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*Allow knockback creatures.

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--HG--
branch : trunk
This commit is contained in:
megamage
2009-03-23 15:26:13 -06:00
parent 41a73f284b
commit ba957ed9f4
10 changed files with 99 additions and 39 deletions
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19
src/game/Object.cpp
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@@ -1278,6 +1278,25 @@ float WorldObject::GetAngle( const float x, const float y ) const
return ang;
}
void WorldObject::GetSinCos(const float x, const float y, float &vsin, float &vcos)
{
float dx = GetPositionX() - x;
float dy = GetPositionY() - y;
if(dx < 0.001f && dy < 0.001f)
{
float angle = rand_norm()*2*M_PI;
vcos = cos(angle);
vsin = sin(angle);
}
else
{
float dist = sqrt((dx*dx) + (dy*dy));
vcos = dx / dist;
vsin = dy / dist;
}
}
bool WorldObject::HasInArc(const float arcangle, const WorldObject* obj) const
{
float arc = arcangle;