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// lab2.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <stdlib.h>#include <GL/glut.h>#include "Lego.h"static const GLdouble zToModel = 15 * Lego::lengthUnit;static GLfloat animTime = 5.0; // modified by glutTimerFunc, used by glutDisplayFuncstatic const unsigned int fps = 60; // used by timer and to start timer offGLfloat xAngle = 0;GLfloat yAngle = 0;GLfloat zAngle = 0;void reshape(int w, int h){	glViewport(0, 0, w, h); // use the whole window	if (w > 0 && h > 0) // if not minimized...	{		glMatrixMode(GL_PROJECTION);		glLoadIdentity();		GLdouble fovy = 40; //degrees		GLdouble aspect = w / static_cast<double>(h);		GLdouble zNear = zToModel - 100, zFar = zToModel + 100;		//assert (zNear > 0);		gluPerspective(fovy, aspect, zNear, zFar);		glMatrixMode(GL_MODELVIEW);	}}static void display(void){	static Lego myLego;	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	GLfloat heightWhite = (animTime<=5) ? (10 + -7.0/5.0 * animTime) : (3);	glPushMatrix();		glTranslatef(0, heightWhite*Lego::heightUnit, 0);		glRotatef(xAngle, 1, 0, 0);		glRotatef(yAngle, 0, 1, 0);		glRotatef(zAngle, 0, 0, 1);		myLego.brick("yellow");	glPopMatrix();	glutSwapBuffers();}void init(){	glClearColor(0.0, 0.0, 0.0, 0.0);	glEnable(GL_DEPTH_TEST);	glEnable(GL_NORMALIZE);	glShadeModel(GL_SMOOTH);	glEnable(GL_LIGHTING);	glEnable(GL_LIGHT0);	const GLfloat light_position[] = {0,0,0,1};	glLightfv(GL_LIGHT0, GL_POSITION, light_position);	const GLfloat lmodel_ambient[] = {0.1, 0.1, 0.1, 1.0}; // If we don't set it to something, 	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient); // it seems to default to a fairly bright value.	// glFrontFace varies during drawing, so it is handled by the Lego class.	glEnable(GL_CULL_FACE);	glCullFace(GL_BACK);	glMatrixMode(GL_MODELVIEW);	glLoadIdentity();	gluLookAt(	6*Lego::lengthUnit,	3*Lego::heightUnit,	zToModel,	// from				0,					3*Lego::heightUnit,	0,			// to				0,					1,					0);			// up}void processNormalKeys(unsigned char key, int x, int y){	if (key == 27) {		exit(0);	}}void mouse(int button, int state, int x, int y){	if (button == GLUT_RIGHT_BUTTON)	{		xAngle = xAngle + xAngle*0.10;	}	else if (button == GLUT_LEFT_BUTTON)	{	}	else if (button == GLUT_MIDDLE_BUTTON)	{	}}int main(int argc, char* argv[]){	glutInitWindowPosition(100,100);	glutInitWindowSize(400,400);	glutInit(&argc, argv);	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);	glutCreateWindow("Lab 2: phillijw");	init();	glutDisplayFunc(display);	glutIdleFunc(display);	glutReshapeFunc(reshape);	glutMouseFunc(mouse);	glutKeyboardFunc(processNormalKeys);	glutMainLoop();	return 0;}