feat(examples): add WebGL custom uniform example - #1925
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This was referenced Apr 16, 2026
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Summary
Add
examples/series-webgl-bar-uniform/— demonstrates usingfc.webglUniform()to pass global parameters to custom fragment shaders.Bars are rendered with horizontal stripes where the stripe width is controlled by a uniform. Teaches the uniform binding pattern in isolation.
Motivated by #1894 — user's solution used
fc.webglUniform()for hatch spacing with no existing example to reference.Key APIs demonstrated:
fc.webglUniform().data(value)program.buffers().uniform('uStripeWidth', uniform)program.fragmentShader().appendHeader('uniform highp float uStripeWidth;')Test plan
npm run lint— clean