// down
	//glBindTexture(GL_TEXTURE_2D, texture8->getID());
	texture8->setActive(GL_TEXTURE7);
	glEnable(GL_TEXTURE_2D);
	glBegin(GL_QUADS);		
	glTexCoord2f(0.0f, 0.0f); glVertex3f(x, y, z);
	glTexCoord2f(1.0f, 0.0f); glVertex3f(x, y, z+length);
	glTexCoord2f(1.0f, 1.0f); glVertex3f(x+width, y, z+length); 
	glTexCoord2f(0.0f, 1.0f); glVertex3f(x+width, y, z);
	glEnd();