def linear.parameter

gralha-svg-render@0.1.0.1 · svg.bend:2221

import gralha-svg-render@0.1.0.1/svg.bend as Svg

import Base
import gralha-text-scan@0.1.0.1/scan.bend as U

2221def linear.parameter(+p: Point, +start: Point, +end: Point) -> Parameter:
2222  +d = point.sub(end, start)
2223  +den = point.dot(d, d)
2224  Parameter{U.choose(F32, F32.is_lt(den, 0.0000000001), 1.0,
2225    (point.dot(point.sub(p, start), d) / den : F32)), True{}}

Uses (9)

Used by (1)

gralha-svg-render@0.1.0.1/svg:brush.sample