flow like the river

VISUALIZACION/node_modules/ngraph.forcelayout/lib/spring.js

@@ -0,0 +1,12 @@
+module.exports = Spring;
+
+/**
+ * Represents a physical spring. Spring connects two bodies, has rest length
+ * stiffness coefficient and optional weight
+ */
+function Spring(fromBody, toBody, length, springCoefficient) {
+    this.from = fromBody;
+    this.to = toBody;
+    this.length = length;
+    this.coefficient = springCoefficient;
+}