Initial project import

node_modules/@react-three/drei/core/PointMaterial.js

@@ -0,0 +1,36 @@
+import _extends from '@babel/runtime/helpers/esm/extends';
+import * as THREE from 'three';
+import * as React from 'react';
+import { version } from '../helpers/constants.js';
+
+const opaque_fragment = version >= 154 ? 'opaque_fragment' : 'output_fragment';
+class PointMaterialImpl extends THREE.PointsMaterial {
+  constructor(props) {
+    super(props);
+    this.onBeforeCompile = (shader, renderer) => {
+      const {
+        isWebGL2
+      } = renderer.capabilities;
+      shader.fragmentShader = shader.fragmentShader.replace(`#include <${opaque_fragment}>`, `
+        ${!isWebGL2 ? `#extension GL_OES_standard_derivatives : enable\n#include <${opaque_fragment}>` : `#include <${opaque_fragment}>`}
+      vec2 cxy = 2.0 * gl_PointCoord - 1.0;
+      float r = dot(cxy, cxy);
+      float delta = fwidth(r);     
+      float mask = 1.0 - smoothstep(1.0 - delta, 1.0 + delta, r);
+      gl_FragColor = vec4(gl_FragColor.rgb, mask * gl_FragColor.a );
+      #include <tonemapping_fragment>
+      #include <${version >= 154 ? 'colorspace_fragment' : 'encodings_fragment'}>
+      `);
+    };
+  }
+}
+const PointMaterial = /* @__PURE__ */React.forwardRef((props, ref) => {
+  const [material] = React.useState(() => new PointMaterialImpl(null));
+  return /*#__PURE__*/React.createElement("primitive", _extends({}, props, {
+    object: material,
+    ref: ref,
+    attach: "material"
+  }));
+});
+
+export { PointMaterial, PointMaterialImpl };