public static float GetIntersectDistance(Spell spell, Vector2 start, Vector2 end)
{
if (spell == null)
{
return(float.MaxValue);
}
Vector3 start3D = new Vector3(start.X, start.Y, 0);
Vector2 walkDir = (end - start);
Vector3 walkDir3D = new Vector3(walkDir.X, walkDir.Y, 0);
Ray heroPath = new Ray(start3D, walkDir3D);
if (spell.spellType == SpellType.Line)
{
Vector2 intersection;
bool hasIntersection = spell.LineIntersectLinearSpellEx(start, end, out intersection);
if (hasIntersection)
{
return(start.LSDistance(intersection));
}
}
else if (spell.spellType == SpellType.Circular)
{
if (end.InSkillShot(spell, ObjectCache.myHeroCache.boundingRadius) == false)
{
Vector2 intersection1, intersection2;
MathUtils.FindLineCircleIntersections(spell.endPos, spell.radius, start, end, out intersection1, out intersection2);
if (intersection1.X != float.NaN && MathUtils.isPointOnLineSegment(intersection1, start, end))
{
return(start.LSDistance(intersection1));
}
else if (intersection2.X != float.NaN && MathUtils.isPointOnLineSegment(intersection2, start, end))
{
return(start.LSDistance(intersection2));
}
}
}
return(float.MaxValue);
}
public static float GetIntersectDistance(Spell spell, Vector2 start, Vector2 end)
{
if (spell == null)
return float.MaxValue;
Vector3 start3D = new Vector3(start.X, start.Y, 0);
Vector2 walkDir = (end - start);
Vector3 walkDir3D = new Vector3(walkDir.X, walkDir.Y, 0);
Ray heroPath = new Ray(start3D, walkDir3D);
if (spell.spellType == SpellType.Line)
{
Vector2 intersection;
bool hasIntersection = spell.LineIntersectLinearSpellEx(start, end, out intersection);
if (hasIntersection)
{
return start.Distance(intersection);
}
}
else if (spell.spellType == SpellType.Circular)
{
if (end.InSkillShot(spell, ObjectCache.myHeroCache.boundingRadius) == false)
{
Vector2 intersection1, intersection2;
MathUtils.FindLineCircleIntersections(spell.endPos, spell.radius, start, end, out intersection1, out intersection2);
if (intersection1.X != float.NaN && MathUtils.isPointOnLineSegment(intersection1, start, end))
{
return start.Distance(intersection1);
}
else if (intersection2.X != float.NaN && MathUtils.isPointOnLineSegment(intersection2, start, end))
{
return start.Distance(intersection2);
}
}
}
return float.MaxValue;
}