Svg.marker.arc.tangent: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 291-294 of gralha-svg-render@0.1.0.1/svg.bend: https://jend.leeeet.dev/read.txt?path=gralha-svg-render@0.1.0.1/svg.bend&start_line=291&end_line=294

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

def marker.arc.tangent(+rx: F32, +ry: F32, +phi: F32, +theta: F32, +delta: F32) -> Point:
  +direction = U.choose(F32, F32.is_lt(delta, 0.0), F32.neg(1.0), 1.0)
  Point{((F32.neg(rx) * F32.cos(phi) * F32.sin(theta) - ry * F32.sin(phi) * F32.cos(theta)) * direction : F32),
    ((F32.neg(rx) * F32.sin(phi) * F32.sin(theta) + ry * F32.cos(phi) * F32.cos(theta)) * direction : F32)}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.cos
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.neg
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sin
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Point
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=choose