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| 1 | Index: OSGMath.h | |
| 2 | =================================================================== | |
| 3 | --- OSGMath.h (revision 91664) | |
| 4 | +++ OSGMath.h (working copy) | |
| 5 | - | @@ -70,6 +70,38 @@ |
| 5 | + | @@ -70,6 +70,22 @@ |
| 6 | return a.x() * b.y() - b.x() * a.y(); | |
| 7 | } | |
| 8 | ||
| 9 | +/** | |
| 10 | + * wrapAngle - Приводит значение угла к соответствующему значению из полуинтервала [-Pi, Pi) | |
| 11 | + */ | |
| 12 | - | +inline double wrapAngle(const double& angle) |
| 12 | + | +inline double wrapAngle(double angle) |
| 13 | +{
| |
| 14 | - | + double wrappedAngle = angle; |
| 14 | + | + return angle - 2 * M_PI * floor((angle + M_PI) / (2 * M_PI)); |
| 15 | - | + if (wrappedAngle < -M_PI) |
| 15 | + | |
| 16 | - | + while (wrappedAngle < -M_PI) |
| 16 | + | |
| 17 | - | + wrappedAngle += 2*M_PI; |
| 17 | + | |
| 18 | - | + else if (wrappedAngle >= M_PI) |
| 18 | + | |
| 19 | - | + while (wrappedAngle >= M_PI) |
| 19 | + | |
| 20 | - | + wrappedAngle -= 2*M_PI; |
| 20 | + | +inline double wrapAngle0_2Pi(double angle) |
| 21 | +{
| |
| 22 | - | + return wrappedAngle; |
| 22 | + | + return angle - 2 * M_PI * floor(angle / (2 * M_PI)); |
| 23 | +} | |
| 24 | + | |
| 25 | +} | |
| 26 | + | |
| 27 | #endif | |
| 28 | - | +inline double wrapAngle0_2Pi(const double& angle) |
| 28 | + |
