shithub: qk1

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mathlib: shorten Length and VectorNormalize

--- a/mathlib.c

+++ b/mathlib.c

@@ -76,7 +76,6 @@

 	return sides;

 }

-

 void AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up)

 {

 	double		angle;

@@ -119,26 +118,15 @@

 vec_t Length(vec3_t v)

 {

-	int		i;

-	float	length;

-

-	length = 0;

-	for (i=0 ; i< 3 ; i++)

-		length += v[i]*v[i];

-	length = sqrt (length);		// FIXME

-

-	return length;

+	return sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);

 }

 float VectorNormalize (vec3_t v)

 {

-	float	length, ilength;

+	float length, ilength;

-	length = v[0]*v[0] + v[1]*v[1] + v[2]*v[2];

-	length = sqrt (length);		// FIXME

-

-	if (length)

-	{

+	length = sqrt(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);

+	if(length != 0){

 		ilength = 1/length;

 		v[0] *= ilength;

 		v[1] *= ilength;