alex/restaurant-search
1
Fork 0
Code Releases Activity

Cleanup of range

Browse Source
This commit is contained in:
Alex Yatskov 2014-11-08 11:48:10 +09:00
parent 8b7759a82a
commit 74b9331044
1 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
client/scripts/grapher.js
View File

@ -31,41 +31,41 @@
// Range
//
function Range(start, end) {
this.start = Math.min(start, end);
this.end = Math.max(start, end);
function Range(min, max) {
this.min = Math.min(min, max);
this.max = Math.max(min, max);
this.contains = function(value) {
return value >= this.start && value <= this.end;
return value >= this.min && value <= this.max;
};
this.length = function() {
return this.end - this.start;
return this.max - this.min;
};
this.clamp = function(value) {
if (value < this.start) {
return this.start;
if (value < this.min) {
return this.min;
}
if (value > this.end) {
return this.end;
if (value > this.max) {
return this.max;
}
return value;
};
this.include = function(range) {
this.start = Math.min(this.start, range.start);
this.end = Math.max(this.end, range.end);
this.min = Math.min(this.min, range.min);
this.max = Math.max(this.max, range.max);
};
this.offset = function(value) {
return (value - this.start) / this.length();
return (value - this.min) / this.length();
};
this.project = function(value) {
return this.start + this.length() * value;
return this.min + this.length() * value;
};
}
@ -125,7 +125,7 @@
// indicator
var range = computeIndicatorRange();
_elements.indicator = _canvas.rect(
_tickSize, range.start, _width - (_densitySize + _tickSize), (range.end - range.start)
_tickSize, range.min, _width - (_densitySize + _tickSize), (range.max - range.min)
).attr({cursor: 'crosshair', fill: computeIndicatorColor()}).click(clicked);
// tick
@ -159,8 +159,8 @@
var range = computeIndicatorRange();
_elements.indicator.attr({
y: range.start,
height: range.end - range.start,
y: range.min,
height: range.max - range.min,
fill: computeIndicatorColor()
});
}
@ -174,7 +174,7 @@
var colorPercent = 0;
if (_scale.length() > 0) {
colorPercent = Math.max(0, groupSize - _scale.start) / _scale.length();
colorPercent = Math.max(0, groupSize - _scale.min) / _scale.length();
}
var colorByte = 0xff - Math.min(0xff, Math.round(0xff * colorPercent));
@ -195,7 +195,7 @@
var hintGroups = [];
for (var i = 0; i < _steps; ++i) {
var stepMax = _range.end - stepSize * i;
var stepMax = _range.max - stepSize * i;
var stepMin = stepMax - stepSize;
var hintCount = 0;
@ -224,8 +224,8 @@
function valueColorAdjust(color, offset) {
var colorObj = tinycolor(color);
var rangeEnd = _data.value >= 0.0 ? _range.end : _range.start;
var rangeMid = (_range.start + _range.end) / 2.0;
var rangeEnd = _data.value >= 0.0 ? _range.max : _range.min;
var rangeMid = (_range.min + _range.max) / 2.0;
var rangeRat = (_data.value - rangeMid) / (rangeEnd - rangeMid);
var desatVal = Math.max(0.0, 1.0 - rangeRat + offset) * 100.0;
return colorObj.desaturate(desatVal).toHexString();