make rotated rect draw correctly

cocos/2d/CCDrawNode.cpp

@@ -663,9 +663,12 @@ void DrawNode::drawDot(const Vec2 &pos, float radius, const Color4F &color)
 	_dirty = true;
 }
 
-void DrawNode::drawRect(const Vec2 &lb, const Vec2 &lt, const Vec2 &rt, const Vec2& rb, const Color4F &color)
+void DrawNode::drawRect(const Vec2 &p1, const Vec2 &p2, const Vec2 &p3, const Vec2& p4, const Color4F &color)
 {
-    drawRect(lb, rt, color);
+    drawLine(Vec2(p1.x, p1.y), Vec2(p2.x, p2.y), color);
+    drawLine(Vec2(p2.x, p2.y), Vec2(p3.x, p3.y), color);
+    drawLine(Vec2(p3.x, p3.y), Vec2(p4.x, p4.y), color);
+    drawLine(Vec2(p4.x, p4.y), Vec2(p1.x, p1.y), color);
 }
 
 void DrawNode::drawSegment(const Vec2 &from, const Vec2 &to, float radius, const Color4F &color)

cocos/2d/CCDrawNode.h

@@ -80,7 +80,7 @@ public:
     /** draw a dot at a position, with a given radius and color */
     void drawDot(const Vec2 &pos, float radius, const Color4F &color);
     
-    void drawRect(const Vec2 &lb, const Vec2 &lt, const Vec2 &rt, const Vec2& rb, const Color4F &color);
+    void drawRect(const Vec2 &p1, const Vec2 &p2, const Vec2 &p3, const Vec2& p4, const Color4F &color);
     
     void drawSolidRect(const Vec2 &origin, const Vec2 &destination, const Color4F &color);
     

tests/cpp-tests/Classes/DrawPrimitivesTest/DrawPrimitivesTest.cpp

@@ -278,6 +278,8 @@ DrawNodeTest::DrawNodeTest()
     // draw a rectangle
     draw->drawRect(Vec2(23,23), Vec2(7,7), Color4F(1,1,0,1));
     
+    draw->drawRect(Vec2(15,30), Vec2(30,15), Vec2(15,0), Vec2(0,15), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
+    
     // draw a circle
     draw->drawCircle(VisibleRect::center() + Vec2(140,0), 100, CC_DEGREES_TO_RADIANS(90), 50, true, 1.0f, 2.0f, Color4F(1.0, 0.0, 0.0, 0.5));