void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
drawShip(angle);
drawRocks();
drawBullets();
glutSwapBuffers();
}
void kbd(unsigned char key, int x, int y)
{
if(key == 'q' || key == 'Q')
{
exit(0); //quite the program
}
//if the "q" key is pressed, quit the program
if(key == 'z')
{
// pos -= 1;
eye[1] -= 2.0;
//point[1]-=cameraspeed;
}
if(key == 'x')
{
// pos += 1;
eye[1] +=2.0;
//point[1]+=cameraspeed;
}
if(key =='l' || key =='L'){
if (lightOn == true) {
glEnable(GL_LIGHTING);
lightOn = false;
}
else if(lightOn == false) {
glDisable(GL_LIGHTING);
lightOn = true;
}
}
if(key =='1' || key =='1'){
glPushMatrix();
glTranslatef(0, 0, 0);
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'G');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'A');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'M');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'E');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,' ');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'O');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'V');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'E');
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,'R');
glPopMatrix();
}
if(key =='2' || key =='2'){
drawstar();
drawRocks();
}
if (key == 'w' || key == 'W') {
planepos[1] = planepos[1]+25;
}
if (key == 's' || key == 'S') {
planepos[1] = planepos[1]-25;
}
if (key == 'a' || key == 'A') {
planepos[0] = planepos[0]-25;
}
if (key == 'd' || key == 'D') {
planepos[0] = planepos[0]+25;
}
}
void display()
{
/*---------------------------------------Lighting ------------------------------------------------*/
typedef struct materialStruct {
float ambient[4];
float diffuse[4];
float specular[4];
float emission[4];
float m_amb[4];
float m_diff[4];
float m_spec[4] ;
float shininess;
} materialStruct;
materialStruct redPlastic = {
{0.0, 0.0, 0.3, 1.0},
{0.0, 0.4, 0.1, 1.0},
{0.6, 0.6, 0.8, 1.0},
{0.0, 0.0, 0.0, 0.0},
{0.03, 0.22, 0.03, 1.0},
{0.18, 0.77, 0.1, 1.0},
{0.10, 0.41, 0.29, 1.0},
50.0
};
// glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light_pos); //First light point
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLightfv(GL_LIGHT0, GL_AMBIENT, redPlastic.ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, redPlastic.diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, redPlastic.specular);
glEnable(GL_LIGHT1);
glLightfv(GL_LIGHT1, GL_POSITION, light_pos1); //Second Light point
glLightfv(GL_LIGHT1, GL_AMBIENT, redPlastic.ambient);
glLightfv(GL_LIGHT1, GL_DIFFUSE, redPlastic.diffuse);
glLightfv(GL_LIGHT1, GL_SPECULAR, redPlastic.specular);
typedef struct materialStruct2 {
float ambient[4];
float diffuse[4];
float specular[4];
float emission[4];
float m_amb[4];
float m_diff[4];
float m_spec[4] ;
float shininess;
} materialStruct2;
materialStruct2 redPlastic2 = {
{0.0, 0.0, 0.3, 1.0},
{0.6, 0.1, 0.1, 1.0},
{0.6, 0.6, 0.8, 1.0},
{0.0, 0.0, 0.0, 0.0},
{0.03, 0.02, 0.33, 1.0},
{0.78, 0.17, 0.21, 1.0},
{0.30, 0.11, 0.19, 1.0},
50.0
};
glEnable(GL_LIGHT2);
glLightfv(GL_LIGHT2, GL_POSITION, light_pos2); //Third Light point
glLightfv(GL_LIGHT2, GL_AMBIENT, redPlastic2.ambient);
glLightfv(GL_LIGHT2, GL_DIFFUSE, redPlastic2.diffuse);
glLightfv(GL_LIGHT2, GL_SPECULAR, redPlastic2.specular);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, redPlastic2.ambient);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, redPlastic2.diffuse);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, redPlastic2.specular);
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, redPlastic2.shininess);
//clear the screen
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity();
if (deltaMove)
computePos(deltaMove);
if (deltaAngle)
computeDir(deltaAngle);
//gluLookAt(0, 30, 70, 0, 0, 0, 0, 1, 0);
gluLookAt(eye[0],eye[1],eye[2],eye[0]+point[0],eye[1],eye[2]+point[2],0,1,0);
camerapos [0] = eye[0];
camerapos[2] = eye[2];
//optionally draw the axis
//glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_24, "SPACE Helicopter PRO");
//drawAxis();
drawstar();
drawRocks();
glPushMatrix();
/*---------------------------------------Solar system-----------------------------------------*/
//Venus
glRotatef(ang/200, 0, 1, 1);
glTranslatef(100, 0, 0);
glColor3f(1, 0, 0);
glScalef(2, 2, 2);
drawsphere();
glPopMatrix();
glPushMatrix();
//Earth
glRotatef(ang/250, 0, 1, 1);
glTranslatef(150, 0, 0);
glColor3f(0, 0, 1);
glScalef(3, 3, 3);
drawsphere();
//moon
glRotatef(ang/80, 0, 1, 1);
glTranslatef(75, 0, 0);
glColor3f(1, .5, .5);
glScalef(1, 1, 1);
drawsphere();
glPopMatrix();
glPushMatrix();
//Mars
glRotatef(ang/500, 0, 1, 0);
glTranslatef(200, 0, 0);
glColor3f(1, 0, 0);
glScalef(5, 5, 5);
drawsphere();
glRotatef(ang/800, 0, 1, 1);
glTranslatef(-500, 0, 0);
glColor3f(.5, .5, .5);
glScalef(3, 3, 3);
drawsphere();
glPopMatrix();
glRotatef(ang/800, 0, 1, 1);
glTranslatef(500, 0, 0);
glColor3f(.5, .5, .5);
glScalef(3, 3, 3);
drawsphere();
glRotatef(ang/550, 0, 1, 1);
glTranslatef(-200, 0, 0);
//glRotatef(ang, 0, 1, 0);
glScalef(5, 5, 5);
glPopMatrix();
glPopMatrix();
glPopMatrix();
/*---------------------------------------Draw Light Source-----------------------------------------*/
glPushMatrix();
glTranslated(light_pos2[0], light_pos2[1], light_pos2[2]);
glColor3f(1, 1, 0);
glPopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
