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 {
@@ -221,7 +227,9 @@ 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;
+		let matrix;
+		if(this.affectChildren){
+			matrix = withPivot ? this._globalPivotMatrix : this._globalMatrix;
 			if (invert) {
 				const invertMatrix = this._globalInvertMatrix;
 				invertMatrix.copyFrom(matrix);
@@ -229,6 +237,9 @@ export default class Transform extends ScillaComponent {
 
 				return invertMatrix;
 			}
+		}else{
+			matrix = this.entity.parent.getComponent(Transform).getMatrix(withPivot, invert);
+		}
 
 		return matrix;
 	}