SCR_SpeedByHeightManualCameraComponent.c

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//#define CURVE_APPLIED
 
 
[BaseContainerProps(), SCR_BaseManualCameraComponentTitle()]
class SCR_SpeedByHeightManualCameraComponent : SCR_BaseManualCameraComponent
{
    [Attribute("0.06")]
    float m_fSpeedCoef;
    
    [Attribute(defvalue: "0.15")]
    float m_fMinSpeed;
    
    [Attribute(defvalue: "400")]
    float m_fMaxHeight;
    
    [Attribute("0 0 1 1", UIWidgets.GraphDialog, params: "1 1 0 0")]
    private ref Curve m_fHeightCoef;
 
    //------------------------------------------------------------------------------------------------
    override void EOnCameraFrame(SCR_ManualCameraParam param)
    {
        vector pos = CoordFromCamera(param.transform[3]);
        float surfaceY = param.world.GetSurfaceY(pos[0], pos[2]);
        if (pos[1] > 0)
            surfaceY = Math.Max(surfaceY, 0); //--- When above ground, use ASL, not ATL height
 
#ifdef CURVE_APPLIED
        float height = Math3D.Curve(ECurveType.CurveProperty2D, (pos[1] - surfaceY) / m_fMaxHeight, m_fHeightCoef)[1];
        param.multiplier *= Math.Max(height * m_fMaxHeight * m_fSpeedCoef, m_fMinSpeed);            
#else
        float height = pos[1] - surfaceY;
        param.multiplier *= Math.Max(height * m_fSpeedCoef, m_fMinSpeed);
#endif
    }
 
    //------------------------------------------------------------------------------------------------
    override bool EOnCameraInit()
    {
        return true;
    }
}