Files
Ken Pruiksma 453808eb90 Clipmap bounds class (#7134)
* ClipmapBounds class - This class is built to keep track of textures for clipmap like structures where there is a virtual center point and the edges need to be updated as the camera moves around the world

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Removing dead code

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Updates from PR feedback.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* comment update

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Updates from review suggestions

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* More updates. Moved the snapped center point calculation out to a separate function so the constructor doesn't need to do unnecessary work.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Removing unused variable.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Fixing bug in unit test that was doing a comparison and throwing away the result instead of actually testing it.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Adding some comments and constifying some functions.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>

* Fixing numeric casting issue on linux

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>
2022-01-26 14:30:13 -06:00

39 lines
1.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <TerrainRenderer/Vector2i.h>
#include <AzCore/std/limits.h>
namespace Terrain
{
class Aabb2i
{
public:
Aabb2i() = default;
Aabb2i(const Vector2i& min, const Vector2i& max);
Aabb2i operator+(const Vector2i& offset) const;
Aabb2i& operator+=(const Vector2i& offset);
Aabb2i operator-(const Vector2i& offset) const;
Aabb2i& operator-=(const Vector2i& offset);
bool operator==(const Aabb2i& other) const;
bool operator!=(const Aabb2i& other) const;
Aabb2i GetClamped(Aabb2i rhs) const;
bool IsValid() const;
Vector2i m_min{AZStd::numeric_limits<int32_t>::min(), AZStd::numeric_limits<int32_t>::min()};
Vector2i m_max{AZStd::numeric_limits<int32_t>::max(), AZStd::numeric_limits<int32_t>::max()};
};
}