diff options
Diffstat (limited to 'src/control/Curves.cpp')
| -rw-r--r-- | src/control/Curves.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/control/Curves.cpp b/src/control/Curves.cpp index 84d4af5a..c5f64bf7 100644 --- a/src/control/Curves.cpp +++ b/src/control/Curves.cpp @@ -2,5 +2,38 @@ #include "patcher.h" #include "Curves.h" +#if 0 WRAPPER float CCurves::CalcSpeedScaleFactor(CVector*, CVector*, float, float, float, float) { EAXJMP(0x420410); } +#else +float CCurves::CalcSpeedScaleFactor(CVector* pPoint1, CVector* pPoint2, float dir1X, float dir1Y, float dir2X, float dir2Y) +{ + CVector2D dir1(dir1X, dir1Y); + CVector2D dir2(dir2X, dir2Y); + float distance = (*pPoint1 - *pPoint2).Magnitude2D(); + float dp = DotProduct2D(dir1, dir2); + if (dp > 0.9f) + return distance + Abs((pPoint1->x * dir1Y - pPoint1->y * dir1X) - (pPoint2->x * dir1Y - pPoint2->y * dir1X)); + else + return ((1.0f - dp) * 0.2f + 1.0f) * distance; +} +#endif + +#if 0 WRAPPER void CCurves::CalcCurvePoint(CVector*, CVector*, CVector*, CVector*, float, int32, CVector*, CVector*) { EAXJMP(0x4204D0); } +#else +void CCurves::CalcCurvePoint(CVector* pPos1, CVector* pPos2, CVector* pDir1, CVector* pDir2, float between, int32 timeOnCurve, CVector* pOutPos, CVector* pOutDir) +{ + float actualFactor = CalcSpeedScaleFactor(pPos1, pPos2, pDir1->x, pDir1->y, pDir2->x, pDir2->y); + CVector2D dir1 = *pDir1 * actualFactor; + CVector2D dir2 = *pDir2 * actualFactor; + float curveCoef = 0.5f - 0.5f * cos(3.1415f * between); + *pOutPos = CVector( + (pPos1->x + between * dir1.x) * (1.0f - curveCoef) + (pPos2->x - (1 - between) * dir2.x) * curveCoef, + (pPos1->y + between * dir1.y) * (1.0f - curveCoef) + (pPos2->y - (1 - between) * dir2.y) * curveCoef, + 0.0f); + *pOutDir = CVector( + (dir1.x * (1.0f - curveCoef) + dir2.x * curveCoef) / (timeOnCurve * 0.001f), + (dir1.y * (1.0f - curveCoef) + dir2.y * curveCoef) / (timeOnCurve * 0.001f), + 0.0f); +} +#endif
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