Initial project import

node_modules/three-stdlib/helpers/RectAreaLightHelper.js

@@ -0,0 +1,45 @@
+import { Line, BufferGeometry, Float32BufferAttribute, LineBasicMaterial, Mesh, MeshBasicMaterial, BackSide } from "three";
+class RectAreaLightHelper extends Line {
+  constructor(light, color) {
+    const positions = [1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0, 1, 1, 0];
+    const geometry = new BufferGeometry();
+    geometry.setAttribute("position", new Float32BufferAttribute(positions, 3));
+    geometry.computeBoundingSphere();
+    const material = new LineBasicMaterial({ fog: false });
+    super(geometry, material);
+    this.light = light;
+    this.color = color;
+    this.type = "RectAreaLightHelper";
+    const positions2 = [1, 1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0];
+    const geometry2 = new BufferGeometry();
+    geometry2.setAttribute("position", new Float32BufferAttribute(positions2, 3));
+    geometry2.computeBoundingSphere();
+    this.add(new Mesh(geometry2, new MeshBasicMaterial({ side: BackSide, fog: false })));
+  }
+  updateMatrixWorld() {
+    this.scale.set(0.5 * this.light.width, 0.5 * this.light.height, 1);
+    if (this.color !== void 0) {
+      this.material.color.set(this.color);
+      this.children[0].material.color.set(this.color);
+    } else {
+      this.material.color.copy(this.light.color).multiplyScalar(this.light.intensity);
+      const c = this.material.color;
+      const max = Math.max(c.r, c.g, c.b);
+      if (max > 1)
+        c.multiplyScalar(1 / max);
+      this.children[0].material.color.copy(this.material.color);
+    }
+    this.matrixWorld.extractRotation(this.light.matrixWorld).scale(this.scale).copyPosition(this.light.matrixWorld);
+    this.children[0].matrixWorld.copy(this.matrixWorld);
+  }
+  dispose() {
+    this.geometry.dispose();
+    this.material.dispose();
+    this.children[0].geometry.dispose();
+    this.children[0].material.dispose();
+  }
+}
+export {
+  RectAreaLightHelper
+};
+//# sourceMappingURL=RectAreaLightHelper.js.map