Method transformByMatrix3

docs/app/js/sanddance-app.js:70283–70286

(matrix3)

        return this.check();
    }
    transformByMatrix3(matrix3) {
        _vec3.transformMat3(this, this, matrix3);
        return this.check();
    }
    transformByMatrix2(matrix2) {
        (0, _glMatrixExtras.vec3_transformMat2)(this, this, matrix2);
        return this.check();