void Update()
{
SVG.Clear();
for (var i = 0; i < 4; ++i)
{
var angle0 = Mathf.PI * 0.5f * (i + 0);
var angle1 = Mathf.PI * 0.5f * (i + 1);
var r = 3f;
var x0 = Mathf.Cos(angle0) * r;
var y0 = Mathf.Sin(angle0) * r;
var x1 = Mathf.Cos(angle1) * r;
var y1 = Mathf.Sin(angle1) * r;
var a = r * (4f / 3f) * Mathf.Tan((angle1 - angle0) / 4f);
var inAngle = angle0 + Mathf.PI * 0.5f;
var inX = x0 + Mathf.Cos(inAngle) * a;
var inY = y0 + Mathf.Sin(inAngle) * a;
var outAngle = angle1 - Mathf.PI * 0.5f;
var outX = x1 + Mathf.Cos(outAngle) * a;
var outY = y1 + Mathf.Sin(outAngle) * a;
if (i == 0)
{
SVG.Move(x0, y0);
}
SVG.Curve(inX, inY, outX, outY, x1, y1);
}
Mesh.Fill(SVG);
}
void Update()
{
Rects.RemoveAll(r => r == null);
for (var i = 0; i < Rects.Count; ++i)
{
for (var j = i + 1; j < Rects.Count; ++j)
{
if (Rects[i].HitTest(Rects[j]))
{
continue;
}
if (Rects[j].HitTest(Rects[i]))
{
continue;
}
}
}
LineSVG.Clear();
if (IsDragging)
{
var p = GetMousePoint();
if (Input.GetMouseButton(0))
{
DrawLine(LineSVG, DragStart, p);
}
else
{
IsDragging = false;
foreach (var r in Rects.ToList())
{
r.Split(DragStart, p, Rects);
}
}
}
else
{
if (Input.GetMouseButtonDown(0))
{
DragStart = GetMousePoint();
IsDragging = true;
}
}
LineMesh.Fill(LineSVG);
}
void Update()
{
HeadSVG.Clear();
TailSVG.Clear();
BodySVG.Clear();
Update(Time.deltaTime);
var v = Mathf.Max(0.7f, 1.3f - Mathf.Clamp01((Head - Tail).magnitude / 3f));
Circle(HeadSVG, Head, HeadR);
Circle(TailSVG, Tail, TailR);
Metaball(BodySVG, Head, HeadR, Tail, TailR, v);
HeadMesh.Fill(HeadSVG);
TailMesh.Fill(TailSVG);
BodyMesh.Fill(BodySVG);
}
void Update()
{
Circle1SVG.Clear();
Circle2SVG.Clear();
MetaballSVG.Clear();
var c1 = (Vector2)Circle1Mesh.transform.localPosition;
var c2 = (Vector2)Circle2Mesh.transform.localPosition;
var c1R = 1f;
var c2R = 1.2f;
var v = Mathf.Max(0.5f, 1.3f - Mathf.Clamp01((c2 - c1).magnitude / 8f));
Circle(Circle1SVG, Vector2.zero, c1R);
Circle(Circle2SVG, Vector2.zero, c2R);
Metaball(MetaballSVG, c1, c1R, c2, c2R, v);
Circle1Mesh.Fill(Circle1SVG);
Circle2Mesh.Fill(Circle2SVG);
MetaballMesh.Fill(MetaballSVG);
}
private void Render()
{
SVG.Clear();
Draw(SVG);
Mesh.Fill(SVG);
}
