diff options
Diffstat (limited to 'demo/resources/scripts/axure/math.js')
| -rw-r--r-- | demo/resources/scripts/axure/math.js | 554 |
1 files changed, 554 insertions, 0 deletions
diff --git a/demo/resources/scripts/axure/math.js b/demo/resources/scripts/axure/math.js new file mode 100644 index 0000000..0ae7b8c --- /dev/null +++ b/demo/resources/scripts/axure/math.js @@ -0,0 +1,554 @@ +$axure.internal(function($ax) {
+ $ax.public.fn.matrixMultiply = function(matrix, vector) {
+ if(!matrix.tx) matrix.tx = 0;
+ if(!matrix.ty) matrix.ty = 0;
+ var outX = matrix.m11 * vector.x + matrix.m12 * vector.y + matrix.tx;
+ var outY = matrix.m21 * vector.x + matrix.m22 * vector.y + matrix.ty;
+ return { x: outX, y: outY };
+ }
+
+ $ax.public.fn.matrixInverse = function(matrix) {
+ if(!matrix.tx) matrix.tx = 0;
+ if(!matrix.ty) matrix.ty = 0;
+
+ var determinant = matrix.m11*matrix.m22 - matrix.m12*matrix.m21;
+ //var threshold = (M11 * M11 + M22 *M22 + M12 *M12+ M21 *M21) / 100000;
+ //if(determinant.DeltaEquals(0, threshold) && determinant < 0.01) {
+ // return Invalid;
+ //}
+ return {
+ m11 : matrix.m22/determinant,
+ m12 : -matrix.m12/determinant,
+ tx : (matrix.ty*matrix.m12 - matrix.tx*matrix.m22)/determinant,
+ m21: -matrix.m21 / determinant,
+ m22: matrix.m11 / determinant,
+ ty: (matrix.tx * matrix.m21 - matrix.ty * matrix.m11) / determinant
+ };
+ }
+
+
+ $ax.public.fn.matrixMultiplyMatrix = function (matrix1, matrix2) {
+ if (!matrix1.tx) matrix1.tx = 0;
+ if (!matrix1.ty) matrix1.ty = 0;
+ if (!matrix2.tx) matrix2.tx = 0;
+ if (!matrix2.ty) matrix2.ty = 0;
+
+ return {
+ m11: matrix1.m12*matrix2.m21 + matrix1.m11*matrix2.m11,
+ m12: matrix1.m12*matrix2.m22 + matrix1.m11*matrix2.m12,
+ tx: matrix1.m12 * matrix2.ty + matrix1.m11 * matrix2.tx + matrix1.tx,
+ m21: matrix1.m22 * matrix2.m21 + matrix1.m21 * matrix2.m11,
+ m22: matrix1.m22 * matrix2.m22 + matrix1.m21 * matrix2.m12,
+ ty: matrix1.m22 * matrix2.ty + matrix1.m21 * matrix2.tx + matrix1.ty,
+ };
+ }
+
+
+ $ax.public.fn.transformFromElement = function (element) {
+ var st = window.getComputedStyle(element, null);
+
+ var tr = st.getPropertyValue("-webkit-transform") ||
+ st.getPropertyValue("-moz-transform") ||
+ st.getPropertyValue("-ms-transform") ||
+ st.getPropertyValue("-o-transform") ||
+ st.getPropertyValue("transform");
+
+ if (tr.indexOf('none') < 0) {
+ var matrix = tr.split('(')[1];
+ matrix = matrix.split(')')[0];
+ matrix = matrix.split(',');
+ for (var l = 0; l < matrix.length; l++) {
+ matrix[l] = Number(matrix[l]);
+ }
+
+ } else { matrix = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0]; }
+
+ return matrix;
+ // matrix[0] = cosine, matrix[1] = sine.
+ // Assuming the element is still orthogonal.
+ }
+
+ $ax.public.fn.vectorMinus = function(vector1, vector2) { return { x: vector1.x - vector2.x, y: vector1.y - vector2.y }; }
+
+ $ax.public.fn.vectorPlus = function (vector1, vector2) { return { x: vector1.x + vector2.x, y: vector1.y + vector2.y }; }
+
+ $ax.public.fn.vectorMidpoint = function (vector1, vector2) { return { x: (vector1.x + vector2.x) / 2.0, y: (vector1.y + vector2.y) / 2.0 }; }
+
+ $ax.public.fn.fourCornersToBasis = function (fourCorners) {
+ return {
+ widthVector: $ax.public.fn.vectorMinus(fourCorners.widgetTopRight, fourCorners.widgetTopLeft),
+ heightVector: $ax.public.fn.vectorMinus(fourCorners.widgetBottomLeft, fourCorners.widgetTopLeft)
+ };
+ }
+
+ $ax.public.fn.matrixString = function(m11, m21, m12, m22, tx, ty) {
+ return "Matrix(" + m11 + "," + m21 + "," + m12 + "," + m22 + ", " + tx + ", " + ty + ")";
+ }
+
+ //$ax.public.fn.getWidgetBoundingRect = function (widgetId) {
+ // var emptyRect = { left: 0, top: 0, centerPoint: { x: 0, y: 0 }, width: 0, height: 0 };
+ // var element = document.getElementById(widgetId);
+ // if (!element) return emptyRect;
+
+ // var object = $obj(widgetId);
+ // if (object && object.type && $ax.public.fn.IsLayer(object.type)) {
+ // var layerChildren = _getLayerChildrenDeep(widgetId);
+ // if (!layerChildren) return emptyRect;
+ // else return _getBoundingRectForMultipleWidgets(layerChildren);
+ // }
+ // return _getBoundingRectForSingleWidget(widgetId);
+ //};
+
+ var _getLayerChildrenDeep = $ax.public.fn.getLayerChildrenDeep = function (layerId, includeLayers, includeHidden) {
+ var deep = [];
+ var children = $ax('#' + layerId).getChildren()[0].children;
+ for (var index = 0; index < children.length; index++) {
+ var childId = children[index];
+ if(!includeHidden && !$ax.visibility.IsIdVisible(childId)) continue;
+ if ($ax.public.fn.IsLayer($obj(childId).type)) {
+ if (includeLayers) deep.push(childId);
+ var recursiveChildren = _getLayerChildrenDeep(childId, includeLayers, includeHidden);
+ for (var j = 0; j < recursiveChildren.length; j++) deep.push(recursiveChildren[j]);
+ } else deep.push(childId);
+ }
+ return deep;
+ };
+
+ //var _getBoundingRectForMultipleWidgets = function (widgetsIdArray, relativeToPage) {
+ // if (!widgetsIdArray || widgetsIdArray.constructor !== Array) return undefined;
+ // if (widgetsIdArray.length == 0) return { left: 0, top: 0, centerPoint: { x: 0, y: 0 }, width: 0, height: 0 };
+ // var widgetRect = _getBoundingRectForSingleWidget(widgetsIdArray[0], relativeToPage, true);
+ // var boundingRect = { left: widgetRect.left, right: widgetRect.right, top: widgetRect.top, bottom: widgetRect.bottom };
+
+ // for (var index = 1; index < widgetsIdArray.length; index++) {
+ // widgetRect = _getBoundingRectForSingleWidget(widgetsIdArray[index], relativeToPage);
+ // boundingRect.left = Math.min(boundingRect.left, widgetRect.left);
+ // boundingRect.top = Math.min(boundingRect.top, widgetRect.top);
+ // boundingRect.right = Math.max(boundingRect.right, widgetRect.right);
+ // boundingRect.bottom = Math.max(boundingRect.bottom, widgetRect.bottom);
+ // }
+
+ // boundingRect.centerPoint = { x: (boundingRect.right + boundingRect.left) / 2.0, y: (boundingRect.bottom + boundingRect.top) / 2.0 };
+ // boundingRect.width = boundingRect.right - boundingRect.left;
+ // boundingRect.height = boundingRect.bottom - boundingRect.top;
+ // return boundingRect;
+ //};
+
+ //var _getBoundingRectForSingleWidget = function (widgetId, relativeToPage, justSides) {
+ // var element = document.getElementById(widgetId);
+ // var boundingRect, tempBoundingRect, position;
+ // var displayChanged = _displayHackStart(element);
+
+ // if (_isCompoundVectorHtml(element)) {
+ // //tempBoundingRect = _getCompoundImageBoundingClientSize(widgetId);
+ // //position = { left: tempBoundingRect.left, top: tempBoundingRect.top };
+ // position = $(element).position();
+ // tempBoundingRect = {};
+ // tempBoundingRect.left = position.left; //= _getCompoundImageBoundingClientSize(widgetId);
+ // tempBoundingRect.top = position.top;
+ // tempBoundingRect.width = Number(element.getAttribute('data-width'));
+ // tempBoundingRect.height = Number(element.getAttribute('data-height'));
+ // } else {
+ // var boundingElement = element;
+ // if($ax.dynamicPanelManager.isIdFitToContent(widgetId)) {
+ // var stateId = $ax.visibility.GetPanelState(widgetId);
+ // if(stateId != '') boundingElement = document.getElementById(stateId);
+ // }
+ // tempBoundingRect = boundingElement.getBoundingClientRect();
+
+ // var jElement = $(element);
+ // position = jElement.position();
+ // if(jElement.css('position') == 'fixed') {
+ // position.left += Number(jElement.css('margin-left').replace("px", ""));
+ // position.top += Number(jElement.css('margin-top').replace("px", ""));
+ // }
+ // }
+
+ // var layers = $ax('#' + widgetId).getParents(true, ['layer'])[0];
+ // var flip = '';
+ // var mirrorWidth = 0;
+ // var mirrorHeight = 0;
+ // for (var i = 0; i < layers.length; i++) {
+
+ // //should always be 0,0
+ // var layerPos = $jobj(layers[i]).position();
+ // position.left += layerPos.left;
+ // position.top += layerPos.top;
+
+ // var outer = $ax.visibility.applyWidgetContainer(layers[i], true, true);
+ // if (outer.length) {
+ // var outerPos = outer.position();
+ // position.left += outerPos.left;
+ // position.top += outerPos.top;
+ // }
+
+ // //when a group is flipped we find the unflipped position
+ // var inner = $jobj(layers[i] + '_container_inner');
+ // var taggedFlip = inner.data('flip');
+ // if (inner.length && taggedFlip) {
+ // //only account for flip if transform is applied
+ // var matrix = taggedFlip && (inner.css("-webkit-transform") || inner.css("-moz-transform") ||
+ // inner.css("-ms-transform") || inner.css("-o-transform") || inner.css("transform"));
+ // if (matrix !== 'none') {
+ // flip = taggedFlip;
+ // mirrorWidth = $ax.getNumFromPx(inner.css('width'));
+ // mirrorHeight = $ax.getNumFromPx(inner.css('height'));
+ // }
+ // }
+ // }
+ // //Now account for flip
+ // if (flip == 'x') position.top = mirrorHeight - position.top - element.getBoundingClientRect().height;
+ // else if (flip == 'y') position.left = mirrorWidth - position.left - element.getBoundingClientRect().width;
+
+ // boundingRect = {
+ // left: position.left,
+ // right: position.left + tempBoundingRect.width,
+ // top: position.top,
+ // bottom: position.top + tempBoundingRect.height
+ // };
+
+ // _displayHackEnd(displayChanged);
+ // if (justSides) return boundingRect;
+
+ // boundingRect.width = boundingRect.right - boundingRect.left;
+ // boundingRect.height = boundingRect.bottom - boundingRect.top;
+
+ // boundingRect.centerPoint = {
+ // x: boundingRect.width / 2 + boundingRect.left,
+ // y: boundingRect.height / 2 + boundingRect.top
+ // };
+
+ // return boundingRect;
+ //};
+
+ var _getPointAfterRotate = $ax.public.fn.getPointAfterRotate = function (angleInDegrees, pointToRotate, centerPoint) {
+ var displacement = $ax.public.fn.vectorMinus(pointToRotate, centerPoint);
+ var rotationMatrix = $ax.public.fn.rotationMatrix(angleInDegrees);
+ rotationMatrix.tx = centerPoint.x;
+ rotationMatrix.ty = centerPoint.y;
+ return $ax.public.fn.matrixMultiply(rotationMatrix, displacement);
+ };
+
+ $ax.public.fn.getBoundingSizeForRotate = function(width, height, rotation) {
+ // point to rotate around doesn't matter since we just care about size, if location matter we need more args and location matters.
+
+ var origin = { x: 0, y: 0 };
+
+ var corner1 = { x: width, y: 0 };
+ var corner2 = { x: 0, y: height };
+ var corner3 = { x: width, y: height };
+
+ corner1 = _getPointAfterRotate(rotation, corner1, origin);
+ corner2 = _getPointAfterRotate(rotation, corner2, origin);
+ corner3 = _getPointAfterRotate(rotation, corner3, origin);
+
+ var left = Math.min(0, corner1.x, corner2.x, corner3.x);
+ var right = Math.max(0, corner1.x, corner2.x, corner3.x);
+ var top = Math.min(0, corner1.y, corner2.y, corner3.y);
+ var bottom = Math.max(0, corner1.y, corner2.y, corner3.y);
+
+ return { width: right - left, height: bottom - top };
+ }
+
+ $ax.public.fn.getBoundingRectForRotate = function (boundingRect, rotation) {
+ var centerPoint = boundingRect.centerPoint;
+ var corner1 = { x: boundingRect.left, y: boundingRect.top };
+ var corner2 = { x: boundingRect.right, y: boundingRect.top };
+ var corner3 = { x: boundingRect.right, y: boundingRect.bottom };
+ var corner4 = { x: boundingRect.left, y: boundingRect.bottom };
+ corner1 = _getPointAfterRotate(rotation, corner1, centerPoint);
+ corner2 = _getPointAfterRotate(rotation, corner2, centerPoint);
+ corner3 = _getPointAfterRotate(rotation, corner3, centerPoint);
+ corner4 = _getPointAfterRotate(rotation, corner4, centerPoint);
+
+ var left = Math.min(corner1.x, corner2.x, corner3.x, corner4.x);
+ var right = Math.max(corner1.x, corner2.x, corner3.x, corner4.x);
+ var top = Math.min(corner1.y, corner2.y, corner3.y, corner4.y);
+ var bottom = Math.max(corner1.y, corner2.y, corner3.y, corner4.y);
+
+ return { left: left, top: top, width: right - left, height: bottom - top };
+ }
+
+
+ //$ax.public.fn.getPositionRelativeToParent = function (elementId) {
+ // var element = document.getElementById(elementId);
+ // var list = _displayHackStart(element);
+ // var position = $(element).position();
+ // _displayHackEnd(list);
+ // return position;
+ //};
+
+ //var _displayHackStart = $ax.public.fn.displayHackStart = function (element) {
+ // // TODO: Options: 1) stop setting display none. Big change for this late in the game. 2) Implement our own bounding.
+ // // TODO: 3) Current method is look for any parents that are set to none, and and temporarily unblock. Don't like it, but it works.
+ // var parent = element;
+ // var displays = [];
+ // while (parent) {
+ // if (parent.style.display == 'none') {
+ // displays.push(parent);
+ // //use block to overwrites default hidden objects' display
+ // parent.style.display = 'block';
+ // }
+ // parent = parent.parentElement;
+ // }
+
+ // return displays;
+ //};
+
+ //var _displayHackEnd = $ax.public.fn.displayHackEnd = function (displayChangedList) {
+ // for (var i = 0; i < displayChangedList.length; i++) displayChangedList[i].style.display = 'none';
+ //};
+
+
+ var _isCompoundVectorHtml = $ax.public.fn.isCompoundVectorHtml = function(hElement) {
+ return hElement.hasAttribute('compoundmode') && hElement.getAttribute('compoundmode') == "true";
+ }
+
+ $ax.public.fn.removeCompound = function (jobj) { if(_isCompoundVectorHtml(jobj[0])) jobj.removeClass('compound'); }
+ $ax.public.fn.restoreCompound = function (jobj) { if (_isCompoundVectorHtml(jobj[0])) jobj.addClass('compound'); }
+
+ $ax.public.fn.compoundIdFromComponent = function(id) {
+
+ var pPos = id.indexOf('p');
+ var dashPos = id.indexOf('-');
+ if (pPos < 1) return id;
+ else if (dashPos < 0) return id.substring(0, pPos);
+ else return id.substring(0, pPos) + id.substring(dashPos);
+ }
+
+ $ax.public.fn.l2 = function (x, y) { return Math.sqrt(x * x + y * y); }
+
+ $ax.public.fn.convertToSingleImage = function (jobj) {
+ if(!jobj[0]) return;
+
+ var widgetId = jobj[0].id;
+ var object = $obj(widgetId);
+
+ if ($ax.public.fn.IsLayer(object.type)) {
+ var recursiveChildren = _getLayerChildrenDeep(widgetId, true);
+ for (var j = 0; j < recursiveChildren.length; j++)
+ $ax.public.fn.convertToSingleImage($jobj(recursiveChildren[j]));
+ return;
+ }
+
+ //var layer =
+
+ if(!_isCompoundVectorHtml(jobj[0])) return;
+
+
+ $('#' + widgetId).removeClass("compound");
+ $('#' + widgetId + '_img').removeClass("singleImg");
+ jobj[0].setAttribute('compoundmode', 'false');
+
+ var components = object.compoundChildren;
+ delete object.generateCompound;
+ for (var i = 0; i < components.length; i++) {
+ var componentJobj = $jobj($ax.public.fn.getComponentId(widgetId, components[i]));
+ componentJobj.css('display', 'none');
+ componentJobj.css('visibility', 'hidden');
+ }
+ }
+
+
+ $ax.public.fn.getContainerDimensions = function(query) {
+ // returns undefined if no containers found.
+ var containerDimensions;
+ for (var i = 0; i < query[0].children.length; i++) {
+ var node = query[0].children[i];
+ if (node.id.indexOf(query[0].id) >= 0 && node.id.indexOf('container') >= 0) {
+ containerDimensions = node.style;
+ }
+ }
+ return containerDimensions;
+ }
+
+
+ $ax.public.fn.rotationMatrix = function (angleInDegrees) {
+ var angleInRadians = angleInDegrees * (Math.PI / 180);
+ var cosTheta = Math.cos(angleInRadians);
+ var sinTheta = Math.sin(angleInRadians);
+
+ return { m11: cosTheta, m12: -sinTheta, m21: sinTheta, m22: cosTheta, tx: 0.0, ty: 0.0 };
+ }
+
+ $ax.public.fn.GetFieldFromStyle = function (query, field) {
+ var raw = query[0].style[field];
+ if (!raw) raw = query.css(field);
+ return Number(raw.replace('px', ''));
+ }
+
+
+ $ax.public.fn.setTransformHowever = function (transformString) {
+ return {
+ '-webkit-transform': transformString,
+ '-moz-transform': transformString,
+ '-ms-transform': transformString,
+ '-o-transform': transformString,
+ 'transform': transformString
+ };
+ }
+
+ $ax.public.fn.getCornersFromComponent = function (id) {
+ var element = document.getElementById(id);
+ var matrix = element ? $ax.public.fn.transformFromElement(element) : [1.0, 0.0, 0.0, 1.0, 0.0, 0.0];
+ var currentMatrix = { m11: matrix[0], m21: matrix[1], m12: matrix[2], m22: matrix[3], tx: matrix[4], ty: matrix[5] };
+ var dimensions = {};
+ var axObj = $ax('#' + id);
+ var viewportLocation = axObj.offsetLocation();
+ dimensions.left = viewportLocation.left;
+ dimensions.top = viewportLocation.top;
+ //dimensions.left = axObj.left(true);
+ //dimensions.top = axObj.top(true);
+ var size = axObj.size();
+ dimensions.width = size.width;
+ dimensions.height = size.height;
+ //var transformMatrix1 = { m11: 1, m12: 0, m21: 0, m22: 1, tx: -invariant.x, ty: -invariant.y };
+ //var transformMatrix2 = { m11: 1, m12: 0, m21: 0, m22: 1, tx: 500, ty: 500 };
+
+ var halfWidth = dimensions.width * 0.5;
+ var halfHeight = dimensions.height * 0.5;
+ //var preTransformTopLeft = { x: -halfWidth, y: -halfHeight };
+ //var preTransformBottomLeft = { x: -halfWidth, y: halfHeight };
+ var preTransformTopRight = { x: halfWidth, y: -halfHeight };
+ var preTransformBottomRight = { x: halfWidth, y: halfHeight };
+
+ return {
+ //relativeTopLeft: $ax.public.fn.matrixMultiply(currentMatrix, preTransformTopLeft),
+ //relativeBottomLeft: $ax.public.fn.matrixMultiply(currentMatrix, preTransformBottomLeft),
+ relativeTopRight: $ax.public.fn.matrixMultiply(currentMatrix, preTransformTopRight),
+ relativeBottomRight: $ax.public.fn.matrixMultiply(currentMatrix, preTransformBottomRight),
+ centerPoint: { x: dimensions.left + halfWidth, y: dimensions.top + halfHeight }
+ //originalDimensions: dimensions,
+ //transformShift: { x: matrix[4], y: matrix[5] }
+ }
+ }
+
+
+
+ $ax.public.fn.inversePathLengthFunction = function (pathFunction) {
+ // these are for computing the inverse functions of path integrals.
+
+ var makeDivisionNode = function(node1, node2) {
+ var param = 0.5 * (node1.Param + node2.Param);
+ var inBetweenNode = {
+ LowerStop: node1,
+ HigherStop: node2,
+ Param: param,
+ Position: pathFunction(param),
+ Cumulative: 0.0
+ };
+ var lowerDisplacement = $ax.public.fn.vectorMinus(node1.Position, inBetweenNode.Position);
+ inBetweenNode.LowerInterval = {
+ Length: $ax.public.fn.l2(lowerDisplacement.x, lowerDisplacement.y),
+ Node: inBetweenNode,
+ IsHigher: false
+ };
+ var higherDisplacement = $ax.public.fn.vectorMinus(node2.Position, inBetweenNode.Position);
+ inBetweenNode.HigherInterval = {
+ Length: $ax.public.fn.l2(higherDisplacement.x, higherDisplacement.y),
+ Node: inBetweenNode,
+ IsHigher: true
+ };
+ return inBetweenNode;
+ };
+
+ var expandLower = function(node) {
+ node.LowerChild = makeDivisionNode(node.LowerStop, node);
+ node.LowerChild.Parent = node;
+ };
+
+ var expandHigher = function(node) {
+ node.HigherChild = makeDivisionNode(node, node.HigherStop);
+ node.HigherChild.Parent = node;
+ };
+
+ // for this function, cumulative is a global variable
+ var cumulative = 0.0;
+ var labelCumulativeLength = function(node) {
+ if(!node.LowerChild) {
+ node.LowerStop.Cumulative = cumulative;
+ cumulative += node.LowerInterval.Length;
+ node.Cumulative = cumulative;
+ } else labelCumulativeLength(node.LowerChild);
+
+ if(!node.HigherChild) {
+ node.Cumulative = cumulative;
+ cumulative += node.HigherInterval.Length;
+ node.HigherStop.Cumulative = cumulative;
+ } else labelCumulativeLength(node.HigherChild);
+ };
+
+ var getIntervalFromPathLength = function(node, length) {
+ if(length < node.Cumulative) {
+ return node.LowerChild ? getIntervalFromPathLength(node.LowerChild, length) : node.LowerInterval;
+ } else return node.HigherChild ? getIntervalFromPathLength(node.HigherChild, length) : node.HigherInterval;
+ };
+
+ var intervalLowerEnd = function(interval) {
+ return interval.IsHigher ? interval.Node : interval.Node.LowerStop;
+ };
+
+ var intervalHigherEnd = function(interval) {
+ return interval.IsHigher ? interval.Node.HigherStop : interval.Node;
+ };
+
+ var getParameterFromPathLength = function (node, length) {
+ var interval = getIntervalFromPathLength(node, length);
+ var lowerNode = intervalLowerEnd(interval);
+ var higherNode = intervalHigherEnd(interval);
+ return lowerNode.Param + (higherNode.Param - lowerNode.Param) * (length - lowerNode.Cumulative) / (higherNode.Cumulative - lowerNode.Cumulative);
+ };
+
+ var insertIntoSortedList = function (longer, shorter, toInsert) {
+ while (true) {
+ if (!longer) {
+ longer = shorter;
+ shorter = shorter.NextLongest;
+ continue;
+ } else if (!shorter) longer.NextLongest = toInsert;
+ else {
+ if (longer.Length >= toInsert.Length && shorter.Length <= toInsert.Length) {
+ longer.NextLongest = toInsert;
+ toInsert.NextLongest = shorter;
+ } else {
+ longer = shorter;
+ shorter = shorter.NextLongest;
+ continue;
+ }
+ }
+ break;
+ }
+ }
+ var head = {Param: 0.0, Position: pathFunction(0.0) };
+ var tail = { Param: 1.0, Position: pathFunction(1.0) };
+ var root = makeDivisionNode(head, tail);
+ var currentCurveLength = root.LowerInterval.Length + root.HigherInterval.Length;
+ var longestInterval;
+ if (root.LowerInterval.Length < root.HigherInterval.Length) {
+ longestInterval = root.HigherInterval;
+ longestInterval.NextLongest = root.LowerInterval;
+ } else {
+ longestInterval = root.LowerInterval;
+ longestInterval.NextLongest = root.HigherInterval;
+ }
+ while (longestInterval.Length * 100.0 > currentCurveLength) {
+ var newNode;
+ if (longestInterval.IsHigher) {
+ expandHigher(longestInterval.Node);
+ newNode = longestInterval.Node.HigherChild;
+ } else {
+ expandLower(longestInterval.Node);
+ newNode = longestInterval.Node.LowerChild;
+ }
+ currentCurveLength += (newNode.LowerInterval.Length + newNode.HigherInterval.Length - longestInterval.Length);
+ insertIntoSortedList(null, longestInterval, newNode.LowerInterval);
+ insertIntoSortedList(null, longestInterval, newNode.HigherInterval);
+ longestInterval = longestInterval.NextLongest;
+ }
+ labelCumulativeLength(root);
+
+ return function(lengthParam) {
+ return getParameterFromPathLength(root, lengthParam * cumulative);
+ };
+ }
+});
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