增加affectChildren属性，矩阵是否影响子节点

src/base/Transform.ts

@@ -52,6 +52,12 @@ export default class Transform extends ScillaComponent {
 		return this._renderAlpha;
 	}
 
+	/**
+	 * 影响子节点
+	 */
+	@dirtyFieldTrigger
+	affectChildren: boolean = true;
+
 	/**
 	 * 尺寸
 	 * 对于不同的子类渲染都有不同的效果
@@ -173,7 +179,7 @@ export default class Transform extends ScillaComponent {
 		const matrix = this._localMatrix;
 		matrix.identity();
 
-		if (this.order = MATRIX_ORDER.ROTATE_SCALE) {
+		if (this.order === MATRIX_ORDER.ROTATE_SCALE) {
 			matrix.scale(sx, sy);
 			matrix.rotate(rotation * Math.PI / 180);
 		} else {
@@ -221,13 +227,18 @@ export default class Transform extends ScillaComponent {
 	 * 获取矩阵
 	 */
 	getMatrix(withPivot: boolean = false, invert: boolean = false): Matrix {
-		let matrix = withPivot ? this._globalPivotMatrix : this._globalMatrix;
-		if (invert) {
-			const invertMatrix = this._globalInvertMatrix;
-			invertMatrix.copyFrom(matrix);
-			invertMatrix.invert();
-
-			return invertMatrix;
+		let matrix;
+		if(this.affectChildren){
+			matrix = withPivot ? this._globalPivotMatrix : this._globalMatrix;
+			if (invert) {
+				const invertMatrix = this._globalInvertMatrix;
+				invertMatrix.copyFrom(matrix);
+				invertMatrix.invert();
+
+				return invertMatrix;
+			}
+		}else{
+			matrix = this.entity.parent.getComponent(Transform).getMatrix(withPivot, invert);
 		}
 
 		return matrix;