public void dome(Vector2 a, Vector2 b, float segs = 3, float tension = .3f)
{
float dt = 1f / (float)segs;
Vector2 d = b - a;
float hanx = tension * d.x;
float hany = tension * d.y;
// bezier 1
//Vector2 ha = new Vector2(a.x+hanx, a.y);
//Vector2 hb = new Vector2(b.x, b.y-hany);
Vector2 ha = new Vector2(a.x, a.y + hany);
Vector2 hb = new Vector2(b.x - hanx, b.y);
Vector2 pt;
for (float i = 1; i <= segs; i++)
{
pt = AXTurtle.bezierValue(a, ha, hb, b, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
}
public void cymareversa(Vector2 a, Vector2 b, float segs = 3, float tension = .3f)
{
float dt = 1f / (float)segs;
Vector2 d = b - a;
Vector2 midpt = a + d / 2;
float hanx = tension * d.x;
float hany = tension * d.y;
Vector2 pt;
// bezier 1
Vector2 ha1 = new Vector2(a.x, a.y + hanx);
Vector2 ha2 = new Vector2(midpt.x - hanx, midpt.y - hany / 2);
for (float i = 1; i <= segs; i++)
{
pt = AXTurtle.bezierValue(a, ha1, ha2, midpt, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
// bezier 2
Vector2 hb1 = new Vector2(midpt.x + hanx, midpt.y + hany / 2);
Vector2 hb2 = new Vector2(b.x, b.y - hany);
for (float i = 1; i <= segs; i++)
{
pt = AXTurtle.bezierValue(midpt, hb1, hb2, b, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
}
public void bezier(Vector2 a, Vector2 b, Vector2 c, Vector2 d, int segs)
{
assertPath(a);
float dt = 1f / (float)segs;
for (float i = 1; i <= segs; i++)
{
Vector2 pt = AXTurtle.bezierValue(a, b, c, d, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
if (c.x == d.x && c.y != d.y)
{
if (c.y > d.y)
{
dir(270);
}
else
{
dir(90);
}
}
else
{
dir(Mathf.Atan2(d.y - c.y, d.x - c.x) * Mathf.Rad2Deg);
}
}
public void onion(Vector2 a, Vector2 b, float segs = 3, float tension = .9f)
{
// VALIDATION: Assert at least 3 sides
segs = Mathf.Max(segs, 3);
float dt = 1f / (float)segs;
Vector2 d = b - a;
Vector2 midpt = a + d / 2;
midpt.x = a.x - .2f * d.x;
midpt.y = a.y + .5f * d.y;
float hanx = 1.2f * Mathf.Abs(tension * d.x);
float hany = .20f * Mathf.Abs(tension * d.y);
Vector2 pt;
// bezier 1
Vector2 ha1 = new Vector2(a.x + hanx, a.y);
Vector2 ha2 = new Vector2(midpt.x + hanx, midpt.y - hany);
for (float i = 1; i <= segs; i++)
{
pt = AXTurtle.bezierValue(a, ha1, ha2, midpt, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
// bezier 2
Vector2 hb1 = new Vector2(midpt.x - hanx, midpt.y + hany);
Vector2 hb2 = new Vector2(b.x, b.y - .5f * hany);
for (float i = 1; i <= segs; i++)
{
pt = AXTurtle.bezierValue(midpt, hb1, hb2, b, i * dt);
path.Add(new IntPoint(sup(pt.x), sup(pt.y)));
}
}
