사용법

#include "DebugDraw.h"

    m_debugDraw = DebugDraw::create();
    this->addChild(m_debugDraw);

    //라인그리기
    m_debugDraw->appendLine(ccp(0, 0), ccp(100, 100));

    //점 그리기
    for(int n = 0; n < 100; ++n)
    {
        m_debugDraw->appendPoint( ccp(200+n, 10), 0, 0, 1 );
    }

DebugDraw.h

//DebugDraw.h
#ifndef __DEBUG_DRAW_H__
#define __DEBUG_DRAW_H__


#include "cocos2d.h"

using namespace cocos2d;

typedef struct
{
    CCPoint pt1;
    CCPoint pt2;
    float r;
    float g;
    float b;
} DebugLine;

typedef struct
{
    CCPoint pt;
    float r;
    float g;
    float b;
} DebugPoint;


class DebugDraw : public CCNode
{
public:
    static DebugDraw* create();

    DebugDraw();
    ~DebugDraw();
    virtual void draw(void);

    void appendLine(CCPoint pt1, CCPoint pt2, float r = 1, float g = 0, float b = 0);
    void appendPoint(float x, float y, float r = 1, float g = 0, float b = 0);
    void appendPoint(CCPoint pt, float r = 1, float g = 0, float b = 0);

private:
    std::vector<DebugLine>* m_lines;
    std::vector<DebugPoint>* m_points;
};


#endif // __DEBUG_DRAW_H__

DebugDraw.cpp

//DebugDraw.cpp

#include "DebugDraw.h"

inline unsigned char FloatToByte(float value)
{
    return (unsigned int) (value * 255);
}

DebugDraw* DebugDraw::create()
{
    DebugDraw* draw = new DebugDraw();
    draw->autorelease();
    return draw;
}

DebugDraw::DebugDraw()
{
    m_lines = new std::vector<DebugLine>();
    m_points = new std::vector<DebugPoint>();
}

DebugDraw::~DebugDraw()
{
    delete m_lines;
    delete m_points;
}

void DebugDraw::draw(void)
{
    int c = m_lines->size();
    for (int i = 0; i < c; i++)
    {
        DebugLine line = m_lines->at(i);
        //glColor4f(line.r, line.g, line.b, 1);
        //glLineWidth(1);
        ccDrawColor4F(line.r, line.g, line.b, 1);
        ccDrawLine(line.pt1, line.pt2);
    }

    c = m_points->size();
    for (int i = 0; i < c; i++)
    {
        DebugPoint pt = m_points->at(i);
        //glPointSize(1);
        //glColor4f(pt.r, pt.g, pt.b, 1);
        ccDrawColor4F(pt.r, pt.g, pt.b, 1);

        ccDrawPoint(pt.pt);
    }
}

void DebugDraw::appendLine(CCPoint pt1, CCPoint pt2, float r, float g, float b)
{
    DebugLine line;
    line.pt1 = pt1;
    line.pt2 = pt2;
    line.r = r;
    line.g = g;
    line.b = b;
    m_lines->push_back(line);
}

void DebugDraw::appendPoint(float x, float y, float r, float g, float b)
{
    appendPoint(ccp(x, y), r, g, b);
}

void DebugDraw::appendPoint(CCPoint pt, float r, float g, float b)
{
    DebugPoint dp;
    dp.pt = pt;
    dp.r = r;
    dp.g = g;
    dp.b = b;
    m_points->push_back(dp);
}