1.1 --- a/src/vmath.h	Sat Sep 21 20:18:28 2013 +0300
     1.2 +++ b/src/vmath.h	Sun Sep 22 02:21:30 2013 +0300
     1.3 @@ -2,6 +2,7 @@
     1.4  #define VMATH_H_
     1.5  
     1.6  #include <math.h>
     1.7 +#include "fixed_point.h"
     1.8  
     1.9  #ifndef M_PI
    1.10  #define M_PI	3.1415926536
    1.11 @@ -19,5 +20,61 @@
    1.12  	float x, y;
    1.13  } vec2_t;
    1.14  
    1.15 +typedef struct {
    1.16 +	fixed x, y, z, w;
    1.17 +} vec4x_t;
    1.18 +
    1.19 +typedef struct {
    1.20 +	fixed x, y, z;
    1.21 +} vec3x_t;
    1.22 +
    1.23 +typedef struct {
    1.24 +	fixed x, y;
    1.25 +} vec2x_t;
    1.26 +
    1.27 +
    1.28 +#define vec2_to_fixed2(v, f) \
    1.29 +	do { \
    1.30 +		f.x = fixedf(v.x); \
    1.31 +		f.y = fixedf(v.y); \
    1.32 +	} while(0)
    1.33 +
    1.34 +#define vec3_to_fixed3(v, f) \
    1.35 +	do { \
    1.36 +		f.x = fixedf(v.x); \
    1.37 +		f.y = fixedf(v.y); \
    1.38 +		f.z = fixedf(v.z); \
    1.39 +	} while(0)
    1.40 +
    1.41 +#define vec4_to_fixed4(v, f) \
    1.42 +	do { \
    1.43 +		f.x = fixedf(v.x); \
    1.44 +		f.y = fixedf(v.y); \
    1.45 +		f.z = fixedf(v.z); \
    1.46 +		f.w = fixedf(v.w); \
    1.47 +	} while(0)
    1.48 +
    1.49 +
    1.50 +#define fixed2_to_vec2(f, v) \
    1.51 +	do { \
    1.52 +		v.x = fixed_float(f.x); \
    1.53 +		v.y = fixed_float(f.y); \
    1.54 +	} while(0)
    1.55 +
    1.56 +#define fixed3_to_vec3(f, v) \
    1.57 +	do { \
    1.58 +		v.x = fixed_float(f.x); \
    1.59 +		v.y = fixed_float(f.y); \
    1.60 +		v.z = fixed_float(f.z); \
    1.61 +	} while(0)
    1.62 +
    1.63 +#define fixed4_to_vec4(f, v) \
    1.64 +	do { \
    1.65 +		v.x = fixed_float(f.x); \
    1.66 +		v.y = fixed_float(f.y); \
    1.67 +		v.z = fixed_float(f.z); \
    1.68 +		v.w = fixed_float(f.w); \
    1.69 +	} while(0)
    1.70 +
    1.71  
    1.72  #endif	/* VMATH_H_ */