public isIdentity()

in packages/common/src/math/matrix.ts [74:87]

• 13 lines of code
• 17 McCabe index (conditional complexity)

	public isIdentity(): boolean {
		if (this._isIdentityDirty) {
			this._isIdentityDirty = false;
			const m = this._m;
			this._isIdentity = (
				m[0] === 1.0 && m[1] === 0.0 && m[2] === 0.0 && m[3] === 0.0 &&
				m[4] === 0.0 && m[5] === 1.0 && m[6] === 0.0 && m[7] === 0.0 &&
				m[8] === 0.0 && m[9] === 0.0 && m[10] === 1.0 && m[11] === 0.0 &&
				m[12] === 0.0 && m[13] === 0.0 && m[14] === 0.0 && m[15] === 1.0
			);
		}

		return this._isIdentity;
	}