#include "stdafx.h"

#define GL_PI 3.1415f

#define	checkImageWidth 256
#define	checkImageHeight 256
#define subImageWidth 64
#define subImageHeight 64

static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
static GLubyte otherImage[checkImageHeight][checkImageWidth][4];

static GLubyte subImage[subImageHeight][subImageWidth][4];

static GLuint texName[1];


GLfloat colors[][3] = { { 0.0, 0.0, 0.0 },{ 1.0, 0.0, 0.0 },
{ 1.0, 1.0, 0.0 },{ 0.0, 1.0, 0.0 },{ 0.0, 0.0, 1.0 },
{ 1.0, 0.0, 1.0 },{ 1.0, 1.0, 1.0 },{ 0.0, 1.0, 1.0 } };

GLfloat pis[4] = { 0., 1., 0., 250. },
foco[4] = { 55., 150., -35., 1.f }, msobmra[16];
GLfloat ALFA = 0.75f;

void makeCheckImages(void)
{
	int i, j, c;

	for (i = 0; i < checkImageHeight; i++) {
		for (j = 0; j < checkImageWidth; j++) {
			c = ((((i & 0x8) == 0) ^ ((j & 0x8)) == 0)) * 255;
			checkImage[i][j][0] = (GLubyte)c;   checkImage[i][j][1] = (GLubyte)c;
			checkImage[i][j][2] = (GLubyte)c;   checkImage[i][j][3] = (GLubyte)255;

			c = ((((i & 0x10) == 0) ^ ((j & 0x10)) == 0)) * 255;
			otherImage[i][j][0] = (GLubyte)0;   otherImage[i][j][1] = (GLubyte)0;
			otherImage[i][j][2] = (GLubyte)c;   otherImage[i][j][3] = (GLubyte)255;
		}
	}

	for (i = 0; i < subImageHeight; i++) {
		for (j = 0; j < subImageWidth; j++) {
			c = ((((i & 0x4) == 0) ^ ((j & 0x4)) == 0)) * 255;
			subImage[i][j][0] = (GLubyte)c;	subImage[i][j][1] = (GLubyte)0;
			subImage[i][j][2] = (GLubyte)0;	subImage[i][j][3] = (GLubyte)255;
		}
	}
}


void unit_square() {
	glBegin(GL_QUADS);
	glVertex2f(-1., -1.);
	glVertex2f(1., -1.);
	glVertex2f(1., 1.);
	glVertex2f(-1., 1.);
	glEnd();
}

void unit_square_con_textura() {

		glEnable(GL_TEXTURE_2D);
		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
		glBindTexture(GL_TEXTURE_2D, texName[0]);
		glBegin(GL_QUADS);
	
		glTexCoord2f(0.0, 0.0);  glVertex2f(-1., -1.); //glVertex3f(400.0f, -150.0f, -700.0f); //glVertex3f(-2.0, -1.0, 0.0);
		glTexCoord2f(0.0, 1.0);  glVertex2f(1., -1.); //glVertex3f(-400.0f, -150.0f, -700.0f); //glVertex3f(-2.0, 1.0, 0.0);
	
		glTexCoord2f(1.0, 1.0);   glVertex2f(1., 1.); //glVertex3f(-400.0f, -150.0f, 200.0f); //glVertex3f(0.0, 1.0, 0.0);
		glTexCoord2f(1.0, 0.0);   glVertex2f(-1., 1.);// glVertex3f(400.0f, -150.0f, 200.0f);//glVertex3f(0.0, -1.0, 0.0);
	
		glEnd();
	
		glDisable(GL_TEXTURE_2D);

	/*glBegin(GL_QUADS);
	glVertex2f(-1., -1.);
	glVertex2f(1., -1.);
	glVertex2f(1., 1.);
	glVertex2f(-1., 1.);
	glEnd();*/
}

void rayas()
{
	glBegin(GL_LINES);
	int i;
	for (i = 0; i<11; i++) {
		glVertex2f(-1., -1. + i*2. / 10.);
		glVertex2f(1., -1. + i*2. / 10.);
	}
	for (i = 0; i<11; i++) {
		glVertex2f(1. - i*2. / 10., -1.);
		glVertex2f(1. - i*2. / 10., 1.);
	}
	glEnd();
}

void piso() {
	glPushMatrix();
	glTranslatef(0, -pis[3], 0);
	glRotatef(270, 1.0f, 0.0f, 0.0f);
	glScalef(150., 150., 150.);
	glColor4f(0.75, 0.75, 0.75, ALFA);
	unit_square();
	glColor4f(0., 0., 0., ALFA);
	rayas();
	glPopMatrix();
}

void luz() {
	glColor4f(1., 1., 0., 1.);
	glPushMatrix();
	glTranslatef(foco[0], foco[1], foco[2]);
	glScalef(10., 10., 10.);
	glutSolidSphere(1, 20, 20);
	glPopMatrix();

}
void colorcube1(void) {
	glPushMatrix();
	glScalef(50., 50., 50.);
	//1a cara
	glPushMatrix();
	glTranslatef(0., 0., 1.);
	glColor3fv(colors[1]);
	unit_square();
	glPopMatrix();
	//2a cara
	glPushMatrix();
	glRotatef(90., 0., 1., 0.);
	glTranslatef(0., 0., 1.);
	glColor3fv(colors[3]);
	unit_square();
	glPopMatrix();

	//3a cara
	glPushMatrix();
	glRotatef(180., 0., 1., 0.);
	glTranslatef(0., 0., 1.);	
	unit_square_con_textura();
	
	glPopMatrix();

	//etc. ...
	glPopMatrix();
}

void colorcube2(void) {
	glPushMatrix();
	glScalef(50., 50., 50.);
	//1a cara
	glPushMatrix();
	glTranslatef(0., 0., 1.);
	glColor4f(1.0, 0.0, 0.0, ALFA);
	unit_square();
	glPopMatrix();
	//2a cara
	glPushMatrix();
	glRotatef(90., 0., 1., 0.);
	glTranslatef(0., 0., 1.);
	glColor4f(0.0, 1.0, 0.0, ALFA);
	unit_square();
	glPopMatrix();

	//3a cara
	glPushMatrix();
	glRotatef(180., 0., 1., 0.);
	glTranslatef(0., 0., 1.);
	unit_square_con_textura();

	glPopMatrix();
	//etc. ...
	glPopMatrix();
}

void cubo_sin_color(void) {
	glPushMatrix();
	glScalef(50., 50., 50.);
	//1a cara
	glPushMatrix();
	glTranslatef(0., 0., 1.);

	unit_square();
	glPopMatrix();
	//2a cara
	glPushMatrix();
	glRotatef(90., 0., 1., 0.);
	glTranslatef(0., 0., 1.);

	unit_square();
	glPopMatrix();

	//3a cara
	glPushMatrix();
	glRotatef(180., 0., 1., 0.);
	glTranslatef(0., 0., 1.);
	unit_square();
	glPopMatrix();
	//etc. ...
	glPopMatrix();
}

GLfloat xRot = 0.45f;
GLfloat yRot = 0.35f;
GLboolean bCull = glIsEnabled(GL_CULL_FACE);
GLboolean bDepth = glIsEnabled(GL_DEPTH_TEST);
GLboolean bOutline = (GLboolean)true;

GLenum shademode = GL_FLAT;

GLfloat ex = 0.0f;
GLfloat ey = 100.0f;
GLfloat ez = -700.0f;
GLfloat delta = 0.01f;
GLfloat deltaR = 0.01f;
///////////////////////////////////////////////////////////
void gltMakeShadowMatrix(GLfloat vPlaneEquation[], GLfloat vLightPos[], GLfloat destMat[])
{
	GLfloat dot;

	// Dot product of plane and light position
	dot = vPlaneEquation[0] * vLightPos[0] + vPlaneEquation[1] * vLightPos[1] +
		vPlaneEquation[2] * vLightPos[2] + vPlaneEquation[3] * vLightPos[3];

	// Now do the projection
	// First column
	destMat[0] = dot - vLightPos[0] * vPlaneEquation[0];
	destMat[4] = 0.0f - vLightPos[0] * vPlaneEquation[1];
	destMat[8] = 0.0f - vLightPos[0] * vPlaneEquation[2];
	destMat[12] = 0.0f - vLightPos[0] * vPlaneEquation[3];

	// Second column
	destMat[1] = 0.0f - vLightPos[1] * vPlaneEquation[0];
	destMat[5] = dot - vLightPos[1] * vPlaneEquation[1];
	destMat[9] = 0.0f - vLightPos[1] * vPlaneEquation[2];
	destMat[13] = 0.0f - vLightPos[1] * vPlaneEquation[3];

	// Third Column
	destMat[2] = 0.0f - vLightPos[2] * vPlaneEquation[0];
	destMat[6] = 0.0f - vLightPos[2] * vPlaneEquation[1];
	destMat[10] = dot - vLightPos[2] * vPlaneEquation[2];
	destMat[14] = 0.0f - vLightPos[2] * vPlaneEquation[3];

	// Fourth Column
	destMat[3] = 0.0f - vLightPos[3] * vPlaneEquation[0];
	destMat[7] = 0.0f - vLightPos[3] * vPlaneEquation[1];
	destMat[11] = 0.0f - vLightPos[3] * vPlaneEquation[2];
	destMat[15] = dot - vLightPos[3] * vPlaneEquation[3];
}

void SombraCubo() {
	glPushMatrix();
	gltMakeShadowMatrix(pis, foco, msobmra);
	glMultMatrixf(msobmra);
	glColor4f(0.7, 0.7, 0.7, ALFA);
	cubo_sin_color();
	glPopMatrix();
}
void SetupRC()
{
	// Black background
	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

	// Set color shading model to flat
	glShadeModel(shademode);

	// Clockwise-wound polygons are front facing; this is reversed
	// because we are using triangle fans
	glFrontFace(GL_CCW);

		makeCheckImages();
		glPixelStorei(GL_UNPACK_ALIGNMENT, 1);		
		glGenTextures(1, texName);
		glBindTexture(GL_TEXTURE_2D, texName[0]);
		
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
				0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
		
		glTexSubImage2D(GL_TEXTURE_2D, 0, 48, 170, subImageWidth,
				subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
		
		glTexSubImage2D(GL_TEXTURE_2D, 0, 48, 48, subImageWidth,
				subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
		
		glTexSubImage2D(GL_TEXTURE_2D, 0, 170, 48, subImageWidth,
				subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
		
		glTexSubImage2D(GL_TEXTURE_2D, 0, 170, 170, subImageWidth,
				subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
		
}


void Stencil_Config() {
	// turning off writing to the color buffer and depth buffer so we only
	// write to stencil buffer
	glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
	glDepthMask(GL_FALSE);

	// enable stencil buffer
	glEnable(GL_STENCIL_TEST);

	// write a one to the stencil buffer everywhere we are about to draw
	glStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);

	// this is to always pass a one to the stencil buffer where we draw
	glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);

	// render the plane which the shadow will be on
	// color and depth buffer are disabled, only the stencil buffer
	// will be modified
	piso();
	// turn the color and depth buffers back on
	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
	glDepthMask(GL_TRUE);
	// until stencil test is diabled, only write to areas where the
	// stencil buffer has a one. This is to draw the shadow only on
	// the floor.
	glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
	// don't modify the contents of the stencil buffer
	glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
}

// Called to draw scene

void RenderScene(void)
{
	// Reset coordinate system

	glLoadIdentity();
	gluLookAt(ex, ey, ez, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

	GLfloat x, y, angle;         // Storage for coordinates and angles
	int iPivot = 1;            // Used to flag alternating colors

							   // Clear the window and the depth buffer
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
	//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	// Turn culling on if flag is set
	if (bCull)   glEnable(GL_CULL_FACE);
	else        glDisable(GL_CULL_FACE);

	// Enable depth testing if flag is set
	if (bDepth)  glEnable(GL_DEPTH_TEST);
	else        glDisable(GL_DEPTH_TEST);

	// Draw the front /*back*/ side as a wireframe only, if flag is set
	if (bOutline)glPolygonMode(/*GL_BACK*/GL_FRONT, GL_LINE);
	else        glPolygonMode(/*GL_BACK*/GL_FRONT, GL_FILL);

	glPushMatrix();
	glRotatef(xRot, 1.0f, 0.0f, 0.0f);
	glRotatef(yRot, 0.0f, 1.0f, 0.0f);
	Stencil_Config();

	glFrontFace(GL_CW); //cambio de orientacion
						//para ver objetos reflejados

	glPushMatrix();
	glTranslatef(0., -pis[3], 0.); //trabnsformaciones
	glScalef(1., -1., 1.);         // de
	glTranslatef(0., pis[3], 0.);  //reflejo
	colorcube1();    //dibujar el mundo
	luz();           //en espejo
	glPopMatrix();
	glEnable(GL_BLEND);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
	glDisable(GL_DEPTH_TEST); // para luchar con errores de redondeo
	SombraCubo();       //dibujar sombra mezclandola con reflejo
	if (bDepth)  glEnable(GL_DEPTH_TEST);
	else        glDisable(GL_DEPTH_TEST);
	glDisable(GL_STENCIL_TEST);
	if (bOutline)glPolygonMode(/*GL_BACK*/GL_FRONT, GL_LINE);
	else        glPolygonMode(/*GL_BACK*/GL_FRONT, GL_FILL);

	//floor
	glFrontFace(GL_CCW);
	piso();     //dibujar piso mezclandolo con reflejo+sombra
	glDisable(GL_BLEND);

	colorcube2();/*colorcube1();*/
	luz();
	glPopMatrix();
	// Flush drawing commands
	glFlush();// glutSwapBuffers();
}

// Called by GLUT library when the window has changed size

void ChangeSize(GLsizei w, GLsizei h)
{    // Set Viewport to window dimensions
	glViewport(0, 0, (GLsizei)w, (GLsizei)h);

	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();

	//glOrtho (-100.0, 100.0, -100, 100, -270.0, 270.0);
	//glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0);
	gluPerspective(60.0, 1.0, 1.5, 2500.0);
	glMatrixMode(GL_MODELVIEW);
}

void SpecialKeys(int key, int x, int y)
{
	GLfloat dx, dz, dy;


	if (key == GLUT_KEY_UP)
	{//increase distance from camera to origin
		ex *= (1.0f + deltaR);  ey *= (1.0f + deltaR);    ez *= (1.0f + deltaR);
	}

	if (key == GLUT_KEY_DOWN)
	{//reduce distance from camera to origin (close up)
		ex *= (1.0f - deltaR); ey *= (1.0f - deltaR);    ez *= (1.0f - deltaR);
	}

	if (key == GLUT_KEY_LEFT)
		//Rotate camera around origin in Oxz plane
	{
		dx = -ez;     dz = ex;
		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
		ex += delta*dx;       ez += delta*dz;
		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
		ex /= s1;    ey /= s1;    ey /= s1;
	}

	if (key == GLUT_KEY_RIGHT)
		//Rotate camera around origin in Oxz plane
	{
		dx = -ez;     dz = ex;
		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
		ex -= delta*dx;          ez -= delta*dz;
		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
		ex /= s1;    ey /= s1;    ey /= s1;
	}


	if (key == GLUT_KEY_F1) bCull = !bCull;
	if (key == GLUT_KEY_F2)bDepth = !bDepth;
	if (key == GLUT_KEY_F3)bOutline = !bOutline;
	if (key == GLUT_KEY_F4)
	{
		if (shademode == GL_FLAT) { shademode = GL_SMOOTH; }
		else { if (shademode == GL_SMOOTH) { shademode = GL_FLAT; } };
		glShadeModel(shademode);
	}

	if (key == GLUT_KEY_F5)//Rotate camera around origin in Oyz plane
	{
		dy = -ez;     dz = ey;
		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
		ey -= delta*dy;          ez -= delta*dz;
		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
		ex /= s1;    ey /= s1;    ey /= s1;
	}

	if (key == GLUT_KEY_F6)//Rotate camera around origin in Oyz plane
	{
		dy = -ez;     dz = ey;
		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
		ey += delta*dy;          ez += delta*dz;
		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
		ex /= s1;    ey /= s1;    ey /= s1;
	}

	// Refresh the Window
	glutPostRedisplay();
}

int main(int argc, char** argv)
{
	glutInit(&argc, argv);
	glutInitDisplayMode(/*GLUT_DOUBLE*/GLUT_SINGLE | GLUT_RGBA | GLUT_STENCIL);
	// glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
	glutInitWindowSize(200, 200);
	glutInitWindowPosition(100, 100);
	glutCreateWindow(argv[0]);
	glutDisplayFunc(RenderScene);
	glutReshapeFunc(ChangeSize);
	glutSpecialFunc(SpecialKeys);

	SetupRC();
	glutMainLoop();
	return 0;
}
//////////////////////
//#include "stdafx.h"
//
//#define	checkImageWidth 256
//#define	checkImageHeight 256
//#define subImageWidth 64
//#define subImageHeight 64
//
//// Define object names
//
//#define SHADOW        1
//#define JET           2
//#define NOSE			20
//#define BODY			21
//#define WING			22
//#define TAIL			23
//#define TAILVERTICAL		231
//#define TAILHORIZONTAL		232
//
//#define BUFSIZE 512
//GLuint selectBuf[BUFSIZE];
//
//static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
//static GLubyte otherImage[checkImageHeight][checkImageWidth][4];
//
//static GLubyte subImage[subImageHeight][subImageWidth][4];
//
//static GLuint texName[2];
//
//GLboolean	bCull = (GLboolean)true, bDepth = (GLboolean)true, bOutline = (GLboolean)true,
//bShade = (GLboolean)true;
//
//GLdouble pers[] = { 60.0, 1.0, 1.5, 700.0 };
//
//GLfloat  ambientLight[] = { 0.3f, 0.3f, 0.3f, 1.0f }, diffuseLight[] = { 0.7f, 0.7f, 0.7f, 1.0f },
//specular[] = { 1.0f, 1.0f, 1.0f, 1.0f }, specref[] = { 1.0f, 1.0f, 1.0f, 1.0f },
//
//STARTbackgroundcolor[] = { 0.0f, 0.0f, 1.0f, 1.0f },
//STARTplanebodycolor[] = { 0.0f, 1.0f, 0.0f },
//STARThortailcolor1[] = { 0.0f, 1.0f, 0.0f },
//STARThortailcolor2[] = { 0.0f, 0.5f, 0.5f },
//STARTwingcolor1[] = { 0.0f, 1.0f, 0.0f },
//STARTwingcolor2[] = { 0.0f, 0.5f, 0.5f },
//STARTshadowcolor[] = { 0.3f, 0.3f, 0.3f },
//STARTverttailcolor[] = { 1.0f, 0.0f, 0.0f },
//
//backgroundcolor[4], planebodycolor[3], hortailcolor1[3], hortailcolor2[3],
//wingcolor1[3], wingcolor2[3], shadowcolor[3], verttailcolor[3],
//// The light is positioned by this code, located in the ChangeSize function:
//lightPos[] = { -75.0f, 150.0f, -50.0f, 1.0f }, //{ -30.f, 4.0f, 15.0f, 1.0f };
//
//											   //jet vertices
//	vdata[13][3] = {
//		{ 0.0f, 0.0f, 25.0f },   //Pinnacle of cone is shared vertex for fan, moved up z-axis
//		{ 5.0f, 0.0f, 0.0f },{ 0.0f, 3.0f, 0.0f },{ -5.0f, 0.0f, 0.0f }, //to close the fan use {5.0f, 0.0f, 0.0f} twice
//		{ 0.0f, 0.0f, -6.0f },  //Pinnacle of new cone with the same base verteces as above
//								// horiz tail
//		{ -8.0f, 0.0f, 30.0 },{ 8.0f, 0.0f, 30.0 },{ 0.0f, 0.0f, 23.0 },
//		//vertical tail
//		{ 0.0f, 0.0f, 30.0 },    // far point 
//		{ 0.0f, 8.0f, 30.0 },    // up point 
//								 // {0.0f, 0.0f, 23.0}  // the close point is the same 
//								 // as for horiz. tail
//								 //wing
//		{ -20.0f, 1.0f, 10.0 },{ 20.0f, 1.0f, 10.0 },{ 0.0f,  1.0f, 5.0 }
//};
//
//GLfloat ex = 0.0f, ey = 30.0f, ez = -30.0f, delta = 0.01f, deltaR = 0.01f,
//
//trans[] = { 0.0f, 0.0f, -1.0f }, ktrans = 0.0f, deltatrans = 0.1f,
//jetrot = 0.0f, deljetrot = 0.1f,
//
//// Transformation matrix to project shadow
//shadowMat[16],
//vGroundPlane[4] = { 0.0f, 1.0f, 0.0f, 150.0f };
//
//void initColors()
//{
//	for (int i = 0; i<3; i++) {
//		backgroundcolor[i] = STARTbackgroundcolor[i];
//		planebodycolor[i] = STARTplanebodycolor[i];
//		hortailcolor1[i] = STARThortailcolor1[i];
//		hortailcolor2[i] = STARThortailcolor2[i];
//		wingcolor1[i] = STARTwingcolor1[i];
//		wingcolor2[i] = STARTwingcolor2[i];
//		shadowcolor[i] = STARTshadowcolor[i];
//		verttailcolor[i] = STARTverttailcolor[i];
//	}
//	backgroundcolor[3] = STARTbackgroundcolor[3];
//}
//
//void makeCheckImages(void)
//{
//	int i, j, c;
//
//	for (i = 0; i < checkImageHeight; i++) {
//		for (j = 0; j < checkImageWidth; j++) {
//			c = ((((i & 0x8) == 0) ^ ((j & 0x8)) == 0)) * 255;
//			checkImage[i][j][0] = (GLubyte)c;   checkImage[i][j][1] = (GLubyte)c;
//			checkImage[i][j][2] = (GLubyte)c;   checkImage[i][j][3] = (GLubyte)255;
//
//			c = ((((i & 0x10) == 0) ^ ((j & 0x10)) == 0)) * 255;
//			otherImage[i][j][0] = (GLubyte)0;   otherImage[i][j][1] = (GLubyte)0;
//			otherImage[i][j][2] = (GLubyte)c;   otherImage[i][j][3] = (GLubyte)255;
//		}
//	}
//
//	for (i = 0; i < subImageHeight; i++) {
//		for (j = 0; j < subImageWidth; j++) {
//			c = ((((i & 0x4) == 0) ^ ((j & 0x4)) == 0)) * 255;
//			subImage[i][j][0] = (GLubyte)c;	subImage[i][j][1] = (GLubyte)0;
//			subImage[i][j][2] = (GLubyte)0;	subImage[i][j][3] = (GLubyte)255;
//		}
//	}
//}
//
//
//void gltMakeShadowMatrix(GLfloat vPlaneEquation[], GLfloat vLightPos[], GLfloat destMat[])
//{
//	GLfloat dot;
//
//	// Dot product of plane and light position
//	dot = vPlaneEquation[0] * vLightPos[0] + vPlaneEquation[1] * vLightPos[1] +
//		vPlaneEquation[2] * vLightPos[2] + vPlaneEquation[3] * vLightPos[3];
//
//	// Now do the projection
//	// First column
//	destMat[0] = dot - vLightPos[0] * vPlaneEquation[0];
//	destMat[4] = 0.0f - vLightPos[0] * vPlaneEquation[1];
//	destMat[8] = 0.0f - vLightPos[0] * vPlaneEquation[2];
//	destMat[12] = 0.0f - vLightPos[0] * vPlaneEquation[3];
//
//	// Second column
//	destMat[1] = 0.0f - vLightPos[1] * vPlaneEquation[0];
//	destMat[5] = dot - vLightPos[1] * vPlaneEquation[1];
//	destMat[9] = 0.0f - vLightPos[1] * vPlaneEquation[2];
//	destMat[13] = 0.0f - vLightPos[1] * vPlaneEquation[3];
//
//	// Third Column
//	destMat[2] = 0.0f - vLightPos[2] * vPlaneEquation[0];
//	destMat[6] = 0.0f - vLightPos[2] * vPlaneEquation[1];
//	destMat[10] = dot - vLightPos[2] * vPlaneEquation[2];
//	destMat[14] = 0.0f - vLightPos[2] * vPlaneEquation[3];
//
//	// Fourth Column
//	destMat[3] = 0.0f - vLightPos[3] * vPlaneEquation[0];
//	destMat[7] = 0.0f - vLightPos[3] * vPlaneEquation[1];
//	destMat[11] = 0.0f - vLightPos[3] * vPlaneEquation[2];
//	destMat[15] = dot - vLightPos[3] * vPlaneEquation[3];
//}
//
//void normalize(GLfloat v[3]) {
//	GLfloat d = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
//	if (d == 0.0) { exit(100); return; } // wrong input exit
//	v[0] /= d; v[1] /= d; v[2] /= d;
//}
//void normcrossprod(GLfloat v1[3], GLfloat v2[3], GLfloat out[3])
//{
//	out[0] = v1[1] * v2[2] - v1[2] * v2[1]; out[1] = v1[2] * v2[0] - v1[0] * v2[2];
//	out[2] = v1[0] * v2[1] - v1[1] * v2[0];	normalize(out);
//}
//
//void gltGetNormalVector(GLfloat v0[3], GLfloat //build normal 'norm'
//	v1[3], GLfloat v2[3], GLfloat norm[3])	// by the triangle vrtices
//{
//	GLfloat d1[3], d2[3];
//	for (int j = 0; j < 3; j++) {
//		d1[j] = v0[j] - v1[j];
//		d2[j] = v1[j] - v2[j];
//	}
//	normcrossprod(d1, d2, norm);
//}
//
//void SetupRC()
//{
//	initColors();
//	// Set color shading model to flat
//	glClearColor(0.0, 0.0, 0.0, 0.0);
//	glShadeModel(GL_SMOOTH);
//	glEnable(GL_DEPTH_TEST);
//
//	makeCheckImages();
//	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//
//	glGenTextures(2, texName);
//	glBindTexture(GL_TEXTURE_2D, texName[0]);
//
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
//	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
//		0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
//
//	glTexSubImage2D(GL_TEXTURE_2D, 0, 48, 170, subImageWidth,
//		subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
//
//	glTexSubImage2D(GL_TEXTURE_2D, 0, 48, 48, subImageWidth,
//		subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
//
//	glTexSubImage2D(GL_TEXTURE_2D, 0, 170, 48, subImageWidth,
//		subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
//
//	glTexSubImage2D(GL_TEXTURE_2D, 0, 170, 170, subImageWidth,
//		subImageHeight, GL_RGBA, GL_UNSIGNED_BYTE, subImage);
//
//	glBindTexture(GL_TEXTURE_2D, texName[1]);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
//	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
//
//	/*glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);*/
//	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
//		checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
//		otherImage);
//	//glEnable(GL_TEXTURE_2D);
//
//	// Clockwise-wound polygons are front facing; this is reversed
//	// because we are using triangle fans
//	glFrontFace(GL_CCW);
//
//	// Enable lighting
//	glEnable(GL_LIGHTING);
//	glEnable(GL_CULL_FACE);
//	glEnable(GL_DEPTH_TEST);
//	glPolygonMode(GL_BACK, GL_FILL);
//
//	// the light source GL_LIGHT0 is enabled:
//
//	// Set up and enable light 0
//	glLightfv(GL_LIGHT0, GL_AMBIENT, ambientLight);
//	glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuseLight);
//	glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
//	glEnable(GL_LIGHT0);
//	glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
//
//	// Enable color tracking
//	glEnable(GL_COLOR_MATERIAL);
//	// Front material ambient and diffuse colors track glColor
//	glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
//
//	// All materials hereafter have full specular reflectivity
//	// with a high shine
//	glMaterialfv(GL_FRONT, GL_SPECULAR, specref);
//	glMateriali(GL_FRONT, GL_SHININESS, 128);
//
//	// Light blue background
//	glClearColor(backgroundcolor[0], backgroundcolor[1],
//		backgroundcolor[2], backgroundcolor[3]);
//
//	// Calculate projection matrix to draw shadow on the ground
//	gltMakeShadowMatrix(vGroundPlane, lightPos, shadowMat);
//}
//
//void DrawGround(void)
//{
//	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//	glEnable(GL_TEXTURE_2D);
//	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
//	glBindTexture(GL_TEXTURE_2D, texName[0]);
//	glBegin(GL_QUADS);
//
//	glTexCoord2f(0.0, 0.0);  glVertex3f(400.0f, -150.0f, -700.0f); //glVertex3f(-2.0, -1.0, 0.0);
//	glTexCoord2f(0.0, 1.0);  glVertex3f(-400.0f, -150.0f, -700.0f); //glVertex3f(-2.0, 1.0, 0.0);
//
//	glTexCoord2f(1.0, 1.0);   glVertex3f(-400.0f, -150.0f, 200.0f); //glVertex3f(0.0, 1.0, 0.0);
//	glTexCoord2f(1.0, 0.0);   glVertex3f(400.0f, -150.0f, 200.0f);//glVertex3f(0.0, -1.0, 0.0);
//
//	glEnd();
//	/*glFlush();*/
//	glDisable(GL_TEXTURE_2D);
//}
//
//
//void MoveJet_or_Shadow(int obj)
//{
//	GLfloat  wtrans[3];
//	// move jet or its shadow to a new position
//
//	wtrans[0] = ktrans* trans[0];	wtrans[1] = ktrans* trans[1];
//	wtrans[2] = ktrans* trans[2];
//	if (obj == SHADOW)	// Multiply by shadow projection matrix
//		glMultMatrixf((GLfloat *)shadowMat);
//
//	glTranslatef(wtrans[0], wtrans[1], wtrans[2]);
//	glRotatef(jetrot, 0.0f, 1.0f, 0.0f);
//}
//
//
//void Jet_or_ShadowModel(GLenum mode, int obj)
//{
//	if (obj == SHADOW)
//	{
//		if (mode == GL_SELECT)  glLoadName(SHADOW);
//
//		// Begin a triangle fan  (far part of plane body)
//		glBegin(GL_TRIANGLE_FAN);
//
//		glVertex3fv(&vdata[0][0] /*  0.0f, 0.0f, 25.0f*/);
//		glVertex3fv(&vdata[1][0] /*5.0f, 0.0f*/);
//		glVertex3fv(&vdata[2][0] /*0.0f, 3.0f*/);
//		glVertex3fv(&vdata[3][0] /*-5.0f, 0.0f*/);
//		glVertex3fv(&vdata[1][0] /*5.0f, 0.0f*/);
//		glEnd();
//
//		glBegin(GL_TRIANGLE_FAN); // Begin a new triangle fan (close part of plane body)
//		glVertex3fv(&vdata[4][0] /*  {0.0f, 0.0f, -6.0f} */);
//		glVertex3fv(&vdata[1][0]);
//		glVertex3fv(&vdata[2][0]);
//		glVertex3fv(&vdata[3][0]);
//		glVertex3fv(&vdata[1][0]);
//		glEnd(); // Done drawing the fan (close part of plane body)
//
//		glBegin(GL_TRIANGLES);
//		// horiz tail
//		glVertex3fv(&vdata[5][0] /*-8.0f, 0.0f, 30.0*/);            // V0
//		glVertex3fv(&vdata[6][0] /*8.0f, 0.0f, 30.0*/);        // V1
//		glVertex3fv(&vdata[7][0] /*0.0f, 0.0f, 23.0*/);        // V2
//
//															   // vertic tail
//		glVertex3fv(&vdata[8][0] /*{0.0f, 0.0f, 30.0}*/);            // V0
//		glVertex3fv(&vdata[9][0] /*{0.0f, 8.0f, 30.0}*/);        // V1
//		glVertex3fv(&vdata[7][0] /*0.0f, 0.0f, 23.0*/);        // V2
//
//															   //wing
//		glVertex3fv(&vdata[10][0] /*{-20.0f, 1.0f, 10.0}*/);            // V0
//		glVertex3fv(&vdata[11][0] /*{ 20.0f, 1.0f, 10.0}*/);        // V1
//		glVertex3fv(&vdata[12][0] /*0.0f,  1.0f, 5.0*/);        // V2
//
//		glEnd();
//	};
//	if (obj == JET)
//	{
//		GLfloat norm[3];
//		if (mode == GL_SELECT)	glLoadName(JET);
//
//		if (mode == GL_SELECT)  glPushName(BODY);
//
//		glBegin(GL_TRIANGLE_FAN);
//
//		// Pinnacle of cone is shared vertex for fan, moved up z-axis
//		// to produce a cone instead of a circle
//		glVertex3fv(&vdata[0][0] /*  0.0f, 0.0f, 25.0f*/);
//
//		glVertex3fv(&vdata[1][0] /*5.0f, 0.0f*/);
//
//		gltGetNormalVector(&vdata[0][0], &vdata[1][0], &vdata[2][0], norm);/* color information here */
//		glNormal3fv(norm);/* color information here */
//		glColor3f(planebodycolor[0], planebodycolor[1], planebodycolor[2]);
//		glVertex3fv(&vdata[2][0] /*0.0f, 3.0f*/);
//
//		gltGetNormalVector(&vdata[0][0], &vdata[2][0], &vdata[3][0], norm);
//		glNormal3fv(norm);
//
//		glVertex3fv(&vdata[3][0] /*-5.0f, 0.0f*/);
//
//		gltGetNormalVector(&vdata[0][0], &vdata[3][0], &vdata[1][0], norm);
//		glNormal3fv(norm);
//
//		glVertex3fv(&vdata[1][0] /*5.0f, 0.0f*/);
//		glEnd();
//
//		if (mode == GL_SELECT)	glPopName(); //BODY
//
//		if (mode == GL_SELECT)  glPushName(NOSE);
//
//		glBegin(GL_TRIANGLE_FAN); // Begin a new triangle fan (close part of plane body)
//		glVertex3fv(&vdata[4][0] /*  {0.0f, 0.0f, -6.0f} */);
//
//		glVertex3fv(&vdata[1][0]);
//		gltGetNormalVector(&vdata[1][0], &vdata[4][0], &vdata[2][0], norm);/* color information here */
//		glNormal3fv(norm);/* color information here */
//
//		glVertex3fv(&vdata[2][0]);
//		gltGetNormalVector(&vdata[4][0], &vdata[3][0], &vdata[2][0], norm);
//		glNormal3fv(norm);
//
//		glVertex3fv(&vdata[3][0]);
//
//		gltGetNormalVector(&vdata[4][0], &vdata[1][0], &vdata[3][0], norm);
//		glNormal3fv(norm);
//
//		glVertex3fv(&vdata[1][0]);
//
//		glEnd(); // Done drawing the fan (close part of plane body)
//
//		if (mode == GL_SELECT)	    glPopName(); //NOSE
//
//		if (mode == GL_SELECT)	glPushName(TAIL);
//
//		glBegin(GL_TRIANGLES);
//		// horiz tail
//		if (mode == GL_SELECT)	  glPushName(TAILHORIZONTAL);
//		gltGetNormalVector(&vdata[5][0], &vdata[6][0], &vdata[7][0], norm);
//		glNormal3fv(norm);
//		glColor3f(hortailcolor1[0], hortailcolor1[1], hortailcolor1[2]);
//		glVertex3fv(&vdata[5][0] /*-8.0f, 0.0f, 30.0*/);            // V0
//		glVertex3fv(&vdata[6][0] /*8.0f, 0.0f, 30.0*/);        // V1
//		glColor3f(hortailcolor2[0], hortailcolor2[1], hortailcolor2[2]);
//		glVertex3fv(&vdata[7][0] /*0.0f, 0.0f, 23.0*/);        // V2
//		if (mode == GL_SELECT)  glPopName();
//		// vertic tail
//		if (mode == GL_SELECT)   glPushName(TAILVERTICAL);
//		gltGetNormalVector(&vdata[8][0], &vdata[9][0], &vdata[7][0], norm);
//		glNormal3fv(norm);
//		glColor3f(verttailcolor[0], verttailcolor[1], verttailcolor[2]);
//		glVertex3fv(&vdata[8][0] /*{0.0f, 0.0f, 30.0}*/);            // V0
//		glVertex3fv(&vdata[9][0] /*{0.0f, 8.0f, 30.0}*/);        // V1
//		glVertex3fv(&vdata[7][0] /*0.0f, 0.0f, 23.0*/);        // V2
//		if (mode == GL_SELECT)   glPopName(); //TAILVERTICAL
//
//		glEnd();
//
//		if (mode == GL_SELECT)    glPopName();   //TAIL
//
//		if (mode == GL_SELECT)    glPushName(WING);
//		//wing
//		glEnable(GL_TEXTURE_2D);
//		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
//		glBindTexture(GL_TEXTURE_2D, texName[1]);
//		glBegin(GL_TRIANGLES);
//		gltGetNormalVector(&vdata[11][0], &vdata[12][0], &vdata[10][0], norm);
//		glNormal3fv(norm);
//
//		glColor3f(wingcolor1[0], wingcolor1[1], wingcolor1[2]);
//		glTexCoord2f(0.0, 1.0);  glVertex3fv(&vdata[10][0] /*{-20.0f, 1.0f, 10.0}*/);            // V0
//		glTexCoord2f(1.0, 1.0);  glVertex3fv(&vdata[11][0] /*{ 20.0f, 1.0f, 10.0}*/);        // V1
//		glColor3f(wingcolor2[0], wingcolor2[1], wingcolor2[2]);
//		glTexCoord2f(0.5, 0.5); glVertex3fv(&vdata[12][0] /*0.0f,  1.0f, 5.0*/);        // V2
//		glEnd();   // GL_TRIANGLES
//		if (mode == GL_SELECT)   glPopName();  //WING      
//
//		glDisable(GL_TEXTURE_2D);
//
//	}
//}
//
//
//
//
//void DrawLight()
//{
//	glPushMatrix();
//	glTranslatef(lightPos[0], lightPos[1], lightPos[2]);
//	glColor3ub(255, 255, 0);
//	glutSolidSphere(5.0f, 10, 10);
//	glPopMatrix();
//}
//
//
//void RenderScene(GLenum mode)
//{
//	if (mode == GL_RENDER)
//	{
//		glMatrixMode(GL_PROJECTION);
//		glLoadIdentity();
//	}
//
//	//glOrtho (-100.0, 100.0, -100, 100, -270.0, 270.0);
//	//glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0);
//	gluPerspective(pers[0], pers[1], pers[2], pers[3]);
//	glMatrixMode(GL_MODELVIEW);
//	// Reset coordinate system
//	glLoadIdentity();
//	gluLookAt(ex, ey, ez, 0.0, -50.0, 0.0, 0.0, 1.0, 0.0);
//
//	// Clear the window and the depth buffer
//	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//	if (mode == GL_RENDER)
//		DrawGround();
//
//	// disable lighting and save the projection state
//	glDisable(GL_DEPTH_TEST);
//	glDisable(GL_LIGHTING);
//
//	glPushMatrix();   /* apply shadow matrix multiplication
//					  to moved Jet shadow model*/
//	MoveJet_or_Shadow(SHADOW); //MoveJetShadow(); 
//	glColor3f(shadowcolor[0], shadowcolor[1], shadowcolor[2]);
//
//	Jet_or_ShadowModel(mode, SHADOW);
//
//	glPopMatrix();  /* end drawing jet shadow */
//
//					// restore lighting and save the projection state
//	glEnable(GL_DEPTH_TEST);
//	glEnable(GL_LIGHTING);
//
//	glPushMatrix(); /* draw moved Jet model*/
//	MoveJet_or_Shadow(JET);//MoveJet();	
//
//	Jet_or_ShadowModel(mode, JET);
//	glPopMatrix(); 	 /* end jet drawing */
//
//					 // Draw the light source
//	DrawLight();
//
//	// Flush drawing commands
//	if (mode == GL_RENDER)
//		glFlush();
//}
//
//
//void anallizename(int name)
//{
//	int i;
//	if (name == SHADOW) {
//		for (i = 0; i<3; i++)
//			shadowcolor[i] += 0.25f*(1.0f - shadowcolor[i]);
//	}
//	else if (name == JET) {
//		for (i = 0; i<3; i++)
//		{
//			planebodycolor[i] += 0.25f*(1.0f - planebodycolor[i]);
//			hortailcolor1[i] += 0.25f*(1.0f - hortailcolor1[i]);
//			hortailcolor2[i] += 0.25f*(1.0f - hortailcolor2[i]);
//			wingcolor1[i] += 0.25f*(1.0f - wingcolor1[i]);
//			wingcolor2[i] += 0.25f*(1.0f - wingcolor2[i]);
//			verttailcolor[i] += 0.25f*(1.0f - verttailcolor[i]);
//		}
//	}
//	else  if (name == NOSE) {
//		for (i = 0; i<3; i++)
//		{
//			planebodycolor[i] += 0.25f*(1.0f - planebodycolor[i]);
//		}
//	}
//	else  if (name == BODY) {
//		for (i = 0; i<3; i++)
//		{
//			planebodycolor[i] += 0.25f*(1.0f - planebodycolor[i]);
//		}
//	}
//	else  if (name == WING) {
//		for (i = 0; i<3; i++)
//		{
//			wingcolor1[i] += 0.25f*(1.0f - wingcolor1[i]);
//			wingcolor2[i] += 0.25f*(1.0f - wingcolor2[i]);
//		}
//
//	}
//	else  if (name == TAIL) {
//		for (i = 0; i<3; i++)
//		{
//			hortailcolor1[i] += 0.25f*(1.0f - hortailcolor1[i]);
//			hortailcolor2[i] += 0.25f*(1.0f - hortailcolor2[i]);
//			verttailcolor[i] += 0.25f*(1.0f - verttailcolor[i]);
//		}
//	}
//	else  if (name == TAILVERTICAL) {
//		for (i = 0; i<3; i++)
//		{
//			verttailcolor[i] += 0.25f*(1.0f - verttailcolor[i]);
//		}
//	}
//	else  if (name == TAILHORIZONTAL) {
//		for (i = 0; i<3; i++)
//		{
//			hortailcolor1[i] += 0.25f*(1.0f - hortailcolor1[i]);
//			hortailcolor2[i] += 0.25f*(1.0f - hortailcolor2[i]);
//		}
//	}
//	glutPostRedisplay();
//}
//
//
///*  processHits prints out the contents of the
//*  selection array.
//*/
//void processHits(GLint hits, GLuint buffer[])
//{
//	if (hits == 0) {/*restore all colors*/
//		initColors();
//		return;
//	}
//
//	unsigned int i, j;
//	GLuint names, *ptr;
//
//	ptr = (GLuint *)buffer;
//	for (i = 0; i < hits; i++) {	/*  for each hit  */
//		names = *ptr;
//		ptr += 3;
//		//  SHADOW
//		// JET + a plane detail
//		// JET + a plane detail + subdetail
//		// SHADOW + JET + a plane detail 
//		// SHADOW + JET + a plane detail + subdetail
//		for (j = 0; j < names; j++)  /*  for each name */
//			anallizename(*ptr++);
//	}
//}
//
//void pickPlaneDetails(int button, int state, int x, int y)
//{
//
//	GLint hits;
//	GLint viewport[4];
//
//	if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
//		return;
//
//	glGetIntegerv(GL_VIEWPORT, viewport);
//
//	glSelectBuffer(BUFSIZE, selectBuf);
//	(void)glRenderMode(GL_SELECT);
//
//	glInitNames();
//	glPushName(0);
//
//	glMatrixMode(GL_PROJECTION);
//	glPushMatrix();
//	glLoadIdentity();
//	/*  create 5x5 pixel picking region near cursor location	*/
//	gluPickMatrix((GLdouble)x, (GLdouble)(viewport[3] - y),
//		5.0, 5.0, viewport);
//	/*gluOrtho2D (0.0, 3.0, 0.0, 3.0);
//	*/
//	RenderScene(GL_SELECT);
//
//	glMatrixMode(GL_PROJECTION);
//	glPopMatrix();
//	//glFlush ();
//
//	hits = glRenderMode(GL_RENDER);
//	processHits(hits, selectBuf);
//	glutPostRedisplay();
//}
//
//
//void ChangeSize(GLsizei w, GLsizei h)
//{    // Set Viewport to window dimensions
//	glViewport(0, 0, (GLsizei)w, (GLsizei)h);
//
//
//}
//
//void SpecialKeys(int key, int x, int y)
//{
//	GLfloat dx, dy, dz;
//
//	if (key == GLUT_KEY_UP)
//	{//increase distance from camera to origin
//		ex *= (1.0f + deltaR);  ey *= (1.0f + deltaR);	ez *= (1.0f + deltaR);
//
//		glutPostRedisplay();
//		return;
//	}
//
//	if (key == GLUT_KEY_DOWN)
//	{//reduce distance from camera to origin (close up)
//		ex *= (1.0f - deltaR); ey *= (1.0f - deltaR);	ez *= (1.0f - deltaR);
//
//		glutPostRedisplay();
//		return;
//	}
//
//	if (key == GLUT_KEY_LEFT)
//		//Rotate camera around origin in Oxz plane
//	{
//		dx = -ez;     dz = ex;
//		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
//		ex += delta*dx;       ez += delta*dz;
//		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
//		ex /= s1;	ey /= s1;	ey /= s1;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_RIGHT)
//		//Rotate camera around origin in Oxz plane
//	{
//		dx = -ez;     dz = ex;
//		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
//		ex -= delta*dx;      	ez -= delta*dz;
//		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
//		ex /= s1;	ey /= s1;	ey /= s1;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F5)//Rotate camera around origin in Oyz plane
//	{
//		dy = -ez;     dz = ey;
//		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
//		ey -= delta*dy;      	ez -= delta*dz;
//		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
//		ex /= s1;	ey /= s1;	ey /= s1;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F6)//Rotate camera around origin in Oyz plane
//	{
//		dy = -ez;     dz = ey;
//		GLfloat s = sqrtf(ex*ex + ey*ey + ez*ez);
//		ey += delta*dy;      	ez += delta*dz;
//		GLfloat s1 = sqrtf(ex*ex + ey*ey + ez*ez) / s;
//		ex /= s1;	ey /= s1;	ey /= s1;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F7)//Move jet forward 
//	{
//		ktrans += deltatrans;
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F8)//Rote jet  around origin in Oyz plane
//	{
//		ktrans += deltatrans;
//		jetrot += deljetrot;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F9)//Rote jet  around origin in Oyz plane
//	{
//		ktrans += deltatrans;
//		jetrot -= deljetrot;
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F1) {
//		bCull = !bCull;
//		// Turn on/off culling on if flag is set
//		if (bCull)   glEnable(GL_CULL_FACE);
//		else        glDisable(GL_CULL_FACE);
//
//		glutPostRedisplay(); return;
//	}
//	if (key == GLUT_KEY_F2) {
//		bDepth = !bDepth;
//		if (bDepth)  glEnable(GL_DEPTH_TEST);
//		else        glDisable(GL_DEPTH_TEST);
//
//		glutPostRedisplay(); return;
//	}
//
//	if (key == GLUT_KEY_F3) {
//		bOutline = !bOutline;
//
//		// Draw the back side as a wireframe only, if flag is set
//		if (bOutline)glPolygonMode(GL_BACK, GL_LINE);
//		else        glPolygonMode(GL_BACK, GL_FILL);
//
//		glutPostRedisplay();
//		return;
//	}
//	if (key == GLUT_KEY_F4)
//	{
//		bShade = !bShade;
//		if (bShade) { glShadeModel(GL_FLAT); }
//		else { glShadeModel(GL_SMOOTH); }
//
//		glutPostRedisplay();
//		return;
//	}
//}
//
//void display(void)
//{
//	glClear(GL_COLOR_BUFFER_BIT);
//	RenderScene(GL_RENDER);
//
//}
//
//int main(int argc, char** argv)
//{
//	glutInit(&argc, argv);
//	glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
//	glutInitWindowSize(500, 500);
//	glutInitWindowPosition(100, 100);
//	glutCreateWindow(argv[0]);
//	glutDisplayFunc(display);
//	glutReshapeFunc(ChangeSize);
//	glutSpecialFunc(SpecialKeys);
//
//	glutMouseFunc(pickPlaneDetails);
//	SetupRC();
//	glutMainLoop();
//	return 0;
//}
//