#ifndef __MATHLIB__ #define __MATHLIB__ // mathlib.h #include typedef float vec_t; typedef vec_t vec3_t[3]; #define SIDE_FRONT 0 #define SIDE_ON 2 #define SIDE_BACK 1 #define SIDE_CROSS -2 #define Q_PI 3.14159265358979323846 extern vec3_t vec3_origin; #define EQUAL_EPSILON 0.001 qboolean VectorCompare (vec3_t v1, vec3_t v2); #define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2]) #define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];} #define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];} #define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];} #define VectorSet(v, a, b, c) {v[0]=a;v[1]=b;v[2]=c;} vec_t Q_rint (vec_t in); vec_t _DotProduct (vec3_t v1, vec3_t v2); void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out); void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out); void _VectorCopy (vec3_t in, vec3_t out); float VectorLength(vec3_t v); void VectorMA (vec3_t va, float scale, vec3_t vb, vec3_t vc); void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross); vec_t VectorNormalize (vec3_t v); void VectorInverse (vec3_t v); void VectorScale (vec3_t v, vec_t scale, vec3_t out); void VectorPolar(vec3_t v, float radius, float theta, float phi); void VectorSnap(vec3_t v); #endif