private bool DetectCollisionWithPlayerBullet(PlayerBulletBase bullet)
{
int nextColliderIndex = 0;
int curColliderIndex;
bool isCollided = false;
do
{
CollisionDetectParas collParas = bullet.GetCollisionDetectParas(nextColliderIndex);
curColliderIndex = nextColliderIndex;
nextColliderIndex = collParas.nextIndex;
if (collParas.type == CollisionDetectType.Circle)
{
// 子弹为圆形判定，先检测外切正方形
float dx = Mathf.Abs(_curPos.x - collParas.centerPos.x);
float dy = Mathf.Abs(_curPos.y - collParas.centerPos.y);
// 两圆的半径和
float sumOfRadius = _radius + collParas.radius;
if (dx <= sumOfRadius && dy <= sumOfRadius)
{
if (dx * dx + dy * dy <= sumOfRadius * sumOfRadius)
{
bullet.CollidedByObject(curColliderIndex);
isCollided = true;
}
}
}
} while (nextColliderIndex != -1);
return(isCollided);
}
/// <summary>
/// 碰撞检测
/// </summary>
/// <param name="collParas"></param>
/// <returns></returns>
private bool DetectCollisionWithEnemyBullet(EnemyBulletBase bullet)
{
if (bullet.Type == BulletType.Enemy_Laser)
{
return(false);
}
CollisionDetectParas collParas;
switch (bullet.Type)
{
case BulletType.Enemy_Simple:
collParas = bullet.GetCollisionDetectParas(0);
break;
case BulletType.Enemy_LinearLaser:
case BulletType.Enemy_CurveLaser:
collParas = bullet.GetCollisionDetectParas(-1);
break;
default:
collParas = new CollisionDetectParas();
break;
}
if (DetectCollisionWithCollisionParas(collParas))
{
CollidedByObject(bullet);
return(true);
}
return(false);
}
public override CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
if (_collisionHalfWidth == _collisionHalfHeight)
{
CollisionDetectParas paras = new CollisionDetectParas
{
type = CollisionDetectType.Circle,
centerPos = _curPos,
radius = _collisionHalfWidth,
nextIndex = -1,
};
return(paras);
}
else
{
CollisionDetectParas paras = new CollisionDetectParas
{
type = CollisionDetectType.ItalicRect,
centerPos = _curPos,
halfWidth = _collisionHalfWidth,
halfHeight = _collisionHalfHeight,
angle = _curVAngle,
nextIndex = -1,
};
return(paras);
}
}
private bool DetectCollisionWithPlayerBullet(PlayerBulletBase bullet)
{
int nextColliderIndex = 0;
int curColliderIndex;
bool isCollided = false;
do
{
CollisionDetectParas collParas = bullet.GetCollisionDetectParas(nextColliderIndex);
curColliderIndex = nextColliderIndex;
nextColliderIndex = collParas.nextIndex;
if (collParas.type == CollisionDetectType.Circle)
{
// 子弹为圆形判定，方形判定来检测
float dx = Mathf.Abs(_curPos.x - collParas.centerPos.x);
float dy = Mathf.Abs(_curPos.y - collParas.centerPos.y);
// 检测该碰撞矩形与方形是否相交
if (dx <= _halfWidth + collParas.radius && dy <= _halfHeight + collParas.radius)
{
CollidedByPlayerBullet(bullet, curColliderIndex);
isCollided = true;
}
}
} while (nextColliderIndex != -1);
return(isCollided);
}
public override bool DetectCollisionWithCollisionParas(CollisionDetectParas collParas)
{
if (collParas.type == CollisionDetectType.Circle)
{
if (MathUtil.DetectCollisionBetweenCircleAndOBB(collParas.centerPos, collParas.radius, _curPos, _halfWidth, _halfHeight, _curRotation))
{
return(true);
}
}
else if (collParas.type == CollisionDetectType.Rect || collParas.type == CollisionDetectType.ItalicRect)
{
// 计算rect1的分离轴向量
float angle0 = 0;
float angle1 = collParas.angle;
float cos0 = Mathf.Cos(Mathf.Deg2Rad * angle0);
float sin0 = Mathf.Sin(Mathf.Deg2Rad * angle0);
float cos1 = Mathf.Cos(Mathf.Deg2Rad * angle1);
float sin1 = Mathf.Sin(Mathf.Deg2Rad * angle1);
//rect0分离轴
Vector2 rect0Vec0 = new Vector2(cos0, sin0);
Vector2 rect0Vec1 = new Vector2(-sin0, cos0);
// rect1分离轴
Vector2 rect1Vec0 = new Vector2(cos1, sin1);
Vector2 rect1Vec1 = new Vector2(-sin1, cos1);
List <Vector2> rectVecList = new List <Vector2> {
rect0Vec0, rect0Vec1, rect1Vec0, rect1Vec1
};
// 两矩形中心的向量
Vector2 centerVec = new Vector2(collParas.centerPos.x - _curPos.x, collParas.centerPos.y - _curPos.y);
bool rectIsCollided = true;
for (int i = 0; i < rectVecList.Count; i++)
{
// 投影轴
Vector2 vec = rectVecList[i];
// rect0的投影半径对于该投影轴的投影
float projectionRadius0 = Mathf.Abs(Vector2.Dot(rect0Vec0, vec) * _halfWidth) + Mathf.Abs(Vector2.Dot(rect0Vec1, vec) * _halfHeight);
projectionRadius0 = Mathf.Abs(projectionRadius0);
// rect1的投影半径对于投影轴的投影
float projectionRadius1 = Mathf.Abs(Vector2.Dot(rect1Vec0, vec) * collParas.halfWidth) + Mathf.Abs(Vector2.Dot(rect1Vec1, vec) * collParas.halfHeight);
projectionRadius1 = Mathf.Abs(projectionRadius1);
// 连线对于投影轴的投影
float centerVecProjection = Vector2.Dot(centerVec, vec);
centerVecProjection = Mathf.Abs(centerVecProjection);
// 投影的和小于轴半径的长度,说明没有碰撞
if (projectionRadius0 + projectionRadius1 <= centerVecProjection)
{
rectIsCollided = false;
break;
}
}
if (rectIsCollided)
{
return(true);
}
}
return(false);
}
public override CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
if (!_isCachedCollisionSegment)
{
CacheCollisionPoints();
}
CollisionDetectParas paras;
if (index == 0)
{
if (_pathCount <= _laserLen && !_isSourceEliminated)
{
paras = new CollisionDetectParas()
{
type = CollisionDetectType.Circle,
radius = DefaultCollisionHalfHeight,
nextIndex = 1,
};
}
else
{
paras = new CollisionDetectParas()
{
type = CollisionDetectType.Null,
nextIndex = 1,
};
}
}
else if (_collisionSegmentCount < index)
{
paras = new CollisionDetectParas()
{
type = CollisionDetectType.Null,
nextIndex = -1,
};
}
else
{
index = index > 0 ? index : _collisionSegmentCount + index + 1;
int segmentIndex = index - 1;
Vector2 segment = _collisionSegmentList[segmentIndex];
Vector2 lineVec = _pathList[(int)segment.y] - _pathList[(int)segment.x];
float segmentLen = lineVec.magnitude;
paras = new CollisionDetectParas()
{
type = CollisionDetectType.ItalicRect,
centerPos = (_pathList[(int)segment.x] + _pathList[(int)segment.y]) / 2,
nextIndex = segmentIndex + 1 >= _collisionSegmentCount ? -1 : index + 1,
halfWidth = segmentLen / 2,
halfHeight = DefaultCollisionHalfHeight,
angle = _curRotation,
};
}
return(paras);
}
public override CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
CollisionDetectParas para = new CollisionDetectParas
{
type = CollisionDetectType.Circle,
centerPos = _curPos,
radius = _radius,
};
return(para);
}
public override bool DetectCollisionWithCollisionParas(CollisionDetectParas collParas)
{
if (collParas.type == CollisionDetectType.Circle)
{
// 子弹为圆形判定，先检测外切正方形
float dx = Mathf.Abs(_curPos.x - collParas.centerPos.x);
float dy = Mathf.Abs(_curPos.y - collParas.centerPos.y);
// 两圆的半径和
float sumOfRadius = _radius + collParas.radius;
if (dx <= sumOfRadius && dy <= sumOfRadius)
{
if (dx * dx + dy * dy <= sumOfRadius * sumOfRadius)
{
return(true);
}
}
}
else if (collParas.type == CollisionDetectType.Rect || collParas.type == CollisionDetectType.ItalicRect)
{
if (_radius == 0)
{
return(false);
}
// 子弹为矩形判定
return(MathUtil.DetectCollisionBetweenCircleAndOBB(_curPos, _radius, collParas.centerPos, collParas.halfWidth, collParas.halfHeight, collParas.angle));
//// 以子弹中心点为圆心，将B的判定中心旋转angle的角度计算判定
//Vector2 vec = new Vector2(_curPosX - collParas.centerPos.x, _curPosY - collParas.centerPos.y);
//float cos = Mathf.Cos(collParas.angle * Mathf.Deg2Rad);
//float sin = Mathf.Sin(collParas.angle * Mathf.Deg2Rad);
//Vector2 relativeVec = new Vector2();
//// 向量顺时针旋转laserAngle的度数
//relativeVec.x = cos * vec.x + sin * vec.y;
//relativeVec.y = -sin * vec.x + cos * vec.y;
//// 计算圆和矩形的碰撞
//float len = relativeVec.magnitude;
//float dLen = len - _radius;
//// 若圆心和矩形中心的连线长度小于圆的半径，说明矩形肯定有一部分在圆内
//// 因此直接认定为碰撞
//if (dLen <= 0)
//{
// return true;
//}
//else
//{
// float rate = dLen / len;
// relativeVec *= rate;
// if (Mathf.Abs(relativeVec.x) < collParas.halfHeight && Mathf.Abs(relativeVec.y) < collParas.halfWidth)
// {
// return true;
// }
//}
}
return(false);
}
public override CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
CollisionDetectParas para = new CollisionDetectParas
{
type = CollisionDetectType.Rect,
centerPos = _curPos,
halfWidth = _halfWidth,
halfHeight = _halfHeight,
};
return(para);
}
/// <summary>
/// 获取碰撞检测的参数
/// </summary>
/// <param name="index">对应的第n个碰撞盒的参数</param>
/// <returns></returns>
public virtual CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
CollisionDetectParas paras = new CollisionDetectParas
{
type = CollisionDetectType.Circle,
centerPos = _curPos,
radius = _collisionRadius,
nextIndex = -1,
angle = 0,
};
return(paras);
}
public static int SetLaserCollisionDetectParas(ILuaState luaState)
{
Logger.LogError("Try to call unused Method LuaLib:SetLaserCollisionDetectParas");
EnemyLaser laser = luaState.ToUserData(-3) as EnemyLaser;
CollisionDetectParas detectParas = new CollisionDetectParas()
{
type = CollisionDetectType.Rect,
halfWidth = (float)luaState.ToNumber(-2),
halfHeight = (float)luaState.ToNumber(-1),
};
luaState.Pop(3);
//laser.SetCollisionDetectParas(detectParas);
return(0);
}
/// <summary>
/// 获取碰撞检测的参数
/// </summary>
/// <param name="index">对应的第n个碰撞盒的参数</param>
/// <returns></returns>
public virtual CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
CollisionDetectParas paras = new CollisionDetectParas
{
type = CollisionDetectType.Rect,
centerPos = _curPos,
halfWidth = _collisionHalfWidth,
halfHeight = _collisionHalfHeight,
radius = Mathf.Min(_collisionHalfWidth, _collisionHalfHeight),
nextIndex = -1,
angle = 0,
};
return(paras);
}
private void RenderEnemy()
{
Color col = new Color(255f / 255, 255f / 255, 128f / 255);
List <EnemyBase> list = EnemyManager.GetInstance().GetEnemyList();
//int count = list.Count;
foreach (var enemy in list)
{
if (enemy != null && enemy.DetectCollision())
{
CollisionDetectParas para = enemy.GetCollisionDetectParas();
RenderCollisionGraphic(para, col);
}
}
}
private void RenderCollisionGraphic(CollisionDetectParas para, Color col)
{
if (para.type == CollisionDetectType.Circle)
{
RenderCircle(para.centerPos, para.radius, col);
}
else if (para.type == CollisionDetectType.Rect)
{
RenderAABB(para.centerPos, para.halfWidth, para.halfHeight, col);
}
else if (para.type == CollisionDetectType.ItalicRect)
{
RenderOBB(para.centerPos, para.halfWidth, para.halfHeight, para.angle, col);
}
}
/// <summary>
/// 获取子弹的碰撞参数
/// <para>bullet</para>
/// <para>collisionIndex 第n个碰撞体</para>
/// </summary>
/// <param name="luaState"></param>
/// <returns></returns>
public static int GetBulletCollisionDetectParas(ILuaState luaState)
{
EnemyBulletBase bullet = luaState.ToUserData(-2) as EnemyBulletBase;
int index = luaState.ToInteger(-1);
luaState.Pop(2);
CollisionDetectParas collParas = bullet.GetCollisionDetectParas(index);
luaState.PushInteger((int)collParas.type);
luaState.PushNumber(collParas.centerPos.x);
luaState.PushNumber(collParas.centerPos.y);
luaState.PushNumber(collParas.radius);
luaState.PushNumber(collParas.halfWidth);
luaState.PushNumber(collParas.halfHeight);
luaState.PushNumber(collParas.angle);
return(7);
}
/// <summary>
/// 碰撞检测
/// </summary>
/// <param name="collParas"></param>
/// <returns></returns>
private bool DetectCollisionWithEnemyBullet(EnemyBulletBase bullet)
{
int nextColliderIndex = 0;
int curColliderIndex;
bool isCollided = false;
do
{
CollisionDetectParas collParas = bullet.GetCollisionDetectParas(nextColliderIndex);
curColliderIndex = nextColliderIndex;
nextColliderIndex = collParas.nextIndex;
if (DetectCollisionWithCollisionParas(collParas))
{
bullet.CollidedByObject(curColliderIndex, _eliminateType);
isCollided = true;
}
} while (nextColliderIndex != -1);
return(isCollided);
}
public override CollisionDetectParas GetCollisionDetectParas(int index=0)
{
CollisionDetectParas paras = new CollisionDetectParas();
paras.nextIndex = -1;
paras.type = CollisionDetectType.ItalicRect;
//paras.halfWidth = _laserHalfWidth * _collisionFactor;
//paras.halfHeight = _laserHalfLength;
paras.halfWidth = _laserHalfLength;
paras.halfHeight = _laserHalfWidth * _collisionFactor;
paras.angle = _curRotation;
// 计算矩形中心坐标
Vector2 center = new Vector2();
float cos = Mathf.Cos(_curRotation * Mathf.Deg2Rad);
float sin = Mathf.Sin(_curRotation * Mathf.Deg2Rad);
// 矩形中心坐标
center.x = _laserHalfLength * cos + _curPos.x;
center.y = _laserHalfLength * sin + _curPos.y;
paras.centerPos = center;
return paras;
}
private void RenderPlayerBullet()
{
Color col = new Color(127f / 255, 127f / 255, 192f / 255);
List <PlayerBulletBase> list = BulletsManager.GetInstance().GetPlayerBulletList();
//int count = list.Count;
foreach (var bullet in list)
{
if (bullet != null && bullet.DetectCollision())
{
int nextIndex = 0;
do
{
CollisionDetectParas para = bullet.GetCollisionDetectParas(nextIndex);
RenderCollisionGraphic(para, col);
nextIndex = para.nextIndex;
} while (nextIndex != -1);
}
}
}
private bool DetectCollisionWithPlayerBullet(PlayerBulletBase bullet)
{
int nextColliderIndex = 0;
int curColliderIndex;
bool isCollided = false;
do
{
CollisionDetectParas collParas = bullet.GetCollisionDetectParas(nextColliderIndex);
curColliderIndex = nextColliderIndex;
nextColliderIndex = collParas.nextIndex;
if (collParas.type == CollisionDetectType.Circle)
{
if (MathUtil.DetectCollisionBetweenCircleAndOBB(collParas.centerPos, collParas.radius, _curPos, _halfWidth, _halfHeight, _curRotation))
{
CollidedByPlayerBullet(bullet, curColliderIndex);
isCollided = true;
}
}
} while (nextColliderIndex != -1);
return(isCollided);
}
public override CollisionDetectParas GetCollisionDetectParas(int index = 0)
{
if (!_isCachedCollisionSegments)
{
CacheCollisionSegments();
}
CollisionDetectParas paras = new CollisionDetectParas();
if (index >= _collisionSegmentsCount)
{
paras.type = CollisionDetectType.Null;
paras.nextIndex = -1;
}
else
{
int nextIndex = index + 1 >= _collisionSegmentsCount ? -1 : index + 1;
paras.type = CollisionDetectType.Circle;
paras.radius = CollisionSegmentRadius;
paras.centerPos = _collisionSegments[index];
paras.nextIndex = nextIndex;
}
return(paras);
}
public override void Update()
{
for (int i = 0; i < _triggerDataCount; i++)
{
TriggerData data = _triggerDatas[i];
if (data.triggerGroup == 0)
{
continue;
}
int listCount;
List <ObjectColliderBase> colliderList = ColliderManager.GetInstance().GetColliderList(out listCount);
ObjectColliderBase collider;
for (int j = 0; j < listCount; j++)
{
collider = colliderList[j];
// 非空，且满足触发条件
if (collider != null && ((int)collider.GetColliderGroup() & data.triggerGroup) != 0)
{
int nextColliderIndex = 0;
int curColliderIndex;
do
{
CollisionDetectParas collParas = _bullet.GetCollisionDetectParas(nextColliderIndex);
curColliderIndex = nextColliderIndex;
nextColliderIndex = collParas.nextIndex;
if (collider.DetectCollisionWithCollisionParas(collParas))
{
//InterpreterManager.GetInstance().AddPara(_bullet, LuaParaType.LightUserData);
InterpreterManager.GetInstance().AddPara(collider, LuaParaType.LightUserData);
InterpreterManager.GetInstance().AddPara(curColliderIndex, LuaParaType.Int);
InterpreterManager.GetInstance().CallLuaFunction(data.triggerFuncRef, 2, 0);
}
} while (nextColliderIndex != -1);
}
}
}
}
public void CheckHitEnemy()
{
List <EnemyBase> enemyList = EnemyManager.GetInstance().GetEnemyList();
int enemyCount = enemyList.Count;
EnemyBase enemy;
for (int i = 0; i < enemyCount; i++)
{
enemy = enemyList[i];
// 自机子弹与敌机使用方形检测
if (enemy != null && enemy.isAvailable && enemy.CanHit())
{
CollisionDetectParas paras = enemy.GetCollisionDetectParas();
if (Mathf.Abs(_curPos.x - paras.centerPos.x) <= _collisionRadius + paras.halfWidth &&
Mathf.Abs(_curPos.y - paras.centerPos.y) <= _collisionRadius + paras.halfHeight)
{
enemy.TakeDamage(GetDamage());
_hitPos = _curPos;
BeginEliminating();
break;
}
}
}
}
public virtual bool DetectCollisionWithCollisionParas(CollisionDetectParas collParas)
{
throw new System.NotImplementedException();
}