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Resolves #147 Flip trees upside down with flip

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Peter Cottle 2014-01-03 10:26:39 -08:00
parent 108937aad5
commit 937977f232
12 changed files with 61 additions and 35 deletions
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8
src/js/visuals/visEdge.js
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@ -3,6 +3,7 @@ var Backbone = require('backbone');
var GRAPHICS = require('../util/constants').GRAPHICS;
var VisBase = require('../visuals/visBase').VisBase;
var GlobalState = require('../util/globalState');
var VisEdge = VisBase.extend({
defaults: {
@ -51,6 +52,7 @@ var VisEdge = VisBase.extend({
// is M(move abs) C (curve to) (control point 1) (control point 2) (final point)
// the control points have to be __below__ to get the curve starting off straight.
var flipFactor = (GlobalState.flipTreeY) ? -1 : 1;
var coords = function(pos) {
return String(Math.round(pos.x)) + ',' + String(Math.round(pos.y));
};
@ -58,19 +60,19 @@ var VisEdge = VisBase.extend({
delta = delta || GRAPHICS.curveControlPointOffset;
return {
x: pos.x,
y: pos.y + delta * dir
y: pos.y + flipFactor * delta * dir
};
};
var offset2d = function(pos, x, y) {
return {
x: pos.x + x,
y: pos.y + y
y: pos.y + flipFactor * y
};
};
// first offset tail and head by radii
tailPos = offset(tailPos, -1, this.get('tail').getRadius());
headPos = offset(headPos, 1, this.get('head').getRadius());
headPos = offset(headPos, 1, this.get('head').getRadius() * 1.15);
var str = '';
// first move to bottom of tail