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Code Issues Releases Wiki Activity

Improve appearance of railroad arrows

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Astrid Elocson 2015-01-18 18:50:51 +00:00
parent 53953399c3
commit 6842a354ea
1 changed files with 3 additions and 1 deletions
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plugins/tiddlywiki/railroad/files/railroad-diagrams.js
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@ -373,8 +373,10 @@ var temp = (function(options) {
/* TiddlyWiki: code added */
if(this.wantArrow) {
var arrowSize = Diagram.ARC_RADIUS/2;
// Compensate for the illusion that makes the arrow look unbalanced if it's too close to the curve below it
var multiplier = (distanceFromY < arrowSize*5) ? 1.2 : 1;
Path(x-arrowSize, y+distanceFromY/2 + arrowSize/2, {class:"arrow"}).
line(arrowSize, -arrowSize).line(arrowSize, arrowSize).addTo(this);
line(arrowSize, -arrowSize).line(arrowSize*multiplier, arrowSize).addTo(this);
}
return this;