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Mission NodeSDK 6.3C++gfx engine

Cubios::Math

Cubios::Math Global Defines LN 2 Summary Coupling coefficient of binary and natural logarithm Synopsis define LN 2 0.693147180559945f PI Summary PI value Syn...

API / SDK 6.3 / C++ / gfx engine

Cubios::Math

Global Defines

LN_2

Summary

Coupling coefficient of binary and natural logarithm

Synopsis

Cubios::Math
CPP
1#define LN_2 0.693147180559945f
2
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PI

Summary

PI value

Synopsis

Cubios::Math
CPP
1#define PI (3.141592653589f)
2
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PI_2

Summary

PI / 2 value Synopsis

Cubios::Math
CPP
1#define PI_2 (6.28318530718f)
2
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TINY

Summary

"Small" value used for thresholds

Synopsis

Cubios::Math
CPP
1#define TINY (0.0000001)
2
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n_max

Summary

Returns the largest value

Synopsis

Cubios::Math
CPP
1#define n_max(a,b)      (((a) > (b)) ? (a) : (b))
2
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n_min

Summary

Returns the smallest value

Synopsis

Cubios::Math
CPP
1#define n_min(a,b)      (((a) < (b)) ? (a) : (b))
2
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n_abs

Summary

Returns the absolute value

Synopsis

Cubios::Math
CPP
1#define n_abs(a)        (((a)<0.0f) ? (-(a)) : (a))
2
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n_sgn

Summary

Returns the sign of a value

Synopsis

Cubios::Math
CPP
1#define n_sgn(a)        (((a)<0.0f) ? (-1) : (1))
2
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n_deg2rad

Summary

Converts degrees to radians

Synopsis

Cubios::Math
CPP
1#define n_deg2rad(d)    (((d)*PI)/180.0f)
2
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n_rad2deg

Summary

Converts radians to degrees

Synopsis

Cubios::Math
CPP
1#define n_rad2deg(r)    (((r)*180.0f)/PI)
2
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n_sin

Summary

Caluclates sine value as float

Synopsis

Cubios::Math
CPP
1#define n_sin(x) (float(sin(x)))
2
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n_cos

Summary

Caluclates cosine value as float

Synopsis

Cubios::Math
CPP
1#define n_cos(x) (float(cos(x)))
2
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n_tan

Summary

Caluclates tangent value as float

Synopsis

Cubios::Math
CPP
1#define n_tan(x) (float(tan(x)))
2
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n_atan

Summary

Caluclates arctangent value as float

Synopsis

Cubios::Math
CPP
1#define n_atan(x) (float(atan(x)))
2
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Static functions

log2

Summary

Calculates base 2 logarithm

Arguments

  • f - input value

Synopsis

Cubios::Math
CPP
1static inline float log2(float f)
2
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iclamp

Summary

Performs integer clamping

Arguments

  • val - input value
  • minVal - minimum clamp value
  • maxVal - maximum clamp value

Synopsis

Cubios::Math
CPP
1static inline int iclamp(int val, int minVal, int maxVal)
2
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acos

Summary

Calculates arccosine with value clamping

Arguments

  • x - input value

Synopsis

Cubios::Math
CPP
1static inline float acos(float x)
2
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asin

Summary

Calculates arcsine with value clamping

Arguments

  • x - input value

Synopsis

Cubios::Math
CPP
1static inline float asin(float x)
2
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sqrt

Summary

Calculates safe square root

Arguments

  • x - input value

Synopsis

Cubios::Math
CPP
1static inline float sqrt(float x)
2
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fequal

Summary

Does fuzzy floating point equality check

Arguments

  • f0 - first value to check
  • f1 - second value to check
  • tol - comparison tolerance

Synopsis

Cubios::Math
CPP
1static inline bool fequal(float f0, float f1, float tol)
2
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fless

Summary

Does fuzzy floating point less-than check

Arguments

  • f0 - first value to check
  • f1 - second value to check
  • tol - comparison tolerance

Synopsis

Cubios::Math
CPP
1static inline bool fequal(float f0, float f1, float tol)
2
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fgreater

Summary

Does fuzzy floating point greter-than check

Arguments

  • f0 - first value to check
  • f1 - second value to check
  • tol - comparison tolerance

Synopsis

Cubios::Math
CPP
1static inline bool fgreater(float f0, float f1, float tol)
2
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ftol

Summary

Fast float to long int conversion with truncation

Arguments

  • val - input value

Synopsis

Cubios::Math
CPP
1static inline long ftol(float val)
2
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smooth

Summary

Smoothes a new value towards an old value using a change value

Arguments

  • newVal - new value
  • curVal - current value
  • maxChange - maximum change step

Synopsis

Cubios::Math
CPP
1static inline float smooth(float newVal, float curVal, float maxChange)
2
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clamp

Summary

Clamp a value against lower and upper boundary

Arguments

  • val - input value
  • lower - lower boundary
  • upper - upper boundary

Synopsis

Cubios::Math
CPP
1static inline float clamp(float val, float lower, float upper)
2
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lerp

Summary

Caluclate linear interpolation between two values as result = x + l * (y-x)

Arguments

  • x - input x value
  • y - input y value
  • l - interpolation factor

Synopsis

Cubios::Math
CPP
1static inline float lerp(float x, float y, float l)
2
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saturate

Summary

Saturates a value by clamping it between 0.0f and 1.0f

Arguments

  • val - input value

Synopsis

Cubios::Math
CPP
1static inline float saturate(float val)
2
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rand

Summary

Generates a pseudo-random integer number

Synopsis

Cubios::Math
CPP
1static inline unsigned long rand()
2
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rand2

Summary

Generates a pseudo-random number between 0.0f and 1.0f

Synopsis

Cubios::Math
CPP
1static inline float rand2()
2
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randGetSeed

Summary

Returns current randomizer seed

Synopsis

Cubios::Math
CPP
1static inline unsigned long randGetSeed()
2
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randSetSeed

Summary

Sets randomizer seed

Arguments

  • s - new randomizer seed value

Synopsis

Cubios::Math
CPP
1static inline void randSetSeed(unsigned long s)
2
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randInt

Summary

Returns random integer in range of [0,n]

Arguments

  • n - range upper boundary

Synopsis

Cubios::Math
CPP
1static inline int randInt(int n)
2
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randReal

Summary

Returns random float in [0.0,1.0]

Synopsis

Cubios::Math
CPP
1sstatic inline float randReal()
2
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On This Page

Global DefinesLN 2PIPI 2TINYn maxn minn absn sgnn deg2radn rad2degn sinn cosn tann atanStatic functionslog2iclampacosasinsqrtfequalflessfgreaterftolsmoothclamplerpsaturaterandrand2randGetSeedrandSetSeedrandIntrandReal
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