#include "DrawPrimitivesTest.h" DrawPrimitivesTest::DrawPrimitivesTest() { } void DrawPrimitivesTest::draw() { CHECK_GL_ERROR_DEBUG(); // draw a simple line // The default state is: // Line Width: 1 // color: 255,255,255,255 (white, non-transparent) // Anti-Aliased // glEnable(GL_LINE_SMOOTH); ccDrawLine( VisibleRect::leftBottom(), VisibleRect::rightTop() ); CHECK_GL_ERROR_DEBUG(); // line: color, width, aliased // glLineWidth > 1 and GL_LINE_SMOOTH are not compatible // GL_SMOOTH_LINE_WIDTH_RANGE = (1,1) on iPhone // glDisable(GL_LINE_SMOOTH); glLineWidth( 5.0f ); ccDrawColor4B(255,0,0,255); ccDrawLine( VisibleRect::leftTop(), VisibleRect::rightBottom() ); CHECK_GL_ERROR_DEBUG(); // TIP: // If you are going to use always the same color or width, you don't // need to call it before every draw // // Remember: OpenGL is a state-machine. // draw big point in the center ccPointSize(64); ccDrawColor4B(0,0,255,128); ccDrawPoint( VisibleRect::center() ); CHECK_GL_ERROR_DEBUG(); // draw 4 small points CCPoint points[] = { ccp(60,60), ccp(70,70), ccp(60,70), ccp(70,60) }; ccPointSize(4); ccDrawColor4B(0,255,255,255); ccDrawPoints( points, 4); CHECK_GL_ERROR_DEBUG(); // draw a green circle with 10 segments glLineWidth(16); ccDrawColor4B(0, 255, 0, 255); ccDrawCircle( VisibleRect::center(), 100, 0, 10, false); CHECK_GL_ERROR_DEBUG(); // draw a green circle with 50 segments with line to center glLineWidth(2); ccDrawColor4B(0, 255, 255, 255); ccDrawCircle( VisibleRect::center(), 50, CC_DEGREES_TO_RADIANS(90), 50, true); CHECK_GL_ERROR_DEBUG(); // open yellow poly ccDrawColor4B(255, 255, 0, 255); glLineWidth(10); CCPoint vertices[] = { ccp(0,0), ccp(50,50), ccp(100,50), ccp(100,100), ccp(50,100) }; ccDrawPoly( vertices, 5, false); CHECK_GL_ERROR_DEBUG(); // filled poly glLineWidth(1); CCPoint filledVertices[] = { ccp(0,120), ccp(50,120), ccp(50,170), ccp(25,200), ccp(0,170) }; ccDrawSolidPoly(filledVertices, 5, ccc4f(0.5f, 0.5f, 1, 1 ) ); // closed purble poly ccDrawColor4B(255, 0, 255, 255); glLineWidth(2); CCPoint vertices2[] = { ccp(30,130), ccp(30,230), ccp(50,200) }; ccDrawPoly( vertices2, 3, true); CHECK_GL_ERROR_DEBUG(); // draw quad bezier path ccDrawQuadBezier(VisibleRect::leftTop(), VisibleRect::center(), VisibleRect::rightTop(), 50); CHECK_GL_ERROR_DEBUG(); // draw cubic bezier path ccDrawCubicBezier(VisibleRect::center(), ccp(VisibleRect::center().x+30,VisibleRect::center().y+50), ccp(VisibleRect::center().x+60,VisibleRect::center().y-50),VisibleRect::right(),100); CHECK_GL_ERROR_DEBUG(); //draw a solid polygon CCPoint vertices3[] = {ccp(60,160), ccp(70,190), ccp(100,190), ccp(90,160)}; ccDrawSolidPoly( vertices3, 4, ccc4f(1,1,0,1) ); // restore original values glLineWidth(1); ccDrawColor4B(255,255,255,255); ccPointSize(1); CHECK_GL_ERROR_DEBUG(); } void DrawPrimitivesTestScene::runThisTest() { CCLayer* pLayer = new DrawPrimitivesTest(); addChild(pLayer); pLayer->release(); CCDirector::sharedDirector()->replaceScene(this); }