46 lines
918 B
C
46 lines
918 B
C
#ifndef functions_H
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#define functions_H
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#include "prototypes.h"
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#include "my_fastled.h"
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#include "config.h"
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uint16_t XYsafe(int x, int y);
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void blur(fract8 blur_amount);
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void blur_row(uint8_t row_index, fract8 blur_amount);
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void blur_column(uint8_t column_index, fract8 blur_amount);
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inline double sines(double x, double y) {
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return ((cos(x) * sin(y)) * 0.5) + 0.5;
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}
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inline double basefield(double x, double y) {
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return (cos(x) * sin(y) * cos(sqrt((x*x) + (y*y))));
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}
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inline double addmod(double x, double mod, double delta) {
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x = x + delta;
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while( x >= mod ) x -= mod;
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while( x < 0.0 ) x += mod;
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return x;
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}
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inline double addmodpi(double x, double delta) {
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return addmod(x, 2*PI, delta);
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}
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struct Matrix multiply(struct Matrix m1, struct Matrix m2);
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struct Vector multiply(struct Matrix m, struct Vector v);
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struct Vector add(struct Vector v1, struct Vector v2);
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#endif
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