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esengine/source/src/Physics/Physics.ts

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module es {
export class Physics {
/** 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;
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private static _spatialHash: SpatialHash;
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/**
* raycast是否检测配置为触发器的碰撞器
*/
public static raycastsHitTriggers: boolean = false;
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/**
* 线/线
*/
public static raycastsStartInColliders = false;
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public static reset() {
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this._spatialHash = new SpatialHash(this.spatialHashCellSize);
}
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/**
* SpatialHash中移除所有碰撞器
*/
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public static clear() {
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this._spatialHash.clear();
}
/**
*
* @param center
* @param randius
* @param results
* @param layerMask
*/
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public static overlapCircleAll(center: Vector2, randius: number, results: any[], layerMask = -1) {
if (results.length == 0) {
console.error("An empty results array was passed in. No results will ever be returned.");
return;
}
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return this._spatialHash.overlapCircle(center, randius, results, layerMask);
}
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/**
* boundsbroadphase检查!
* @param rect
* @param layerMask
*/
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public static boxcastBroadphase(rect: Rectangle, layerMask: number = this.allLayers) {
return this._spatialHash.aabbBroadphase(rect, null, layerMask);
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}
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/**
* (self)
* @param collider
* @param rect
* @param layerMask
*/
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public static boxcastBroadphaseExcludingSelf(collider: Collider, rect: Rectangle, layerMask = this.allLayers) {
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return this._spatialHash.aabbBroadphase(rect, collider, layerMask);
}
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/**
*
* @param collider
*/
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public static addCollider(collider: Collider) {
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Physics._spatialHash.register(collider);
}
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/**
*
* @param collider
*/
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public static removeCollider(collider: Collider) {
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Physics._spatialHash.remove(collider);
}
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/**
*
* @param collider
*/
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public static updateCollider(collider: Collider) {
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this._spatialHash.remove(collider);
this._spatialHash.register(collider);
}
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/**
* debug绘制空间散列的内容
* @param secondsToDisplay
*/
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public static debugDraw(secondsToDisplay) {
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this._spatialHash.debugDraw(secondsToDisplay, 2);
}
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}
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}