Initial commit: RHINE LAB · ANALYSIS OS：三维界面与动效实验（本仓库不含个人归档索引数据）

2026-09-19 13:04:56 +08:00
commit 3f422218a5
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+import assert from 'node:assert/strict';
+import * as THREE from 'three';
+import { ArchiveVisibility } from '../src/archive-visibility.ts';
+const visibility=new ArchiveVisibility();
+const summaries=[];
+for(const [width,height] of [[1920,1080],[2560,1080],[3840,1080],[1400,1050],[1080,1920]])for(const detail of [false,true]) {
+  const camera=new THREE.PerspectiveCamera(3.0,width/height,5,300);
+  const direction=new THREE.Vector3(...(detail?[-.277,.238,.931]:[-.81,.326,.487])).normalize();
+  const distance=detail?72:140;
+  const span=detail?5.9:width<height?12:7.33;
+  camera.fov=THREE.MathUtils.radToDeg(2*Math.atan(span/(2*distance)));
+  camera.position.copy(direction.multiplyScalar(distance));camera.lookAt(0,0,0);camera.updateProjectionMatrix();camera.updateMatrixWorld();
+  const candidates=visibility.update(camera,distance+25,0,0,false);
+  const selected=candidates.filter(c=>visibility.intersects((c.lane-2)*5.2,-4.6,(c.row-15.5)*.62));
+  const keys=new Set(selected.map(c=>`${c.lane}:${c.row}`));assert.equal(keys.size,selected.length);
+  // Independently scan a much larger reference lattice. Every intersecting card
+  // must have been generated by the projected footprint, at both extreme lifts.
+  const candidateKeys=new Set(candidates.map(c=>`${c.lane}:${c.row}`));
+  const viewProjection=new THREE.Matrix4().multiplyMatrices(camera.projectionMatrix,camera.matrixWorldInverse);
+  for(const y of [-6,1.6])for(let lane=-30;lane<=30;lane++)for(let row=-180;row<=180;row++) {
+    for(const dx of [-2.5,0,2.5])for(const dy of [0,1.85,3.7])for(const dz of [-.3,.3]) {
+      const point=new THREE.Vector3((lane-2)*5.2+dx,y+dy,(row-15.5)*.62+dz);
+      const depth=-point.clone().applyMatrix4(camera.matrixWorldInverse).z;
+      point.applyMatrix4(viewProjection);
+      if(Math.abs(point.x)<=1.18&&Math.abs(point.y)<=1.18&&depth>=5&&depth<=distance+33)assert.ok(candidateKeys.has(`${lane}:${row}`),`Missing ${width}x${height} ${lane}:${row} y=${y}`);
+    }
+  }
+  const extra=visibility.update(camera,distance+25,0,0,true).filter(c=>visibility.intersects((c.lane-2)*5.2,-4.6,(c.row-15.5)*.62));
+  assert.ok(extra.length>=selected.length);
+  const shifted=visibility.update(camera,distance+25,52,-6.2,false).filter(c=>visibility.intersects((c.lane-2)*5.2-52,-4.6,(c.row-15.5)*.62-6.2));
+  assert.equal(shifted.length,selected.length,'Whole-cell track movement preserves view coverage');
+  summaries.push({width,height,detail,drawn:selected.length,candidates:candidates.length,extra:extra.length});
+}
+assert.ok(summaries[4].drawn>summaries[0].drawn,'Wider view increases archive count');
+console.table(summaries);console.log('Projected coverage, extreme heights, unique picking cells, overscan and track translation passed.');