/// <summary>
/// 頂点の設定。始点と終点が結ばれていること
/// </summary>
public void SetVertices(List <Vector2> vertices, Color color)
{
//包括矩形から原点からのオフセットを求め適用する
Rect rect = GeomUtil.CalculateRect(vertices);
for (int i = 0; i < vertices.Count; ++i)
{
vertices[i] -= rect.center;
}
this.vertices = vertices;
//座標をずらす
transform.localPosition = rect.center;
//改めて包括矩形を求める
inclusionRect = GeomUtil.CalculateRect(vertices);
//ポリゴンの生成
//末尾を削除(一時的)
vertices.RemoveAt(vertices.Count - 1);
polygon = new ConcavePolygon(vertices);
//末尾に先頭を追加
vertices.Add(vertices[0]);
//簡易メッシュの確保
drawEMesh = polygon.ToEasyMesh(color);
subEMesh = polygon.ToEasyMesh(color);
//描画用メッシュの領域確保
drawEMeshes = new EasyMesh[2];
//色
SetPolygonColor(color);
draw = true;
}
internal void SetupDrawCall(Camera cam)
{
if (UseFrustumCulling)
{
GeomUtil.CalculateFrustumPlanes(s_planes, Camera.current.projectionMatrix * Camera.current.worldToCameraMatrix);
isVisible |= GeometryUtility.TestPlanesAABB(s_planes, Bounds);
}
if (!SystemComp.enabled || SystemComp.ParticleCount == 0)
{
return;
}
//Setup proper size mult depending on camera ortho size
if (isPixelSize)
{
var pixelMult = Mathf.Max(1.0f / Screen.width, 1.0f / Screen.height);
if (cam.orthographic)
{
pixelMult *= cam.orthographicSize * 2.0f;
}
m_cacheMaterial.SetVector(SID._PixelMult, new Vector4(pixelMult, cam.orthographic ? 0.0f : 1.0f));
}
else
{
m_cacheMaterial.SetVector(SID._PixelMult, new Vector4(1.0f, 0.0f));
}
//Setup DrawM
Bounds bounds = UseFrustumCulling ? _bounds : new Bounds(Vector3.zero, Vector3.one * 10000);
var layer = SystemComp.gameObject.layer;
Graphics.DrawMeshInstancedIndirect(m_particleMesh, 0, m_cacheMaterial, bounds, m_argsBuffer, 0, null, CastShadows, ReceiveShadows, layer, cam);
}
public int Overlap(ICollection <Collider> results, int layerMask, QueryTriggerInteraction query)
{
if (results == null)
{
throw new System.ArgumentNullException("results");
}
using (var set = TempCollection.GetSet <Collider>())
{
foreach (var c in _colliders)
{
GeomUtil.GetGeom(c).Overlap(set, layerMask, query);
}
if (set.Count > 0)
{
var e = set.GetEnumerator();
while (e.MoveNext())
{
results.Add(e.Current);
}
return(set.Count);
}
}
return(0);
}
/// <summary>
/// Transforms local rect to global
/// </summary>
public Rect LocalToGlobal(Rect rect)
{
Rect result;
GeomUtil.GetBounds(ref rect, ref compositeMatrix, out result);
return(result);
}
/// <summary>
/// 頂点の設定
/// </summary>
public void SetVertices(List <Vector2> vertices)
{
//包括矩形から原点からのオフセットを求め適用する
Rect rect = GeomUtil.CalculateRect(vertices);
for (int i = 0; i < vertices.Count; ++i)
{
vertices[i] -= rect.center;
}
this.vertices = vertices;
//座標をずらす
transform.localPosition = rect.center;
//改めて包括矩形を求める
inclusionRect = GeomUtil.CalculateRect(vertices);
//ポリゴンの生成
vertices.RemoveAt(vertices.Count - 1); //末尾を一時的に削除
polygon = new ConcavePolygon(vertices);
vertices.Add(vertices[0]); //末尾に始点を追加
//簡易メッシュの確保
drawEMesh = polygon.ToEasyMesh(polygonColor);
targetColorEMesh = polygon.ToEasyMesh(polygonColor);
//描画用簡易メッシュ領域の確保
eMeshes = new EasyMesh[2];
//コールバック
onVertexChanged.Invoke(this);
draw = true;
}
// Update is called once per frame
void Update()
{
if (null != OrgTran && null != TargetTran)
{
InFront = GeomUtil.Match_InFront(OrgTran.position, TargetTran.position);
}
}
public override bool Snap(Vector2 input, out Vector2 output)
{
float angle = GeomUtil.TwoPointAngle(point, input);
//最も近い放射角度を求める
float nearAngle = 0f;
float halfDelta = deltaAngle * 0.5f;
for (int i = 0; i < angles.Length; ++i)
{
if ((angles[i] - halfDelta) < angle && angle < (angles[i] + halfDelta))
{
nearAngle = angles[i];
break;
}
}
//線上の射影からスナップ座標を求める
Vector2 p, q;
p = GeomUtil.DegToVector2(nearAngle);
q = input - point;
float dot = GeomUtil.Dot(p, q);
float projection = dot / p.magnitude; //射影距離
output = p.normalized * projection + point;
//スナップ座標との距離を測る
if ((output - input).magnitude <= snapForce)
{
return(true);
}
else
{
return(false);
}
}
public Rect GetChildrenBounds()
{
var resultBounds = new Rect();
var firstChild = true;
foreach (var child in _children)
{
if (!child.visible)
{
continue;
}
var childBounds = child.GetLocalBounds();
if (firstChild)
{
firstChild = false;
resultBounds = childBounds;
}
else
{
GeomUtil.UnionRect(ref resultBounds, ref childBounds, out resultBounds);
}
}
return(resultBounds);
}
///判断一个点是不是在一个多边形内，可以支持非凸多边形
///已知点P，和参考点O，点O在多边形之外，如果OP与多边行的每个边有奇数个交点，那么P在多边形内部，否则，P在多边形外部
public static bool PointInsidePolygon(Vector2[] polyPoints, Vector2 point)
{
float xMin = 0;
for (int i = 0; i < polyPoints.Length; i++)
{
xMin = Mathf.Min(xMin, polyPoints[i].x);
}
Vector2 origin = new Vector2(xMin - 0.1f, point.y);
int intersections = 0;
for (int i = 0; i < polyPoints.Length; i++)
{
Vector2 pA = polyPoints[i];
Vector2 pB = polyPoints[(i + 1) % polyPoints.Length];
if (GeomUtil.SegmentsCross(origin, point, pA, pB))
{
intersections++;
}
}
return((intersections & 1) == 1);
}
public int CastAll(Vector3 direction, ICollection <RaycastHit> results, float distance, int layerMask, QueryTriggerInteraction query)
{
if (results == null)
{
throw new System.ArgumentNullException("results");
}
using (var set = TempCollection.GetSet <RaycastHit>())
{
foreach (var c in _colliders)
{
GeomUtil.GetGeom(c).CastAll(direction, set, distance, layerMask, query);
}
if (set.Count > 0)
{
var e = set.GetEnumerator();
while (e.MoveNext())
{
results.Add(e.Current);
}
return(set.Count);
}
}
return(0);
}
/// <summary>
/// 擬似半平面の作成
/// </summary>
public ConvexPolygon Execute(Line line, Vector2 exsample)
{
//lineと各境界線の交差を調べる
Vector2 p1 = Vector2.zero;
bool i1 = border1.GetIntersectionPoint(line, ref p1);
Vector2 p2 = Vector2.zero;
bool i2 = border2.GetIntersectionPoint(line, ref p2);
Vector2 p3 = Vector2.zero;
bool i3 = border3.GetIntersectionPoint(line, ref p3);
List <Vector2> vertices = new List <Vector2>();
//lineが境界線1及び2と交差する場合
if (i1 && i2 && Vector2.Distance(p1, p2) >= distanceThreshold)
{
//lineが境界線1及び2と交差する場合
if (GeomUtil.CCW(p1, boundary2, p2) * GeomUtil.CCW(p1, exsample, p2) > 0f)
{
//境界線2とexsampleがlineから見て同じ側にあるなら
//境界点2を含む方の切断後頂点リストを生成
AddVertices(vertices, p1, boundary2, p2);
}
else
{
//境界点2を含まない方の切断後頂点リストを生成
AddVertices(vertices, p1, p2, boundary3, boundary1);
}
}
else if (i2 && i3 && Vector2.Distance(p2, p3) >= distanceThreshold)
{
//lineが境界線2及び3と交差する場合
if (GeomUtil.CCW(p2, boundary3, p3) * GeomUtil.CCW(p2, exsample, p3) > 0f)
{
AddVertices(vertices, p2, boundary3, p3);
}
else
{
AddVertices(vertices, p2, p3, boundary1, boundary2);
}
}
else if (i3 && i1 && Vector2.Distance(p3, p1) >= distanceThreshold)
{
//lineが境界線3及び1と交差する場合
if (GeomUtil.CCW(p3, boundary1, p1) * GeomUtil.CCW(p3, exsample, p1) > 0f)
{
AddVertices(vertices, p3, boundary1, p1);
}
else
{
AddVertices(vertices, p3, p1, boundary2, boundary3);
}
}
else
{
throw new ArgumentException();
}
//頂点リストから凸多角形を生成して返す
return(new ConvexPolygon(vertices));
}
/// <summary>
/// スプライトの更新
/// </summary>
private void UpdateSprite()
{
if (!circle.Processing)
{
return;
}
if (!lerpSprite)
{
return;
}
//座標の調整
float centerAngle = (circle.NowEnd - circle.NowStart) * 0.5f + circle.NowStart;
float radiusRange = (circle.NowOuter - circle.NowInner);
float centerRadius = radiusRange * 0.5f + circle.NowInner;
Vector3 pos = GeomUtil.DegToVector2(centerAngle) * centerRadius;
pos.z = transform.localPosition.z - 1f;
//lerpSpriteは自身のローカルにいること?
lerpSprite.transform.localPosition = pos;
//大きさの調整
if (adjustSpriteScale)
{
Vector2 size = lerpSprite.Target.sprite.bounds.size;
float scale = radiusRange / size.magnitude;
lerpSprite.transform.localScale = Vector2.one * (scale * adjustScale);
}
}
public override void DrawArc(double x1, double y1, double x2, double y2, double bulge)
{
if (thinlinemode != ThinLineModeFlag.OwnThinLines)
{
base.DrawArc(x1, y1, x2, y2, bulge);
return;
}
stipplebit = 0x8000;
int clipres = Clipper.ClipArc(x1, y1, x2, y2, bulge, clipbuffer, clipMinX, clipMinY, clipMaxX, clipMaxY);
for (int idx = 0; idx < clipres; idx += 5)
{
int cx = GFXUtil.FloatToInt(clipbuffer[idx]), cy = GFXUtil.FloatToInt(clipbuffer[idx + 1]), nx, ny;
GeomUtil.FlattenArc(clipbuffer[idx], clipbuffer[idx + 1], clipbuffer[idx + 2], clipbuffer[idx + 3], clipbuffer[idx + 4], false, flattentol, (x, y, moveto) =>
{
nx = GFXUtil.FloatToInt(x);
ny = GFXUtil.FloatToInt(y);
Line_Internal(cx, cy, nx, ny, x2 == x && y2 == y); //set last point if last segment
cx = nx;
cy = ny;
});
}
}
/// <summary>
/// Returns global bounds of this object
/// </summary>
public virtual Rect GetGlobalBounds()
{
Rect result;
var bounds = GetInternalBounds();
GeomUtil.GetBounds(ref bounds, ref compositeMatrix, out result);
return(result);
}
public static bool CheckValueInSystem2Hidden(List <double> values, List <double> inputs)
{
if (GeomUtil.IsEqual(inputs[0] * values[0] + inputs[1] * values[1] + inputs[2], 0))
{
return(true);
}
return(false);
}
/// <summary>
/// Transforms global rect to local
/// </summary>
public Rect GlobalToLocal(Rect rect)
{
Rect result;
Matrix4x4 invMatrix;
MatrixUtil.Inverse(ref compositeMatrix, out invMatrix);
GeomUtil.GetBounds(ref rect, ref invMatrix, out result);
return(result);
}
private void Update()
{
Vector2 direction = lineEnd.position - lineStart.position;
//GeomUtil.Ray2DIntersectCircle(lineStart.position, direction, circleCenter.position, radius, out m_intersection1, out m_intersection2);
int intersectionCount = GeomUtil.LineSegmentIntersectCircle(lineStart.position, lineEnd.position, circleCenter.position, radius, out m_intersection1, out m_intersection2);
Debug.Log("线段与圆交点的数量：" + intersectionCount);
}
/// <summary>
/// Returns bounds of this object in the parent container
/// </summary>
public virtual Rect GetLocalBounds()
{
Rect result;
Matrix4x4 localMatrix;
var bounds = GetInternalBounds();
MatrixUtil.Create2D(ref _scale, _rotation, ref _position, out localMatrix);
GeomUtil.GetBounds(ref bounds, ref localMatrix, out result);
return(result);
}
public PosOri GetInterpPoint(float t)
{
var point = GetPoint(multiplier, length, t);
var dir = GetTangent(multiplier, length, t);
var upVector = -Vector3.Cross(dir, Vector3.forward);
upVector = Vector3.up;
var quat = GeomUtil.GetQuatFromDir(dir, upVector);
return(new PosOri(point, quat));
}
public bool TestOverlap(int layerMask, QueryTriggerInteraction query)
{
foreach (var c in _colliders)
{
if (GeomUtil.GetGeom(c).TestOverlap(layerMask, query))
{
return(true);
}
}
return(false);
}
public bool Cast(Vector3 direction, out RaycastHit hitinfo, float distance, int layerMask, QueryTriggerInteraction query)
{
foreach (var c in _colliders)
{
if (GeomUtil.GetGeom(c).Cast(direction, out hitinfo, distance, layerMask, query))
{
return(true);
}
}
hitinfo = default(RaycastHit);
return(false);
}
public PosOri GetInterpPoint(float t)
{
var point = GetPoint(rx, ry, t);
var dir = GetTangent(rx, ry, t);
var upVector = -Vector3.Cross(dir, Vector3.forward);
var quat = GeomUtil.GetQuatFromDir(dir, upVector);
//Quaternion.LookRotation(dir, Vector3.up);
//if (t < 0.5f)
// quat = Quaternion.LookRotation(dir, Vector3.down);
return(new PosOri(point, quat));
}
public Autodesk.Revit.DB.Line drivingLine(Element wall)
{
LocationCurve lc = wall.Location as LocationCurve; Curve c = lc.Curve;
Autodesk.Revit.DB.Parameter boP = wall.LookupParameter("Base Offset");
c = GeomUtil.OffsetCurve(c, XYZ.BasisZ, boP.AsDouble());
List <XYZ> ps = new List <XYZ> {
c.GetEndPoint(0), c.GetEndPoint(1)
};
ps.Sort(new ZYXComparer());
return(Autodesk.Revit.DB.Line.CreateBound(ps[0], ps[1]));
}
/// <summary> 获取最近点的索引，如果点列表长度为0时，则返回-1。 </summary>
private int GetClosestPointIndex()
{
int closestIndex = -1;
Vector3[] vertices = TransformUtil.CovertTransformsToVertices(m_points);
var polyLine = GeomUtil.GetClosestPolyLineToPoint(transform.position, vertices, m_isClosed);//获取距离当前点最近的边
if (polyLine.startIndex > -1 && polyLine.endIndex > -1)
{
closestIndex = m_isReverseOnStart ? polyLine.startIndex : polyLine.endIndex;
}
return(closestIndex);
}
/// <summary>
/// 初期化
/// </summary>
private void Initialize(List <Vector2> points)
{
int size = points.Count;
//角数が3未満の場合はエラー
if (size < 3)
{
throw new ArgumentException();
}
this.vertices = points;
//凸性判定
float baseCCW = 0f;
for (int i = 0; i < size; ++i)
{
Vector2 p0 = points[i];
Vector2 p1 = points[(i + 1) % size];
Vector2 p2 = points[(i + 2) % size];
//CCW値の計算
float ccw = GeomUtil.CCW(p0, p1, p2);
if (baseCCW == 0f && ccw != 0f)
{
baseCCW = ccw;
}
if (ccw * baseCCW < 0)
{
throw new ArgumentException("Polygon is not convex.");
}
}
if (baseCCW > 0f)
{
rotation = Rotation.CCW;
}
else
{
rotation = Rotation.CW;
}
//線分の登録
edges = new List <LineSegment>();
for (int i = 0; i < size; ++i)
{
Vector2 p1 = points[i];
Vector2 p2 = points[(i + 1) % size]; //p1の次の頂点
//2つ頂点から辺の線分を作成して登録
edges.Add(new LineSegment(p1, p2));
}
}
/// <summary>
/// 初期化
/// </summary>
private void Initialize(List <Vector2> points)
{
int size = points.Count;
//角数が3未満の場合はエラー
if (size < 3)
{
throw new ArgumentException();
}
//最も遠い座標のインデックスを求める
int index = 0;
float maxDistance = 0f;
float distance = 0f;
for (int i = 0; i < size; ++i)
{
distance = points[i].magnitude;
if (distance > maxDistance)
{
maxDistance = distance;
index = i;
}
}
mostFarIndex = index;
//最も遠い座標の外積を求める
Vector2 p0 = points[(index + (size - 1)) % size];
Vector2 p1 = points[index];
Vector2 p2 = points[(index + 1) % size];
mostFarCross = GeomUtil.CCW(p0, p1, p2);
//頂点リストの作成
vertices = new List <PolygonVertex>();
for (int i = 0; i < size; ++i)
{
p0 = points[(i + (size - 1)) % size];
p1 = points[i];
p2 = points[(i + 1) % size];
float cross = GeomUtil.CCW(p0, p1, p2);
float angle = GeomUtil.TwoVectorAngle(p1, p0, p2);
if (cross * mostFarCross < 0f)
{
angle = 360f - angle;
}
vertices.Add(new PolygonVertex(p1, angle, i));
}
}
public override void DrawEllipticArc(double cx, double cy, double aradius, double bradius, double tilt, double startangle, double sweepangle)
{
if (thinlinemode != ThinLineModeFlag.OwnThinLines)
{
base.DrawEllipticArc(cx, cy, aradius, bradius, tilt, startangle, sweepangle);
return;
}
/* stipplebit = 0x8000;
*
* int px=0,py=0,nx,ny;
* bool first = true;
*
* GeomUtil.FlattenEllipticArc(cx, cy, aradius, bradius, tilt, startangle, sweepangle, flattentol, true, (x, y,moveto) =>
* {
* nx = GFXUtil.RealToInt(x);
* ny = GFXUtil.RealToInt(y);
* if (!first)
* Line_Internal(px, py, nx, ny, true); //TODO: can we skip last pixel except on last segment?
* else
* first = false;
*
*
* px = nx;
* py = ny;
* });*/
int px = 0, py = 0, nx, ny;
int num = Clipper.ClipEllipticArc(cx, cy, aradius, bradius, tilt, startangle, sweepangle, clipbuffer, clipMinX, clipMinY, clipMaxX, clipMaxY);
for (int l = 0; l < num; l += 2)
{
stipplebit = 0x8000;
GeomUtil.FlattenEllipticArc(cx, cy, aradius, bradius, tilt, clipbuffer[l], clipbuffer[l + 1] - clipbuffer[l], flattentol, true, (x, y, moveto) =>
{
nx = GFXUtil.FloatToInt(x);
ny = GFXUtil.FloatToInt(y);
if (!moveto)
{
Line_Internal(px, py, nx, ny, true); //TODO: can we skip last pixel except on last segment?
}
px = nx;
py = ny;
});
}
}
public List <Vector3> Generate(float multiplier, float length, Vector3 pos, Quaternion rot, int segments)
{
var verts = new List <Vector2>();
float stepSize = length / segments;
for (int i = 0; i < segments; i++)
{
float x = i * stepSize;
float y = amplitude * Mathf.Sin(2 * multiplier * i * stepSize * Mathf.PI);
verts.Add(new Vector2(x, y));
}
return(GeomUtil.GetTFVerts(verts.ToArray(), pos, rot));
}
public List <Vector3> Generate(float rx, float ry, Vector3 pos, Quaternion rot, int segments)
{
var verts = new List <Vector2>();
float stepSize = 2 * Mathf.PI / segments;
for (int i = 0; i < segments; i++)
{
float x = rx * Mathf.Cos(i * stepSize);
float y = ry * Mathf.Sin(i * stepSize);
verts.Add(new Vector2(x, y));
}
return(GeomUtil.GetTFVerts(verts.ToArray(), pos, rot));
}
void Update()
{
//bool intersect = GeomUtil.GetTwoLineIntersection(lineStart1.position,lineEnd1.position, lineStart2.position, lineEnd2.position, out Vector3 intersectionPoint, out float t1, out float t2);
bool intersect = GeomUtil.GetTwoLineSegmentsIntersection(lineStart1.position, lineEnd1.position, lineStart2.position, lineEnd2.position, out Vector3 intersectionPoint, out float t1, out float t2);
if (intersect)
{
intersection.position = intersectionPoint;
Debug.Log($"t1:{t1}, t2:{t2}");
}
else
{
intersection.position = Vector3.zero;
}
}