2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
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3 For a list of contributors, see the accompanying CONTRIBUTORS file.
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5 This file is part of GtkRadiant.
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7 GtkRadiant is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2 of the License, or
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10 (at your option) any later version.
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12 GtkRadiant is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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17 You should have received a copy of the GNU General Public License
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18 along with GtkRadiant; if not, write to the Free Software
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19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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30 typedef double vec_t;
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32 typedef float vec_t;
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34 typedef vec_t vec3_t[3];
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36 #define SIDE_FRONT 0
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39 #define SIDE_CROSS -2
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41 #define Q_PI 3.14159265358979323846
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43 extern vec3_t vec3_origin;
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45 #define EQUAL_EPSILON 0.001
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47 qboolean VectorCompare (vec3_t v1, vec3_t v2);
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49 #define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
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50 #define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
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51 #define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
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52 #define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}
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53 #define VectorScale(a,b,c) {c[0]=b*a[0];c[1]=b*a[1];c[2]=b*a[2];}
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54 #define VectorClear(x) {x[0] = x[1] = x[2] = 0;}
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55 #define VectorNegate(x) {x[0]=-x[0];x[1]=-x[1];x[2]=-x[2];}
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57 vec_t Q_rint (vec_t in);
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58 vec_t _DotProduct (vec3_t v1, vec3_t v2);
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59 void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out);
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60 void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out);
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61 void _VectorCopy (vec3_t in, vec3_t out);
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62 void _VectorScale (vec3_t v, vec_t scale, vec3_t out);
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64 double VectorLength(vec3_t v);
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66 void VectorMA (vec3_t va, double scale, vec3_t vb, vec3_t vc);
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68 void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);
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69 vec_t VectorNormalize (vec3_t in, vec3_t out);
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70 vec_t ColorNormalize (vec3_t in, vec3_t out);
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71 void VectorInverse (vec3_t v);
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73 void ClearBounds (vec3_t mins, vec3_t maxs);
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74 void AddPointToBounds (vec3_t v, vec3_t mins, vec3_t maxs);
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