plotboilerplate
Version:
A simple javascript plotting boilerplate for 2d stuff.
113 lines • 4.7 kB
JavaScript
"use strict";
/**
* @author Ikaros Kappler
* @modified 2021-01-22
* @version 1.0.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.CircleSectorHelper = void 0;
/**
* @classdesc A helper for handling circles with an additional radius-control-point.
*/
var CircleSectorHelper = /** @class */ (function () {
/**
* The constructor.
*
* @constructor
* @name CircleSectorHelper
* @param {CircleSector} circleSector - The circle sector to handle.
* @param {Vertex} controlPointStart - A point to define the radius and start angle (distance and angle from center).
* @param {Vertex} controlPointEnd - A point to define the radius and end angle (distance and angle from center).
* @param {PlotBoilerplate} pb - The PlotBoilerplate which contains the circle sector and both points.
**/
function CircleSectorHelper(circleSector, controlPointStart, controlPointEnd, pb) {
this.circleSector = circleSector;
this.controlPointStart = controlPointStart;
this.controlPointEnd = controlPointEnd;
this.circleSector.circle.center.listeners.addDragListener((this.centerListener = this._handleDragCenter()));
this.controlPointStart.listeners.addDragListener((this.radiusStartListener = this._handleDragStartControlPoint()));
this.controlPointEnd.listeners.addDragListener((this.radiusEndListener = this._handleDragEndControlPoint()));
}
/**
* Creates a new drag handler for the circle sector's center point.
*
* @private
* @method handleDragCenter
* @instance
* @memberof CircleSectorHelper
* @returns A new event handler.
*/
CircleSectorHelper.prototype._handleDragCenter = function () {
var _self = this;
return function (e) {
_self.controlPointStart.add(e.params.dragAmount);
_self.controlPointEnd.add(e.params.dragAmount);
};
};
/**
* Creates a new drag handler for the circle sector's start control point.
*
* @private
* @method _handleDragStartControlPoint
* @instance
* @memberof CircleSectorHelper
* @returns A new event handler.
*/
CircleSectorHelper.prototype._handleDragStartControlPoint = function () {
var _self = this;
return function (e) {
_self.circleSector.circle.radius = _self.circleSector.circle.center.distance(_self.controlPointStart);
_self.controlPointEnd.set(_self.circleSector.circle.vertAt(_self.circleSector.endAngle));
_self.circleSector.startAngle = _self.circleSector.circle.center.angle(_self.controlPointStart);
};
};
/**
* Creates a new drag handler for the circle sector's end control point.
*
* @private
* @method _handleDragEndControlPoint
* @instance
* @memberof CircleSectorHelper
* @returns A new event handler.
*/
CircleSectorHelper.prototype._handleDragEndControlPoint = function () {
var _self = this;
return function (e) {
_self.circleSector.circle.radius = _self.circleSector.circle.center.distance(_self.controlPointEnd);
_self.controlPointStart.set(_self.circleSector.circle.vertAt(_self.circleSector.startAngle));
_self.circleSector.endAngle = _self.circleSector.circle.center.angle(_self.controlPointEnd);
};
};
/**
* Draw grey handle lines.
*
* @param {DrawLib<any>} draw - The draw library instance to use.
* @param {DrawLib<any>} fill - The fill library instance to use.
*/
CircleSectorHelper.prototype.drawHandleLines = function (draw, fill) {
draw.line(this.circleSector.circle.center, this.controlPointStart, "rgba(64,192,128,0.333)", 1.0, {
dashOffset: 0.0,
dashArray: [4, 2]
});
draw.line(this.circleSector.circle.center, this.controlPointEnd, "rgba(64,192,128,0.333)", 1.0, {
dashOffset: 0.0,
dashArray: [4, 2]
});
};
/**
* Destroy this circle helper.
* The listeners will be removed from the circle sector's points.
*
* @method destroy
* @instance
* @memberof CircleSectorHelper
*/
CircleSectorHelper.prototype.destroy = function () {
this.circleSector.circle.center.listeners.removeDragListener(this.centerListener);
this.controlPointStart.listeners.removeDragListener(this.radiusStartListener);
this.controlPointEnd.listeners.removeDragListener(this.radiusEndListener);
};
return CircleSectorHelper;
}());
exports.CircleSectorHelper = CircleSectorHelper;
//# sourceMappingURL=CircleSectorHelper.js.map