void racing_loop( scalar_t time_step )
{
int width, height;
player_data_t *plyr = get_player_data( local_player() );
bool_t joy_paddling = False;
bool_t joy_braking = False;
bool_t joy_charging = False;
bool_t airborne;
vector_t dir;
scalar_t speed;
scalar_t terrain_weights[NumTerrains];
int new_terrain = 0;
int slide_volume;
dir = plyr->vel;
speed = normalize_vector(&dir);
airborne = plyr->airborne;
width = getparam_x_resolution();
height = getparam_y_resolution();
check_gl_error();
new_frame_for_fps_calc();
update_audio();
clear_rendering_context();
setup_fog();
/* Update braking */
plyr->control.is_braking = (bool_t) ( braking || joy_braking );
if ( airborne ) {
new_terrain = (1<<NumTerrains);
/*
* Tricks
*/
if ( trick_modifier) {
if (left_turn) {
plyr->control.barrel_roll_left = True;
}
if (right_turn) {
plyr->control.barrel_roll_right = True;
}
if (paddling) {
plyr->control.front_flip = True;
}
if (plyr->control.is_braking) {
plyr->control.back_flip = True;
}
//Par défaut ca fait un front flip
if(!plyr->control.front_flip && !plyr->control.back_flip &&
!plyr->control.barrel_roll_right && !plyr->control.barrel_roll_left )
{
plyr->control.back_flip = True;
}
#ifdef __APPLE__
TRDebugLog("tricks : %d",plyr->tricks);
#endif
}
} else {
get_surface_type(plyr->pos.x, plyr->pos.z, terrain_weights);
if (terrain_weights[Snow] > 0) {
new_terrain |= (1<<Snow);
}
if (terrain_weights[Rock] > 0) {
new_terrain |= (1<<Rock);
}
if (terrain_weights[Ice] > 0) {
new_terrain |= (1<<Ice);
}
}
/*
* Jumping
*/
calc_jump_amt( time_step );
if ( ( charging || joy_charging ) &&
!plyr->control.jump_charging && !plyr->control.jumping )
{
plyr->control.jump_charging = True;
charge_start_time = g_game.time;
}
if ( ( !charging && !joy_charging ) && plyr->control.jump_charging ) {
plyr->control.jump_charging = False;
plyr->control.begin_jump = True;
}
/*
* Turning
*/
scalar_t iPhone_turn_fact=accelerometerTurnFact();
iPhone_turn_fact=accelerometerTurnFact();
/*left_turn and right_turn are informations useful for tricks*/
if (iPhone_turn_fact>TURN_FACTOR_LIMIT) {
left_turn=false;
right_turn=true;
}
else if (iPhone_turn_fact<-TURN_FACTOR_LIMIT) {
left_turn=true;
right_turn=false;
} else left_turn = right_turn = false;
plyr->control.turn_fact = iPhone_turn_fact;
plyr->control.turn_animation = iPhone_turn_fact;
/*
* Paddling
*/
if ( ( paddling || joy_paddling ) && plyr->control.is_paddling == False ) {
plyr->control.is_paddling = True;
plyr->control.paddle_time = g_game.time;
}
/*
* Play flying sound (__APPLE__ : and add Flying time to plyr->control.fly_total_time)
*/
if (new_terrain & (1<<NumTerrains)) {
set_sound_volume("flying_sound", min(128, speed*2));
if (!(last_terrain & (1<<NumTerrains))) {
play_sound( "flying_sound", -1 );
plyr->control.is_flying=true;
plyr->control.fly_start_time = g_game.time;
}
} else {
if (last_terrain & (1<<NumTerrains)) {
plyr->control.is_flying=false;
plyr->control.fly_end_time = g_game.time;
if (plyr->control.fly_end_time-plyr->control.fly_start_time>FLYING_TIME_LIMIT) {
plyr->control.fly_total_time += plyr->control.fly_end_time-plyr->control.fly_start_time;
}
halt_sound( "flying_sound" );
}
}
/*
* Play sliding sound
*/
slide_volume = min( (((pow(plyr->control.turn_fact, 2)*128)) +
(plyr->control.is_braking?128:0) +
(plyr->control.jumping?128:0) +
20) *
(speed/10), 128 );
if (new_terrain & (1<<Snow)) {
set_sound_volume("snow_sound", slide_volume * terrain_weights[Snow]);
if (!(last_terrain & (1<<Snow))) {
play_sound( "snow_sound", -1 );
}
} else {
if (last_terrain & (1<<Snow)) {
halt_sound( "snow_sound" );
}
}
if (new_terrain & (1<<Rock)) {
//set_sound_volume("rock_sound", 128*pow((speed/2), 2) * terrain_weights[Rock]);
int rockvol = slide_volume * 10 * terrain_weights[Rock];
if (rockvol > 400)
rockvol = 400;
set_sound_volume("rock_sound", rockvol);
if (!(last_terrain & (1<<Rock))) {
play_sound( "rock_sound", -1 );
}
} else {
if (last_terrain & (1<<Rock)) {
halt_sound( "rock_sound" );
}
}
if (new_terrain & (1<<Ice)) {
set_sound_volume("ice_sound", slide_volume * terrain_weights[Ice]);
if (!(last_terrain & (1<<Ice))) {
play_sound( "ice_sound", -1 );
}
} else {
if (last_terrain & (1<<Ice)) {
halt_sound( "ice_sound" );
}
}
last_terrain = new_terrain;
/*
* gs
*/
bool roll = plyr->control.barrel_roll_left || plyr->control.barrel_roll_right;
bool flip = plyr->control.front_flip || plyr->control.back_flip;
if(roll && plyr->control.barrel_roll_factor == 0)
{
if(flip)
{
if(plyr->control.barrel_roll_left)
add_new_bonus("Hyper heavy Jump", get_score_for_trick(HYPER_HEAVY_JUMP));
else
add_new_bonus("Ray star hybrid Jump", get_score_for_trick(RAY_STAR_HYBRID_JUMP));
}
else
{
if(plyr->control.barrel_roll_left)
add_new_bonus("Roll Left", get_score_for_trick(ROLL_LEFT));
else
add_new_bonus("Roll Right", get_score_for_trick(ROLL_RIGHT));
}
}
if(flip && plyr->control.flip_factor == 0)
{
if(roll)
{
if(plyr->control.back_flip)
add_new_bonus("Saturn ice Fever", get_score_for_trick(SATURN_ICE_FEVER));
else
add_new_bonus("Wild pinguin Show", get_score_for_trick(WILD_PINGUIN_SHOW));
}
else
{
if(plyr->control.back_flip)
add_new_bonus("Back Flip", get_score_for_trick(BACK_FLIP));
else
add_new_bonus("Barlow's Wheel", get_score_for_trick(BARLOWS_WHEEL));
}
}
if (roll) {
plyr->tricks+=1;
plyr->control.barrel_roll_factor +=
( plyr->control.barrel_roll_left ? -1 : 1 ) * 0.05 * time_step / 0.05;
if ( (plyr->control.barrel_roll_factor > 1) ||
(plyr->control.barrel_roll_factor < -1) ) {
plyr->control.barrel_roll_factor = 0;
plyr->control.barrel_roll_left = plyr->control.barrel_roll_right = False;
}
}
if (flip) {
plyr->tricks+=1;
plyr->control.flip_factor +=
( plyr->control.back_flip ? -1 : 1 ) * 0.05 * time_step / 0.05;
if ( (plyr->control.flip_factor > 1) ||
(plyr->control.flip_factor < -1) ) {
plyr->control.flip_factor = 0;
plyr->control.front_flip = plyr->control.back_flip = False;
}
}
update_player_pos( plyr, time_step );
/*
* Track Marks
*/
add_track_mark( plyr );
update_view( plyr, time_step );
setup_view_frustum( plyr, NEAR_CLIP_DIST,
getparam_forward_clip_distance() );
draw_sky(plyr->view.pos);
draw_fog_plane();
set_course_clipping( True );
set_course_eye_point( plyr->view.pos );
setup_course_lighting();
render_course();
draw_trees();
if ( getparam_draw_particles() ) {
update_particles( time_step );
draw_particles( plyr );
}
draw_tux();
draw_tux_shadow();
draw_hud( plyr );
draw_hud_training(plyr);
reshape( width, height );
winsys_swap_buffers();
g_game.time += time_step;
}
void racing_loop( scalar_t time_step )
{
int width, height;
player_data_t *plyr = get_player_data( local_player() );
bool_t joy_left_turn = False;
bool_t joy_right_turn = False;
scalar_t joy_turn_fact = 0.0;
bool_t joy_paddling = False;
bool_t joy_braking = False;
bool_t joy_tricks = False;
bool_t joy_charging = False;
bool_t airborne;
vector_t dir;
scalar_t speed;
scalar_t terrain_weights[NumTerrains];
int new_terrain = 0;
int slide_volume;
dir = plyr->vel;
speed = normalize_vector(&dir);
airborne = (bool_t) ( plyr->pos.y > ( find_y_coord(plyr->pos.x,
plyr->pos.z) +
JUMP_MAX_START_HEIGHT ) );
width = getparam_x_resolution();
height = getparam_y_resolution();
check_gl_error();
new_frame_for_fps_calc();
update_audio();
clear_rendering_context();
setup_fog();
/*
* Joystick
*/
if ( is_joystick_active() ) {
scalar_t joy_x;
scalar_t joy_y;
update_joystick();
joy_x = get_joystick_x_axis();
joy_y = get_joystick_y_axis();
if ( joy_x > 0.1 ) {
joy_right_turn = True;
joy_turn_fact = joy_x;
} else if ( joy_x < -0.1 ) {
joy_left_turn = True;
joy_turn_fact = joy_x;
}
if ( getparam_joystick_brake_button() >= 0 ) {
joy_braking =
is_joystick_button_down( getparam_joystick_brake_button() );
}
if ( !joy_braking ) {
joy_braking = (bool_t) ( joy_y > 0.5 );
}
if ( getparam_joystick_paddle_button() >= 0 ) {
joy_paddling =
is_joystick_button_down( getparam_joystick_paddle_button() );
}
if ( !joy_paddling ) {
joy_paddling = (bool_t) ( joy_y < -0.5 );
}
if ( getparam_joystick_jump_button() >= 0 ) {
joy_charging =
is_joystick_button_down( getparam_joystick_jump_button() );
}
if ( getparam_joystick_trick_button() >= 0 ) {
joy_tricks =
is_joystick_button_down( getparam_joystick_trick_button() );
}
}
/* Update braking */
plyr->control.is_braking = (bool_t) ( braking || joy_braking );
if ( airborne ) {
new_terrain = (1<<NumTerrains);
/*
* Tricks
*/
if ( trick_modifier || joy_tricks ) {
if ( left_turn || joy_left_turn ) {
plyr->control.barrel_roll_left = True;
}
if ( right_turn || joy_right_turn ) {
plyr->control.barrel_roll_right = True;
}
if ( paddling || joy_paddling ) {
plyr->control.front_flip = True;
}
if ( plyr->control.is_braking ) {
plyr->control.back_flip = True;
}
}
} else {
get_surface_type(plyr->pos.x, plyr->pos.z, terrain_weights);
if (terrain_weights[Snow] > 0) {
new_terrain |= (1<<Snow);
}
if (terrain_weights[Rock] > 0) {
new_terrain |= (1<<Rock);
}
if (terrain_weights[Ice] > 0) {
new_terrain |= (1<<Ice);
}
}
/*
* Jumping
*/
calc_jump_amt( time_step );
if ( ( charging || joy_charging ) &&
!plyr->control.jump_charging && !plyr->control.jumping )
{
plyr->control.jump_charging = True;
charge_start_time = g_game.time;
}
if ( ( !charging && !joy_charging ) && plyr->control.jump_charging ) {
plyr->control.jump_charging = False;
plyr->control.begin_jump = True;
}
/*
* Turning
*/
if ( ( left_turn || joy_left_turn ) ^ (right_turn || joy_right_turn ) ) {
bool_t turning_left = (bool_t) ( left_turn || joy_left_turn );
if ( joy_left_turn || joy_right_turn ) {
plyr->control.turn_fact = joy_turn_fact;
} else {
plyr->control.turn_fact = (turning_left?-1:1);
}
plyr->control.turn_animation += (turning_left?-1:1) *
0.15 * time_step / 0.05;
plyr->control.turn_animation =
min(1.0, max(-1.0, plyr->control.turn_animation));
} else {
plyr->control.turn_fact = 0;
/* Decay turn animation */
if ( time_step < ROLL_DECAY_TIME_CONSTANT ) {
plyr->control.turn_animation *=
1.0 - time_step/ROLL_DECAY_TIME_CONSTANT;
} else {
plyr->control.turn_animation = 0.0;
}
}
/*
* Paddling
*/
if ( ( paddling || joy_paddling ) && plyr->control.is_paddling == False ) {
plyr->control.is_paddling = True;
plyr->control.paddle_time = g_game.time;
}
/*
* Play flying sound
*/
if (new_terrain & (1<<NumTerrains)) {
set_sound_volume("flying_sound", min(128, speed*2));
if (!(last_terrain & (1<<NumTerrains))) {
play_sound( "flying_sound", -1 );
}
} else {
if (last_terrain & (1<<NumTerrains)) {
halt_sound( "flying_sound" );
}
}
/*
* Play sliding sound
*/
slide_volume = min( (((pow(plyr->control.turn_fact, 2)*128)) +
(plyr->control.is_braking?128:0) +
(plyr->control.jumping?128:0) +
20) *
(speed/10), 128 );
if (new_terrain & (1<<Snow)) {
set_sound_volume("snow_sound", slide_volume * terrain_weights[Snow]);
if (!(last_terrain & (1<<Snow))) {
play_sound( "snow_sound", -1 );
}
} else {
if (last_terrain & (1<<Snow)) {
halt_sound( "snow_sound" );
}
}
if (new_terrain & (1<<Rock)) {
set_sound_volume("rock_sound", 128*pow((speed/2), 2) *
terrain_weights[Rock]);
if (!(last_terrain & (1<<Rock))) {
play_sound( "rock_sound", -1 );
}
} else {
if (last_terrain & (1<<Rock)) {
halt_sound( "rock_sound" );
}
}
if (new_terrain & (1<<Ice)) {
set_sound_volume("ice_sound", slide_volume * terrain_weights[Ice]);
if (!(last_terrain & (1<<Ice))) {
play_sound( "ice_sound", -1 );
}
} else {
if (last_terrain & (1<<Ice)) {
halt_sound( "ice_sound" );
}
}
last_terrain = new_terrain;
/*
* Tricks
*/
if ( plyr->control.barrel_roll_left || plyr->control.barrel_roll_right ) {
plyr->control.barrel_roll_factor +=
( plyr->control.barrel_roll_left ? -1 : 1 ) * 0.15 * time_step / 0.05;
if ( (plyr->control.barrel_roll_factor > 1) ||
(plyr->control.barrel_roll_factor < -1) ) {
plyr->control.barrel_roll_factor = 0;
plyr->control.barrel_roll_left = plyr->control.barrel_roll_right = False;
}
}
if ( plyr->control.front_flip || plyr->control.back_flip ) {
plyr->control.flip_factor +=
( plyr->control.back_flip ? -1 : 1 ) * 0.15 * time_step / 0.05;
if ( (plyr->control.flip_factor > 1) ||
(plyr->control.flip_factor < -1) ) {
plyr->control.flip_factor = 0;
plyr->control.front_flip = plyr->control.back_flip = False;
}
}
update_player_pos( plyr, time_step );
/*
* Track Marks
*/
add_track_mark( plyr );
update_view( plyr, time_step );
setup_view_frustum( plyr, NEAR_CLIP_DIST,
getparam_forward_clip_distance() );
draw_sky(plyr->view.pos);
draw_fog_plane();
set_course_clipping( True );
set_course_eye_point( plyr->view.pos );
setup_course_lighting();
render_course();
draw_trees();
if ( getparam_draw_particles() ) {
update_particles( time_step );
draw_particles( plyr );
}
draw_tux();
draw_tux_shadow();
draw_hud( plyr );
reshape( width, height );
winsys_swap_buffers();
g_game.time += time_step;
}
void game_over_loop( scalar_t time_step )
{
player_data_t *plyr = get_player_data( local_player() );
int width, height;
width = getparam_x_resolution();
height = getparam_y_resolution();
check_gl_error();
/* Check joystick */
if ( is_joystick_active() ) {
update_joystick();
if ( is_joystick_continue_button_down() )
{
set_game_mode( NEXT_MODE );
winsys_post_redisplay();
return;
}
}
new_frame_for_fps_calc();
update_audio();
clear_rendering_context();
setup_fog();
update_player_pos( plyr, 0 );
update_view( plyr, 0 );
setup_view_frustum( plyr, NEAR_CLIP_DIST,
getparam_forward_clip_distance() );
draw_sky(plyr->view.pos);
draw_fog_plane();
set_course_clipping( True );
set_course_eye_point( plyr->view.pos );
setup_course_lighting();
render_course();
draw_trees();
if ( getparam_draw_particles() ) {
draw_particles( plyr );
}
draw_tux();
draw_tux_shadow();
set_gl_options( GUI );
ui_setup_display();
draw_game_over_text();
#ifndef __APPLE__
draw_hud( plyr );
#endif
draw_hud_training(plyr);
reshape( width, height );
winsys_swap_buffers();
}
void myinit()
{
glClearColor(0.0, 0.0, 0.0, 1.0); /*set the background color BLACK */
/*Clear the Depth & Color Buffers */
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
/*---Create a light source----*/
glEnable(GL_LIGHTING);
setup_light();
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, global_ambient);
glEnable(GL_NORMALIZE); /*Enable mornalization */
/*---Create quadratic objects---*/
if (sphere == NULL) {
sphere = gluNewQuadric();
gluQuadricDrawStyle(sphere, GLU_FILL);
gluQuadricNormals(sphere, GLU_SMOOTH);
}
if (cylind == NULL) {
cylind = gluNewQuadric();
gluQuadricDrawStyle(cylind, GLU_FILL);
gluQuadricNormals(cylind, GLU_SMOOTH);
}
if (disk == NULL) {
disk = gluNewQuadric();
gluQuadricDrawStyle(disk, GLU_FILL);
gluQuadricNormals(disk, GLU_SMOOTH);
}
/*-----Create Texture -----*/
make_check();
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glGenTextures(4, textName);
glBindTexture(GL_TEXTURE_2D, textName[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_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TSIZE, TSIZE, 0, GL_RGBA,
GL_UNSIGNED_BYTE, checkboard);
/*-----Create another texture ----*/
Create_Texture_Star();
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glBindTexture(GL_TEXTURE_2D, textName[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_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TSIZE, TSIZE, 0, GL_RGBA,
GL_UNSIGNED_BYTE, star);
brick_pattern();
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glBindTexture(GL_TEXTURE_2D, textName[2]);
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_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TSIZE, TSIZE, 0, GL_RGBA,
GL_UNSIGNED_BYTE, brick);
Create_Texture_Waterwave();
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glBindTexture(GL_TEXTURE_2D, textName[3]);
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_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TSIZE, TSIZE, 0, GL_RGBA,
GL_UNSIGNED_BYTE, waterwave);
/*----Set up fog conditions ---*/
glEnable(GL_FOG); /*enable fog fade */
setup_fog();
/*---- Compute cos(5.0) and sin(5.0) ----*/
cv = cos(5.0*PI / 180.0);
sv = sin(5.0*PI / 180.0);
/*---- Copy eye position ---*/
eye[0] = Eye[0];
eye[1] = Eye[1];
eye[2] = Eye[2];
}
void my_quit(unsigned char key, int ix, int iy)
{
double m, n;
int i;
float x[3], y[3], z[3];
if (key == 'q') {
style = 0;
self_ang = -90.0; glob_ang = 0.0; up_ang = 0.0; bld_ang = 10.0;
float positions[3] = { 0.0, 0.0, 0.0 };
float temps[3] = { 0.0,0.0,0.0 };
double Eyes[3] = { 0.0, 0.0, 30.0 }, Focuss[3] = { 0.0, 0.0, 0.0 },
Vups[3] = { 0.0, 1.0, 0.0 };
float us[3][3] = { { 1.0,0.0,0.0 },{ 0.0,1.0,0.0 },{ 0.0,0.0,1.0 } };
float Fog_color[] = { 0.15, 0.20, 0.20, 0.50 };
for (int i = 0; i < 3; i++) {
position[i] = positions[i];
temp[i] = temps[i];
Eye[i] = Eyes[i];
Focus[i] = Focuss[i];
Vup[i] = Vups[i];
fog_color[i] = Fog_color[i];
for (int j = 0; j < 3; j++)
u[i][j] = us[i][j];
}
setup_fog();
zoom = 1.0;
eyeDx = 0.0; eyeDy = 0.0; eyeDz = 0.0;
eyeAngx = 0.0; eyeAngy = 0.0; eyeAngz = 0.0;
eye[0] = Eye[0];
eye[1] = Eye[1];
eye[2] = Eye[2];
}
if (key == 'Q') exit(0);
if (key == '0') {
trun0++;
if (trun0 % 2 != 0) glEnable(GL_LIGHT0);
else glDisable(GL_LIGHT0);
}
if (key == '1') {
trun1++;
if (trun1 % 2 != 0) glEnable(GL_LIGHT1);
else glDisable(GL_LIGHT1);
}
if (key == '3') {
trun23++;
if (trun23 % 2 != 0) {
glEnable(GL_LIGHT2);
glEnable(GL_LIGHT3);
}
else {
glDisable(GL_LIGHT2);
glDisable(GL_LIGHT3);
}
}
if (key == '5') {
trun45++;
if (trun45 % 2 != 0) {
glEnable(GL_LIGHT4);
glEnable(GL_LIGHT5);
}
else {
glDisable(GL_LIGHT4);
glDisable(GL_LIGHT5);
}
}
if (key == '9') position[1] += 1.0;
if (key == '8') {
position[0] += Step*cos(self_ang*PI / 180.0);
position[2] -= Step*sin(self_ang*PI / 180.0);
if (50 >= (position[0] + 5) && (position[0] + 5) >= 10) {
if (40 >= (position[2] + 8) && (position[2] + 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] + 5) && (position[0] + 5) >= 10) {
if (40 >= (position[2] - 8) && (position[2] - 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] - 5) && (position[0] - 5) >= 10) {
if (40 >= (position[2] - 8) && (position[2] - 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] - 5) && (position[0] - 5) >= 10) {
if (40 >= (position[2] + 8) && (position[2] + 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
if (-20.0 >= (position[0] + 5) && (position[0] + 5) >= -35.0) {
if (-20 >= (position[2] + 8) && (position[2] + 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] + 5) && (position[0] + 5) >= -35.0) {
if (-20 >= (position[2] - 8) && (position[2] - 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] - 5) && (position[0] - 5) >= -35.0) {
if (-20 >= (position[2] + 8) && (position[2] + 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] - 5) && (position[0] - 5) >= -35.0) {
if (-20 >= (position[2] - 8) && (position[2] - 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (key == '2') {
position[0] -= Step*cos(self_ang*PI / 180.0);
position[2] += Step*sin(self_ang*PI / 180.0);
if (50 >= (position[0] + 5) && (position[0] + 5) >= 10) {
if (40 >= (position[2] + 8) && (position[2] + 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] + 5) && (position[0] + 5) >= 10) {
if (40 >= (position[2] - 8) && (position[2] - 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] - 5) && (position[0] - 5) >= 10) {
if (40 >= (position[2] - 8) && (position[2] - 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else if (50 >= (position[0] - 5) && (position[0] - 5) >= 10) {
if (40 >= (position[2] + 8) && (position[2] + 8) >= 17.5) {
up_ang = 40;
m = position[2] - 20;
position[1] = m * 2 / 3;
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
}
else {
up_ang = 0.0;
position[1] = 0.0;
}
if (-20.0 >= (position[0] + 5) && (position[0] + 5) >= -35.0) {
if (-20 >= (position[2] + 8) && (position[2] + 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] + 5) && (position[0] + 5) >= -35.0) {
if (-20 >= (position[2] - 8) && (position[2] - 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] - 5) && (position[0] - 5) >= -35.0) {
if (-20 >= (position[2] + 8) && (position[2] + 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (-20.0 >= (position[0] - 5) && (position[0] - 5) >= -35.0) {
if (-20 >= (position[2] - 8) && (position[2] - 8) >= -35) {
position[0] = temp[0];
position[2] = temp[2];
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else {
temp[0] = position[0];
temp[2] = position[2];
}
}
else if (key == '4') {
self_ang += 10.0;
}
else if (key == '6') {
self_ang -= 10.0;
}
/*------transform the EYE coordinate system ------*/
else if (key == ')') {
style = 0;
}
else if (key == '!') {
style = 1;
}
else if (key == '@') {
style = 2;
}
else if (key == '#') {
style = 3;
}
else if (key == '$') {
style = 4;
}
else if (key == '-') {
zoom += 0.1;
}
else if (key == '+') {
zoom -= 0.1;
}
else if (key == 'u') {
eyeDy += 0.5; /* move up */
for (i = 0; i<3; i++) eye[i] -= 0.5*u[1][i];
}
else if (key == 'd') {
eyeDy += -0.5; /* move down */
for (i = 0; i<3; i++) eye[i] += 0.5*u[1][i];
}
else if (key == 'w') {
eyeDx += -0.5; /* move left */
for (i = 0; i<3; i++) eye[i] += 0.5*u[0][i];
}
else if (key == 'e') {
eyeDx += 0.5; /* move right */
for (i = 0; i<3; i++) eye[i] -= 0.5*u[0][i];
}
else if (key == 'n') {
eyeDz += 0.5; /* zoom in */
for (i = 0; i<3; i++) eye[i] -= 0.5*u[2][i];
}
else if (key == 'f') {
eyeDz += -0.5; /* zoom out */
for (i = 0; i<3; i++) eye[i] += 0.5*u[2][i];
}
else if (key == 'p') { /* pitching */
eyeAngx += 5.0;
if (eyeAngx > 360.0) eyeAngx -= 360.0;
y[0] = u[1][0] * cv - u[2][0] * sv;
y[1] = u[1][1] * cv - u[2][1] * sv;
y[2] = u[1][2] * cv - u[2][2] * sv;
z[0] = u[2][0] * cv + u[1][0] * sv;
z[1] = u[2][1] * cv + u[1][1] * sv;
z[2] = u[2][2] * cv + u[1][2] * sv;
for (i = 0; i<3; i++) {
u[1][i] = y[i];
u[2][i] = z[i];
}
}
else if (key == 'P') {
eyeAngx += -5.0;
if (eyeAngx<0.0) eyeAngx += 360.0;
y[0] = u[1][0] * cv + u[2][0] * sv;
y[1] = u[1][1] * cv + u[2][1] * sv;
y[2] = u[1][2] * cv + u[2][2] * sv;
z[0] = u[2][0] * cv - u[1][0] * sv;
z[1] = u[2][1] * cv - u[1][1] * sv;
z[2] = u[2][2] * cv - u[1][2] * sv;
for (i = 0; i<3; i++) {
u[1][i] = y[i];
u[2][i] = z[i];
}
}
else if (key == 'h') { /* heading */
eyeAngy += 5.0;
if (eyeAngy>360.0) eyeAngy -= 360.0;
for (i = 0; i<3; i++) {
x[i] = cv*u[0][i] - sv*u[2][i];
z[i] = sv*u[0][i] + cv*u[2][i];
}
for (i = 0; i<3; i++) {
u[0][i] = x[i];
u[2][i] = z[i];
}
}
else if (key == 'H') {
eyeAngy += -5.0;
if (eyeAngy<0.0) eyeAngy += 360.0;
for (i = 0; i<3; i++) {
x[i] = cv*u[0][i] + sv*u[2][i];
z[i] = -sv*u[0][i] + cv*u[2][i];
}
for (i = 0; i<3; i++) {
u[0][i] = x[i];
u[2][i] = z[i];
}
}
else if (key == 'r') { /* rolling */
eyeAngz += 5.0;
if (eyeAngz>360.0) eyeAngz -= 360.0;
for (i = 0; i<3; i++) {
x[i] = cv*u[0][i] - sv*u[1][i];
y[i] = sv*u[0][i] + cv*u[1][i];
}
for (i = 0; i<3; i++) {
u[0][i] = x[i];
u[1][i] = y[i];
}
}
else if (key == 'R') {
eyeAngz += -5.0;
if (eyeAngz<0.0) eyeAngz += 360.0;
for (i = 0; i<3; i++) {
x[i] = cv*u[0][i] + sv*u[1][i];
y[i] = -sv*u[0][i] + cv*u[1][i];
}
for (i = 0; i<3; i++) {
u[0][i] = x[i];
u[1][i] = y[i];
}
}
else if (key == 't') glDisable(GL_FOG);
else if (key == 'T') glEnable(GL_FOG);
else if (key == 'o') turn_fog = 0;
else if (key == 'O') turn_fog = 1;
else if (key == 'l') glFogi(GL_FOG_MODE, GL_LINEAR);
else if (key == 'j') glFogi(GL_FOG_MODE, GL_EXP);
else if (key == 'J') glFogi(GL_FOG_MODE, GL_EXP2);
else if (key == 'i') {
fog_opacity += 2;
setup_fog();
}
else if (key == 'I') {
fog_opacity -= 2;
setup_fog();
}
display();
}
void idle_func()
{
ds += 0.001;
if (ds>1.0) ds = ds - 1.0;
if (turn_fog == 1) {
fog_color[0] += 0.001;
fog_color[1] += 0.001;
fog_color[2] += 0.001;
if (lit4_diffuse[0] > 0.7)
fog_color[0] *= -1.0;
else if (lit4_diffuse[0] < 0.1)
fog_color[0] *= -1.0;
if (lit4_diffuse[1] > 0.7)
fog_color[1] *= -1.0;
else if (lit4_diffuse[1] < 0.1)
fog_color[1] *= -1.0;
if (lit4_diffuse[2] > 0.7)
fog_color[2] *= -1.0;
else if (lit4_diffuse[2] < 0.1)
fog_color[2] *= -1.0;
}
else {
fog_color[0] = 0.15;
fog_color[1] = 0.20;
fog_color[2] = 0.20;
}
bld_ang += 5.0;
lit4_diffuse[0] += lit_color4[0];
lit4_diffuse[1] += lit_color4[1];
lit4_diffuse[2] += lit_color4[2];
lit5_diffuse[0] += lit_color5[0];
lit5_diffuse[1] += lit_color5[1];
lit5_diffuse[2] += lit_color5[2];
if (bld_ang>360.0) {
bld_ang -= 360.0;
}
if (lit4_diffuse[0]>1.0)
lit_color4[0] *= -1.0;
else if (lit4_diffuse[0]<0.1)
lit_color4[0] *= -1.0;
if (lit4_diffuse[1]>1.0)
lit_color4[1] *= -1.0;
else if (lit4_diffuse[1]<0.1)
lit_color4[1] *= -1.0;
if (lit4_diffuse[2]>1.0)
lit_color4[2] *= -1.0;
else if (lit4_diffuse[2]<0.1)
lit_color4[2] *= -1.0;
if (lit5_diffuse[0]>1.0)
lit_color5[0] *= -1.0;
else if (lit5_diffuse[0]<0.1)
lit_color5[0] *= -1.0;
if (lit5_diffuse[1]>1.0)
lit_color5[1] *= -1.0;
else if (lit5_diffuse[1]<0.1)
lit_color5[1] *= -1.0;
if (lit5_diffuse[2]>1.0)
lit_color5[2] *= -1.0;
else if (lit5_diffuse[2]<0.1)
lit_color5[2] *= -1.0;
setup_light();
setup_fog();
display(); /* show the scene again */
}
