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frontend/node_modules/zrender/lib/graphic/shape/Trochoid.js

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+import { __extends } from "tslib";
+import Path from '../Path.js';
+var cos = Math.cos;
+var sin = Math.sin;
+var TrochoidShape = (function () {
+    function TrochoidShape() {
+        this.cx = 0;
+        this.cy = 0;
+        this.r = 0;
+        this.r0 = 0;
+        this.d = 0;
+        this.location = 'out';
+    }
+    return TrochoidShape;
+}());
+export { TrochoidShape };
+var Trochoid = (function (_super) {
+    __extends(Trochoid, _super);
+    function Trochoid(opts) {
+        return _super.call(this, opts) || this;
+    }
+    Trochoid.prototype.getDefaultStyle = function () {
+        return {
+            stroke: '#000',
+            fill: null
+        };
+    };
+    Trochoid.prototype.getDefaultShape = function () {
+        return new TrochoidShape();
+    };
+    Trochoid.prototype.buildPath = function (ctx, shape) {
+        var R = shape.r;
+        var r = shape.r0;
+        var d = shape.d;
+        var offsetX = shape.cx;
+        var offsetY = shape.cy;
+        var delta = shape.location === 'out' ? 1 : -1;
+        var x1;
+        var y1;
+        var x2;
+        var y2;
+        if (shape.location && R <= r) {
+            return;
+        }
+        var num = 0;
+        var i = 1;
+        var theta;
+        x1 = (R + delta * r) * cos(0)
+            - delta * d * cos(0) + offsetX;
+        y1 = (R + delta * r) * sin(0)
+            - d * sin(0) + offsetY;
+        ctx.moveTo(x1, y1);
+        do {
+            num++;
+        } while ((r * num) % (R + delta * r) !== 0);
+        do {
+            theta = Math.PI / 180 * i;
+            x2 = (R + delta * r) * cos(theta)
+                - delta * d * cos((R / r + delta) * theta)
+                + offsetX;
+            y2 = (R + delta * r) * sin(theta)
+                - d * sin((R / r + delta) * theta)
+                + offsetY;
+            ctx.lineTo(x2, y2);
+            i++;
+        } while (i <= (r * num) / (R + delta * r) * 360);
+    };
+    return Trochoid;
+}(Path));
+Trochoid.prototype.type = 'trochoid';
+export default Trochoid;