public unsafe void CalcNormals(ref GeometryLinePosition result)
{
fixed(GeometryLinePosition *tempPtr = &result)
{
float *vertPtr = (float *)tempPtr;
for (int i = 0; i < 3; i++)
{
var Vert0 = new Vector3(vertPtr[i * 3], vertPtr[i * 3 + 1], vertPtr[i * 3 + 2]);
var Vert1 = new Vector3(vertPtr[(i + 1) * 3], vertPtr[(i + 1) * 3 + 1], vertPtr[(i + 1) * 3 + 2]);
var Vert2 = new Vector3(vertPtr[(i + 2) * 3], vertPtr[(i + 2) * 3 + 1], vertPtr[(i + 2) * 3 + 2]);
var v2 = Vert2 - Vert0;
var v1 = Vert1 - Vert0;
if (v1 == Vector3.Zero)
{
Vert0 = Vector3.UnitZ;
}
else
{
Vert0 = Vector3.Cross(v2, v1);
Vert0.Normalize();
}
vertPtr[(i + 1) * 3] = Vert0.X;
vertPtr[(i + 1) * 3 + 1] = Vert0.Y;
vertPtr[(i + 1) * 3 + 2] = Vert0.Z;
vertPtr[(i + 2) * 3] = Vert0.X;
vertPtr[(i + 2) * 3 + 1] = Vert0.Y;
vertPtr[(i + 2) * 3 + 2] = Vert0.Z;
vertPtr[(i + 3) * 3] = Vert0.X;
vertPtr[(i + 3) * 3 + 1] = Vert0.Y;
vertPtr[(i + 3) * 3 + 2] = Vert0.Z;
vertPtr[(i + 4) * 3] = Vert0.X;
vertPtr[(i + 4) * 3 + 1] = Vert0.Y;
vertPtr[(i + 4) * 3 + 2] = Vert0.Z;
vertPtr[(i + 5) * 3] = Vert0.X;
vertPtr[(i + 5) * 3 + 1] = Vert0.Y;
vertPtr[(i + 5) * 3 + 2] = Vert0.Z;
}
}
}
public void BuildGraph(Support.NativeList <GeometryLinePosition> position, Support.NativeList <GeometryLineUV> uv, float halfWidth)
{
BeforeGraph(position);
var rectUV = new GeometryLineUV();
rectUV.SetUV();
Vector3 cur, tar;
bool drawing = true;
float remainLength = GetSegment(position);
bool isContinued = false;
do
{
var normal = GetNormalDir();
NextStartPoint(out cur);
isContinued = NextEndPoint(out tar); //NextStartPoint(out tar);
float dist = Vector3.Distance(ref cur, ref tar);
var dir = tar - cur;
dir.Normalize();
Vector3 extDir = Vector3.Cross(dir, normal);
extDir.Normalize();
while (dist >= remainLength)
{
if (drawing)
{
var end = cur + dir * remainLength;
var l = new GeometryLinePosition();
l.SetLine(ref cur, ref end, ref extDir, halfWidth);
//position.Add(l);
//uv.Add(rectUV);
unsafe
{
position.Add(l);
uv.Add(rectUV);
}
drawing = false;
dist -= remainLength;
remainLength = GetInterval(position);
cur = end;
}
else
{
drawing = true;
dist -= remainLength;
cur = cur + dir * remainLength;
remainLength = GetSegment(position);
extDir = Vector3.Cross(dir, normal);
extDir.Normalize();
}
}
if (drawing)
{
var end = cur + dir * dist;
var l = new GeometryLinePosition();
l.SetLine(ref cur, ref end, ref extDir, halfWidth);
remainLength = remainLength - dist;
//position.Add(l);
//uv.Add(rectUV);
unsafe
{
position.Add(l);
uv.Add(rectUV);
}
dist = 0;
}
else
{
remainLength = remainLength - dist;
dist = 0;
}
} while (isContinued);
}
