DynMatrix.h

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