Initial project import

node_modules/three-stdlib/lines/Wireframe.cjs

@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+const THREE = require("three");
+const LineSegmentsGeometry = require("./LineSegmentsGeometry.cjs");
+const LineMaterial = require("./LineMaterial.cjs");
+const _start = /* @__PURE__ */ new THREE.Vector3();
+const _end = /* @__PURE__ */ new THREE.Vector3();
+const _viewport = /* @__PURE__ */ new THREE.Vector4();
+class Wireframe extends THREE.Mesh {
+  constructor(geometry = new LineSegmentsGeometry.LineSegmentsGeometry(), material = new LineMaterial.LineMaterial({ color: Math.random() * 16777215 })) {
+    super(geometry, material);
+    this.isWireframe = true;
+    this.type = "Wireframe";
+  }
+  // for backwards-compatibility, but could be a method of LineSegmentsGeometry...
+  computeLineDistances() {
+    const geometry = this.geometry;
+    const instanceStart = geometry.attributes.instanceStart;
+    const instanceEnd = geometry.attributes.instanceEnd;
+    const lineDistances = new Float32Array(2 * instanceStart.count);
+    for (let i = 0, j = 0, l = instanceStart.count; i < l; i++, j += 2) {
+      _start.fromBufferAttribute(instanceStart, i);
+      _end.fromBufferAttribute(instanceEnd, i);
+      lineDistances[j] = j === 0 ? 0 : lineDistances[j - 1];
+      lineDistances[j + 1] = lineDistances[j] + _start.distanceTo(_end);
+    }
+    const instanceDistanceBuffer = new THREE.InstancedInterleavedBuffer(lineDistances, 2, 1);
+    geometry.setAttribute("instanceDistanceStart", new THREE.InterleavedBufferAttribute(instanceDistanceBuffer, 1, 0));
+    geometry.setAttribute("instanceDistanceEnd", new THREE.InterleavedBufferAttribute(instanceDistanceBuffer, 1, 1));
+    return this;
+  }
+  onBeforeRender(renderer) {
+    const uniforms = this.material.uniforms;
+    if (uniforms && uniforms.resolution) {
+      renderer.getViewport(_viewport);
+      this.material.uniforms.resolution.value.set(_viewport.z, _viewport.w);
+    }
+  }
+}
+exports.Wireframe = Wireframe;
+//# sourceMappingURL=Wireframe.cjs.map