public void DrawArcRectangle(Vector3 startPosition, Vector3 endPosition, float startRadius, float endRadius = 0)
{
if (rectangle[0] != null)
{
return;
}
if (endRadius <= 0)
{
endRadius = startRadius;
}
var difference = startPosition - endPosition;
var rotation = difference.Rotated(MathUtil.DegreesToRadians(90));
rotation.Normalize();
var start = rotation * startRadius;
var end = rotation * endRadius;
var correctedEnd = startPosition.Extend(
endPosition,
startPosition.Distance2D(endPosition) - endRadius * 0.45f);
var rightStartPosition = startPosition + start;
var leftStartPosition = startPosition - start;
var rightEndPosition = correctedEnd + end;
var leftEndPosition = correctedEnd - end;
rectangle[0] = DrawLine(rightStartPosition, rightEndPosition);
rectangle[1] = DrawLine(rightStartPosition, leftStartPosition);
rectangle[2] = DrawLine(leftStartPosition, leftEndPosition);
rectangle[3] = DrawArc(endPosition, startPosition, endRadius);
}
public void UpdateRectaglePosition(
Vector3 startPosition,
Vector3 endPosition,
float startWidth,
float endWidth = 0)
{
if (rectangle[0] == null)
{
return;
}
if (endWidth <= 0)
{
endWidth = startWidth;
}
endPosition = startPosition.Extend(endPosition, startPosition.Distance2D(endPosition) + endWidth / 2);
var difference = startPosition - endPosition;
var rotation = difference.Rotated(MathUtil.DegreesToRadians(90));
rotation.Normalize();
var start = rotation * startWidth;
var end = rotation * endWidth;
var rightStartPosition = startPosition + start;
var leftStartPosition = startPosition - start;
var rightEndPosition = endPosition + end;
var leftEndPosition = endPosition - end;
rectangle[0].SetControlPoint(1, rightStartPosition);
rectangle[0].SetControlPoint(2, rightEndPosition);
rectangle[1].SetControlPoint(1, rightStartPosition);
rectangle[1].SetControlPoint(2, leftStartPosition);
rectangle[2].SetControlPoint(1, leftStartPosition);
rectangle[2].SetControlPoint(2, leftEndPosition);
rectangle[3].SetControlPoint(1, leftEndPosition);
rectangle[3].SetControlPoint(2, rightEndPosition);
}