diff --git a/docs/chapters/abc/content.en-GB.md b/docs/chapters/abc/content.en-GB.md index cc71e121..ae23ba46 100644 --- a/docs/chapters/abc/content.en-GB.md +++ b/docs/chapters/abc/content.en-GB.md @@ -105,4 +105,4 @@ And then reverse engineer the curve's control points: \end{aligned} \right . \] -So: if we have a curve's start and end points, then for any `t` value we implicitly know all the ABC values, which (combined with an educated guess on appropriate `e1` and `e2` coordinates for cubic curves) gives us the necessary information to reconstruct a curve's "de Casteljau skeleton". Which means that we can now do several things: we can "fit" curves using only three points, which means we can also "mold" curves by moving an on-curve point but leaving its start and end points, and then reconstruct the curve based on where we moved the on-curve point to. These are very useful things, and we'll look at both in the next few sections. +So: if we have a curve's start and end points, as well as some third point B that we want the curve to pass through, then for any `t` value we implicitly know all the ABC values, which (combined with an educated guess on appropriate `e1` and `e2` coordinates for cubic curves) gives us the necessary information to reconstruct a curve's "de Casteljau skeleton". Which means that we can now do several things: we can "fit" curves using only three points, which means we can also "mold" curves by moving an on-curve point but leaving its start and end points, and then reconstruct the curve based on where we moved the on-curve point to. These are very useful things, and we'll look at both in the next few sections.