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Optimize Vector2Rotate() function (#2340)

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This commit is contained in:
Jaedeok Kim
2022-02-14 02:43:17 +09:00
committed by GitHub
parent f40eed5adf
commit b54e9db764
1 changed files with 6 additions and 3 deletions
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9
src/raymath.h
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@@ -189,7 +189,7 @@ RMAPI float Normalize(float value, float start, float end)
// Remap input value within input range to output range
RMAPI float Remap(float value, float inputStart, float inputEnd, float outputStart, float outputEnd)
{
float result =(value - inputStart)/(inputEnd - inputStart)*(outputEnd - outputStart) + outputStart;
float result = (value - inputStart)/(inputEnd - inputStart)*(outputEnd - outputStart) + outputStart;
return result;
}
@@ -378,8 +378,11 @@ RMAPI Vector2 Vector2Rotate(Vector2 v, float angle)
{
Vector2 result = { 0 };
result.x = v.x*cosf(angle) - v.y*sinf(angle);
result.y = v.x*sinf(angle) + v.y*cosf(angle);
float cosres = cosf(angle);
float sinres = sinf(angle);
result.x = v.x*cosres - v.y*sinres;
result.y = v.x*sinres + v.y*cosres;
return result;
}