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Remove old version of Curve#getParameterOf()

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Jürg Lehni 2015-10-21 00:17:05 +02:00
parent 140fba56cc
commit d543658c43
1 changed files with 0 additions and 51 deletions
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51
src/path/Curve.js
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@ -613,57 +613,6 @@ statics: {
return Numerical.solveCubic(a, b, c, p1 - val, roots, min, max);
},
getParameterOf_: function(v, point) {
// Handle beginnings and end separately, as they are not detected
// sometimes.
var x = point.x,
y = point.y,
epsilon = /*#=*/Numerical.GEOMETRIC_EPSILON,
abs = Math.abs;
if (abs(v[0] - x) < epsilon && abs(v[1] - y) < epsilon)
return 0;
if (abs(v[6] - x) < epsilon && abs(v[7] - y) < epsilon)
return 1;
var txs = [],
tys = [],
sx = Curve.solveCubic(v, 0, x, txs, 0, 1),
// Only solve for y if x actually has some solutions
sy = sx !== 0 ? Curve.solveCubic(v, 1, y, tys, 0, 1) : 0,
tx, ty;
// sx, sy === -1 means infinite solutions.
// sx === -1 && sy === -1 means the curve is a point and there really is
// an infinite number of solutions. Let's just return t = 0, as they are
// all valid and actually end up being the same position.
if (sx === -1 && sy === -1)
return 0;
// Loop through all solutions for x and match with solutions for y,
// to see if we either have a matching pair, or infinite solutions
// for one or the other.
for (var cx = 0; sx === -1 || cx < sx;) {
if (sx === -1 || (tx = txs[cx++]) > 0 && tx < 1) {
for (var cy = 0; sy === -1 || cy < sy;) {
if (sy === -1 || (ty = tys[cy++]) > 0 && ty < 1) {
// Handle infinite solutions by assigning root of
// the other polynomial
if (sx === -1) {
tx = ty;
} else if (sy === -1) {
ty = tx;
}
// Use average if we're within curve-time epsilon
if (abs(tx - ty) < /*#=*/Numerical.CURVETIME_EPSILON)
return (tx + ty) * 0.5;
}
}
// Avoid endless loops here: If sx is infinite and there was
// no fitting ty, there's no solution for this bezier
if (sx === -1)
break;
}
}
return null;
},
getParameterOf: function(v, point) {
// Before solving cubics, compare the beginning and end of the curve
// with zero epsilon: