cocos2dx shader 第一个三角形<1>

概述<1>HelloWorld.h #ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"USING_NS_CC;#include<string>using namespace std;class HelloWorld : public cocos2d::Layer{publi

<1>HelloWorld.h

#ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"USING_NS_CC;#include<string>using namespace std;class HelloWorld : public cocos2d::Layer{public:    HelloWorld();    ~HelloWorld();    static cocos2d::Scene* createScene();    virtual bool init();    CREATE_FUNC(HelloWorld);    virtual voID visit(Renderer* renderer,const Mat4& parenttransform,uint32_t parentFlags);    voID onDraw();private:    CustomCommand _command;};#endif // __HELLOWORLD_SCENE_H__

<2>HelloWorld.cpp

#include "HelloWorldScene.h"USING_NS_CC;using namespace std;HelloWorld::HelloWorld(){    }HelloWorld::~HelloWorld(){ }bool HelloWorld::init(){    if ( !Layer::init() ){        return false;    }     this->setGLProgram(GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_name_position_color));        return true;}voID HelloWorld::visit(Renderer *renderer,uint32_t parentFlags){    Node::visit(renderer,parenttransform,parentFlags);    _command.init(_globalZOrder);    _command.func = CC_CALLBACK_0(HelloWorld::onDraw,this);    Director::getInstance()->getRenderer()->addCommand(&_command);}voID HelloWorld::onDraw(){    auto glProgram = getGLProgram();    glProgram->use();    glProgram->setUniformsForBuiltins();    auto winSize = Director::getInstance()->getWinSize();    float vert[] = {        0,winSize.wIDth,winSize.wIDth/2,winSize.height    };        float color[] = {        0,1,//绿        1,//红        0,1  //蓝    };        GL::enabLevertexAttribs(GL::VERTEX_ATTRIB_FLAG_position | GL::VERTEX_ATTRIB_FLAG_color);    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_position,2,GL_float,GL_FALSE,vert);    glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_color,4,color);    glDrawArrays(GL_TRIANGLES,3);    CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,3);    CHECK_GL_ERROR_DEBUG();}Scene* HelloWorld::createScene(){    auto scene = Scene::create();    auto layer = HelloWorld::create();    scene->addChild(layer);    return scene;}

总结

以上是内存溢出为你收集整理的cocos2dx shader 第一个三角形<1>全部内容，希望文章能够帮你解决cocos2dx shader 第一个三角形<1>所遇到的程序开发问题。

如果觉得内存溢出网站内容还不错，欢迎将内存溢出网站推荐给程序员好友。