feat: extend agent-driven map workbench

2026-07-20 19:57:35 +08:00
parent 86e9b08235
commit 7fbd8a5618
63 changed files with 4506 additions and 457 deletions
@@ -0,0 +1,34 @@
+import { LayerExtension, type Layer } from "@deck.gl/core";
+
+const flowPathUniforms = {
+  name: "flowPath",
+  fs: `layout(std140) uniform flowPathUniforms { float phase; } flowPath;`,
+  uniformTypes: { phase: "f32" }
+} as const;
+
+export class FlowPathExtension extends LayerExtension {
+  static extensionName = "FlowPathExtension";
+  static defaultProps = { flowPhase: { type: "number", value: 0 } };
+
+  getShaders() {
+    return {
+      modules: [flowPathUniforms],
+      inject: {
+        "fs:DECKGL_FILTER_COLOR": `
+          float flowStripe = fract((geometry.uv.y * 0.16) - flowPath.phase);
+          float flowPulse = smoothstep(0.0, 0.18, flowStripe) * (1.0 - smoothstep(0.55, 0.82, flowStripe));
+          color.a *= 0.22 + flowPulse * 0.78;
+        `
+      }
+    };
+  }
+
+  draw(this: Layer) {
+    const state = this.state as unknown as {
+      model?: { shaderInputs?: { setProps: (props: { flowPath: { phase: number } }) => void } };
+    };
+    state.model?.shaderInputs?.setProps({
+      flowPath: { phase: Number((this.props as Record<string, unknown>).flowPhase ?? 0) }
+    });
+  }
+}