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godot/thirdparty/jolt_physics/Jolt/Math/DynMatrix.h
Mikael Hermansson d470c2ac6a Add Jolt Physics as an alternative 3D physics engine
Co-authored-by: Jorrit Rouwe <jrouwe@gmail.com>
2024-12-11 13:57:25 +01:00

32 lines
936 B
C++

// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2022 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#pragma once
JPH_NAMESPACE_BEGIN
/// Dynamic resizable matrix class
class [[nodiscard]] DynMatrix
{
public:
/// Constructor
DynMatrix(const DynMatrix &) = default;
DynMatrix(uint inRows, uint inCols) : mRows(inRows), mCols(inCols) { mElements.resize(inRows * inCols); }
/// Access an element
float operator () (uint inRow, uint inCol) const { JPH_ASSERT(inRow < mRows && inCol < mCols); return mElements[inRow * mCols + inCol]; }
float & operator () (uint inRow, uint inCol) { JPH_ASSERT(inRow < mRows && inCol < mCols); return mElements[inRow * mCols + inCol]; }
/// Get dimensions
uint GetCols() const { return mCols; }
uint GetRows() const { return mRows; }
private:
uint mRows;
uint mCols;
Array<float> mElements;
};
JPH_NAMESPACE_END