Common Drawing Method of cocos2d-x3.0

HelloWorldScene. h

Add the following code:

protected:    void onDraw(const kmMat4 &transform, bool transformUpdated);    CustomCommand _customCommand;

HelloWorldScene. cpp

Void HelloWorld: draw (cocos2d: Renderer * renderer, const kmMat4 & transform, bool transformUpdated) {_ customCommand. init (1); _ customCommand. func = CC_CALLBACK_0 (HelloWorld: onDraw, this, transform, transformUpdated); renderer-> addCommand (& _ customCommand);} void HelloWorld: onDraw (const kmMat4 & transform, bool transformUpdated) {kmGLPushMatrix (); kmGLLoadMatrix (& transform);/* straight line */trim (); DrawPrimitives: drawLine (VisibleRect: leftBottom (), VisibleRect :: rightTop (); CHECK_GL_ERROR_DEBUG (); glLineWidth (5.0f); DrawPrimitives: setDrawColor4B (255,0, 0,255); DrawPrimitives: drawLine (Point (0, 0 ), point (100,100); // draw big point in the center DrawPrimitives: setPointSize (64); DrawPrimitives: setDrawColor4B (100, 0,255,128); DrawPrimitives: drawPoint (VisibleRect :: center (); CHECK_GL_ERROR_DEBUG (); // draw 4 small points Point points [] = {Point (60,60), Point (70,70), Point (160,70 ), point (17255,255)}; DrawPrimitives: setPointSize (10); DrawPrimitives: setDrawColor4B (,); DrawPrimitives: drawPoints (points, 4); vertex (); // draw a green circle with 10 segments glLineWidth (16); DrawPrimitives: setDrawColor4B (0,255, 0,255); DrawPrimitives: drawCircle (VisibleRect: center (), 100, 0, 10, false); CHECK_GL_ERROR_DEBUG (); // draw a green circle with 50 segments with line to center glLineWidth (2); DrawPrimitives: setDrawColor4B (0,255,255,255); DrawPrimitives :: drawCircle (VisibleRect: center (), 150, CC_DEGREES_TO_RADIANS (90), 50, false); CHECK_GL_ERROR_DEBUG (); // draw a pink solid circle with 50 segments glLineWidth (2 ); drawPrimitives: setDrawColor4B (255, 0,255,255); DrawPrimitives: drawSolidCircle (VisibleRect: center () + Point (), 40, weight (90), 50, 1.0f, 1.0f); CHECK_GL_ERROR_DEBUG (); // open yellow poly DrawPrimitives: setDrawColor4B (255,255, 0,255); glLineWidth (5); Point vertices [] = {Point ), point (50, 50), Point (150,100), Point (200,150), Point ()}; DrawPrimitives: drawPoly (vertices, 5, false); CHECK_GL_ERROR_DEBUG (); // filled poly glLineWidth (1); Point filledVertices [] = {Point (0,120), Point (50,120), Point (50,170), Point (25,200 ), point (0,170)}; DrawPrimitives: drawSolidPoly (filledVertices, 5, Color4F (0.5f, 0.5f, 1, 1); // closed purble poly DrawPrimitives: setDrawColor4B (255, 0,255,255); glLineWidth (2); Point vertices2 [] = {Point (30,130), Point (30,230), Point (50,200)}; DrawPrimitives: drawPoly (vertices2, 3, true); random (); // draw quad bezr path DrawPrimitives: drawquadbezr (VisibleRect: leftTop (), VisibleRect: center (), VisibleRect: rightTop (), 50); CHECK_GL_ERROR_DEBUG (); // draw cubic bezr path DrawPrimitives: drawcubicbezr (VisibleRect: center (), Point (VisibleRect: center (). x + 30, VisibleRect: center (). y + 150), Point (VisibleRect: center (). x + 60, VisibleRect: center (). y-300), Point (VisibleRect: center (). x + 90, VisibleRect: center (). y + 150), 100); CHECK_GL_ERROR_DEBUG (); // draw a solid polygon Point vertices3 [] = {Point (60,160), Point (70,190), Point (100,190 ), point (90,160)}; DrawPrimitives: drawSolidPoly (vertices3, 4, Color4F (,); CHECK_GL_ERROR_DEBUG (); // end draw kmGLPopMatrix ();}