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Math: add Vector2 is_zero method

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Randy Mackay 2015-09-15 15:53:44 +09:00
parent 08e1a66772
commit a0906188b3
1 changed files with 3 additions and 0 deletions
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libraries/AP_Math/vector2.h
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@ -105,6 +105,9 @@ struct Vector2
// check if any elements are infinity // check if any elements are infinity
bool is_inf(void) const; bool is_inf(void) const;
// check if all elements are zero
bool is_zero(void) const { return (fabsf(x) < FLT_EPSILON) && (fabsf(y) < FLT_EPSILON); }
// zero the vector // zero the vector
void zero() void zero()
{ {