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jcponce · Aug 1, 2024 · 5f0ebae · 5f0ebae
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diff --git a/threejs/attractors/lorenz-variation/index.html b/threejs/attractors/lorenz-variation/index.html
@@ -69,7 +69,6 @@
         }
     </script>
     <script src="../common/math.js"></script>
-    <script src="../attractors/lorenz-variation.js"></script>
     <script type="module" src="main.js"></script>
 
 

diff --git a/threejs/attractors/lorenz-variation/main.js b/threejs/attractors/lorenz-variation/main.js
@@ -108,6 +108,28 @@ renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
 //const axesHelper = new THREE.AxesHelper(5);
 //scene.add(axesHelper);
 
+/**
+ * Lorenz Attractor variation
+ */
+const initialParams = {
+    Attractor: "Lorenz variation",
+    sigma: 10,
+    rho: 28,
+    beta: 8 / 3,
+};
+
+const params = { ...initialParams };
+
+let attractor = (x, y, z) => {
+    const { sigma, rho, beta } = params;
+
+    const dx = (sigma * (y - x) + (sin(y / 5) * sin(z / 5) * 200)) * .65;
+    const dy = (x * (rho - z) - y + (sin(x / 5) * sin(z / 5) * 200)) * .65;
+    const dz = (x * y - beta * z + cos(y / 5) * cos(x / 5) * 200) * .65;
+
+    return { dx, dy, dz };
+};
+
 /**
  * Reset functions
  */