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Rename Vec3p_Distance; update math.h

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Aetias
2024-05-23 23:45:34 +02:00
parent 4ca86b9fdd
commit 9579c4c9bf
84 changed files with 200 additions and 187 deletions
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include/lib/math.h
+21 -8
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@@ -10,8 +10,15 @@ typedef s16 q4;
#define INT_TO_Q20(n) ((s32)((n) << 12))
#define FLOAT_TO_Q20(n) ((s32)(((n) * 8192 + 1) / 2))
#define ROUND_Q20(n) (((s32)(n) + 0x800) >> 12)
#define MUL_Q20(a,b) ROUND_Q20((a) * (b))
#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
#define SIN(n) (gSinCosTable[2 * ((n) >> 4)])
#define COS(n) (gSinCosTable[2 * ((n) >> 4) + 1])
extern "C" s16 Atan2(s32 x, s32 y);
extern q4 gSinCosTable[];
typedef struct {
/* 0 */ s8 x;
@@ -39,6 +46,19 @@ extern "C" void Vec3p_Cross(Vec3p *a, Vec3p *b, Vec3p *out);
extern "C" q20 Vec3p_Length(Vec3p *a);
extern "C" void Vec3p_Normalize(Vec3p *vec, Vec3p *out);
extern "C" void Vec3p_Axpy(q20 a, Vec3p *x, Vec3p *y, Vec3p *out);
extern "C" q20 Vec3p_Distance(Vec3p *a, Vec3p *b);
inline void Vec3p_Rotate(Vec3p *vec, s16 angle, Vec3p *out) {
q20 sin = SIN(angle);
q20 zSin = MUL_Q20(vec->z, sin);
out->x += zSin;
q20 cos = COS(angle);
q20 zCos = MUL_Q20(vec->z, cos);
out->z += zCos;
q20 xCos = MUL_Q20(vec->x, cos);
out->x += xCos;
q20 xSin = MUL_Q20(vec->x, -sin);
out->z += xSin;
}
typedef struct {
/* 00 */ q20 x;
@@ -55,13 +75,6 @@ typedef struct {
/* 24 */
} Mat3p;
#define DEG_TO_ANG(n) ((n) * 0x10000 / 360)
#define SIN(n) (gSinCosTable[2 * ((n) >> 4)])
#define COS(n) (gSinCosTable[2 * ((n) >> 4) + 1])
extern "C" s16 Atan2(s32 x, s32 y);
extern s16 gSinCosTable[];
extern "C" u32 FastDivide(u32 a, u32 b);
extern "C" u32 Divide(u32 a, u32 b);
extern "C" bool Approach(unk32 *src, unk32 dest, unk32 step);