void _addPoint(uiPathPoint point)
{
if (this._paths.Count == 0)
{
this.addPath();
this.addPoint(0, 0, uiPointFlags.corner);
}
var path = this._paths[this._paths.Count - 1];
if (path.count > 0)
{
var pt = this._points[this._points.Count - 1];
if (uiPathUtils.ptEquals(pt.x, pt.y, point.x, point.y, this._distTol))
{
pt.flags |= point.flags;
this._points[this._points.Count - 1] = pt;
return;
}
}
this._points.Add(point);
path.count++;
this._paths[this._paths.Count - 1] = path;
}
public static void buttCapEnd(this uiList <Vector3> dst, uiPathPoint p,
float dx, float dy, float w, float d)
{
float px = p.x + dx * d;
float py = p.y + dy * d;
float dlx = dy;
float dly = -dx;
dst.Add(new Vector2(px + dlx * w, py + dly * w));
dst.Add(new Vector2(px - dlx * w, py - dly * w));
}
public static uiPathPoint create(float x = 0, float y = 0, float dx = 0, float dy = 0, float len = 0,
float dmx = 0, float dmy = 0,
uiPointFlags flags = uiPointFlags.corner)
{
uiPathPoint newPoint = new uiPathPoint();
newPoint.x = x;
newPoint.y = y;
newPoint.dx = dx;
newPoint.dy = dy;
newPoint.len = len;
newPoint.dmx = dmx;
newPoint.dmy = dmy;
newPoint.flags = flags;
return(newPoint);
}
public static void chooseBevel(bool bevel, uiPathPoint p0, uiPathPoint p1, float w,
out float x0, out float y0, out float x1, out float y1)
{
if (bevel)
{
x0 = p1.x + p0.dy * w;
y0 = p1.y - p0.dx * w;
x1 = p1.x + p1.dy * w;
y1 = p1.y - p1.dx * w;
}
else
{
x0 = p1.x + p1.dmx * w;
y0 = p1.y + p1.dmy * w;
x1 = p1.x + p1.dmx * w;
y1 = p1.y + p1.dmy * w;
}
}
public static void roundCapEnd(this uiList <Vector3> dst, uiPathPoint p,
float dx, float dy, float w, int ncap)
{
float px = p.x;
float py = p.y;
float dlx = dy;
float dly = -dx;
dst.Add(new Vector2(px + dlx * w, py + dly * w));
dst.Add(new Vector2(px - dlx * w, py - dly * w));
for (var i = 0; i < ncap; i++)
{
float a = (float)i / (ncap - 1) * Mathf.PI;
float ax = Mathf.Cos(a) * w, ay = Mathf.Sin(a) * w;
dst.Add(new Vector2(px, py));
dst.Add(new Vector2(px - dlx * ax + dx * ay, py - dly * ax + dy * ay));
}
}
public static void bevelJoin(this uiList <Vector3> dst, uiList <Vector2> uv, uiPathPoint p0, uiPathPoint p1,
float lw, float rw, float lu, float ru, float fringe)
{
float rx0, ry0, rx1, ry1;
float lx0, ly0, lx1, ly1;
float dlx0 = p0.dy;
float dly0 = -p0.dx;
float dlx1 = p1.dy;
float dly1 = -p1.dx;
if ((p1.flags & uiPointFlags.left) != 0)
{
chooseBevel((p1.flags & uiPointFlags.innerBevel) != 0, p0, p1, lw,
out lx0, out ly0, out lx1, out ly1);
dst.Add(new Vector2 {
x = lx0, y = ly0
});
dst.Add(new Vector2 {
x = p1.x - dlx0 * rw, y = p1.y - dly0 * rw
});
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
if ((p1.flags & uiPointFlags.bevel) != 0)
{
dst.Add(new Vector2(lx0, ly0));
dst.Add(new Vector2(p1.x - dlx0 * rw, p1.y - dly0 * rw));
dst.Add(new Vector2(lx1, ly1));
dst.Add(new Vector2(p1.x - dlx1 * rw, p1.y - dly1 * rw));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
else
{
rx0 = p1.x - p1.dmx * rw;
ry0 = p1.y - p1.dmy * rw;
dst.Add(new Vector2(p1.x, p1.y));
dst.Add(new Vector2(p1.x - dlx0 * rw, p1.y - dly0 * rw));
dst.Add(new Vector2(rx0, ry0));
dst.Add(new Vector2(rx0, ry0));
dst.Add(new Vector2(p1.x, p1.y));
dst.Add(new Vector2(p1.x - dlx1 * rw, p1.y - dly1 * rw));
uv.Add(new Vector2(0.5f, 1));
uv.Add(new Vector2(ru, 1));
uv.Add(new Vector2(ru, 1));
uv.Add(new Vector2(ru, 1));
uv.Add(new Vector2(0.5f, 1));
uv.Add(new Vector2(ru, 1));
}
dst.Add(new Vector2(lx1, ly1));
dst.Add(new Vector2(p1.x - dlx1 * rw, p1.y - dly1 * rw));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
else
{
chooseBevel((p1.flags & uiPointFlags.innerBevel) != 0, p0, p1, -rw,
out rx0, out ry0, out rx1, out ry1);
dst.Add(new Vector2(p1.x + dlx0 * lw, p1.y + dly0 * lw));
dst.Add(new Vector2(rx0, ry0));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
if ((p1.flags & uiPointFlags.bevel) != 0)
{
dst.Add(new Vector2(p1.x + dlx0 * lw, p1.y + dly0 * lw));
dst.Add(new Vector2(rx0, ry0));
dst.Add(new Vector2(p1.x + dlx1 * lw, p1.y + dly1 * lw));
dst.Add(new Vector2(rx1, ry1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
else
{
lx0 = p1.x + p1.dmx * lw;
ly0 = p1.y + p1.dmy * lw;
dst.Add(new Vector2(p1.x + dlx0 * lw, p1.y + dly0 * lw));
dst.Add(new Vector2(p1.x, p1.y));
dst.Add(new Vector2(lx0, ly0));
dst.Add(new Vector2(lx0, ly0));
dst.Add(new Vector2(p1.x + dlx1 * lw, p1.y + dly1 * lw));
dst.Add(new Vector2(p1.x, p1.y));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(0.5f, 1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(0.5f, 1));
}
dst.Add(new Vector2(p1.x + dlx1 * lw, p1.y + dly1 * lw));
dst.Add(new Vector2(rx1, ry1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
}
public static void roundJoin(this uiList <Vector3> dst, uiList <Vector2> uv, uiPathPoint p0, uiPathPoint p1,
float lw, float rw, int ncap, float lu, float ru, float fringe)
{
float dlx0 = p0.dy;
float dly0 = -p0.dx;
float dlx1 = p1.dy;
float dly1 = -p1.dx;
if ((p1.flags & uiPointFlags.left) != 0)
{
float lx0, ly0, lx1, ly1;
chooseBevel((p1.flags & uiPointFlags.innerBevel) != 0, p0, p1, lw,
out lx0, out ly0, out lx1, out ly1);
float a0 = Mathf.Atan2(-dly0, -dlx0);
float a1 = Mathf.Atan2(-dly1, -dlx1);
if (a1 > a0)
{
a1 -= Mathf.PI * 2;
}
dst.Add(new Vector2(lx0, ly0));
dst.Add(new Vector2(p1.x - dlx0 * rw, p1.y - dly0 * rw));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
var n = Mathf.CeilToInt((a0 - a1) / Mathf.PI * ncap).clamp(2, ncap);
for (var i = 0; i < n; i++)
{
float u = (float)i / (n - 1);
float a = a0 + u * (a1 - a0);
float rx = p1.x + Mathf.Cos(a) * rw;
float ry = p1.y + Mathf.Sin(a) * rw;
dst.Add(new Vector2(p1.x, p1.y));
dst.Add(new Vector2(rx, ry));
uv.Add(new Vector2(0.5f, 1));
uv.Add(new Vector2(ru, 1));
}
dst.Add(new Vector2(lx1, ly1));
dst.Add(new Vector2(p1.x - dlx1 * rw, p1.y - dly1 * rw));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
else
{
float rx0, ry0, rx1, ry1;
chooseBevel((p1.flags & uiPointFlags.innerBevel) != 0, p0, p1, -rw,
out rx0, out ry0, out rx1, out ry1);
float a0 = Mathf.Atan2(dly0, dlx0);
float a1 = Mathf.Atan2(dly1, dlx1);
if (a1 < a0)
{
a1 += Mathf.PI * 2;
}
dst.Add(new Vector2(p1.x + dlx0 * lw, p1.y + dly0 * lw));
dst.Add(new Vector2(rx0, ry0));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
var n = Mathf.CeilToInt((a1 - a0) / Mathf.PI * ncap).clamp(2, ncap);
for (var i = 0; i < n; i++)
{
float u = (float)i / (n - 1);
float a = a0 + u * (a1 - a0);
float lx = p1.x + Mathf.Cos(a) * lw;
float ly = p1.y + Mathf.Sin(a) * lw;
dst.Add(new Vector2(lx, ly));
dst.Add(new Vector2(p1.x, p1.y));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(0.5f, 1));
}
dst.Add(new Vector2(p1.x + dlx1 * lw, p1.y + dly1 * lw));
dst.Add(new Vector2(rx1, ry1));
uv.Add(new Vector2(lu, 1));
uv.Add(new Vector2(ru, 1));
}
}
public static void buttCapEnd(this uiList <Vector3> dst, uiList <Vector2> uv, uiPathPoint p,
float dx, float dy, float w, float d, float aa, float u0, float u1)
{
float px = p.x + dx * d;
float py = p.y + dy * d;
float dlx = dy;
float dly = -dx;
dst.Add(new Vector2(px + dlx * w, py + dly * w));
dst.Add(new Vector2(px - dlx * w, py - dly * w));
dst.Add(new Vector2(px + dlx * w + dx * aa, py + dly * w + dy * aa));
dst.Add(new Vector2(px - dlx * w + dx * aa, py - dly * w + dy * aa));
uv.Add(new Vector2(u0, 1));
uv.Add(new Vector2(u1, 1));
uv.Add(new Vector2(u0, 0));
uv.Add(new Vector2(u1, 0));
}
