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Product
Product features · Quadratic Bézier points
01
Open the control-point source with its preview fixture and trace the parameter through both interpolation stages before changing the drawing code.
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A model available through the configured endpoint.
Capabilities
Context limits and tool support are determined by the model and server.
Quadratic Bézier points
● ● ●CurveHearth●
A concrete starting point · Quadratic Bézier points ×
from math import isfinite
def quadratic_bezier(points, t):
def valid(v):
return type(v) in (int, float) and -1e100 <= v <= 1e100 and isfinite(v)
if type(points) not in (list, tuple) or len(points) != 3:
raise ValueError("three control points")
if any(type(p) not in (list, tuple) or len(p) != 2 or not all(map(valid,p)) for p in points):
raise ValueError("bounded finite 2D controls")
if not valid(t) or not 0 <= t <= 1: raise ValueError("parameter 0 through 1")
def mix(a,b): return tuple((1-t)*x+t*y for x,y in zip(a,b))
return mix(mix(points[0],points[1]),mix(points[1],points[2]))✳Evaluate a quadratic Bézier point from three two-dimensional controls bounded by 1e100 in magnitude.
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