CocosPlugin/esengine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

修复transform 不更新问题

Browse Source 
优化transform 性能问题
This commit is contained in:
yhh
2020-06-08 17:18:21 +08:00
parent cadd9ab0fc
commit 7939253622
8 changed files with 179 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
source/src/ECS/Transform.ts
View File

@@ -1,3 +1,10 @@
enum DirtyType{
clean,
positionDirty,
scaleDirty,
rotationDirty,
}
class Transform {
/** 相关联的实体 */
public readonly entity: Entity;
@@ -21,6 +28,14 @@ class Transform {
private _scale: Vector2;
private _localTransform;
private _hierachyDirty: DirtyType;
private _localDirty: boolean;
private _localPositionDirty: boolean;
private _localScaleDirty: boolean;
private _localRotationDirty: boolean;
private _positionDirty: boolean;
private _worldToLocalDirty: boolean;
private _worldInverseDirty: boolean;
public get childCount(){
return this._children.length;
@@ -89,7 +104,8 @@ class Transform {
return this;
this._localPosition = localPosition;
this._localDirty = this._positionDirty = this._localPositionDirty = this._localRotationDirty = this._localScaleDirty = true;
return this;
}
@@ -116,25 +132,53 @@ class Transform {
}
public updateTransform(){
if (this.parent)
this.parent.updateTransform();
if (this._hierachyDirty != DirtyType.clean){
if (this.parent)
this.parent.updateTransform();
this._translationMatrix = Matrix2D.createTranslation(this._localPosition.x, this._localPosition.y);
this._rotationMatrix = Matrix2D.createRotation(this._localRotation);
this._scaleMatrix = Matrix2D.createScale(this._localScale.x, this._localScale.y);
if (this._localDirty){
if (this._localPositionDirty){
this._translationMatrix = Matrix2D.createTranslation(this._localPosition.x, this._localPosition.y);
this._localPositionDirty = false;
}
this._localTransform = Matrix2D.multiply(this._scaleMatrix, this._rotationMatrix);
this._localTransform = Matrix2D.multiply(this._localTransform, this._translationMatrix);
if (this._localRotationDirty){
this._rotationMatrix = Matrix2D.createRotation(this._localRotation);
this._localRotationDirty = false;
}
if (!this.parent){
this._worldTransform = this._localTransform;
this._rotation = this._localRotation;
this._scale = this._localScale;
}else{
this._worldTransform = Matrix2D.multiply(this._localTransform, this.parent._worldTransform);
if (this._localScaleDirty){
this._scaleMatrix = Matrix2D.createScale(this._localScale.x, this._localScale.y);
this._localScaleDirty = false;
}
this._rotation = this._localRotation + this.parent._rotation;
this._scale = Vector2.multiply( this.parent._scale, this._localScale);
this._localTransform = Matrix2D.multiply(this._scaleMatrix, this._rotationMatrix);
this._localTransform = Matrix2D.multiply(this._localTransform, this._translationMatrix);
if (!this.parent){
this._worldTransform = this._localTransform;
this._rotation = this._localRotation;
this._scale = this._localScale;
this._worldInverseDirty = true;
}
this._localDirty = false;
}
if (this.parent){
this._worldTransform = Matrix2D.multiply(this._localTransform, this.parent._worldTransform);
this._rotation = this._localRotation + this.parent._rotation;
this._scale = Vector2.multiply( this.parent._scale, this._localScale);
this._worldInverseDirty = true;
}
this._worldToLocalDirty = true;
this._positionDirty = true;
this._hierachyDirty = DirtyType.clean;
}
}
}