private void AddIntersectionPoints([CanBeNull] IPointCollection pointCollection)
{
if (pointCollection == null || ((IGeometry)pointCollection).IsEmpty)
{
return;
}
if (IntersectionPoints == null)
{
IntersectionPoints =
(IPointCollection)GeometryFactory.CreateMultipoint(pointCollection);
}
else
{
IntersectionPoints.AddPointCollection(pointCollection);
}
}
public void drawFaceOnTex() //This is where magic happens
{
if (this.GetComponent <ARFaceMeshVisualizer>().mesh.vertexCount > 0 && !isDoFile) //This block converts the world space of face mesh to screen points
{
s = "Face Found";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
checkingOfFiles();
faceMesh = Instantiate(this.GetComponent <ARFaceMeshVisualizer>().mesh);
screenPointInfo = new Vector2[faceMesh.vertexCount];
ScreenCapture.CaptureScreenshot("screenshot.png");
for (int i = 0; i < faceMesh.vertexCount; i++)
{
screenPoint = cam.WorldToScreenPoint(transform.TransformPoint((Vector3)faceMesh.vertices.GetValue(i)));
screenPointInfo[i].x = Mathf.RoundToInt(screenPoint.x);
screenPointInfo[i].y = Mathf.RoundToInt(screenPoint.y);
}
s = "Face processing is Done";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
isDoFile = !isDoFile;
}
if (!isDoFile)
{
s = "Face processing Not Yet Done";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
return;
}
if (!System.IO.File.Exists(Application.persistentDataPath + "/screenshot.png"))
{
s = "Face data is not yet saved.\nPlease press again.";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
return;
}
if (System.IO.File.Exists(Application.persistentDataPath + "/screenshot.png"))
{
byte[] screeshotImage = File.ReadAllBytes(Application.persistentDataPath + "/screenshot.png");
ImageConversion.LoadImage(screenshotTex, screeshotImage);
}
s = "Face data saving Started.";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
Color color;
Vector2 scale = new Vector2(texSize, texSize);
//This block converts takes a triangle of the face mesh and rasterizes the face of user to texture
for (int i = 0; i < faceMesh.triangles.Length; i = i + 3)
{
//for facetexture
Vector2 p1 = faceMesh.uv[faceMesh.triangles[i]];
Vector2 p2 = faceMesh.uv[faceMesh.triangles[i + 1]];
Vector2 p3 = faceMesh.uv[faceMesh.triangles[i + 2]];
//for screenshot
Vector2 ps1 = screenPointInfo[faceMesh.triangles[i]];
Vector2 ps2 = screenPointInfo[faceMesh.triangles[i + 1]];
Vector2 ps3 = screenPointInfo[faceMesh.triangles[i + 2]];
float Hscale;
float Vscale;
p1.Scale(scale);
p2.Scale(scale);
p3.Scale(scale);
Line l1 = new Line(p1, p2);
Line l2 = new Line(p2, p3);
Line l3 = new Line(p3, p1);
Line ls1 = new Line(ps1, ps2);
Line ls2 = new Line(ps2, ps3);
Line ls3 = new Line(ps3, ps1);
Line l4 = l1.getPerpendicularLine(p3);
Line ls4 = ls1.getPerpendicularLine(ps3);
IntersectionPoints ip1 = new IntersectionPoints(l1, l4);
IntersectionPoints ips1 = new IntersectionPoints(ls1, ls4);
Vscale = getDistance(ps3, ips1.getInteresectionPoint()) / getDistance(p3, ip1.getInteresectionPoint());
List <Vector2> altLinePoints = l4.getBoundingPoints(p3, ip1.getInteresectionPoint());
foreach (Vector2 point in altLinePoints)
{
Line l5 = l1.getParallelLine(point);
IntersectionPoints ip2 = new IntersectionPoints(l5, l2);
IntersectionPoints ip3 = new IntersectionPoints(l5, l3);
Vector2 point1 = ls4.getPointOnLineByDistance(ps3, ips1.getInteresectionPoint(), getDistance(p3, point) * Vscale);
Line ls5 = ls1.getParallelLine(point1);
IntersectionPoints ips2 = new IntersectionPoints(ls5, ls2);
IntersectionPoints ips3 = new IntersectionPoints(ls5, ls3);
Hscale = getDistance(ips2.getInteresectionPoint(), ips3.getInteresectionPoint()) / getDistance(ip2.getInteresectionPoint(), ip3.getInteresectionPoint());
List <Vector2> parallelLinePoints = l5.getBoundingPoints(ip2.getInteresectionPoint(), ip3.getInteresectionPoint());
foreach (Vector2 subPoint in parallelLinePoints)
{
Vector2 subPoint1 = ls5.getPointOnLineByDistance(ips2.getInteresectionPoint(), ips3.getInteresectionPoint(), getDistance(ip2.getInteresectionPoint(), subPoint) * Hscale);
color = screenshotTex.GetPixel(Mathf.RoundToInt(subPoint1.x), Mathf.RoundToInt(subPoint1.y));
tex.SetPixel(Mathf.RoundToInt(subPoint.x), Mathf.RoundToInt(subPoint.y), color);
}
}
}
tex.Apply();
System.IO.File.WriteAllBytes(Application.persistentDataPath + "/screenpointinfo.png", tex.EncodeToPNG());
s = "Face data is saved.";
GameObject.Find("detailsLabel").GetComponent <TextMeshProUGUI>().text = s;
writeMeshData();
}
public IntersectionPoints getIntersectionpoints(Line l2)
{
IntersectionPoints ip1 = new IntersectionPoints(this, l2);
return(ip1);
}