BoundingBox2D.cpp

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#include "BoundingBox2D.h"
 
BoundingBox2D::BoundingBox2D() {
    // Initialize min and max to default values
    min = Vector2D(0.0f, 0.0f);
    max = Vector2D(0.0f, 0.0f);
    mid = Vector2D(0.0f, 0.0f);
}
 
BoundingBox2D::BoundingBox2D(const Vector2D& min, const Vector2D& max) {
    this->min = min;
    this->max = max;
 
    mid.X = (min.X + max.X) * 0.5f;
    mid.Y = (min.Y + max.Y) * 0.5f;
}
 
void BoundingBox2D::UpdateBounds(const Vector2D& current) {
    min = min.Minimum(current);
    max = max.Maximum(current);
    
    mid.X = (min.X + max.X) * 0.5f;
    mid.Y = (min.Y + max.Y) * 0.5f;
}
 
Vector2D BoundingBox2D::GetMinimum() {
    return min;
}
 
Vector2D BoundingBox2D::GetMaximum() {
    return max;
}
 
Vector2D BoundingBox2D::GetCenter() {
    return mid;
}
 
bool BoundingBox2D::Overlaps(BoundingBox2D* bb) {
    bool xOverlap = bb->GetMinimum().X < max.X && bb->GetMaximum().X > min.X;
    bool yOverlap = bb->GetMinimum().Y < max.Y && bb->GetMaximum().Y > min.Y;
 
    return xOverlap && yOverlap;
}
 
bool BoundingBox2D::Overlaps(const Vector2D& minI, const Vector2D& maxI){
    bool xOverlap = minI.X < max.X && maxI.X > min.X;
    bool yOverlap = minI.Y < max.Y && maxI.Y > min.Y;
 
    return xOverlap && yOverlap;
}
 
bool BoundingBox2D::Contains(const Vector2D& v) {
    return min.X <= v.X && v.X <= max.X && min.Y <= v.Y && v.Y <= max.Y;
}