raTree.h

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#pragma once

    class RAPI raTree : public raEntity<VERTEXPOSITIONNORMALTEXTURED, true, UINT32>
    {
    public:
        raTree(raSmartPointer<raDirectX> dx, LPCSTR barkTextureFile, LPCSTR leafTextureFile, int height,
            int nSlices = 8, float r0 = 1.0f, raMatrix *pTransform = NULL);

        raTree(raSmartPointer<raDirectX> dx, raMaterial* barkMaterial, LPCSTR leafTextureFile, int height, int nSlices = 8,
            float r0 = 1.0f, raMatrix *pTransform = NULL);

        virtual bool Create();
        virtual void Destroy();

        virtual void SetupVertices();
        virtual void SetupIndices();

        virtual void SetupEffectVariables(const raMatrix& pView, const raMatrix& pProj,
                                          const raLight* pLight);
        virtual bool Render(UINT drawOrder, const raMatrix &pView, const raMatrix &pProj,
                            const raLight* pLight, LPCSTR techniqueName = "");

    private:
        int AddBranchVerts(VERTEXPOSITIONNORMALTEXTURED* vertices, int n, raMatrix* pParentMatrix, int level);
        float r(int y)  {return m_r0 + y / (m_nHeightSegs - 1.0f) * (m_r1 - m_r0);}

    private:
        int         m_nLevels;
        int         m_nChildren;
        float       m_rRatio;
        float       m_lRatio;
        int         m_nHeightSegs;
        int         m_nSlices;
        float       m_l0;
        float       m_r0;
        float       m_r1;
        int         m_nMaxBranches;
        int         m_nBranches;
        raMatrix*   m_pTransform;

        raParticleSystem m_ParticleSystem;
    };