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Box2D 2.4.1
A 2D physics engine for games
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Rotation. More...
#include <b2_math.h>
Public Member Functions | |
| b2Rot (float angle) | |
| Initialize from an angle in radians. | |
| void | Set (float angle) |
| Set using an angle in radians. | |
| void | SetIdentity () |
| Set to the identity rotation. | |
| float | GetAngle () const |
| Get the angle in radians. | |
| b2Vec2 | GetXAxis () const |
| Get the x-axis. | |
| b2Vec2 | GetYAxis () const |
| Get the u-axis. | |
Public Attributes | |
| float | s |
| Sine and cosine. | |
| float | c |
Rotation.
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inlineexplicit |
Initialize from an angle in radians.
TODO_ERIN optimize
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inline |
Set using an angle in radians.
TODO_ERIN optimize