/// <summary>
/// �ж�ָ����С�����������Ƿ��ཻ
/// </summary>
///
/// <param name="rectA"></param>
/// <param name="dataA"></param>
/// <param name="rectB"></param>
/// <param name="dataB"></param>
/// <returns></returns>
public static bool Intersect(RectBox rectA, int[] dataA, RectBox rectB,
int[] dataB)
{
int top = (int)Loon.Utils.MathUtils.Max(rectA.GetY(), rectB.GetY());
int bottom = (int)Loon.Utils.MathUtils.Min(rectA.GetBottom(), rectB.GetBottom());
int left = (int)Loon.Utils.MathUtils.Max(rectA.GetX(), rectB.GetX());
int right = (int)Loon.Utils.MathUtils.Min(rectA.GetRight(), rectB.GetRight());
for (int y = top; y < bottom; y++)
{
for (int x = left; x < right; x++)
{
int colorA = dataA[(int)((x - rectA.x) + (y - rectA.y)
* rectA.width)];
int colorB = dataB[(int)((x - rectB.x) + (y - rectB.y)
* rectB.width)];
if ((int)(((uint)colorA) >> 24) != 0 && (int)(((uint)colorB) >> 24) != 0)
{
return true;
}
}
}
return false;
}
private bool Intersects(RectBox other) {
RectBox box = other;
Circle circle = this;
if (box.Contains(x + radius, y + radius)) {
return true;
}
float x1 = box.GetX();
float y1 = box.GetY();
float x2 = box.GetX() + box.GetWidth();
float y2 = box.GetY() + box.GetHeight();
Line[] lines = new Line[4];
lines[0] = new Line(x1, y1, x2, y1);
lines[1] = new Line(x2, y1, x2, y2);
lines[2] = new Line(x2, y2, x1, y2);
lines[3] = new Line(x1, y2, x1, y1);
float r2 = circle.GetRadius() * circle.GetRadius();
Vector2f pos = new Vector2f(circle.GetCenterX(), circle.GetCenterY());
for (int i = 0; i < 4; i++) {
float dis = lines[i].DistanceSquared(pos);
if (dis < r2) {
return true;
}
}
return false;
}
public LObjectCamera(RectBox r, object f, int width, int height,
int horBorderPixel_0, int vertBorderPixel_1, Vector2f maxSpeed_2)
{
this.cameraX = 0;
this.cameraY = 0;
this.renderWidth = width;
this.renderHeight = height;
this.follow = new Bind(f);
this.horBorderPixel = horBorderPixel_0;
this.vertBorderPixel = vertBorderPixel_1;
this.maxSpeed = maxSpeed_2;
if (follow != null)
{
this.cameraX = follow.GetX() - (this.renderWidth / 2);
this.cameraY = follow.GetY() - (this.renderHeight / 2);
}
this.cameraRect = r;
this.visibleRect = new RectBox(cameraX - horBorderPixel_0, cameraY
- vertBorderPixel_1, renderWidth + horBorderPixel_0, renderHeight
+ vertBorderPixel_1);
this.moveRect = new RectBox(cameraX - horBorderPixel_0, cameraY
- vertBorderPixel_1, renderWidth + horBorderPixel_0, renderHeight
+ vertBorderPixel_1);
this.UpdateCamera();
}
public static void CalculateBounds(Vector2f[] vertices, RectBox bounds)
{
bounds.x = System.Single.MaxValue;
bounds.y = System.Single.MaxValue;
bounds.width = (int)-System.Int32.MaxValue;
bounds.height = (int)-System.Int32.MaxValue;
for (int i = 0; i < vertices.Length; i++)
{
Vector2f v = vertices[i];
if (v.x < bounds.x)
{
bounds.x = v.x;
}
if (v.y < bounds.y)
{
bounds.y = v.y;
}
if (v.x > bounds.x + bounds.width)
{
bounds.width = (int)(v.x - bounds.x);
}
if (v.y > bounds.y + bounds.height)
{
bounds.height = (int)(v.y - bounds.y);
}
}
}
public void Copy(RectBox other)
{
this.x = other.x;
this.y = other.y;
this.width = other.width;
this.height = other.height;
}
public EmulatorButton(LTexture img, int w, int h, int x, int y,
bool flag, int sizew, int sizeh)
{
this.color = new LColor(LColor.gray.R, LColor.gray.G,
LColor.gray.B, 125);
img.LoadTexture();
if (flag)
{
this.bitmap = img.GetSubTexture(x, y, w, h);
}
else
{
this.bitmap = img;
}
if (bitmap.GetWidth() != sizew || bitmap.GetHeight() != sizeh)
{
LTexture tmp = bitmap;
this.bitmap = bitmap.Scale(sizew, sizeh);
if (tmp != null)
{
tmp.Dispose();
tmp = null;
}
}
this.bounds = new RectBox(0, 0, bitmap.GetWidth(), bitmap.GetHeight());
}
public static LNFollow Action(LNNode followedNode, RectBox rect) {
LNFollow follow = new LNFollow();
follow._followedNode = followedNode;
follow._boundarySet = true;
follow._boundaryFullyCovered = false;
follow.winRect = LSystem.screenRect;
follow.fullScreenSize = new Vector2f(follow.winRect.width,
follow.winRect.height);
follow.halfScreenSize = follow.fullScreenSize.Mul(0.5f);
follow.leftBoundary = -((rect.x + rect.width) - follow.fullScreenSize.x);
follow.rightBoundary = -rect.x;
follow.topBoundary = -rect.y;
follow.bottomBoundary = -((rect.y + rect.height) - follow.fullScreenSize.y);
if (follow.rightBoundary < follow.leftBoundary) {
follow.rightBoundary = follow.leftBoundary = (follow.leftBoundary + follow.rightBoundary) / 2;
}
if (follow.topBoundary < follow.bottomBoundary) {
follow.topBoundary = follow.bottomBoundary = (follow.topBoundary + follow.bottomBoundary) / 2;
}
if ((follow.topBoundary == follow.bottomBoundary)
&& (follow.leftBoundary == follow.rightBoundary)) {
follow._boundaryFullyCovered = true;
}
return follow;
}
/// <summary>
/// 判断两个圆形是否发生了碰撞
/// </summary>
///
/// <param name="rect1"></param>
/// <param name="rect2"></param>
/// <returns></returns>
public static bool IsCircToCirc(RectBox rect1, RectBox rect2)
{
Point middle1 = GetMiddlePoint(rect1);
Point middle2 = GetMiddlePoint(rect2);
float distance = middle1.DistanceTo(middle2);
float radius1 = rect1.GetWidth() / 2;
float radius2 = rect2.GetWidth() / 2;
return (distance - radius2) < radius1;
}
public RectBox GetIntersection(RectBox rect)
{
int x1 = (int)MathUtils.Max(x, rect.x);
int x2 = (int)MathUtils.Min(x + width, rect.x + rect.width);
int y1 = (int)MathUtils.Max(y, rect.y);
int y2 = (int)MathUtils.Min(y + height, rect.y + rect.height);
return(new RectBox(x1, y1, x2 - x1, y2 - y1));
}
public virtual void SetRotation(float r)
{
this.rotation = r;
if (rect != null)
{
rect = MathUtils.GetBounds(location.x, location.y, GetWidth(),
GetHeight(), r, rect);
}
}
public OutEffect(LTexture t, RectBox limit, int code)
{
this.texture = t;
this.type = code;
this.width = t.Width;
this.height = t.Height;
this.multiples = 1;
this.limit = limit;
this.visible = true;
}
public EmulatorButton(LTextureRegion img, int w, int h, int x, int y,
bool flag, int sizew, int sizeh) {
if (flag) {
this.bitmap = new LTextureRegion(img, x, y, w, h);
} else {
this.bitmap = new LTextureRegion(img);
}
this.scaleWidth = sizew;
this.scaleHeight = sizeh;
this.bounds = new RectBox(0, 0, scaleWidth, scaleHeight);
}
public static bool Contains(int[] xPoints, int[] yPoints,
int nPoints,RectBox bounds, int x1, int y1)
{
if ((bounds != null && bounds.Inside(x1, y1))
|| (bounds == null && GetBoundingBox(xPoints, yPoints, nPoints)
.Inside(x1, y1)))
{
int hits = 0;
int ySave = 0;
int i = 0;
while (i < nPoints && yPoints[i] == y1)
{
i++;
}
for (int n = 0; n < nPoints; n++)
{
int j = (i + 1) % nPoints;
int dx = xPoints[j] - xPoints[i];
int dy = yPoints[j] - yPoints[i];
if (dy != 0)
{
int rx = x1 - xPoints[i];
int ry = y1 - yPoints[i];
if (yPoints[j] == y1 && xPoints[j] >= x1)
{
ySave = yPoints[i];
}
if (yPoints[i] == y1 && xPoints[i] >= x1)
{
if ((ySave > y1) != (yPoints[j] > y1))
{
hits--;
}
}
if (ry * dy >= 0
&& (ry <= dy && ry >= 0 || ry >= dy && ry <= 0)
&& Round(dx * ry, dy) >= rx)
{
hits++;
}
}
i = j;
}
return (hits % 2) != 0;
}
return false;
}
public override bool Equals(object obj)
{
if (obj is RectBox)
{
RectBox rect = (RectBox)obj;
return(Equals(rect.x, rect.y, rect.width, rect.height));
}
else
{
return(false);
}
}
public virtual RectBox GetRect()
{
if (rect == null)
{
rect = new RectBox(x, y, GetWidth(), GetHeight());
}
else
{
rect.SetBounds(x, y, GetWidth(), GetHeight());
}
return(rect);
}
public bool CheckCollision(Actor actor)
{
obj0 = actor.GetRectBox();
dx = MathUtils.Abs(obj0.GetCenterX() - x);
dy = MathUtils.Abs(obj0.GetCenterY() - y);
dist = MathUtils.Sqrt(dx * dx + dy * dy);
return dist <= this.r;
}
public static RectBox GetBounds(float x, float y, float width,
float height, float rotate, RectBox result)
{
int[] rect = GetLimit(x, y, width, height, rotate);
if (result == null)
{
result = new RectBox(rect[0], rect[1], rect[2], rect[3]);
}
else
{
result.SetBounds(rect[0], rect[1], rect[2], rect[3]);
}
return result;
}
public SpriteBatchObject(float x, float y, float dw, float dh,
Animation animation, TileMap map) {
this.SetLocation(x, y);
this.tiles = map;
this.animation = animation;
this.dstWidth = dw;
this.dstHeight = dh;
Loon.Core.Graphics.Opengl.LTexture texture = animation.GetSpriteImage();
if (dw < 1 && dh < 1) {
this.rectBox = new RectBox(x, y, texture
.GetWidth(), texture.GetHeight());
} else {
this.rectBox = new RectBox(x, y, dw, dh);
}
}
public SpriteBatchObject(float x, float y, float dw, float dh,
Animation animation, TileMap map)
{
this.SetLocation(x, y);
this.tiles = map;
this.animation = animation;
this.dstWidth = dw;
this.dstHeight = dh;
if (dw < 1 && dh < 1) {
this.rectBox = new RectBox(x, y, animation.GetSpriteImage()
.GetWidth(), animation.GetSpriteImage().GetHeight());
} else {
this.rectBox = new RectBox(x, y, dw, dh);
}
}
public static RectBox GetIntersection(RectBox a, RectBox b)
{
float a_x = a.GetX();
float a_r = a.GetRight();
float a_y = a.GetY();
float a_t = a.GetBottom();
float b_x = b.GetX();
float b_r = b.GetRight();
float b_y = b.GetY();
float b_t = b.GetBottom();
float i_x = MathUtils.Max(a_x, b_x);
float i_r = MathUtils.Min(a_r, b_r);
float i_y = MathUtils.Max(a_y, b_y);
float i_t = MathUtils.Min(a_t, b_t);
return (i_x < i_r && i_y < i_t) ? new RectBox(i_x, i_y, i_r - i_x, i_t
- i_y) : null;
}
public static RectBox GetIntersection(RectBox a, RectBox b)
{
float a_x = a.GetX();
float a_r = a.GetRight();
float a_y = a.GetY();
float a_t = a.GetBottom();
float b_x = b.GetX();
float b_r = b.GetRight();
float b_y = b.GetY();
float b_t = b.GetBottom();
float i_x = MathUtils.Max(a_x, b_x);
float i_r = MathUtils.Min(a_r, b_r);
float i_y = MathUtils.Max(a_y, b_y);
float i_t = MathUtils.Min(a_t, b_t);
return((i_x < i_r && i_y < i_t) ? new RectBox(i_x, i_y, i_r - i_x, i_t
- i_y) : null);
}
public SplitEffect(LTexture t, RectBox limit_0, int d)
{
this.texture = t;
this.width = texture.GetWidth();
this.height = texture.GetHeight();
this.halfWidth = width / 2;
this.halfHeight = height / 2;
this.multiples = 2;
this.direction = d;
this.limit = limit_0;
this.timer = new LTimer(10);
this.visible = true;
this.v1 = new Vector2f();
this.v2 = new Vector2f();
switch (direction)
{
case Config.UP:
case Config.DOWN:
special = true;
{
v1.Set(0, 0);
v2.Set(halfWidth, 0);
break;
}
case Config.TLEFT:
case Config.TRIGHT:
v1.Set(0, 0);
v2.Set(halfWidth, 0);
break;
case Config.LEFT:
case Config.RIGHT:
special = true;
{
v1.Set(0, 0);
v2.Set(0, halfHeight);
break;
}
case Config.TUP:
case Config.TDOWN:
v1.Set(0, 0);
v2.Set(0, halfHeight);
break;
}
}
public static RectBox GetIntersection(RectBox a, RectBox b, RectBox result)
{
float a_x = a.GetX();
float a_r = a.GetRight();
float a_y = a.GetY();
float a_t = a.GetBottom();
float b_x = b.GetX();
float b_r = b.GetRight();
float b_y = b.GetY();
float b_t = b.GetBottom();
float i_x = MathUtils.Max(a_x, b_x);
float i_r = MathUtils.Min(a_r, b_r);
float i_y = MathUtils.Max(a_y, b_y);
float i_t = MathUtils.Min(a_t, b_t);
if (i_x < i_r && i_y < i_t) {
result.SetBounds(i_x, i_y, i_r - i_x, i_t - i_y);
return result;
}
return null;
}
/// <summary>
/// ����������
/// </summary>
///
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="width_0"></param>
/// <param name="height_1"></param>
public LComponent(int x, int y, int width_0, int height_1)
{
this.alpha = 1.0f;
this.visible = true;
this.enabled = true;
this.focusable = true;
this.selected = false;
this.desktop = Desktop.EMPTY_DESKTOP;
this.SetLocation(x, y);
this.width = width_0;
this.height = height_1;
this.screenRect = LSystem.screenRect;
if (this.width == 0)
{
this.width = 10;
}
if (this.height == 0)
{
this.height = 10;
}
}
public static RectBox GetIntersection(RectBox a, RectBox b, RectBox result)
{
float a_x = a.GetX();
float a_r = a.GetRight();
float a_y = a.GetY();
float a_t = a.GetBottom();
float b_x = b.GetX();
float b_r = b.GetRight();
float b_y = b.GetY();
float b_t = b.GetBottom();
float i_x = MathUtils.Max(a_x, b_x);
float i_r = MathUtils.Min(a_r, b_r);
float i_y = MathUtils.Max(a_y, b_y);
float i_t = MathUtils.Min(a_t, b_t);
if (i_x < i_r && i_y < i_t)
{
result.SetBounds(i_x, i_y, i_r - i_x, i_t - i_y);
return(result);
}
return(null);
}
/// <summary>
/// 检查矩形与圆形是否发生了碰撞
/// </summary>
///
/// <param name="rect1"></param>
/// <param name="rect2"></param>
/// <returns></returns>
public static bool IsRectToCirc(RectBox rect1, RectBox rect2)
{
float radius = rect2.GetWidth() / 2;
Point middle = GetMiddlePoint(rect2);
Point upperLeft = new Point(rect1.GetMinX(), rect1.GetMinY());
Point upperRight = new Point(rect1.GetMaxX(), rect1.GetMinY());
Point downLeft = new Point(rect1.GetMinX(), rect1.GetMaxY());
Point downRight = new Point(rect1.GetMaxX(), rect1.GetMaxY());
bool collided = true;
if (!IsPointToLine(upperLeft, upperRight, middle, radius))
{
if (!IsPointToLine(upperRight, downRight, middle, radius))
{
if (!IsPointToLine(upperLeft, downLeft, middle, radius))
{
if (!IsPointToLine(downLeft, downRight, middle, radius))
{
collided = false;
}
}
}
}
return collided;
}
private bool Intersects(RectBox other)
{
RectBox box = other;
Circle circle = this;
if (box.Contains(x + radius, y + radius))
{
return(true);
}
float x1 = box.GetX();
float y1 = box.GetY();
float x2 = box.GetX() + box.GetWidth();
float y2 = box.GetY() + box.GetHeight();
Line[] lines = new Line[4];
lines[0] = new Line(x1, y1, x2, y1);
lines[1] = new Line(x2, y1, x2, y2);
lines[2] = new Line(x2, y2, x1, y2);
lines[3] = new Line(x1, y2, x1, y1);
float r2 = circle.GetRadius() * circle.GetRadius();
Vector2f pos = new Vector2f(circle.GetCenterX(), circle.GetCenterY());
for (int i = 0; i < 4; i++)
{
float dis = lines[i].DistanceSquared(pos);
if (dis < r2)
{
return(true);
}
}
return(false);
}
/// <summary>
/// 检查两个矩形是否发生了碰撞
/// </summary>
///
/// <param name="rect1"></param>
/// <param name="rect2"></param>
/// <returns></returns>
public static bool IsRectToRect(RectBox rect1, RectBox rect2)
{
return rect1.Intersects(rect2);
}
public bool Intersects(RectBox rect)
{
return(Intersects(rect.x, rect.y, rect.width, rect.height));
}
public void Intersection(RectBox rect)
{
Intersection(rect.x, rect.y, rect.width, rect.height);
}
public void AddObject(Actor actor)
{
RectBox bounds = this.GetActorBounds(actor);
float by;
if (this.bspTree == null)
{
byte treeArea;
if (bounds.width > bounds.height)
{
treeArea = 0;
by = bounds.GetMiddleX();
}
else
{
treeArea = 1;
by = bounds.GetMiddleY();
}
this.bspTree = GetBSPNode();
this.bspTree.GetArea().Copy(bounds);
this.bspTree.SetSplitAxis(treeArea);
this.bspTree.SetSplitPos(by);
this.bspTree.AddActor(actor);
}
else
{
int idx = 0;
RectBox treeArea1 = this.bspTree.GetArea();
RectBox result1 = new RectBox();
RectBox result2 = new RectBox();
for (; !treeArea1.Contains(bounds) && idx < MAX_SIZE; )
{
RectBox newArea;
BSPCollisionNode newTop;
if (bounds.GetX() < treeArea1.GetX())
{
by = (treeArea1.GetX() - treeArea1.width);
newArea = new RectBox(by, treeArea1.GetY(),
treeArea1.GetRight() - by, treeArea1.height);
newTop = GetBSPNode();
newTop.GetArea().Copy(newArea);
newTop.SetSplitAxis(0);
newTop.SetSplitPos(treeArea1.GetX());
newTop.SetChild(1, this.bspTree);
this.bspTree = newTop;
treeArea1 = newArea;
}
if (bounds.GetRight() > treeArea1.GetRight())
{
by = (treeArea1.GetRight() + treeArea1.width);
newArea = new RectBox(treeArea1.GetX(), treeArea1.GetY(),
by - treeArea1.GetX(), treeArea1.height);
newTop = GetBSPNode();
newTop.GetArea().Copy(newArea);
newTop.SetSplitAxis(0);
newTop.SetSplitPos(treeArea1.GetRight());
newTop.SetChild(0, this.bspTree);
this.bspTree = newTop;
treeArea1 = newArea;
}
if (bounds.GetY() < treeArea1.GetY())
{
by = (treeArea1.GetY() - treeArea1.height);
newArea = new RectBox(treeArea1.GetX(), by,
treeArea1.width, treeArea1.GetBottom() - by);
newTop = GetBSPNode();
newTop.GetArea().Copy(newArea);
newTop.SetSplitAxis(1);
newTop.SetSplitPos(treeArea1.GetY());
newTop.SetChild(1, this.bspTree);
this.bspTree = newTop;
treeArea1 = newArea;
}
if (bounds.GetBottom() > treeArea1.GetBottom())
{
by = (treeArea1.GetBottom() + treeArea1.height);
newArea = new RectBox(treeArea1.GetX(), treeArea1.GetY(),
treeArea1.width, by - treeArea1.GetY());
newTop = GetBSPNode();
newTop.GetArea().Copy(newArea);
newTop.SetSplitAxis(1);
newTop.SetSplitPos(treeArea1.GetBottom());
newTop.SetChild(0, this.bspTree);
this.bspTree = newTop;
treeArea1 = newArea;
}
idx++;
}
this.InsertObject(actor, bounds, bounds, treeArea1, this.bspTree,
result1, result2);
}
}
public bool Contains(RectBox rect)
{
return(Contains(rect.x, rect.y, rect.width, rect.height));
}
private Actor GetOnlyIntersectingDown(RectBox r,
CollisionQuery query, Actor actor)
{
if (this.bspTree == null)
{
return null;
}
else
{
lock (cacheNodeStack)
{
cacheNodeStack.Clear();
CollectionUtils.Add(cacheNodeStack, this.bspTree);
int idx = 0;
for (; !(cacheNodeStack.Count == 0) && idx < MAX_SIZE; )
{
BSPCollisionNode node = (BSPCollisionNode)cacheNodeStack
.RemoveLast();
if (node.GetArea().Contains(r))
{
Actor res = this.CheckForOnlyCollision(actor, node,
query);
if (res != null)
{
return res;
}
BSPCollisionNode left = node.GetLeft();
BSPCollisionNode right = node.GetRight();
if (left != null)
{
CollectionUtils.Add(cacheNodeStack, left);
}
if (right != null)
{
CollectionUtils.Add(cacheNodeStack, right);
}
}
}
}
return null;
}
}
private void InsertObject(Actor actor, RectBox actorBounds, RectBox bounds,
RectBox area, BSPCollisionNode node, RectBox result1,
RectBox result2)
{
if (!node.ContainsActor(actor))
{
if (!node.IsEmpty()
&& (area.width > actorBounds.width || area.height > actorBounds.height))
{
RectBox leftArea = node.GetLeftArea();
RectBox rightArea = node.GetRightArea();
RectBox leftIntersects = RectBox.GetIntersection(leftArea,
bounds, result1);
RectBox rightIntersects = RectBox.GetIntersection(rightArea,
bounds, result2);
BSPCollisionNode newRight;
if (leftIntersects != null)
{
if (node.GetLeft() == null)
{
newRight = this.CreateNewNode(leftArea);
newRight.AddActor(actor);
node.SetChild(0, newRight);
}
else
{
this.InsertObject(actor, actorBounds, leftIntersects,
leftArea, node.GetLeft(), result1, result2);
}
}
if (rightIntersects != null)
{
if (node.GetRight() == null)
{
newRight = this.CreateNewNode(rightArea);
newRight.AddActor(actor);
node.SetChild(1, newRight);
}
else
{
this.InsertObject(actor, actorBounds, rightIntersects,
rightArea, node.GetRight(), result1, result2);
}
}
}
else
{
node.AddActor(actor);
}
}
}
public void SetLocation(RectBox r)
{
this.x = r.x;
this.y = r.y;
}
public bool Overlaps(RectBox rectangle)
{
return(!(x > rectangle.x + rectangle.width || x + width < rectangle.x ||
y > rectangle.y + rectangle.height || y + height < rectangle.y));
}
private void UpdateObject(Actor o) {
ActorNode node = GetNodeForActor(o);
if (node != null) {
RectBox newBounds = this.GetActorBounds(o);
BSPCollisionNode bspNode;
if (!this.bspTree.GetArea().Contains(newBounds)) {
for (; node != null;) {
bspNode = node.GetBSPNode();
node.Remove();
this.CheckRemoveNode(bspNode);
node = node.GetNext();
}
this.AddObject(o);
} else {
RectBox bspArea;
RectBox result1 = new RectBox();
RectBox result2 = new RectBox();
while (node != null) {
bspNode = node.GetBSPNode();
bspArea = bspNode.GetArea();
if (bspArea.Contains(newBounds)) {
for (ActorNode rNode2 = GetNodeForActor(o); rNode2 != null; rNode2 = rNode2
.GetNext()) {
if (rNode2 != node) {
BSPCollisionNode rNode1 = rNode2.GetBSPNode();
rNode2.Remove();
this.CheckRemoveNode(rNode1);
}
}
return;
}
if (!bspArea.Intersects(newBounds)) {
BSPCollisionNode rNode = node.GetBSPNode();
node.Remove();
this.CheckRemoveNode(rNode);
}
node.ClearMark();
node = node.GetNext();
}
node = GetNodeForActor(o);
if (node != null) {
for (bspNode = node.GetBSPNode(); bspNode != null
&& !bspNode.GetArea().Contains(newBounds); bspNode = bspNode
.GetParent()) {
}
if (bspNode == null) {
while (node != null) {
bspNode = node.GetBSPNode();
node.Remove();
this.CheckRemoveNode(bspNode);
node = node.GetNext();
}
this.AddObject(o);
return;
}
} else {
bspNode = this.bspTree;
}
bspArea = bspNode.GetArea();
this.InsertObject(o, newBounds, newBounds, bspArea,
bspNode, result1, result2);
for (node = GetNodeForActor(o); node != null; node = node
.GetNext()) {
if (!node.CheckMark()) {
bspNode = node.GetBSPNode();
node.Remove();
this.CheckRemoveNode(bspNode);
}
}
}
}
}
public void SetBounds(RectBox rect)
{
SetBounds(rect.x, rect.y, rect.width, rect.height);
}
/// <summary>
/// 获得两个矩形间距离
/// </summary>
///
/// <param name="box1"></param>
/// <param name="box2"></param>
/// <returns></returns>
public static float GetDistance(RectBox box1, RectBox box2)
{
float xdiff = box1.x - box2.x;
float ydiff = box1.y - box2.y;
return Loon.Utils.MathUtils.Sqrt(xdiff * xdiff + ydiff * ydiff);
}
public void Draw(LTexture texture, Vector2f pos, Vector2f origin,
float scale, RectBox src, bool flipX, bool flipY)
{
Draw(texture, pos.x, pos.y, origin.x, origin.y, src.width, src.height,
scale, scale, 0, src.x, src.y, src.width, src.height, flipX,
flipY, false);
}
public Actor GetOnlyIntersectingUp(RectBox r,
CollisionQuery query, Actor actor, BSPCollisionNode start)
{
for (; start != null && !start.GetArea().Contains(r); )
{
Actor res = this.CheckForOnlyCollision(actor, start, query);
if (res != null)
{
return res;
}
start = start.GetParent();
}
return null;
}
public void Union(RectBox rect)
{
Union(rect.x, rect.y, rect.width, rect.height);
}
private BSPCollisionNode CreateNewNode(RectBox area)
{
byte splitAxis;
float splitPos;
if (area.width > area.height)
{
splitAxis = 0;
splitPos = area.GetMiddleX();
}
else
{
splitAxis = 1;
splitPos = area.GetMiddleY();
}
BSPCollisionNode newNode = GetBSPNode();
newNode.SetArea(area);
newNode.SetSplitAxis(splitAxis);
newNode.SetSplitPos(splitPos);
return newNode;
}
public void Draw(LTexture texture, Vector2f pos, RectBox src,
bool flipX, bool flipY)
{
Draw(texture, pos.x, pos.y, src.width / 2, src.height / 2, src.width,
src.height, 1f, 1f, 0, src.x, src.y, src.width, src.height,
flipX, flipY, false);
}
private Actor GetOnlyObjectDownTree(Actor ignore, RectBox r,
CollisionQuery query, BSPCollisionNode startNode)
{
if (startNode == null)
{
return null;
}
else
{
lock (cacheNodeStack)
{
cacheNodeStack.Clear();
if (startNode != null)
{
CollectionUtils.Add(cacheNodeStack, startNode);
}
while (!(cacheNodeStack.Count == 0))
{
BSPCollisionNode node = (BSPCollisionNode)cacheNodeStack
.RemoveLast();
if (node.GetArea().Intersects(r))
{
Actor res = this.CheckForOnlyCollision(ignore, node,
query);
if (res != null)
{
return res;
}
BSPCollisionNode left = node.GetLeft();
BSPCollisionNode right = node.GetRight();
if (left != null)
{
CollectionUtils.Add(cacheNodeStack, left);
}
if (right != null)
{
CollectionUtils.Add(cacheNodeStack, right);
}
}
}
}
return null;
}
}
