void Player::Follow(Vector2D<float> &a)
{
if ((Pos.GetX() != a.GetX()) || (Pos.GetY() != a.GetY()))
{
Velocity.SetX(((a.GetX() - Pos.GetX()) * Time::fDeltaTime)* speed);
Velocity.SetY(((a.GetY() - Pos.GetY()) * Time::fDeltaTime)* speed);
}
}
Enemy::Enemy(Vector2D pos, Vector2D targetPos)
{
DEBUG_MSG("Constructing Enemy");
m_currentState = Walking;
m_attackingRange = 50;
//Set positions and dimensions of sprites
m_position = Vector2D(pos.GetX() - 23.5f, pos.GetY() - 25.0f);
m_targetPosition = targetPos;
m_destination.x = m_position.GetX();
m_destination.y = m_position.GetY();
m_destination.w = 47;
m_destination.h = 50;
//Set source rectangle to first frame of animation
m_Source.x = 0;
m_Source.y = 0;
m_Source.w = m_destination.w;
m_Source.h = m_destination.h;
m_speed = 50.0f;
//Get angle between enemy and target
float deltaX = m_targetPosition.GetX() - GetPosition().GetX();
float deltaY = m_targetPosition.GetY() - GetPosition().GetY();
m_angle = atan2(deltaY, deltaX) * 180.0 / PI; //gets angle in degrees
}
bool Rectangle::Intersects(const Vector2D& position) const {
auto p = this->_transform.GetPosition();
auto e = this->_half_extents;
double rX = p.GetX();
double rHalfWidth = e.GetX();
double rLeft = rX - rHalfWidth;
double rRight = rX + rHalfWidth;
double rY = p.GetY();
double rHalfHeight = e.GetY();
double rTop = rY - rHalfHeight;
double rBottom = rY + rHalfHeight;
double pX = position.GetX();
double pY = position.GetY();
if(rLeft > pX) return false;
if(rRight < pX) return false;
if(rTop > pY) return false;
if(rBottom < pY) return false;
return true;
}
void a2de::Sprite::SetScale(const Vector2D& scale) {
double x = scale.GetX();
double y = scale.GetY();
if(x < 0.0) x = 0.0;
if(y < 0.0) y = 0.0;
_scaleDimensions = Vector2D(x, y);
CalcCenterFrame();
}
//========================================================================
void LinearTransform2D::Transform( Vector2D& result, const Vector2D& vector ) const
{
Vector2D xComponent, yComponent;
xComponent.Scale( xAxis, vector.GetX() );
yComponent.Scale( yAxis, vector.GetY() );
result.Add( xComponent, yComponent );
}
void a2de::Sprite::SetCenter(const Vector2D& center) {
int x = center.GetX();
int y = center.GetY();
if(x < 0) x = 0;
if(x > _frameDimensions.GetX() * _scaleDimensions.GetX()) x = _frameDimensions.GetX() * _scaleDimensions.GetX();
if(y < 0) y = 0;
if(y > _frameDimensions.GetY() * _scaleDimensions.GetY()) y = _frameDimensions.GetY() * _scaleDimensions.GetY();
_center = Vector2D(x, y);
}
Bullet::Bullet(Vector2D pos, double angle)
{
DEBUG_MSG("Constructing Bullet");
m_turretAngle = angle;
//Set positions and dimensions of sprites
m_position = Vector2D((pos.GetX()) - 5, (pos.GetY()) - 2);
m_destination.x = m_position.GetX();
m_destination.y = m_position.GetY();
m_destination.w = 10;
m_destination.h = 6;
m_speed = 200.0f;
}
void Triangle::SetPosition(const Vector2D& position) {
double deltaX = position.GetX() - GetX();
double deltaY = position.GetY() - GetY();
double aX = GetPointA().GetX() + deltaX;
double bX = GetPointB().GetX() + deltaX;
double cX = GetPointC().GetX() + deltaX;
double aY = GetPointA().GetY() + deltaY;
double bY = GetPointB().GetY() + deltaY;
double cY = GetPointC().GetY() + deltaY;
SetPoints(aX, aY, bX, bY, cX, cY);
_position = Vector2D((aX + bX + cX) / 3.0, (aY + bY + cY) / 3.0);
}
a2de::Matrix3x3 Matrix3x3::GetScaleMatrix(const Vector2D& scale) {
return GetScaleMatrix(scale.GetX(), scale.GetY());
}
a2de::Matrix3x3 Matrix3x3::GetTranslationMatrix(const Vector2D& pos) {
return GetTranslationMatrix(pos.GetX(), pos.GetY());
}
float Vector2D::DotProduct(Vector2D &Vector){
float fResult;
return fResult = (fx *Vector.GetX()) + (fy*Vector.GetY());
}
void Sector::SetHalfExtents(const Vector2D& dimensions) {
_half_extents = Vector2D((dimensions.GetX() < 0.0 ? 0.0 : dimensions.GetX()), (dimensions.GetY() < 0.0 ? 0.0 : dimensions.GetY()));
_arc.SetHalfExtents(_half_extents);
}
void Line::SetPosition(const Vector2D& position) {
this->SetPointOne(GetPointOne().GetX() - position.GetX(), GetPointOne().GetY() - -position.GetY());
this->SetPointTwo(GetPointTwo().GetX() - position.GetX(), GetPointTwo().GetY() - -position.GetY());
CalculateLengthSquared();
CalculateSlope();
Shape::SetPosition(a2de::Vector2D(_extent_one.GetX() + _extent_two.GetX() / 2.0, _extent_one.GetY() + _extent_two.GetY() / 2.0));
}
float
Vector2D::dot(Vector2D v, Vector2D u)
{
return (v.GetX()*u.GetX()) + (v.GetY()*u.GetY());
}
