void Update()
{
// update area selection on F5
if (Input.GetKeyDown(selectPointsKey))
{
// we need to keep track which clouds contributed into selection (since its possible to measure/select from multiple clouds)
var uniqueClouds = new List <int>();
if (createSeparateCloudFromSelection == true)
{
// TODO clear previously generated cloud or just overwrite later?
}
else // use original points
{
// first invert old selected point colors back to original (if we had something selected)
if (selectedPoints != null && selectedPoints.Count > 0)
{
for (int i = 0, len = selectedPoints.Count; i < len; i++)
{
var pdata = selectedPoints[i];
int cloudIndex = pointCloudManager.clouds[pdata.cloudIndex].viewerIndex;
var c = pointCloudManager.viewers[cloudIndex].pointColors[pdata.pointIndex];
// restore inverted colors
c.x = 1 - c.x;
c.y = 1 - c.y;
c.z = 1 - c.z;
pointCloudManager.viewers[cloudIndex].pointColors[pdata.pointIndex] = c;
// collect clouds that we need to refresh colors for
if (uniqueClouds.Contains(cloudIndex) == false)
{
uniqueClouds.Add(cloudIndex);
}
}
}
}
// collect area selection points (child objects of the root)
var points = new List <Vector3>();
foreach (Transform t in selectionRoot)
{
points.Add(t.position);
}
// get selection results form BoxSelect
selectedPoints = pointCloudManager.ConvexHullSelectPoints(gameObject, points);
if (selectedPoints != null)
{
Debug.Log("Selected " + selectedPoints.Count + " points");
if (createSeparateCloudFromSelection == true)
{
// build new cloud from selection points
var selectedPointsTemp = new Vector3[selectedPoints.Count];
for (int i = 0, len = selectedPoints.Count; i < len; i++)
{
var pdata = selectedPoints[i];
int cloudIndex = pointCloudManager.clouds[pdata.cloudIndex].viewerIndex;
var p = pointCloudManager.viewers[cloudIndex].points[pdata.pointIndex];
selectedPointsTemp[i] = p;
}
// create new cloud on temporary viewer
tempPointCloudViewerDX11.InitDX11Buffers();
tempPointCloudViewerDX11.points = selectedPointsTemp;
tempPointCloudViewerDX11.UpdatePointData();
// set custom color for points, NOTE should use special material/shader that uses fixed color AND zoffset?
tempPointCloudViewerDX11.cloudMaterial.SetColor("_Color", selectedPointColor);
// NOTE we take pointsize from first cloud only
//tempPointCloudViewerDX11.cloudMaterial.SetFloat("_Size", pointCloudManager.viewers[0].cloudMaterial.GetFloat("_Size"));
}
else // we are using original cloud points
{
for (int i = 0, len = selectedPoints.Count; i < len; i++)
{
// set point colors (but really would be faster to create new owndata cloud for those usually..)
var pdata = selectedPoints[i];
// get point index from that cloudo
int cloudIndex = pointCloudManager.clouds[pdata.cloudIndex].viewerIndex;
// TODO, if want to use custom color create new cloud or point mesh, otherwise invert color or swap colors
var c = pointCloudManager.viewers[cloudIndex].pointColors[pdata.pointIndex];
c.x = 1 - c.x;
c.y = 1 - c.y;
c.z = 1 - c.z;
pointCloudManager.viewers[cloudIndex].pointColors[pdata.pointIndex] = c;
// get list of unique clouds that we need to update
if (uniqueClouds.Contains(cloudIndex) == false)
{
uniqueClouds.Add(cloudIndex);
}
}
}
}
// refresh colors for each existing cloud
foreach (int cloudIndex in uniqueClouds)
{
pointCloudManager.viewers[cloudIndex].UpdateColorData();
}
}
} // Update
void Start()
{
// initialize viewer with 1 point and colordata, so that can resize/fill it later
binaryViewerDX11.containsRGB = true;
binaryViewerDX11.InitDX11Buffers();
}
