Rect.cpp

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/*
   Copyright 2022 Rishi Challa
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
 
       http://www.apache.org/licenses/LICENSE-2.0
 
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
 
#include "Rect.hpp"
 
#include <Kale/Math/RotatedRect/RotatedRect.hpp>
#include <Kale/Math/Ray/Ray.hpp>
#include <Kale/Math/Line/Line.hpp>
#include <Kale/Math/Circle/Circle.hpp>
 
#include <stdexcept>
 
using namespace Kale;
 
Rect::Rect() : topLeft(0, 0), bottomRight(0, 0) {
    // Empty Body
}
 
Rect::Rect(const Vector2f &topLeft, const Vector2f &bottomRight) : topLeft(topLeft), bottomRight(bottomRight) {
    // Empty Body
}
 
Vector2f Rect::center() const {
    return (topLeft + bottomRight) / 2;
}
 
Vector2f Rect::topRight() const {
    return {bottomRight.x, topLeft.y};
}
 
Vector2f Rect::bottomLeft() const {
    return {topLeft.x, bottomRight.y};
}
 
Rect Rect::getBoundingBox() const {
    return *this;
}
 
bool Rect::pointCollision(Vector2f point) const {
    return point >= topLeft && point <= bottomRight;
}
 
bool Rect::rectCollision(RotatedRect rect) const {
    return rect.rectCollision(RotatedRect{topLeft, bottomRight});
}
 
bool Rect::rectCollision(Rect rect) const {
    return topLeft <= rect.bottomRight && bottomRight >= rect.topLeft;
}
 
bool Rect::circleCollision(Circle circle) const {
    Vector2f closest = circle.center - circle.center.clamp(topLeft, bottomRight);
    return closest.dot(closest) <= pow(circle.radius, 2.0f);
}
 
bool Rect::rayCollision(Ray ray) const {
    return ray.rectCollision(*this);
}
 
bool Rect::lineCollision(Line line) const {
    return line.rectCollision(*this);
}