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Refactor chunk LOD handling to use a single mesh and geometry array

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This commit is contained in:
Victor Giers
2026-04-29 23:14:54 +02:00
parent 0b5de5b6bc
commit d2b920dbf5
1 changed files with 12 additions and 15 deletions
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27
src/runtime-three/runtime-host.ts
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@@ -4064,18 +4064,17 @@ export class RuntimeHost {
group.visible = terrain.visible; group.visible = terrain.visible;
for (const chunk of lodMeshData.chunks) { for (const chunk of lodMeshData.chunks) {
const levels = chunk.levels.map((level) => { const levelGeometries = chunk.levels.map((level) => level.geometry);
const mesh = new Mesh(level.geometry, material); const mesh = new Mesh(levelGeometries[0]!, material);
mesh.castShadow = false; mesh.castShadow = false;
mesh.receiveShadow = true; mesh.receiveShadow = true;
mesh.visible = level.level === 0; mesh.userData.terrainLodLevel = 0;
applyRendererRenderCategory(mesh, "ao-world"); applyRendererRenderCategory(mesh, "ao-world");
group.add(mesh); group.add(mesh);
return mesh;
});
chunks.push({ chunks.push({
levels, mesh,
levelGeometries,
activeLevelIndex: 0, activeLevelIndex: 0,
worldCenter: new Vector3( worldCenter: new Vector3(
terrain.position.x + chunk.localCenter.x, terrain.position.x + chunk.localCenter.x,
@@ -4108,7 +4107,7 @@ export class RuntimeHost {
for (const renderObjects of this.terrainMeshes.values()) { for (const renderObjects of this.terrainMeshes.values()) {
for (const chunk of renderObjects.chunks) { for (const chunk of renderObjects.chunks) {
const nextLevelIndex = resolveTerrainLodLevelIndex({ const nextLevelIndex = resolveTerrainLodLevelIndex({
levelCount: chunk.levels.length, levelCount: chunk.levelGeometries.length,
chunkDiagonal: chunk.diagonal, chunkDiagonal: chunk.diagonal,
cameraPosition, cameraPosition,
chunkWorldCenter: { chunkWorldCenter: {
@@ -4124,10 +4123,8 @@ export class RuntimeHost {
} }
chunk.activeLevelIndex = nextLevelIndex; chunk.activeLevelIndex = nextLevelIndex;
chunk.mesh.geometry = chunk.levelGeometries[nextLevelIndex]!;
for (let levelIndex = 0; levelIndex < chunk.levels.length; levelIndex += 1) { chunk.mesh.userData.terrainLodLevel = nextLevelIndex;
chunk.levels[levelIndex]!.visible = levelIndex === nextLevelIndex;
}
} }
} }
} }