bool CMy2DObjectB11::IsInside(double x, double y) {
double new_x, new_y, tmp, new_x1, new_y1, new_x2, new_y2;
// перенос
x -= this->m_center.GetX();
y -= this->m_center.GetY();
// поворот
new_x1 = x * cos(this->m_dAngle) - y * sin(this->m_dAngle);
new_y1 = x * sin(this->m_dAngle) + y * cos(this->m_dAngle);
// поворот на 90
new_x2 = new_x1 * cos(M_PI / 2) - new_y1 * sin(M_PI / 2);
new_y2 = new_x1 * sin(M_PI / 2) + new_y1 * cos(M_PI / 2);
// смена осей координат
tmp = new_x2;
new_x = new_y2;
new_y = tmp;
// проверка на выход за границы фигуры по оси X
if (new_x > (this->A / 2) || new_x < -(this->A / 2)) {
return false;
}
// проверка на выход за границы фигуры по оси Y
if (new_y >(this->A / 2) || new_y < -(this->A / 2)) {
return false;
}
// проверка на выход за прямоугольник A1
if ((new_x > this->A / 2 - this->A1) &&
(-this->A1 / 2 < new_y) && (new_y < this->A1 / 2)) {
return false;
}
// проверка на выход за треугольник A2
bool isInA2Square =
(-this->A / 2 <= new_x && new_x <= -this->A / 2 + this->A2) &&
(this->A / 2 - this->A2 <= new_y && new_y <= this->A / 2);
if (isInA2Square) {
bool isInInnerA2Triangle = IsInTriangle(
CMy2DPoint(-this->A / 2 + this->A2, this->A / 2),
CMy2DPoint(-this->A / 2 + this->A2, this->A / 2 - this->A2),
CMy2DPoint(-this->A / 2, this->A / 2 - this->A2),
CMy2DPoint(new_x, new_y));
if (!isInInnerA2Triangle) {
return false;
}
}
// проверка на выход за треугольник A3
bool isInA3Square =
(-this->A / 2 <= new_x && new_x <= -this->A / 2 + this->A3) &&
(-this->A / 2 <= new_y && new_y <= -this->A / 2 + this->A3);
if (isInA3Square) {
bool isInnerA3Triangle = IsInTriangle(
CMy2DPoint(-this->A / 2, -this->A / 2 + this->A3),
CMy2DPoint(-this->A / 2 + this->A3, -this->A / 2 + this->A3),
CMy2DPoint(-this->A / 2 + this->A3, -this->A / 2),
CMy2DPoint(new_x, new_y));
if (!isInnerA3Triangle) {
return false;
}
}
// все проверки прошли успешно, точка внутри фигуры.
return true;
}
const CMy2DPoint CMy2DPoint::operator+(const CMy2DPoint & b){
return CMy2DPoint((*this).m_dx + b.m_dx, (*this).m_dy + b.m_dy);
}
void CMy2DObjectB11::Move(double dX, double dY, double dAngle) {
this->Move(CMy2DPoint(dX, dY), dAngle);
};
const CMy2DPoint operator/(const CMy2DPoint & a, const CMy2DPoint & b){
return CMy2DPoint(a.m_dx / b.m_dx, a.m_dy / b.m_dy);
}
const CMy2DPoint operator/(const CMy2DPoint & a, const double & b){
return CMy2DPoint(a.m_dx / b, a.m_dy / b);
}
const CMy2DPoint operator*(const CMy2DPoint & a, const double & b){
return CMy2DPoint(a.m_dx * b, a.m_dy * b);
}
const CMy2DPoint operator*(const double & a, const CMy2DPoint & b){
return CMy2DPoint(a * b.m_dx, a * b.m_dy);
}
const CMy2DPoint CMy2DPoint::operator-(const CMy2DPoint & b){
return CMy2DPoint((*this).m_dx - b.m_dx, (*this).m_dy - b.m_dy);
}
