diff --git a/.vs/3dMath/v15/.suo b/.vs/3dMath/v15/.suo
index 814dadc..07efb70 100644
Binary files a/.vs/3dMath/v15/.suo and b/.vs/3dMath/v15/.suo differ
diff --git a/main.cpp b/main.cpp
index 6f0a7bb..30436e0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -5,75 +5,13 @@
 
 int main() {
 
-	printf("arr0 内部生成CArrayBuffer\n");
-	CFloat32Array arr0(8);
-	for (int i = 0; i < arr0.length(); i++) {
-		arr0[i] = i * 100.0;
-	}
-	for (int i = 0; i < arr0.length(); i++) {
-		printf("%f\n", arr0[i]);
-	}
+	GVector3 v1(SQRT(2)/2, SQRT(2) / 2, 0);
+	GVector3 v2(-1, 1, -1);
+	GVector3 v3(0, -2, -2);
 
-	printf("arr1 共享 arr0 中 CArrayBuffer 的部分区块\n");
-	CFloat32Array arr1(arr0.buffer, 4 * sizeof(float32), 4);
-	for (int i = 0; i < arr1.length(); i++) {
-		printf("%f\n", arr1[i]);
-	}
-
-	printf("重置arr1的各个元素为10.0的倍数\n");
-	for (int i = 0; i < arr1.length(); i++) {
-		arr1[i] = i * 10.0;
-	}
-	for (int i = 0; i < arr1.length(); i++) {
-		printf("%f\n", arr1[i]);
-	}
-
-	/*GVector l(3);
-	l += 2;
-	cout << l*3 << endl;
-
-	float a[] = { 
-		2, -1, 3,
-		4, -2, 5,
-		6, -3, 8
-	};
-	GMatrix A(3, 3, a);
-
-	float b[] = {
-		2, -1, 9,
-		2, -2, 5,
-		3, 1, 2
-	};
-	GMatrix B(3, 3, b);
-
-	GMatrix C = A*B;
-
-	cout << A << endl;
-	cout << B << endl;
-	cout << C << endl;
-
-	GVector ret(3);
-	GVector rv = B.GetColVec(1);
-	for (int i = 0; i < A.GetColNum(); i++) {
-		 GVector l =  A.GetColVec(i);
-		 ret += rv[i]*l;
-	}
-	
-	cout << ret << endl;
-	*/
-	/*float a[] = {
-		1,0,
-		1,4
-	};
-	GMatrix A(2, 2, a);
-
-	float c[] = {
-		0,1,
-		1,0
-	};
-	GMatrix C(2, 2, c);
-
-	cout << A*A << endl;*/
+	GVector3 w1 = v1;
+	GVector3 w2 = v2 - proj(v2, w1);  //cout << w2 << endl;
+	GVector3 w3 = v3 - proj(v3, w1) - proj(v3, w2); //cout << w3 << endl;
 
   	return 0;
 }
\ No newline at end of file