public ISVGElement Reverse()
{
SVGLine result = new SVGLine(_closed);
result._points = new List <Vector2>(_points);
result._points.Reverse();
return(result);
}
public static ISVGElement CreateRect(Rect r)
{
SVGLine line = new SVGLine(true);
line.Add(new Vector2(r.xMin, r.yMin));
line.Add(new Vector2(r.xMax, r.yMin));
line.Add(new Vector2(r.xMax, r.yMax));
line.Add(new Vector2(r.xMin, r.yMax));
return(line);
}
public List <ISVGElement> RenderDashed(float aStepResolution, AnimationCurve aDashStrength, Vector2 aGapSize, Vector2 aDashSize)
{
List <ISVGElement> result = new List <ISVGElement>();
SVGLine curr = new SVGLine(false);
float dist = 0;
float nextSwitch = 0;
bool on = true;
Vector2 prevPt = _points[0].point;
int count = _closed ? _points.Count : _points.Count - 1;
for (int i = 0; i < count; i++)
{
Vector2 p1 = _points[i].point;
Vector2 p2 = _points[WrapI(i + 1)].point;
Vector2 c1 = GetControl(i, true);
Vector2 c2 = GetControl(WrapI(i + 1), false);
float length = BezierLength(p1, c1, c2, p2);
float str1 = aDashStrength.Evaluate(i / (count - 1f));
float str2 = aDashStrength.Evaluate(WrapI(i + 1) / (count - 1f));
int steps = (int)(length / aStepResolution);
for (int s = 0; s < steps; s++)
{
float pct = s / (float)steps;
float str = Mathf.Lerp(str1, str2, pct);
Vector2 pt = BezierPoint(p1, c1, c2, p2, s / (float)steps);
float d = (pt - prevPt).magnitude;
dist += d;
if (dist >= nextSwitch && str < 1)
{
if (on)
{
on = false;
nextSwitch = dist + Mathf.Lerp(aGapSize.x, aGapSize.y, 1 - str);
curr.Add(pt);
}
else
{
on = true;
nextSwitch = dist + Mathf.Lerp(aDashSize.x, aDashSize.y, 1 - str);
if (curr.Count > 1)
{
result.Add(curr);
}
curr = new SVGLine();
}
}
if (on)
{
curr.Add(pt);
}
prevPt = pt;
}
}
if (curr.Count > 1)
{
result.Add(curr);
}
return(result);
}