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Fixed bug: Parabolic Missile was not initialized correctly.
This commit is contained in:
mohydine 2003-10-18 01:39:07 +00:00
parent 1620165eac
commit cb0b8cffbe
1 changed files with 5 additions and 5 deletions
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10
src/stratagus/missile.cpp
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@ -297,8 +297,8 @@ local Missile* InitMissile(Missile* missile, MissileType* mtype, int sx,
missile->Y = sy - mtype->Height / 2; missile->Y = sy - mtype->Height / 2;
missile->DX = dx - mtype->Width / 2; missile->DX = dx - mtype->Width / 2;
missile->DY = dy - mtype->Height / 2; missile->DY = dy - mtype->Height / 2;
missile->SourceX = sx; missile->SourceX = missile->X;
missile->SourceY = sy; missile->SourceY = missile->Y;
missile->Type = mtype; missile->Type = mtype;
missile->SpriteFrame = 0; missile->SpriteFrame = 0;
missile->State = 0; missile->State = 0;
@ -960,13 +960,13 @@ local int ParabolicCalc(Missile* missile, int amplitude)
int thetha; int thetha;
missile->Xl -= missile->Xstep; missile->Xl -= missile->Xstep;
missile->X = (missile->Xl + 500) / 1000; missile->X = (missile->Xl ) / 1000;
xmid = (missile->SourceX + missile->DX) / 2; xmid = (missile->SourceX + missile->DX) / 2;
sinu = (missile->X - xmid) * (missile->X - xmid); sinu = (missile->X - xmid) * (missile->X - xmid);
thetha = missile->SourceX - xmid; thetha = missile->SourceX - xmid;
missile->Y = ((missile->Angle * (missile->X - missile->SourceX)) - missile->Y = ((missile->Angle * (missile->X - missile->SourceX)) -
amplitude * isqrt(-sinu + thetha * thetha) + missile->SourceY * 1000 + 500) / 1000; amplitude * isqrt(-sinu + thetha * thetha) + missile->SourceY * 1000 + 500 ) / 1000;
return 0; return 0;
} }
@ -1007,7 +1007,7 @@ local int ParabolicMissile(Missile* missile)
} else { } else {
missile->Angle = 1; missile->Angle = 1;
} }
missile->Xl = missile->X * 1000; missile->Xl = missile->SourceX * 1000;
MissileNewHeadingFromXY(missile, dx * xstep, dy * ystep); MissileNewHeadingFromXY(missile, dx * xstep, dy * ystep);