Initial project import

node_modules/maath/dist/three-87cc244e.cjs.dev.js

@@ -0,0 +1,63 @@
+'use strict';
+
+var THREE = require('three');
+
+/**
+ * Helpers for converting buffers to and from Three.js objects
+ */
+
+/**
+ * Convents passed buffer of passed stride to an array of vectors with the correct length.
+ *
+ * @param buffer
+ * @param stride
+ * @returns
+ */
+function bufferToVectors(buffer) {
+  var stride = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 3;
+  var p = [];
+
+  for (var i = 0, j = 0; i < buffer.length; i += stride, j++) {
+    if (stride === 3) {
+      p[j] = new THREE.Vector3(buffer[i], buffer[i + 1], buffer[i + 2]);
+    } else {
+      p[j] = new THREE.Vector2(buffer[i], buffer[i + 1]);
+    }
+  }
+
+  return p;
+}
+/**
+ * Transforms a passed Vector2 or Vector3 array to a points buffer
+ *
+ * @param vectorArray
+ * @returns
+ */
+
+function vectorsToBuffer(vectorArray) {
+  var l = vectorArray.length;
+  var stride = vectorArray[0].hasOwnProperty("z") ? 3 : 2;
+  var buffer = new Float32Array(l * stride);
+
+  for (var i = 0; i < l; i++) {
+    var j = i * stride;
+    buffer[j] = vectorArray[i].x;
+    buffer[j + 1] = vectorArray[i].y;
+
+    if (stride === 3) {
+      buffer[j + 2] = vectorArray[i].z;
+    }
+  }
+
+  return buffer;
+}
+
+var three = /*#__PURE__*/Object.freeze({
+  __proto__: null,
+  bufferToVectors: bufferToVectors,
+  vectorsToBuffer: vectorsToBuffer
+});
+
+exports.bufferToVectors = bufferToVectors;
+exports.three = three;
+exports.vectorsToBuffer = vectorsToBuffer;