added rabinovich fabrikant attractor

spite · Oct 24, 2019 · c716ab3 · c716ab3
1 parent 68889b9
commit c716ab3
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/modules/rabinovich-fabrikant-attractor.js b/modules/rabinovich-fabrikant-attractor.js
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+import Maf from './maf.js';
+
+class RabinovichFabrikantAttractor {
+
+  constructor() {
+    this.alpha = 1.1;
+    this.gamma = .87;
+    this.x = -1;
+    this.y = 0;
+    this.z = .5;
+    this.h = .002;
+  }
+
+  generatePoint(x, y, z) {
+    var nx = y * (z - 1 + x * x) + this.gamma * x;
+    var ny = x * (3 * z + 1 - x * x) + this.gamma * y;
+    var nz = -2 * z * (this.alpha + x * y);
+    x += this.h * nx;
+    y += this.h * ny;
+    z += this.h * nz;
+    return { x: x, y: y, z: z }
+  }
+
+  randomize() {
+    this.alpha = Maf.randomInRange(.1, 1);
+    this.gamma = Maf.randomInRange(.1, 1);
+    this.x = Maf.randomInRange(-1, 1);
+    this.y = Maf.randomInRange(-1, 1);
+    this.z = Maf.randomInRange(-1, 1);
+  }
+}
+
+export { RabinovichFabrikantAttractor }