#ifndef functions_H
#define functions_H

#include "prototypes.h"
#include "my_fastled.h"
#include "config.h"

uint16_t XYsafe(int x, int y);

void blur(fract8 blur_amount);

void blur_row(uint8_t row_index, fract8 blur_amount);

void blur_column(uint8_t column_index, fract8 blur_amount);

inline double sines(double x, double y) {
    return ((cos(x) * sin(y)) * 0.5) + 0.5;
}

inline double basefield(double x, double y) {
    return (cos(x) * sin(y) * cos(sqrt((x*x) + (y*y))));
}

inline double addmod(double x, double mod, double delta) {
    x = x + delta;
    while( x >= mod ) x -= mod;
    while( x <  0.0 ) x += mod;
    return x;
}

inline double addmodpi(double x, double delta) {
    return addmod(x, 2*PI, delta);
}



struct Matrix multiply(struct Matrix m1, struct Matrix m2);

struct Vector multiply(struct Matrix m, struct Vector v);

struct Vector add(struct Vector v1, struct Vector v2);



#endif