scratchfoundation/paper.js
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Remove faulty code for calculation of tangents / normals.

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This commit is contained in:
Jürg Lehni 2011-07-09 10:35:22 +02:00
parent ec00150df2
commit 839107d341
1 changed files with 3 additions and 36 deletions
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39
src/path/Curve.js
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@ -409,42 +409,9 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
// Handle special case at beginning / end of curve
// PORT: Change in Sg too, so 0.000000000001 won't be
// required anymore
if (t == 0 || t == 1) {
switch (type) {
case 0: // point
x = t == 0 ? p1x : p2x;
y = t == 0 ? p1y : p2y;
break;
case 1: // tangent
case 2: // normal
var px, py;
if (t == 0) {
if (c1x == p1x && c1y == p1y) { // handle1 = 0
if (c2x == p2x && c2y == p2y) { // handle2 = 0
px = p2x; py = p2y; // p2
} else {
px = c2x; py = c2y; // c2
}
} else {
px = c1x; py = c1y; // handle1
}
x = px - p1x;
y = py - p1y;
} else {
if (c2x == p2x && c2y == p2y) { // handle2 = 0
if (c1x == p1x && c1y == p1y) { // handle1 = 0
px = p1x; py = p1y; // p1
} else {
px = c1x; py = c1y; // c1
}
} else { // handle2
px = c2x; py = c2y;
}
x = p2x - px;
y = p2y - py;
}
break;
}
if (type == 0 && (t == 0 || t == 1)) {
x = t == 0 ? p1x : p2x;
y = t == 0 ? p1y : p2y;
} else {
// Calculate the polynomial coefficients.
var cx = 3 * (c1x - p1x),