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/*
* z64555's N-gon radar
*
* You may not sell or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
#ifndef _RADAR_NGON_H
#define _RADAR_NGON_H
#include "radar/radarsetup.h"
#include "radar/radar.h"
const int RADAR_NGON_MIN_SIDES = 3; //!< Required, things break if n < 3
/**
* @brief Flavor of the standard radar gauge which has an polygonal plot surface (vs. the standard oval)
*/
class HudGaugeRadarNgon : public HudGaugeRadarStd
{
float arclen; // The arc length of each n-gon sector (radians)
float offset {0.0f}; // The angle offset of the plot area (+ is counter-clockwise) (radians),
float r_min; // The apothem of the ngon (0.0f < r_min <= 1.0f)
protected:
/**
* @brief Forms the N-gon edge/line that the blip will be clamped/projected to
* @param[out] p Reference point for the line
* @param[out] v Directional vector (not normalized) for the line
* @param[in] angle The azimuth of the blip on the plot surface;
*/
void formLine(vec3d* p, vec3d* v, float angle);
/**
* @brief Clamps and scales the blip to be within the plot area
* @param[in] vec The blip coordinates (only x and y are nonzero)
*/
void clampBlip(vec3d* blip) override;
public:
/**
* @brief Default constructor the Ngon radar.
*
* @note This shouldn't be actually used, but it breaks compiling if the default constructor isn't present
*/
HudGaugeRadarNgon();
/**
* @brief Constructor for the Ngon radar
*
* @param[in] num_sides Number of sides the n-gon should have
* @param[in] offset Offset angle, in degrees
*/
HudGaugeRadarNgon(int num_sides, float offset);
};
#endif
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