mirror of
https://github.com/libSDL2pp/libSDL2pp.git
synced 2025-08-03 10:55:57 -04:00
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/*
|
|
libSDL2pp - C++11 bindings/wrapper for SDL2
|
|
Copyright (C) 2013-2015 Dmitry Marakasov <amdmi3@amdmi3.ru>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#include <SDL2pp/Point.hh>
|
|
|
|
#include <SDL2pp/Rect.hh>
|
|
|
|
namespace SDL2pp {
|
|
|
|
Point Point::GetClamped(const Rect& rect) const {
|
|
Point p = *this;
|
|
p.Clamp(rect);
|
|
return p;
|
|
}
|
|
|
|
Point& Point::Clamp(const Rect& rect) {
|
|
if (x < rect.x)
|
|
x = rect.x;
|
|
if (x > rect.GetX2())
|
|
x = rect.GetX2();
|
|
if (y < rect.y)
|
|
y = rect.y;
|
|
if (y > rect.GetY2())
|
|
y = rect.GetY2();
|
|
return *this;
|
|
}
|
|
|
|
Point Point::GetWrapped(const Rect& rect) const {
|
|
Point p = *this;
|
|
p.Wrap(rect);
|
|
return p;
|
|
}
|
|
|
|
Point& Point::Wrap(const Rect& rect) {
|
|
if (x < rect.x)
|
|
x = rect.x + rect.w - 1 - (rect.x - x + rect.w - 1) % rect.w;
|
|
else if (x >= rect.x + rect.w)
|
|
x = rect.x + (x - rect.x - rect.w) % rect.w;
|
|
|
|
if (y < rect.y)
|
|
y = rect.y + rect.h - 1 - (rect.y - y + rect.h - 1) % rect.h;
|
|
else if (y >= rect.y + rect.h)
|
|
y = rect.y + (y - rect.y - rect.h) % rect.h;
|
|
|
|
return *this;
|
|
}
|
|
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& stream, const SDL2pp::Point& point) {
|
|
stream << "[x:" << point.x << ",y:" << point.y << "]";
|
|
return stream;
|
|
}
|
|
|
|
bool operator<(const SDL2pp::Point& a, const SDL2pp::Point& b) {
|
|
if (a.x == b.x)
|
|
return a.y < b.y;
|
|
return a.x < b.x;
|
|
}
|