Cocos2D-Android-1之源码详解：8.DrawPrimitivesTest
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package org.cocos2d.tests; import javax.microedition.khronos.opengles.GL10; import org.cocos2d.actions.interval.CCRotateBy; import org.cocos2d.config.ccMacros; import org.cocos2d.layers.CCLayer; import org.cocos2d.layers.CCScene; import org.cocos2d.menus.CCMenu; import org.cocos2d.menus.CCMenuItemImage; import org.cocos2d.nodes.CCDirector; import org.cocos2d.opengl.CCDrawingPrimitives; import org.cocos2d.opengl.CCGLSurfaceView; import org.cocos2d.types.CGPoint; import org.cocos2d.types.CGSize; import android.app.Activity; import android.os.Bundle; import android.view.Window; import android.view.WindowManager; public class DrawPrimitivesTest extends Activity {//绘画原语测试 // private static final String LOG_TAG = DrawPrimitivesTest.class.getSimpleName(); private CCGLSurfaceView mGLSurfaceView;//建立view @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE);//3个设置//同之前 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
mGLSurfaceView = new CCGLSurfaceView(this);//创建surface setContentView(mGLSurfaceView);//映射view
// attach the OpenGL view to a window CCDirector.sharedDirector().attachInView(mGLSurfaceView);//把view给导演类 // set landscape mode CCDirector.sharedDirector().setLandscape(false);//不横屏 // show FPS CCDirector.sharedDirector().setDisplayFPS(true);//实时显示每秒多少帧 // frames per second CCDirector.sharedDirector().setAnimationInterval(1.0f / 60);//标定显示多少帧 CCScene scene = CCScene.node(); scene.addChild(nextAction());//创建节点 scene.runAction(CCRotateBy.action(4,-360));//旋转-360度，在4秒钟 // Make the Scene active CCDirector.sharedDirector().runWithScene(scene);//导演开始把图层上面的元素给view来演 } @Override public void onStart() {//下面3个老方法不赘述 super.onStart(); } @Override public void onPause() { super.onPause(); CCDirector.sharedDirector().onPause(); } @Override public void onResume() { super.onResume(); CCDirector.sharedDirector().onResume(); } @Override public void onDestroy() { super.onDestroy(); CCDirector.sharedDirector().end(); // CCTextureCache.sharedTextureCache().removeAllTextures(); } static int sceneIdx = -1; static Class<?> transitions[] = {//只有一个...还用个数组.. Test1.class, }; public static CCLayer nextAction() { sceneIdx++; sceneIdx = sceneIdx % transitions.length; return restartAction(); } public static CCLayer backAction() { sceneIdx--; int total = transitions.length; if (sceneIdx < 0) sceneIdx += total; return restartAction(); } public static CCLayer restartAction() {//重新返回一个这个实例 try { Class<?> c = transitions[sceneIdx]; return (CCLayer) c.newInstance(); } catch (Exception e) { return null; } } public static class TestDemo extends CCLayer {//测试 public TestDemo() { CGSize s = CCDirector.sharedDirector().winSize();//得到大小 CCMenuItemImage item1 = CCMenuItemImage.item("b1.png","b2.png",this,"backCallback");//第一个菜单项目，其实是个按钮，第一个是没按，第二个是按下，然后是this里的方法，然后方法名字是最后一个参数，java有反射机制，所以他才敢这样写..但是这样不好混淆，后面2个按钮同理 CCMenuItemImage item2 = CCMenuItemImage.item("r1.png","r2.png","restartCallback"); CCMenuItemImage item3 = CCMenuItemImage.item("f1.png","f2.png","nextCallback"); CCMenu menu = CCMenu.menu(item1,item2,item3);//把这3个菜单项的按钮放进一个菜单 menu.setPosition(CGPoint.make(0,0));//给菜单设置位置，0.0就是在原点.. item1.setPosition(CGPoint.make(s.width / 2 - 100,30));//只要按钮项目设对就行了，所以菜单的坐标就只是个0.0 item2.setPosition(CGPoint.make(s.width / 2,30)); item3.setPosition(CGPoint.make(s.width / 2 + 100,30)); addChild(menu,-1);//最后把菜单作为activity的子类，而且显示顺序是-1，有可能被遮挡的 } /* * After setting the screen orientation to landscape, * the Activity will be restarted,so it seems we should not call setLandscape here * this is a bug,we should make full use of android's capability,but not partly. */ public void restartCallback(Object sender) {//重新加载，并切换观景模式，横竖屏 boolean landscape = CCDirector.sharedDirector().getLandscape();//得到观景模式 CCDirector.sharedDirector().setLandscape(!landscape);//切换观景模式 CCScene s = CCScene.node();//生成图层节点 s.addChild(restartAction()); CCDirector.sharedDirector().runWithScene(s);//开始画这个图层 } public void nextCallback(Object sender) {//执行下一个class并切换观景模式 boolean landscape = CCDirector.sharedDirector().getLandscape(); CCDirector.sharedDirector().setLandscape(!landscape); CCScene s = CCScene.node(); s.addChild(nextAction()); CCDirector.sharedDirector().runWithScene(s); } public void backCallback(Object sender) {//执行上一个切换观景模式 boolean landscape = CCDirector.sharedDirector().getLandscape(); CCDirector.sharedDirector().setLandscape(!landscape); CCScene s = CCScene.node(); s.addChild(backAction()); CCDirector.sharedDirector().runWithScene(s); } String title() { return "No title"; } } public static class Test1 extends TestDemo {//测试1 public static CCLayer node() { return new Test1(); } // // TIP: // Every CocosNode has a "draw" method. // In the "draw" method you put all the code that actually draws your node. // And Test1 is a subclass of TestDemo,which is a subclass of Layer,which is a subclass of CocosNode. // // As you can see the drawing primitives aren't CocosNode objects. They are just helper // functions that let's you draw basic things like: points,line,polygons and circles. // // // TIP: // Don't draw your stuff outside the "draw" method. Otherwise it won't get transformed. // // // TIP: // If you want to rotate/translate/scale a circle or any other "primtive",you can do it by rotating // the node. eg: // this.rotation = 90; // public void draw(GL10 gl) {//一个绘画类 CGSize s = CCDirector.sharedDirector().winSize();//还是得到屏幕大小 // draw a simple line // The default state is: // Line Width: 1 // color: 255,255,255 (white,non-transparent) // Anti-Aliased gl.glEnable(GL10.GL_LINE_SMOOTH);//设置线平滑模式
CCDrawingPrimitives.ccDrawLine(gl,CGPoint.ccp(0,0),CGPoint.ccp(s.width,s.height));//运用绘画基元来画线 // line: color,width,aliased // glLineWidth > 1 and GL_LINE_SMOOTH are not compatible // GL_SMOOTH_LINE_WIDTH_RANGE = (1,1) on iPhone gl.glDisable(GL10.GL_LINE_SMOOTH);//撤销平滑线模式 gl.glLineWidth(5.0f);//设置线宽5.0 gl.glColor4f(1.0f,0.0f,1.0f);//设置颜色 CCDrawingPrimitives.ccDrawLine(gl,s.height),0));//然后又是基元绘画线 // 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 gl.glPointSize(64);//设置点大小 gl.glColor4f(0.0f,1.0f,0.5f);//基元颜色 CCDrawingPrimitives.ccDrawPoint(gl,CGPoint.make(s.width / 2,s.height / 2));//基元绘画，画点 // draw 4 small points CGPoint points[] = {CGPoint.ccp(60,60),CGPoint.ccp(70,70),CGPoint.ccp(60,60)};//点数组 gl.glPointSize(4);//设置点大小 gl.glColor4f(0.0f,1.0f);//基元颜色 CCDrawingPrimitives.ccDrawPoints(gl,points,4);//基元画点 // draw a green circle with 10 segments gl.glLineWidth(16);//设置线宽 gl.glColor4f(0.0f,1.0f);//基元颜色 CCDrawingPrimitives.ccDrawCircle(gl,s.height / 2),100,10,false);//基元画线 // draw a green circle with 50 segments with line to center gl.glLineWidth(2);//设置线宽 gl.glColor4f(0.0f,1.0f);//颜色 CCDrawingPrimitives.ccDrawCircle(gl,50,ccMacros.CC_DEGREES_TO_RADIANS(90),true);//基元画圆..，参数：基元，中心点坐标，半径，弧度值（参数是角度），段数，是否画线到圆心 // open yellow poly gl.glColor4f(1.0f,1.0f);//设置颜色 gl.glLineWidth(10);//设置线宽 CGPoint vertices[] = {CGPoint.ccp(0,CGPoint.ccp(50,50),CGPoint.ccp(100,100),100)};//设置点数组 CCDrawingPrimitives.ccDrawPoly(gl,vertices,5,false);//绘制多边形 // closed purple poly gl.glColor4f(1.0f,1.0f);//颜色 gl.glLineWidth(2);//线宽 CGPoint vertices2[] = {CGPoint.ccp(30,130),CGPoint.ccp(30,230),200)};//点数组 CCDrawingPrimitives.ccDrawPoly(gl,vertices2,3,true);//多边形 // draw quad bezier path CCDrawingPrimitives.ccDrawQuadBezier(gl,CGPoint.make(0,CGPoint.make(s.width/2,s.height/2),CGPoint.make(s.width,50);//绘制班塞尔曲线...一种计算机用来画曲线的曲线，，参数：起点，控点，结束点，顶点数 // draw cubic bezier path CCDrawingPrimitives.ccDrawCubicBezier(gl,CGPoint.make(s.width/2+30,s.height/2+50), CGPoint.make(s.width/2+60,s.height/2-50),100);//绘制立体贝塞尔曲线。更高端了，参数：起点，控点1，控点2，结束点，顶点数.. // restore original values//基元恢复数据 gl.glLineWidth(1);//线宽1 gl.glColor4f(1.0f,1.0f);//颜色黑 gl.glPointSize(1);//点大小1 } public String title() { return "draw primitives"; } } } （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |