| 28,10 → 28,7 |
|---|
| |
| if (!x && !y) return 0; //atan2 = 0 für x und y = 0 |
| |
| if (y < 0) |
| { |
| m=-1; |
| } |
| if (y < 0) m=-1; |
| else m=1; |
| |
| if (x==0) return (90*m); // atan2 = 90° für x = 0 |
| 99,10 → 96,10 |
|---|
| else m = +1; |
| |
| // Quadranten auswerten |
| if ((winkel > 90 ) && (winkel <= 180)) {winkel = 180 - winkel; n = 1;} |
| if (winkel <= 90) n=1; |
| else if ((winkel > 90 ) && (winkel <= 180)) {winkel = 180 - winkel; n = 1;} |
| else if ((winkel > 180 ) && (winkel <= 270)) {winkel = winkel - 180; n = -1;} |
| else if ((winkel > 270) && (winkel <= 360)) {winkel = 360 - winkel; n = -1;} |
| else n = 1; //0 - 90 Grad |
| else {winkel = 360 - winkel; n = -1;} //if ((winkel > 270) && (winkel <= 360)) |
| |
| sinus = pgm_read_float(&pgm_sinus_f[winkel]); |
| |
| 122,7 → 119,7 |
|---|
| if (i < 0) {m=-1;i=abs(i);} |
| else m=1; |
| |
| if (i > 200) i = 200; |
| i = i % 200; |
| |
| return (pgm_read_byte(&pgm_asin[i]) * m); |
| } |