private static List <Vector3> GenerateXYCircleVertexPositions(float circleRadius, int numberOfCircleSlices)
{
int numberOfCircumferenceVerts = numberOfCircleSlices + 1;
int totalNumberOfVerts = numberOfCircumferenceVerts + 1;
var vertexPositions = new List <Vector3>(totalNumberOfVerts);
vertexPositions.Add(Vector3.zero);
vertexPositions.AddRange(Vector3Extensions.Get3DEllipseCircumferencePoints(circleRadius, circleRadius, Vector3.right, Vector3.up, Vector3.zero, numberOfCircleSlices));
return(vertexPositions);
}
public List <Vector3> GetWorldBorderLinesInFrontOfCamera(Camera camera, float distanceFromCamNearPlane, int numberOfEllipseSlices)
{
List <Vector3> worldExtentPoints = GetWorldExtentPointsInFrontOfCamera(camera, distanceFromCamNearPlane);
Vector3 worldCenterPoint = GetWorldCenterPointInFrontOfCamera(camera, distanceFromCamNearPlane);
Vector3 ellipseUp = worldExtentPoints[0] - worldCenterPoint;
Vector3 ellipseRight = worldExtentPoints[1] - worldCenterPoint;
float radiusX = ellipseRight.magnitude;
float radiusY = ellipseUp.magnitude;
ellipseUp.Normalize();
ellipseRight.Normalize();
return(Vector3Extensions.Get3DEllipseCircumferencePoints(radiusX, radiusY, ellipseRight, ellipseUp, worldCenterPoint, numberOfEllipseSlices));
}
protected override List <Vector3> GenerateRenderPoints()
{
return(Vector3Extensions.Get3DEllipseCircumferencePoints(ModelSpaceRadii.x, ModelSpaceRadii.y, _ellipse.GetLocalAxis(CoordinateSystemAxis.PositiveRight), _ellipse.GetLocalAxis(CoordinateSystemAxis.PositiveLook), Center, _numberOfEllipseSlices));
}