def makecurve(pt1, pt2, c1, c2):
p = Path()
p.moveto(pt1.x, pt1.y)
p.curveto(c1.x, c1.y, c2.x, c2.y, pt2.x, pt2.y)
p.fill = None
p.stroke = Color.BLACK
p.strokeWidth = 1.0
return p
def quad_curve(pt1, pt2, t, distance):
t /= 100.0
cx = pt1.x + t * (pt2.x - pt1.x)
cy = pt1.y + t * (pt2.y - pt1.y)
a = angle(pt1.x, pt1.y, pt2.x, pt2.y) + 90
qx, qy = coordinates(cx, cy, distance, a)
p = Path()
p.moveto(pt1.x, pt1.y)
c1x = pt1.x + 2 / 3.0 * (qx - pt1.x)
c1y = pt1.y + 2 / 3.0 * (qy - pt1.y)
c2x = pt2.x + 2 / 3.0 * (qx - pt2.x)
c2y = pt2.y + 2 / 3.0 * (qy - pt2.y)
p.curveto(c1x, c1y, c2x, c2y, pt2.x, pt2.y)
p.fill = None
p.stroke = Color.BLACK
p.strokeWidth = 1.0
return p
def quad_curve(pt1, pt2, t, distance):
t /= 100.0
cx = pt1.x + t * (pt2.x - pt1.x)
cy = pt1.y + t * (pt2.y - pt1.y)
a = angle(pt1.x, pt1.y, pt2.x, pt2.y) + 90
qx, qy = coordinates(cx, cy, distance, a)
p = Path()
p.moveto(pt1.x, pt1.y)
c1x = pt1.x + 2/3.0 * (qx - pt1.x)
c1y = pt1.y + 2/3.0 * (qy - pt1.y)
c2x = pt2.x + 2/3.0 * (qx - pt2.x)
c2y = pt2.y + 2/3.0 * (qy - pt2.y)
p.curveto(c1x, c1y, c2x, c2y, pt2.x, pt2.y)
p.fill = None
p.stroke = Color.BLACK
p.strokeWidth = 1.0
return p
