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Add DN_V2F32Rotate

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doylet
2026-07-31 21:55:12 +10:00
parent 10e7b4ae82
commit e06f9df22b
4 changed files with 19 additions and 6 deletions
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Source/dn.h
+11 -4
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@@ -3507,10 +3507,16 @@ DN_API DN_V2U16& operator/=
DN_API DN_V2U16& operator-= (DN_V2U16& lhs, DN_V2U16 rhs);
DN_API DN_V2U16& operator+= (DN_V2U16& lhs, DN_V2U16 rhs);
#define DN_V2U32Zero DN_Literal(DN_V2U32){{(DN_U32)(0), (DN_U32)(0)}}
#define DN_V2U32One DN_Literal(DN_V2U32){{(DN_U32)(1), (DN_U32)(1)}}
#define DN_V2U32From1N(x) DN_Literal(DN_V2U32){{(DN_U32)(x), (DN_U32)(x)}}
#define DN_V2U32From2N(x, y) DN_Literal(DN_V2U32){{(DN_U32)(x), (DN_U32)(y)}}
// NOTE: DN_V2F32
// API
// DN_V2F32Rotate
// Rotate a vector using the precomputed cosine and sine value of the angle (e.g.
// `cos_a => cos(your_angle * 2.f * DN_PiF32)` and `sin_a => sinf(your_angle * 2.f * DN_PiF32)`)
#define DN_V2U32Zero DN_Literal(DN_V2U32){{(DN_U32)(0), (DN_U32)(0)}}
#define DN_V2U32One DN_Literal(DN_V2U32){{(DN_U32)(1), (DN_U32)(1)}}
#define DN_V2U32From1N(x) DN_Literal(DN_V2U32){{(DN_U32)(x), (DN_U32)(x)}}
#define DN_V2U32From2N(x, y) DN_Literal(DN_V2U32){{(DN_U32)(x), (DN_U32)(y)}}
#define DN_V2U32FromV2(v2) DN_Literal(DN_V2U32){{(DN_U32)(v2.x), (DN_U32)(v2.y)}}
#define DN_V2F32Zero DN_Literal(DN_V2F32){{(DN_F32)(0), (DN_F32)(0)}}
#define DN_V2F32One DN_Literal(DN_V2F32){{(DN_F32)(1), (DN_F32)(1)}}
@@ -3519,6 +3525,7 @@ DN_API DN_V2U16& operator+=
#define DN_V2F32FromV2(xy) DN_Literal(DN_V2F32){{(DN_F32)(xy).x, (DN_F32)(xy).y}}
DN_API DN_V2F32 DN_V2F32Lerp (DN_V2F32 a, DN_F32 t, DN_V2F32 b);
DN_API DN_V2F32 DN_V2F32Rotate (DN_V2F32 v, DN_F32 cos_a, DN_F32 sin_a);
DN_API bool operator!= (DN_V2F32 lhs, DN_V2F32 rhs);
DN_API bool operator== (DN_V2F32 lhs, DN_V2F32 rhs);