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优化triggerListener与ArrayUtils

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This commit is contained in:
yhh
2020-11-26 17:26:49 +08:00
parent de3f7bff60
commit ae2cfdafdd
15 changed files with 418 additions and 261 deletions
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75
source/src/Physics/ColliderTriggerHelper.ts
View File

@@ -4,10 +4,10 @@ module es {
*/
export class ColliderTriggerHelper {
private _entity: Entity;
/** 存储当前帧中发生的所有活动交集对 */
private _activeTriggerIntersections: Pair<Collider>[] = [];
/** 存储前一帧的交叉对，以便我们可以在移动该帧后检测出口 */
private _previousTriggerIntersections: Pair<Collider>[] = [];
/** 存储当前帧中发生的所有活动交点对 */
private _activeTriggerIntersections: Set<Pair<Collider>> = new Set();
/** 存储前一帧的交点对，这样我们就可以在移动这一帧后检测到退出 */
private _previousTriggerIntersections: Set<Pair<Collider>> = new Set();
private _tempTriggerList: ITriggerListener[] = [];
constructor(entity: Entity) {
@@ -15,32 +15,34 @@ module es {
}
/**
* 实体被移动后，应该调用更新。它会处理碰撞器重叠的任何itriggerlistener。
* update应该在实体被移动后被调用，它将处理任何与Colllider重叠的ITriggerListeners。
* 它将处理任何与Collider重叠的ITriggerListeners。
*/
public update() {
// 对所有实体.colliders进行重叠检查，这些实体.colliders是触发器，与所有宽相碰撞器，无论是否触发器。
// 任何重叠都会导致触发事件
let colliders = this._entity.getComponents(Collider);
for (let i = 0; i < colliders.length; i++) {
let collider = colliders[i];
let neighbors = Physics.boxcastBroadphase(collider.bounds, collider.collidesWithLayers);
for (let j = 0; j < neighbors.length; j++) {
for (let j = 0; j < neighbors.size; j++) {
let neighbor = neighbors[j];
// 我们至少需要一个碰撞器作为触发器
if (!collider.isTrigger && !neighbor.isTrigger)
continue;
if (collider.overlaps(neighbor)) {
let pair = new Pair<Collider>(collider, neighbor);
let shouldReportTriggerEvent = this._activeTriggerIntersections.findIndex(value => {
return value.first == pair.first && value.second == pair.second;
}) == -1 && this._previousTriggerIntersections.findIndex(value => {
return value.first == pair.first && value.second == pair.second;
}) == -1;
// 如果我们的某一个集合中已经有了这个对子（前一个或当前的触发交叉点），就不要调用输入事件了
let shouldReportTriggerEvent = !this._activeTriggerIntersections.has(pair) &&
!this._previousTriggerIntersections.has(pair);
if (shouldReportTriggerEvent)
this.notifyTriggerListeners(pair, true);
if (!this._activeTriggerIntersections.contains(pair))
this._activeTriggerIntersections.push(pair);
this._activeTriggerIntersections.add(pair);
}
}
}
@@ -51,31 +53,42 @@ module es {
}
private checkForExitedColliders() {
for (let i = 0; i < this._activeTriggerIntersections.length; i++) {
let index = this._previousTriggerIntersections.findIndex(value => {
if (value.first == this._activeTriggerIntersections[i].first && value.second == this._activeTriggerIntersections[i].second)
return true;
// 删除所有与此帧交互的触发器，留下我们退出的触发器
this.excepthWith(this._previousTriggerIntersections, this._activeTriggerIntersections);
return false;
});
if (index != -1)
this._previousTriggerIntersections.removeAt(index);
}
for (let i = 0; i < this._previousTriggerIntersections.length; i++) {
for (let i = 0; i < this._previousTriggerIntersections.size; i++) {
this.notifyTriggerListeners(this._previousTriggerIntersections[i], false)
}
this._previousTriggerIntersections.length = 0;
for (let i = 0; i < this._activeTriggerIntersections.length; i++) {
if (!this._previousTriggerIntersections.contains(this._activeTriggerIntersections[i])) {
this._previousTriggerIntersections.push(this._activeTriggerIntersections[i]);
this._previousTriggerIntersections.clear();
// 添加所有当前激活的触发器
this.unionWith(this._previousTriggerIntersections, this._activeTriggerIntersections);
// 清空活动集，为下一帧做准备
this._activeTriggerIntersections.clear();
}
private excepthWith(previous: Set<Pair<Collider>>, active: Set<Pair<Collider>>){
for (let i = 0; i < previous.size; i ++){
let previousDATA: Pair<Collider> = previous[i];
for (let j = 0; j < active.size; j ++){
let activeDATA: Pair<Collider> = active[j];
if (activeDATA.equals(previousDATA))
previous.delete(previousDATA);
}
}
this._activeTriggerIntersections.length = 0;
}
private unionWith(previous: Set<Pair<Collider>>, active: Set<Pair<Collider>>) {
for (let i = 0; i < this._activeTriggerIntersections.size; i ++) {
if (!this._previousTriggerIntersections.has(this._activeTriggerIntersections[i]))
this._previousTriggerIntersections.add(this._activeTriggerIntersections[i]);
}
}
private notifyTriggerListeners(collisionPair: Pair<Collider>, isEntering: boolean) {
collisionPair.first.entity.getComponents("ITriggerListener", this._tempTriggerList);
TriggerListenerHelper.getITriggerListener(collisionPair.first.entity, this._tempTriggerList);
for (let i = 0; i < this._tempTriggerList.length; i++) {
if (isEntering) {
this._tempTriggerList[i].onTriggerEnter(collisionPair.second, collisionPair.first);
@@ -86,7 +99,7 @@ module es {
this._tempTriggerList.length = 0;
if (collisionPair.second.entity) {
collisionPair.second.entity.getComponents("ITriggerListener", this._tempTriggerList);
TriggerListenerHelper.getITriggerListener(collisionPair.second.entity, this._tempTriggerList);
for (let i = 0; i < this._tempTriggerList.length; i++) {
if (isEntering) {
this._tempTriggerList[i].onTriggerEnter(collisionPair.first, collisionPair.second);

10
source/src/Physics/Physics.ts
View File

@@ -1,11 +1,11 @@
///<reference path="./RaycastHit.ts" />
module es {
export class Physics {
public static _spatialHash: SpatialHash;
/** 调用reset并创建一个新的SpatialHash时使用的单元格大小 */
public static spatialHashCellSize = 100;
/** 接受layerMask的所有方法的默认值 */
public static readonly allLayers: number = -1;
private static _spatialHash: SpatialHash;
/**
* raycast是否检测配置为触发器的碰撞器
*/
@@ -120,13 +120,5 @@ module es {
return this._spatialHash.linecast(start, end, hits, layerMask);
}
/**
* debug绘制空间散列的内容
* @param secondsToDisplay
*/
public static debugDraw(secondsToDisplay) {
this._spatialHash.debugDraw(secondsToDisplay, 2);
}
}
}

37
source/src/Physics/SpatialHash.ts
View File

@@ -22,7 +22,7 @@ module es {
/**
* 用于返回冲突信息的共享HashSet
*/
public _tempHashSet: Collider[] = [];
public _tempHashSet: Set<Collider> = new Set<Collider>();
constructor(cellSize: number = 100) {
this._cellSize = cellSize;
@@ -53,8 +53,7 @@ module es {
for (let y = p1.y; y <= p2.y; y++) {
// 如果没有单元格，我们需要创建它
let c: Collider[] = this.cellAtPosition(x, y, true);
if (!c.firstOrDefault(c => c == collider))
c.push(collider);
c.push(collider);
}
}
}
@@ -92,29 +91,14 @@ module es {
this._cellDict.clear();
}
/**
* debug绘制空间散列的内容
* @param secondsToDisplay
* @param textScale
*/
public debugDraw(secondsToDisplay: number, textScale: number = 1) {
for (let x = this.gridBounds.x; x <= this.gridBounds.right; x++) {
for (let y = this.gridBounds.y; y <= this.gridBounds.bottom; y++) {
let cell = this.cellAtPosition(x, y);
if (cell && cell.length > 0)
this.debugDrawCellDetails(x, y, cell.length, secondsToDisplay, textScale);
}
}
}
/**
* 返回边框与单元格相交的所有对象
* @param bounds
* @param excludeCollider
* @param layerMask
*/
public aabbBroadphase(bounds: Rectangle, excludeCollider: Collider, layerMask: number): Collider[] {
this._tempHashSet.length = 0;
public aabbBroadphase(bounds: Rectangle, excludeCollider: Collider, layerMask: number): Set<Collider> {
this._tempHashSet.clear();
let p1 = this.cellCoords(bounds.x, bounds.y);
let p2 = this.cellCoords(bounds.right, bounds.bottom);
@@ -134,8 +118,7 @@ module es {
continue;
if (bounds.intersects(collider.bounds)) {
if (!this._tempHashSet.firstOrDefault(c => c == collider))
this._tempHashSet.push(collider);
this._tempHashSet.add(collider);
}
}
}
@@ -226,7 +209,7 @@ module es {
let resultCounter = 0;
let potentials = this.aabbBroadphase(bounds, null, layerMask);
for (let i = 0; i < potentials.length; i++) {
for (let i = 0; i < potentials.size; i++) {
let collider = potentials[i];
if (collider instanceof BoxCollider) {
results[resultCounter] = collider;
@@ -258,7 +241,7 @@ module es {
* @param x
* @param y
*/
private cellCoords(x: number, y: number): Vector2 {
public cellCoords(x: number, y: number): Vector2 {
return new Vector2(Math.floor(x * this._inverseCellSize), Math.floor(y * this._inverseCellSize));
}
@@ -269,7 +252,7 @@ module es {
* @param y
* @param createCellIfEmpty
*/
private cellAtPosition(x: number, y: number, createCellIfEmpty: boolean = false): Collider[] {
public cellAtPosition(x: number, y: number, createCellIfEmpty: boolean = false): Collider[] {
let cell: Collider[] = this._cellDict.tryGetValue(x, y);
if (!cell) {
if (createCellIfEmpty) {
@@ -279,10 +262,6 @@ module es {
}
return cell;
}
private debugDrawCellDetails(x: number, y: number, cellCount: number, secondsToDisplay = 0.5, textScale = 1) {
}
}
/**