@babylonjs/viewer/dist/chunks/point-light-v1H9arFS.esm.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import { b5 as allocateMat4, b6 as createLightBase, b7 as applyWorldMatrixAccessors, b8 as ObservableVec3 } from './index-By0tcgYN.esm.js';

function createPointLight(position, intensity = 1) {
  const m = allocateMat4();
  m[0] = 1;
  m[5] = 1;
  m[10] = 1;
  m[15] = 1;
  const _localMatrix = m;
  const { wm, onDirty, lvs } = createLightBase(() => {
    m[12] = light.position.x;
    m[13] = light.position.y;
    m[14] = light.position.z;
    return _localMatrix;
  });
  const light = applyWorldMatrixAccessors(
    {
      lightType: "point",
      children: [],
      position: new ObservableVec3(position[0], position[1], position[2], onDirty),
      diffuse: [1, 1, 1],
      specular: [1, 1, 1],
      intensity,
      range: Number.MAX_VALUE,
      _writeLightUbo: (data, offset) => {
        const o = offset;
        const w = light.worldMatrix;
        data[o] = w[12];
        data[o + 1] = w[13];
        data[o + 2] = w[14];
        data[o + 3] = 0;
        data[o + 4] = light.diffuse[0] * light.intensity;
        data[o + 5] = light.diffuse[1] * light.intensity;
        data[o + 6] = light.diffuse[2] * light.intensity;
        data[o + 7] = light.range;
        data[o + 8] = light.specular[0] * light.intensity;
        data[o + 9] = light.specular[1] * light.intensity;
        data[o + 10] = light.specular[2] * light.intensity;
      }
    },
    wm,
    lvs
  );
  return light;
}

export { createPointLight };
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