lightlut.h File Reference

#include "types.h"
#include <math.h>

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Data Structures
struct	C3D_LightLut
struct	C3D_LightLutDA

Macros
#define	LightLut_Phong(lut, shininess)   LightLut_FromFunc((lut), powf, (shininess), false)
#define	LightLut_Spotlight(lut, angle)   LightLut_FromFunc((lut), spot_step, cosf(angle), true)
#define	LightLutDA_Quadratic(lut, from, to, linear, quad)   LightLutDA_Create((lut), quadratic_dist_attn, (from), (to), (linear), (quad))

Typedefs
typedef float(*	C3D_LightLutFunc) (float x, float param)
typedef float(*	C3D_LightLutFuncDA) (float dist, float arg0, float arg1)

Functions
static float	quadratic_dist_attn (float dist, float linear, float quad)
static float	spot_step (float angle, float cutoff)
void	LightLut_FromArray (C3D_LightLut *lut, float *data)
void	LightLut_FromFunc (C3D_LightLut *lut, C3D_LightLutFunc func, float param, bool negative)
void	LightLutDA_Create (C3D_LightLutDA *lut, C3D_LightLutFuncDA func, float from, float to, float arg0, float arg1)

Macro Definition Documentation

LightLut_Phong

#define LightLut_Phong	(		lut,
			shininess
	)		LightLut_FromFunc((lut), powf, (shininess), false)

LightLut_Spotlight

#define LightLut_Spotlight	(		lut,
			angle
	)		LightLut_FromFunc((lut), spot_step, cosf(angle), true)

LightLutDA_Quadratic

#define LightLutDA_Quadratic	(		lut,
			from,
			to,
			linear,
			quad
	)		LightLutDA_Create((lut), quadratic_dist_attn, (from), (to), (linear), (quad))

Typedef Documentation

C3D_LightLutFunc

typedef float(* C3D_LightLutFunc) (float x, float param)

C3D_LightLutFuncDA

typedef float(* C3D_LightLutFuncDA) (float dist, float arg0, float arg1)

Function Documentation

LightLut_FromArray()

void LightLut_FromArray	(	C3D_LightLut *	lut,
		float *	data
	)

LightLut_FromFunc()

void LightLut_FromFunc	(	C3D_LightLut *	lut,
		C3D_LightLutFunc	func,
		float	param,
		bool	negative
	)

LightLutDA_Create()

void LightLutDA_Create	(	C3D_LightLutDA *	lut,
		C3D_LightLutFuncDA	func,
		float	from,
		float	to,
		float	arg0,
		float	arg1
	)

quadratic_dist_attn()

static float quadratic_dist_attn ( float  dist, float  linear, float  quad  )

inlinestatic

spot_step()

static float spot_step ( float  angle, float  cutoff  )

inlinestatic