rvsjoen

#### Car.cpp ###Car::Car(){	init();}void Car::init(){	setupTireDL();}void Car::draw(float h, float w, float d){	glPushMatrix();		glPushAttrib(GL_COLOR_BUFFER_BIT);		glColor3f(1.0, 1.0, 0.0);				glScaled(h, w, d);		drawTires();		glTranslated(0.0, 0.0, h/2.0);		glColor3f(1.0, 0.0, 0.0);		glPushMatrix();			glScaled(1.0, 0.5, 0.5);			glutSolidCube(1.0);		glPopMatrix();		glPopAttrib();			glPopMatrix();}void Car::drawTires(){	glPushMatrix();		glTranslated(-0.5, 0.0, 0.25);		glCallList(tireDL);		glTranslated(0.0, 0.0, -0.5);		glCallList(tireDL);		glTranslated(1.0, 0.0, 0.0);		glCallList(tireDL);		glTranslated(0.0, 0.0, 0.5);		glCallList(tireDL);	glPopMatrix();}void Car::setupTireDL(){	tireDL = glGenLists(1);	glNewList(tireDL, GL_COMPILE);		glutSolidCube(0.25);	glEndList();}### Test.cpp ### DONT WORKCar car;void display(){	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );	car.draw(3.6, 2.4, 2.4);	glFlush();	glutSwapBuffers();}void init(){	...}int main(int argc, char **argv){	...	glutDisplayFunc(display);	init();	glutMainLoop();	return 0;}### Test.cpp ### WORKSCar* car;void display(){	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );	car->draw(3.6, 2.4, 2.4);	glFlush();	glutSwapBuffers();}void init(){	...        car = new Car();}int main(int argc, char **argv){	...	glutDisplayFunc(display);	init();	glutMainLoop();	return 0;}