Customshader upgrading cesium

ka_sc · March 3, 2023, 12:32am

trying to convert to custom shaders:

I am using a custom shader straight from the docs to test assigning to gltf and its failing

CesiumGS/cesium/blob/main/Documentation/CustomShaderGuide/README.md

# `CustomShader` Documentation

## Constructor

```js
const customShader = new Cesium.CustomShader({
  // Any custom uniforms the user wants to add to the shader.
  // these can be changed at runtime via customShader.setUniform()
  uniforms: {
    u_time: {
      value: 0, // initial value
      type: Cesium.UniformType.FLOAT
    },
    // Textures can be loaded from a URL, a Resource, or a TypedArray.
    // See the Uniforms section for more detail
    u_externalTexture: {
      value: new Cesium.TextureUniform({
        url: "http://example.com/image.png"
      }),
      type: Cesium.UniformType.SAMPLER_2D

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‘positionMC’ : undeclared identifier

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Customshader upgrading cesium

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