manipulatedFrame.cpp File Reference

Functions
float	projectOnBall (const float x, const float y)

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Function Documentation

float projectOnBall (  const float  x, const float  y )  [static]

Returns "pseudo-distance" from (x,y) to ball of radius size. for a point inside the ball, it is proportionnal to the euclidean distance to the ball for a point outside the ball, it is proportionnal to the inverse of this distance (tends to zero) on the ball, the function is continuous.

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