public InstanceOf(ApexType type, IApexNode sourExpression)
{
_type = type;
_sourExpression = sourExpression as Expression;
}
static Tuple2<Vector3, Vector3> GetTangentPoints(ApexType type1, Vector3 center1, ApexType type2, Vector3 center2, float radius)
{
Tuple2<Vector3, Vector3> answer;
if (type1 == ApexType.Point && type2 == ApexType.Point)
{
answer = new Tuple2<Vector3, Vector3>(center1, center2);
}
else if (type1 == ApexType.Point)
{
Vector3 tmp = MathUtility.GetTangent(center2, radius, center1, type2 == ApexType.Left);
answer = new Tuple2<Vector3, Vector3>(center1, tmp);
}
else if (type2 == ApexType.Point)
{
Vector3 tmp = MathUtility.GetTangent(center1, radius, center2, type1 == ApexType.Right);
answer = new Tuple2<Vector3, Vector3>(tmp, center2);
}
else if (type1 == type2)
{
answer = MathUtility.GetOutterTangent(center1, radius, center2, radius, type1 == ApexType.Left);
}
else
{
answer = MathUtility.GetInnerTangent(center1, radius, center2, radius, type1 == ApexType.Right);
}
return answer;
}
public CastExpression(ApexType type, IApexNode sourExpression)
{
_type = type;
_sourExpression = sourExpression as Expression;
}
