private CollBase GetOperaColliderInfo(ColliderInfo colliderInfo)
{
CollBase collider = null;
float startX = SkillPlayer.MovePos.x + colliderInfo.StartX;
float startZ = SkillPlayer.MovePos.z + colliderInfo.StartZ;
float angle = colliderInfo.StartAngle;
if (colliderInfo.CollPosType == CollBase.PosType.SKILL || colliderInfo.CollPosType == CollBase.PosType.SKILL_ROTATE)
{
startX = Command.TargetPos.x + colliderInfo.StartX;
startZ = Command.TargetPos.z + colliderInfo.StartZ;
//附加操作旋转
if (colliderInfo.CollPosType == CollBase.PosType.SKILL_ROTATE)
{
// 方向盘角度 与场景角度差异修正 修正符号(场景y轴 逆时针旋转 与方向盘顺时针旋转 一致)
angle = Mathf.Atan2(-Command.SkillDir.z, Command.SkillDir.x) * Mathf.Rad2Deg + colliderInfo.StartAngle;
}
}
switch (colliderInfo.ColliderType)
{
case CollBase.ColType.RECTANGLE:
collider = new CollRectange(startX, startZ, angle, colliderInfo.Width, colliderInfo.Height);
break;
case CollBase.ColType.SECTOR:
collider = new CollSector(startX, startZ, angle, colliderInfo.InCircle, colliderInfo.OutCircle, colliderInfo.Angle);
break;
default:
collider = new CollRadius(startX, startZ, angle, colliderInfo.Radius);
break;
}
return(collider);
}
//矩形与扇形(分离轴 三角形碰撞)
public static bool RectangleToSector(CollRectange CollA, CollSector CollB)
{
//长轴距离过滤
if (Vector2.Distance(CollA.GetV2Pos(), CollB.GetV2Pos()) > CollB.outCircle + CollA.GetLength())
{
return(false);
}
//扇形两个顶点
float angle = CollB.angle + CollB.GetCalRotate();
float x1 = CollB.x + Mathf.Cos(angle * 0.5f * Mathf.Deg2Rad);
float y1 = CollB.y + Mathf.Sin(angle * 0.5f * Mathf.Deg2Rad);
float x2 = CollB.x + Mathf.Cos(-angle * 0.5f * Mathf.Deg2Rad);
float y2 = CollB.y + Mathf.Sin(-angle * 0.5f * Mathf.Deg2Rad);
//三角形三个顶点
Vector2[] secPos = new Vector2[] { CollB.GetV2Pos(), new Vector2(x1, y1), new Vector2(x2, y2) };
//三角形三条中轴
//Vector2[] secAxies = new Vector2[] { GetV2Nor(secPos[0] - secPos[1]), GetV2Nor(secPos[0] - secPos[2]), GetV2Nor(secPos[1] - secPos[2]) };
//矩形四个顶点
float rectR = CollA.extents.magnitude;
float rotate = Mathf.Atan((CollA.width * 0.5f) / (CollA.height * 0.5f)) * Mathf.Rad2Deg + CollA.GetCalRotate();
float x = Mathf.Cos(rotate) * rectR;
float y = Mathf.Sin(rotate) * rectR;
Vector2[] rectPos = new Vector2[] {
new Vector2(CollA.x + x, CollA.y + y),
new Vector2(CollA.x + x, CollA.y - y),
new Vector2(CollA.x - x, CollA.y + y),
new Vector2(CollA.x - x, CollA.y - y)
};
//矩形中轴
//Vector2[] rectAxies = new Vector2[] { GetV2Nor(secPos[0] - secPos[1]), GetV2Nor(secPos[0] - secPos[3]), GetV2Nor(secPos[1] - secPos[2]),GetV2Nor(secPos[2] - secPos[3]) };
Vector2[] axises = new Vector2[] {
GetV2Nor(secPos[0] - secPos[1]), GetV2Nor(secPos[0] - secPos[2]), GetV2Nor(secPos[1] - secPos[2]),
GetV2Nor(secPos[0] - secPos[1]), GetV2Nor(secPos[0] - secPos[3]), GetV2Nor(secPos[1] - secPos[2]), GetV2Nor(secPos[2] - secPos[3])
};
for (int i = 0, len = axises.Length; i < len; i++)
{
var axis = axises[i];
Vector2 proA = GetProjection(axis, secPos);
Vector2 proB = GetProjection(axis, rectPos);
if (IsOverlay(proA, proB))
{
return(false);
}
}
return(true);
}
private static Mesh CreateSectorMesh(CollBase collider)
{
CollSector coll = collider as CollSector;
float insideRaius = coll.inCircle;
float radius = coll.outCircle;
int segment = 60;
float angleDegree = coll.angle;
Mesh mesh = new Mesh();
int vlen = segment * 2 + 2;
Vector3[] vertices = new Vector3[vlen];
float angle = Mathf.Deg2Rad * angleDegree;
float currAngle = angle / 2;
float deltaAngle = angle / segment;
for (int i = 0; i < vlen; i += 2)
{
float cosA = Mathf.Cos(currAngle);
float sinA = Mathf.Sin(currAngle);
vertices[i] = new Vector3(cosA * insideRaius, 0, sinA * insideRaius);
vertices[i + 1] = new Vector3(cosA * radius, 0, sinA * radius);
currAngle -= deltaAngle;
}
int tlen = segment * 6;
int[] triangles = new int[tlen];
for (int i = 0, vi = 0; i < tlen; i += 6, vi += 2)
{
triangles[i] = vi;
triangles[i + 1] = vi + 1;
triangles[i + 2] = vi + 3;
triangles[i + 3] = vi + 3;
triangles[i + 4] = vi + 2;
triangles[i + 5] = vi;
}
mesh.vertices = vertices;
mesh.triangles = triangles;
return(mesh);
}
//圆与扇形 (暂时不做扇形内圆过滤 如有必需 多算一次小扇形是否相交)
public static bool RadiusToSector(CollRadius CollA, CollSector CollB)
{
//长轴距离过滤
if (Vector2.Distance(CollA.GetV2Pos(), CollB.GetV2Pos()) > CollB.outCircle + CollA.Radius)
{
return(false);
}
//扇形最远点 即中轴与x轴夹角 （不做旋转时 扇形对称分布 夹角0）
float angle = CollB.GetCalRotate();
float cosA = Mathf.Cos(angle * Mathf.Deg2Rad);
float sinA = Mathf.Sin(angle * Mathf.Deg2Rad);
//计算最远点坐标
float x2 = CollB.x + cosA * CollB.outCircle;
float y2 = CollB.y + sinA * CollB.outCircle;
float theta = CollB.angle * Mathf.Deg2Rad;
return(IsCircleIntersectFan(CollA.x, CollA.y, CollA.Radius, CollB.x, CollB.y, x2, y2, theta));
}
//扇形与扇形
public static bool SectorToSector(CollSector CollA, CollSector CollB)
{
return(false);
}
