46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
import { __extends } from "tslib";
|
|
import Path from '../Path.js';
|
|
var PI = Math.PI;
|
|
var sin = Math.sin;
|
|
var cos = Math.cos;
|
|
var IsogonShape = (function () {
|
|
function IsogonShape() {
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.r = 0;
|
|
this.n = 0;
|
|
}
|
|
return IsogonShape;
|
|
}());
|
|
export { IsogonShape };
|
|
var Isogon = (function (_super) {
|
|
__extends(Isogon, _super);
|
|
function Isogon(opts) {
|
|
return _super.call(this, opts) || this;
|
|
}
|
|
Isogon.prototype.getDefaultShape = function () {
|
|
return new IsogonShape();
|
|
};
|
|
Isogon.prototype.buildPath = function (ctx, shape) {
|
|
var n = shape.n;
|
|
if (!n || n < 2) {
|
|
return;
|
|
}
|
|
var x = shape.x;
|
|
var y = shape.y;
|
|
var r = shape.r;
|
|
var dStep = 2 * PI / n;
|
|
var deg = -PI / 2;
|
|
ctx.moveTo(x + r * cos(deg), y + r * sin(deg));
|
|
for (var i = 0, end = n - 1; i < end; i++) {
|
|
deg += dStep;
|
|
ctx.lineTo(x + r * cos(deg), y + r * sin(deg));
|
|
}
|
|
ctx.closePath();
|
|
return;
|
|
};
|
|
return Isogon;
|
|
}(Path));
|
|
Isogon.prototype.type = 'isogon';
|
|
export default Isogon;
|