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Ellipse


A two dimensional shape that surrounds two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant.

The radius determines the size of the ellipsoid about X and Y axis. Ellipsoids can be created at a requested center. The segments specify the number of segments to create per full rotation.

Defaults:

  • radius : [1, 1]
  • center : [0, 0]
  • startAngle : 0
  • endAngle : PI * 2
  • segments: 32
const myshape = ellipse({radius: [5, 10]})
const myshape = circle({radius: [5, 10], center: [5, 5], startAngle: Math.PI / 2, endAngle: Math.PI, segments: 64})

Circle

A two dimensional shape made by drawing a curve that is always the same distance from a center. All points are the same distance from the center.


Learn about circles at MathIsFun.com

The radius specifies the size across both X and Y axis. Circles can be created at a requested center. The segments specify the number of segments to create per full rotation.

Defaults:

  • radius : 1
  • center : [0, 0]
  • segments: 32
const myshape = circle({radius: 10})
const myshape = circle({radius: 10, center: [5, 5], startAngle: Math.PI / 2, endAngle: Math.PI, segments: 64})