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