public void DoUpdateCollide()
{
hwmBox2D collideAABB = hwmBox2D.BuildAABB(m_Head.GetPosition(), new Vector2(m_Head.Radius, m_Head.Radius));
hwmSphere2D headSphere = new hwmSphere2D(m_Head.GetPosition(), m_Properties.HeadColliderRadius);
if ((slConstants.DAMAGETYPE_WALL & m_EnableDamageType) != 0 &&
!slWorld.GetInstance().GetMap().GetMapBox().IsInsideOrOn(m_Head.AABB))
{
m_AliveState = AliveState.DeadHitWall;
return;
}
hwmQuadtree <QuadtreeElement> .AABBEnumerator enumerator = new hwmQuadtree <QuadtreeElement> .AABBEnumerator(m_Head.OwnerQuadtree.GetRootNode()
, collideAABB);
while (enumerator.MoveNext())
{
hwmQuadtree <QuadtreeElement> .Node iterNode = enumerator.Current;
hwmBetterList <QuadtreeElement> elements = iterNode.GetElements();
for (int iElement = elements.Count - 1; iElement >= 0; iElement--)
{
QuadtreeElement iterElement = elements[iElement];
if ((slConstants.DAMAGETYPE_SNAKE & m_EnableDamageType) != 0 &&
iterElement.Owner != m_Guid &&
iterElement.NodeType != slConstants.NodeType.Predict &&
(iterElement.GetPosition() - m_Head.GetPosition()).sqrMagnitude
<= ((m_Head.Radius + iterElement.Radius) * (m_Head.Radius + iterElement.Radius)))
{
m_AliveState = AliveState.DeadHitSnake;
}
}
}
}
/// <summary>
/// Check whether sphere is inside of another.
/// </summary>
/// <param name="other">Other The other sphere.</param>
/// <param name="tolerance">Tolerance Error Tolerance.</param>
/// <returns>true if sphere is inside another, otherwise false.</returns>
public bool IsInside(hwmSphere2D other, float tolerance = hwmConstants.KINDA_SMALL_NUMBER)
{
if (Radius > other.Radius + tolerance)
{
return(false);
}
return((Center - other.Center).sqrMagnitude <= Mathf.Sqrt(other.Radius + tolerance - Radius));
}
public void EatFood(float radius)
{
ms_FoodQuadtreeNodes.Clear();
hwmBox2D eatAABB = hwmBox2D.BuildAABB(m_Head.GetPosition(), new Vector2(radius, radius));
slWorld.GetInstance().GetFoodSystem().GetQuadtree().GetRootNode().GetAllIntersectNode(ref ms_FoodQuadtreeNodes, eatAABB);
hwmSphere2D headSphere = new hwmSphere2D(m_Head.GetPosition(), radius);
for (int iNode = 0; iNode < ms_FoodQuadtreeNodes.Count; iNode++)
{
hwmQuadtree <slFood> .Node iterNode = ms_FoodQuadtreeNodes[iNode];
hwmBetterList <slFood> foods = iterNode.GetElements();
bool inHeadSphere = headSphere.IsInside(iterNode.GetLooseBox());
for (int iFood = foods.Count - 1; iFood >= 0; iFood--)
{
slFood iterFood = foods[iFood];
if (inHeadSphere ||
(iterFood.GetPosition() - m_Head.GetPosition()).sqrMagnitude <= radius * radius)
{
EatFood(iterFood);
}
}
}
}
