Code:

const vec31 = new Ammo.btVector3(0, 0, 0);const vec32 = new Ammo.btVector3(0, 0, 0);const vec33 = new Ammo.btVector3(0, 0, 0);const vertices = geometry.vertices;geometry.faces.forEach(face => {   triangles.push([      { x: vertices[face.a].x, y: vertices[face.a].y, z: vertices[face.a].z },      { x: vertices[face.b].x, y: vertices[face.b].y, z: vertices[face.b].z },      { x: vertices[face.c].x, y: vertices[face.c].y, z: vertices[face.c].z }   ]);});const shape = new Ammo.btConvexHullShape();triangles.forEach(triangle => {   vec31.setX(triangle[0].x);   vec31.setY(triangle[0].y);   vec31.setZ(triangle[0].z);   shape.addPoint(vec31, true);   vec32.setX(triangle[1].x);   vec32.setY(triangle[1].y);   vec32.setZ(triangle[1].z);   shape.addPoint(vec31, true);   vec33.setX(triangle[2].x);   vec33.setY(triangle[2].y);   vec33.setZ(triangle[2].z);   shape.addPoint(vec31, true);});