scratchfoundation/paper.js
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Change the way the Line class handles direction vectors and infinite lines.

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The beginning of performance improvements in the Line class.
This commit is contained in:
Jürg Lehni 2013-05-26 15:44:52 -07:00
parent 1fb0a3a13c
commit 80f9f6061c
5 changed files with 66 additions and 80 deletions
src/path
Curve.js

8
src/path/Curve.js
View file

@ -1162,13 +1162,9 @@ new function() { // Scope for methods that require numerical integration
&& (Curve.isLinear(v2)
|| Curve.isFlatEnough(v2, /*#=*/ Numerical.TOLERANCE))) {
// See if the parametric equations of the lines interesct.
// var point = new Line(v1[0], v1[1], v1[6], v1[7], false)
// .intersect(new Line(v2[0], v2[1], v2[6], v2[7], false));
// Use static version without creation of Line objects, but it
// doesn't seem to yield measurable speed improvements!
var point = Line.intersect(
v1[0], v1[1], v1[6], v1[7],
v2[0], v2[1], v2[6], v2[7], false);
v2[0], v2[1], v2[6], v2[7]);
if (point)
addLocation(locations, curve1, null, point, curve2);
} else {
@ -1439,7 +1435,7 @@ new function() { // Scope for methods that require numerical integration
function getLineLineIntersection(v1, v2, curve1, curve2, locations) {
var point = Line.intersect(
v1[0], v1[1], v1[6], v1[7],
v2[0], v2[1], v2[6], v2[7], false);
v2[0], v2[1], v2[6], v2[7]);
// Passing null for parameter leads to lazy determination of parameter
// values in CurveLocation#getParameter() only once they are requested.
if (point)