Prism.h

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#ifndef PRISM_H_
#define PRISM_H_

#include "BrushConstructor.h"
#include "../../xyview/xywindow.h" // GlobalXYWnd_getCurrentViewType

namespace brushconstruct
{
    class Prism: public BrushConstructor
    {
        private:
            const int getViewAxis () const
            {
                switch (GlobalXYWnd_getCurrentViewType()) {
                case XY:
                    return 2;
                case XZ:
                    return 1;
                case YZ:
                    return 0;
                }
                return 2;
            }

            const float getMaxExtent2D (const Vector3& extents, int axis) const
            {
                switch (axis) {
                case 0:
                    return std::max(extents[1], extents[2]);
                case 1:
                    return std::max(extents[0], extents[2]);
                default:
                    return std::max(extents[0], extents[1]);
                }
            }

        private:

            static const std::size_t _minSides = 3;
            static const std::size_t _maxSides = c_brush_maxFaces - 2;

        public:
            void generate (Brush& brush, const AABB& bounds, std::size_t sides, const TextureProjection& projection,
                    const std::string& shader);

            const std::string getName() const;

            static BrushConstructor& getInstance ()
            {
                static Prism _prism;
                return _prism;
            }
    };
}
#endif /* PRISM_H_ */