log("[HeatMap2D_InfiniteTrajectoryTest] " + _points.Count + " points rendered.");
}
}
