Fetching WebGPU shaders. Created my first bona fide pipeline. The vertex shader compares the built-in vertex index and the numRows/numColumns uniforms to produce a grid of quads with no vertex or index buffer whatsoever!

shaders/rainPass.frag.wgsl

@@ -0,0 +1,3 @@
+[[stage(fragment)]] fn main([[location(0)]] UV : vec2<f32>) -> [[location(0)]] vec4<f32> {
+	return vec4<f32>(0.0, UV, 1.0);
+}