rotation-transformer.ts•5.29 kB
/**
* 回転変換統合処理
* 複数回転とプリセット方向指定を統合処理
*/
import { Position } from "../block-optimizer";
import { rotatePointsArray } from "../math/rotation-algorithms";
import { calculateCentroid } from "../math/vector-utils";
export interface RotationParams {
axis: "x" | "y" | "z";
angle: number; // 度数
origin: Position; // 回転中心
}
export interface DirectionalParams {
direction?: "+x" | "+y" | "+z" | "-x" | "-y" | "-z" | "custom";
rotations?: RotationParams[]; // 複数回転（オイラー角対応）
}
/**
* 複数回転を座標群に順次適用（オイラー角対応）
* @param positions 座標配列
* @param rotations 回転パラメータ配列
* @returns 回転後の座標配列
*/
export function applyMultipleRotations(
positions: Position[],
rotations: RotationParams[]
): Position[] {
let result = [...positions];
for (const rotation of rotations) {
result = rotatePointsArray(
result,
rotation.origin,
rotation.axis,
rotation.angle
);
}
return result;
}
/**
* 方向指定から回転パラメータを生成
* @param direction 方向指定
* @param origin 回転中心
* @returns 回転パラメータ配列
*/
export function getRotationsFromDirection(
direction: string,
origin: Position
): RotationParams[] {
const directions: Record<string, RotationParams[]> = {
"+x": [{ axis: "z", angle: -90, origin }], // Y軸構造をX軸方向に
"-x": [{ axis: "z", angle: 90, origin }],
"+y": [], // デフォルト（回転なし）
"-y": [{ axis: "z", angle: 180, origin }],
"+z": [{ axis: "x", angle: 90, origin }], // Y軸構造をZ軸方向に
"-z": [{ axis: "x", angle: -90, origin }],
};
return directions[direction] || [];
}
/**
* 方向指定または複数回転を座標群に適用
* @param positions 座標配列
* @param params 方向パラメータ
* @returns 変換結果
*/
export function applyDirectionalTransform(
positions: Position[],
params: DirectionalParams
): {
positions: Position[];
transformInfo: string;
} {
if (positions.length === 0) {
return { positions, transformInfo: "" };
}
// 回転中心を計算（重心）
const origin = calculateCentroid(positions);
let rotations: RotationParams[] = [];
let transformInfo = "";
if (params.direction && params.direction !== "+y") {
// プリセット方向指定
if (params.direction === "custom" && params.rotations) {
rotations = params.rotations;
transformInfo = `custom rotations (${rotations.length} steps)`;
} else {
rotations = getRotationsFromDirection(params.direction, origin);
transformInfo = `oriented to ${params.direction}`;
}
} else if (params.rotations) {
// 直接回転指定
rotations = params.rotations;
transformInfo = `custom rotations (${rotations.length} steps)`;
}
if (rotations.length === 0) {
return { positions, transformInfo: "" };
}
const transformedPositions = applyMultipleRotations(positions, rotations);
return {
positions: transformedPositions,
transformInfo: transformInfo ? ` (${transformInfo})` : "",
};
}
/**
* プリセット回転パターン
*/
export const PRESET_ORIENTATIONS = {
// 基本軸方向
POSITIVE_X: [{ axis: "z" as const, angle: -90 }],
NEGATIVE_X: [{ axis: "z" as const, angle: 90 }],
POSITIVE_Y: [], // デフォルト
NEGATIVE_Y: [{ axis: "z" as const, angle: 180 }],
POSITIVE_Z: [{ axis: "x" as const, angle: 90 }],
NEGATIVE_Z: [{ axis: "x" as const, angle: -90 }],
// 斜め方向（45度傾斜）
DIAGONAL_XY_45: [{ axis: "z" as const, angle: 45 }],
DIAGONAL_XZ_45: [{ axis: "y" as const, angle: 45 }],
DIAGONAL_YZ_45: [{ axis: "x" as const, angle: 45 }],
// 複雑な姿勢（3軸回転）
TILTED_TOWER: [
{ axis: "x" as const, angle: 15 }, // 前後に傾ける
{ axis: "y" as const, angle: 30 }, // 左右に向ける
{ axis: "z" as const, angle: 10 }, // ひねる
],
DIAGONAL_SPIRAL: [
{ axis: "x" as const, angle: 30 },
{ axis: "y" as const, angle: 45 },
{ axis: "z" as const, angle: 15 },
],
EXTREME_ANGLE: [
{ axis: "x" as const, angle: 60 },
{ axis: "y" as const, angle: 45 },
{ axis: "z" as const, angle: 30 },
],
} as const;
/**
* プリセットを使用した座標変換
* @param positions 座標配列
* @param presetName プリセット名
* @param origin 回転中心（省略時は重心）
* @returns 変換結果
*/
export function applyPresetOrientation(
positions: Position[],
presetName: keyof typeof PRESET_ORIENTATIONS,
origin?: Position
): { positions: Position[]; transformInfo: string } {
if (positions.length === 0) {
return { positions, transformInfo: "" };
}
const rotationOrigin = origin || calculateCentroid(positions);
const rotationTemplates = PRESET_ORIENTATIONS[presetName];
const rotations: RotationParams[] = rotationTemplates.map((template) => ({
...template,
origin: rotationOrigin,
}));
const transformedPositions = applyMultipleRotations(positions, rotations);
return {
positions: transformedPositions,
transformInfo: ` (preset: ${presetName}, ${rotations.length} rotations)`,
};
}