protected void AddPolygonalChain(Vector3[] points, double radius, double drawShadowsFactor)
{
if (points.Length < 2)
{
return;
}
double radius2 = radius;
if (drawShadowsFactor != 0)
{
radius2 *= 2.5 * drawShadowsFactor; //2.7f;
}
Vector3 center = Vector3.Zero;
foreach (Vector3 point in points)
{
center += point;
}
center /= points.Length;
Vector3[] localPoints = new Vector3[points.Length];
for (int n = 0; n < points.Length; n++)
{
localPoints[n] = points[n] - center;
}
Vector3[] positions;
int[] indices;
SimpleMeshGenerator.GeneratePolygonalChain(localPoints, radius2, out positions, out indices);
Matrix4 transform = Matrix4.FromTranslate(center);
DebugGeometry.AddTriangles(positions, indices, transform, false, true);
//for( int n = 0; n < points.Length - 1; n++ )
//{
// Vec3 p1 = points[ n ];
// Vec3 p2 = points[ n + 1 ];
// AddLine( p1, p2, thickness, drawShadows );
//}
}
public void GetGeometry(out Vector3[] vertices, out int[] indices)
{
switch (Shape.Value)
{
case ShapeEnum.Box:
{
SimpleMeshGenerator.GenerateBox(Vector3.One, out Vector3[] verticesLocal, out indices);
var transform = Transform.Value.ToMatrix4();
vertices = new Vector3[verticesLocal.Length];
for (int n = 0; n < vertices.Length; n++)
{
vertices[n] = transform * verticesLocal[n];
}
}
break;
case ShapeEnum.Cylinder:
{
var cylinder = GetCylinder();
SimpleMeshGenerator.GenerateCylinder(2, cylinder.Radius, cylinder.GetLength(), 16, true, true, true, out Vector3[] verticesLocal, out indices);
var transform = Transform.Value.UpdateScale(Vector3.One);
vertices = new Vector3[verticesLocal.Length];
for (int n = 0; n < vertices.Length; n++)
{
vertices[n] = transform * verticesLocal[n];
}
}
break;
default:
vertices = null;
indices = null;
break;
}
}