fttrigon.h File Reference

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Macros
#define	FT_ANGLE_PI   ( 180L << 16 )
#define	FT_ANGLE_2PI   ( FT_ANGLE_PI * 2 )
#define	FT_ANGLE_PI2   ( FT_ANGLE_PI / 2 )
#define	FT_ANGLE_PI4   ( FT_ANGLE_PI / 4 )

Functions
	FT_Sin (FT_Angle angle)
	FT_Cos (FT_Angle angle)
	FT_Tan (FT_Angle angle)
	FT_Atan2 (FT_Fixed x, FT_Fixed y)
	FT_Angle_Diff (FT_Angle angle1, FT_Angle angle2)
	FT_Vector_Unit (FT_Vector *vec, FT_Angle angle)
	FT_Vector_Rotate (FT_Vector *vec, FT_Angle angle)
	FT_Vector_Length (FT_Vector *vec)
	FT_Vector_Polarize (FT_Vector *vec, FT_Fixed *length, FT_Angle *angle)
	FT_Vector_From_Polar (FT_Vector *vec, FT_Fixed length, FT_Angle angle)

Variables
FT_BEGIN_HEADER typedef FT_Fixed	FT_Angle

Macro Definition Documentation

FT_ANGLE_2PI

#define FT_ANGLE_2PI   ( FT_ANGLE_PI * 2 )

FT_ANGLE_PI

#define FT_ANGLE_PI   ( 180L << 16 )

FT_ANGLE_PI2

#define FT_ANGLE_PI2   ( FT_ANGLE_PI / 2 )

FT_ANGLE_PI4

#define FT_ANGLE_PI4   ( FT_ANGLE_PI / 4 )

Function Documentation

FT_Angle_Diff()

FT_Angle_Diff	(	FT_Angle	angle1,
		FT_Angle	angle2
	)

FT_Atan2()

FT_Atan2	(	FT_Fixed	x,
		FT_Fixed	y
	)

FT_Cos()

FT_Cos

(

FT_Angle

angle

)

FT_Sin()

FT_Sin

(

FT_Angle

angle

)

FT_Tan()

FT_Tan

(

FT_Angle

angle

)

FT_Vector_From_Polar()

FT_Vector_From_Polar	(	FT_Vector *	vec,
		FT_Fixed	length,
		FT_Angle	angle
	)

FT_Vector_Length()

FT_Vector_Length

(

FT_Vector *

vec

)

FT_Vector_Polarize()

FT_Vector_Polarize	(	FT_Vector *	vec,
		FT_Fixed *	length,
		FT_Angle *	angle
	)

FT_Vector_Rotate()

FT_Vector_Rotate	(	FT_Vector *	vec,
		FT_Angle	angle
	)

FT_Vector_Unit()

FT_Vector_Unit	(	FT_Vector *	vec,
		FT_Angle	angle
	)

Variable Documentation

FT_Angle

FT_BEGIN_HEADER typedef FT_Fixed FT_Angle