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Update engine.ts

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syuilo
2026-05-11 11:01:17 +09:00
parent b231357ae8
commit 08dfd23c19
1 changed files with 15 additions and 51 deletions
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66
packages/frontend/src/world/room/engine.ts
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@@ -973,7 +973,14 @@ export class RoomEngine extends EventEmitter {
let newPos = this.camera.position.add(dir.scale(grabbing.distance)).add(grabbing.originalDiffOfPosition);
const newRotation = new BABYLON.Vector3(0, this.camera.rotation.y + grabbing.originalDiffOfRotation.y + grabbing.rotation, 0);
grabbing.ghost.position = newPos.clone();
grabbing.ghost.rotation = newRotation.clone();
const arrowMesh = grabbing.ghost.getChildMeshes()[0];
if (placement === 'side' || placement === 'wall') {
arrowMesh.isVisible = false;
} else if (placement === 'bottom' || placement === 'ceiling') {
arrowMesh.scaling = new BABYLON.Vector3(1, 1, 1);
} else if (placement === 'top' || placement === 'floor') {
arrowMesh.scaling = new BABYLON.Vector3(1, -1, 1);
}
let stickyOtherObject: string | null = null;
let sticky = false;
@@ -1398,56 +1405,13 @@ export class RoomEngine extends EventEmitter {
private createGhost(mesh: BABYLON.Mesh): BABYLON.TransformNode {
const root = new BABYLON.TransformNode('ghost_root', this.scene);
// cloneの第三引数を利用する形で子まで再帰的にcloneしてしまうと、当該メッシュを親に持つlightまでもcloneされてしまい、
// Clustered Lightingの関係上エンジンがクラッシュしたり不具合の原因になるため、独自に(通常のmeshとtransform nodeだけ)再帰cloneする実装としている
const ghost = mesh.clone('ghost', null, true)!;
ghost.metadata = { isGhost: true };
ghost.checkCollisions = false;
ghost.position = new BABYLON.Vector3(0, 0, 0);
ghost.rotation = new BABYLON.Vector3(0, 0, 0);
ghost.parent = root;
const cloneChildrenRecursively = (source: BABYLON.Node, target: BABYLON.Node) => {
for (const child of source.getChildren()) {
if (!(child instanceof BABYLON.Mesh) && !(child instanceof BABYLON.TransformNode)) continue;
const childClone = child.clone(child.name, target, true)!;
childClone.metadata = { isGhost: true };
if (childClone instanceof BABYLON.Mesh) childClone.checkCollisions = false;
cloneChildrenRecursively(child, childClone);
}
};
cloneChildrenRecursively(mesh, ghost);
const materials = new WeakMap<BABYLON.Material, BABYLON.Material>();
for (const m of ghost.getChildMeshes() as BABYLON.Mesh[]) {
if (m.material == null) continue;
if (materials.has(m.material)) {
m.material = materials.get(m.material)!;
continue;
}
if (m.subMeshes != null && m.subMeshes.length > 0 && m.material.subMaterials != null) {
const multiGhostMaterial = m.material.clone(`${m.material.name}_ghost`) as BABYLON.MultiMaterial;
for (let i = 0; i < multiGhostMaterial.subMaterials.length; i++) {
const subMaterial = multiGhostMaterial.subMaterials[i];
const ghostMaterial = subMaterial.clone(`${subMaterial.name}_ghost`);
ghostMaterial.alpha = 0.3;
ghostMaterial.transparencyMode = BABYLON.Material.MATERIAL_ALPHABLEND;
multiGhostMaterial.subMaterials[i] = ghostMaterial;
materials.set(m.material, multiGhostMaterial);
m.material = multiGhostMaterial;
}
} else {
const ghostMaterial = m.material.clone(`${m.material.name}_ghost`);
ghostMaterial.alpha = 0.3;
ghostMaterial.transparencyMode = BABYLON.Material.MATERIAL_ALPHABLEND;
materials.set(m.material, ghostMaterial);
m.material = ghostMaterial;
}
}
const arrowGhost = BABYLON.MeshBuilder.CreateCylinder('', { height: cm(10), diameterBottom: cm(5), diameterTop: 0, tessellation: 8 });
arrowGhost.parent = root;
const arrowGhostMat = new BABYLON.StandardMaterial('', this.scene);
arrowGhostMat.emissiveColor = new BABYLON.Color3(0, 1, 0);
arrowGhostMat.alpha = 0.5;
arrowGhostMat.disableLighting = true;
arrowGhost.material = arrowGhostMat;
return root;
}