#pragma once

#include "Textur.h"

class CKey
{
public:
	CKey(int kk,float rr,float gg,float bb, char cc, char *f);
	virtual ~CKey(void);

	CTextur *textur;

	void draw();

	float width,height;
	char character;
	char *file;
	float r,g,b;
	int key;

private:
	virtual void _draw();
	void init();

	bool setup;
};

class CspaceKey : public CKey
{
public:
	CspaceKey(int kk,float rr,float gg,float bb, char cc, char *f);
	virtual ~CspaceKey(void);

	void _draw();
};

das ist mein Kopf

#include "Key.h"
#include <stdlib.h>
#include "glut.h"

CKey::CKey(int kk,float rr,float gg,float bb, char cc,char *f)
{
	key = kk;
	r = rr;
	g = gg;
	b = bb;
	width = 1.0/12;
	height = 1.0/5;
	character = cc;
	file = f;
	setup = true;
}

CKey::~CKey(void)
{
}

void CKey::init() 
{
	textur = new CTextur();
	textur->load(file);
}

void CKey::draw()
{
	if(setup)
	{
		init();
	    setup = false;
	}

	if(key == 1)
	{
		glColor3f(r,g,b);
		glPushMatrix();
		textur->bind();
		glBegin(GL_QUADS);
			glVertex2f(0,0);
			glVertex2f(0,height);
			glVertex2f(width,height);
			glVertex2f(width,0);
		glEnd();
		textur->unbind();
		glPopMatrix();
		glTranslatef(width,0,0.0f);
	}
	else if(key == 2)
	{
	    this->_draw();
	}
}

void CKey::_draw()
{

}

CspaceKey::CspaceKey(int kk,float rr,float gg,float bb, char cc,char *f)
//: CKey(kk) etc. auch versucht aber keinen Erfolg
{

}

CspaceKey::~CspaceKey(void)
{

}

void CspaceKey::_draw()
{
	glColor3f(r,g,b);
	glPushMatrix();
	textur->bind();
	glBegin(GL_QUADS);
		glVertex2f(0,0);
		glVertex2f(0,height);
		glVertex2f(width,height);
		glVertex2f(width,0);
	glEnd();
	textur->unbind();
	glPopMatrix();
	glTranslatef(width,0,0.0f);
}

CspaceKey::CspaceKey(int kk,float rr,float gg,float bb, char cc,char *f) 
  : CKey(kk, rr, gg, bb, cc, f)
{
}

aber danke für deine Hilfe