src/bz/math/vector.h

   1 #ifndef BZ_MATH_VECTOR_H
   2 #define BZ_MATH_VECTOR_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 struct BZVector {
   9         float x;
  10         float y;
  11 };
  12 typedef struct BZVector BZVector;
  13
  14 static inline BZVector *bzVectorSet(BZVector *vectorOut, float x, float y) {
  15     vectorOut->x = x;
  16     vectorOut->y = y;
  17     return vectorOut;
  18 }
  19
  20 extern void bzVectorCopy(BZVector *vectorOut, const BZVector *vector);
  21
  22 static inline BZVector bzVectorMake(float x, float y) {
  23     BZVector v = {
  24         .x = x,
  25         .y = y,
  26     };
  27     return v;
  28 }
  29
  30 extern void bzVectorMakeAngle(BZVector *vectorOut, float angle);
  31
  32 extern void bzVectorInverse(BZVector *vectorOut, const BZVector *vector);
  33 extern void bzVectorTangent(BZVector *vectorOut, const BZVector *vector);
  34
  35 extern void bzVectorAdd(BZVector *vectorOut, const BZVector *vector1, const BZVector *vector2);
  36 extern void bzVectorSubtract(BZVector *vectorOut, const BZVector *vector1, const BZVector *vector2);
  37
  38 extern void bzVectorScale(BZVector *vectorOut, const BZVector *vector, float scale);
  39 extern void bzVectorNormalized(BZVector *vectorOut, const BZVector *vector);
  40
  41 extern float bzVectorMagnitude(const BZVector *vector);
  42 extern float bzVectorMagnitudeSquared(const BZVector *vector);
  43 extern float bzVectorDot(const BZVector *vector1, const BZVector *vector2);
  44
  45 extern float bzVectorCross(const BZVector *vector1, const BZVector *vector2);
  46
  47 extern void bzVectorLerp(BZVector *vectorOut, const BZVector *vector1, const BZVector *vector2, float t);
  48
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52
  53 #endif