private static CollisionInfo circleToLine(GeomBase geom1, GeomBase geom2)
{
GeomCircle circle = (GeomCircle)geom1;
GeomLine line = (GeomLine)geom2;
Vector2D v1 = circle.center.clone().subtract(line.point1);
Vector2D v2 = line.vector2D;
double len = v2.length;
v2.normalize();
double u = v1.dotProd(v2);
Vector2D v0 = Vector2D.createVector();
if (u <= 0)
{
v0.copy(line.point1);
}
else if (u >= len)
{
v0.copy(line.point2);
}
else
{
v0.copy(v2.multiply(u).add(line.point1));
}
help.isHit = v0.dist(circle.center) <= circle.radius;
v0.clear();
v1.clear();
v2.clear();
return(help);
}
///得到某个单位向指定方向移动，首个需要躲避的前方友军或障碍物
public FightEntity getDodgeTarget(double aimAngle)
{
Vector2D aimDeltaV2d = Vector2D.createVector2(AIConstant.DODGE_BARRIER_RADIUS, aimAngle);
new GeomCircle(null, int.MaxValue);
GeomBase geom = new GeomCircle(null, int.MaxValue);
geom.parseData(new object[] { this._aiPlayer.player.shape.radius + AIConstant.DODGE_BARRIER_RADIUS });
geom.position.copy(aimDeltaV2d.add(_aiPlayer.player.position));
geom.applyEntity = false;
// Collision.createGeom(this._aiPlayer.player, ( new object[] { this._aiPlayer.player.shape.radius} ));
// geom.position.copy (aimDeltaV2d.add(_aiPlayer.player.position));
aimDeltaV2d.clear();
// List<FightEntity> fightList = this.map.getFightEntitysByRange (geom,new List<int> { ConfigConstant.ENTITY_PLAYER},FightEntity.getPureAllyTeamFilter,-1);
List <BarrierEntity> barrierList = this._map.getFightEntitysByRange(geom, new List <int> {
ConfigConstant.ENTITY_BARRIER
}, null, 0).ConvertAll <BarrierEntity>((e) => { return(e as BarrierEntity); });
if (barrierList.Count > 0)
{
return(barrierList [0]);
}
else
{
return(null);
}
}
/// <summary>
/// Builds a circle with the parameters passed and extracts a point locted on the circle
/// </summary>
protected static gpPnt GetPointOnCircle(gpAx1 axis, double radius, gpTrsf trsf)
{
var centerCoord = new gpAx2();
centerCoord.Axis = (axis);
var circle = new GeomCircle(centerCoord, radius);
// Get the first point on the circle's parametric curve
return(circle.Value(circle.FirstParameter));//.Transformed(trsf);
}
private static CollisionInfo circleToSector(GeomBase geom1, GeomBase geom2)
{
GeomCircle circle = (GeomCircle)geom1;
GeomSector sector = (GeomSector)geom2;
GeomLine line1 = sector.line1;
GeomLine line2 = sector.line2;
//这个因为有需求所以就这么直接写一下了。
bool result = !(0 != sector.inRadius && sector.center.dist(circle.center) <= sector.inRadius /* + circle.radius*/) && //不能在内圆
((line1.checkPoint(circle.center) >= 0 && line2.checkPoint(circle.center) <= 0) || //在夹角内
circleToLine(circle, line1).isHit || circleToLine(circle, line2).isHit); //或者与线相交
help.isHit = result;
return(help);
}
private static CollisionInfo circleToRect(GeomBase geom1, GeomBase geom2)
{
GeomCircle circle = (GeomCircle)geom1;
GeomRect rect = (GeomRect)geom2;
Vector2D unRotated = circle.center.clone().subtract(rect.center);
unRotated.angle -= rect.angle;
unRotated = unRotated.add(rect.center);
Vector2D closest = Vector2D.createVector();
if (unRotated.x < rect.x)
{
closest.x = rect.x;
}
else if (unRotated.x > rect.right)
{
closest.x = rect.right;
}
else
{
closest.x = unRotated.x;
}
if (unRotated.y < rect.y)
{
closest.y = rect.y;
}
else if (unRotated.y > rect.bottom)
{
closest.y = rect.bottom;
}
else
{
closest.y = unRotated.y;
}
help.isHit = unRotated.dist(closest) < circle.radius;
unRotated.clear();
closest.clear();
return(help);
}
public static ComplexGeometry ExecuteStages(Point centerLocation)
{
var finalGeometry = new List <Geometry>();
var pointsList = GeomPoint.CreatePoints();
finalGeometry.Add(pointsList);
var linesList = GeomLine.CreateLines(pointsList);
finalGeometry.Add(linesList);
var ellipse = GeomEllipse.CreateEllipse(linesList);
finalGeometry.Add(ellipse);
var circle = GeomCircle.CreateCircle(ellipse);
finalGeometry.Add(circle);
var boundingBox = GeomBoundingBox.CreateBoundingBox(ellipse);
finalGeometry.Add(boundingBox);
return(finalGeometry);
}
public static GeomBase createGeom(FightEntity entity, object[] datas, object[] offset = null)
{
GeomBase result = null;
switch (datas.Length)
{
case 1:
result = new GeomCircle(entity.map);
break;
case 2:
result = new GeomRect(entity.map);
break;
case 3:
case 4:
result = new GeomSector(entity.map);
break;
}
result.entity = entity;
result.parseData(datas, offset);
return(result);
}
private void circleToolStripMenuItem_Click(object sender, EventArgs e)
{
SelectedShapeQuery query = new SelectedShapeQuery();
renderView.QuerySelection(query);
var shape = query.GetSubGeometry();
if (shape == null)
{
return;
}
GeomCurve curve = new GeomCurve();
if (!curve.Initialize(shape))
{
return;
}
if (curve.GetCurveType() != EnumCurveType.CurveType_Circle)
{
var xx = curve.FirstParameter() + curve.LastParameter();
Vector3 pt1 = curve.Value(curve.FirstParameter());
Vector3 pt2 = curve.Value(xx * 0.3);
Vector3 pt3 = curve.Value(xx * 0.6);
var arc = GlobalInstance.BrepTools.MakeArc3Pts(pt1, pt3, pt2);
if (arc != null)
{
GeomCircle circle = new GeomCircle();
circle.Initialize(arc);
var center = circle.GetCenter();
MessageBox.Show(String.Format("Center: {0}, {1}, {2}", center.X, center.Y, center.Z));
}
}
}