void scotland_update() {
camera* cam = entity_get("camera");
light* sun = entity_get("sun");
static_object* skydome = entity_get("skydome");
landscape* world = entity_get("world");
sun_orbit += frame_time() * 0.01;
sun->position.x = 512 + sin(sun_orbit) * 512;
sun->position.y = cos(sun_orbit) * 512;
sun->position.z = 512;
sun->target = vec3_new(512, 0, 512);
if (w_held || s_held) {
vec3 cam_dir = vec3_normalize(vec3_sub(cam->target, cam->position));
float speed = 0.5;
if (!freecam) speed = 0.05;
if (w_held) {
cam->position = vec3_add(cam->position, vec3_mul(cam_dir, speed));
}
if (s_held) {
cam->position = vec3_sub(cam->position, vec3_mul(cam_dir, speed));
}
if (!freecam) {
float height = terrain_height(asset_hndl_ptr(world->terrain), vec2_new(cam->position.x, cam->position.z));
cam->position.y = height + 1;
}
cam->target = vec3_add(cam->position, cam_dir);
}
Uint8 keystate = SDL_GetMouseState(NULL, NULL);
if(keystate & SDL_BUTTON(1)){
float a1 = -(float)mouse_x * 0.005;
float a2 = (float)mouse_y * 0.005;
vec3 cam_dir = vec3_normalize(vec3_sub(cam->target, cam->position));
cam_dir.y += -a2;
vec3 side_dir = vec3_normalize(vec3_cross(cam_dir, vec3_new(0,1,0)));
cam_dir = vec3_add(cam_dir, vec3_mul(side_dir, -a1));
cam_dir = vec3_normalize(cam_dir);
cam->target = vec3_add(cam->position, cam_dir);
}
mouse_x = 0;
mouse_y = 0;
ui_button* framerate = ui_elem_get("framerate");
ui_button_set_label(framerate, frame_rate_string());
}
void sea_update() {
camera* cam = entity_get("camera");
light* sun = entity_get("sun");
wave_time += frame_time();
static_object* corvette = entity_get("corvette");
corvette->position.y = (sin(wave_time) + 1) / 2;
corvette->rotation = v4_quaternion_pitch(sin(wave_time * 1.123) / 50);
corvette->rotation = v4_quaternion_mul(corvette->rotation, v4_quaternion_yaw(sin(wave_time * 1.254) / 25));
corvette->rotation = v4_quaternion_mul(corvette->rotation, v4_quaternion_roll(sin(wave_time * 1.355) / 100));
static_object* center_sphere = entity_get("center_sphere");
physics_object* balls[100];
int num_balls;
entities_get(balls, &num_balls, physics_object);
for(int i = 0; i < num_balls; i++) {
physics_object_collide_static(balls[i], center_sphere, frame_time());
physics_object_collide_static(balls[i], corvette, frame_time());
physics_object_update(balls[i], frame_time());
}
Uint8 keystate = SDL_GetMouseState(NULL, NULL);
if(keystate & SDL_BUTTON(1)) {
float a1 = -(float)mouse_x * 0.01;
float a2 = (float)mouse_y * 0.01;
cam->position = v3_sub(cam->position, cam->target);
cam->position = m33_mul_v3(m33_rotation_y( a1 ), cam->position );
cam->position = v3_add(cam->position, cam->target);
cam->position = v3_sub(cam->position, cam->target);
vector3 rotation_axis = v3_normalize(v3_cross( v3_sub(cam->position, v3_zero()) , v3(0,1,0) ));
cam->position = m33_mul_v3(m33_rotation_axis_angle(rotation_axis, a2 ), cam->position );
cam->position = v3_add(cam->position, cam->target);
}
if(keystate & SDL_BUTTON(3)) {
sun->position.x += (float)mouse_y / 2;
sun->position.z -= (float)mouse_x / 2;
}
mouse_x = 0;
mouse_y = 0;
ui_button* framerate = ui_elem_get("framerate");
ui_button_set_label(framerate, frame_rate_string());
}
void metaballs_update() {
camera* cam = entity_get("camera");
light* sun = entity_get("sun");
Uint8 keystate = SDL_GetMouseState(NULL, NULL);
if(keystate & SDL_BUTTON(1)){
float a1 = -(float)mouse_x * frame_time() * 0.25;
float a2 = (float)mouse_y * frame_time() * 0.25;
cam->position = v3_sub(cam->position, cam->target);
cam->position = m33_mul_v3(m33_rotation_y( a1 ), cam->position );
cam->position = v3_add(cam->position, cam->target);
cam->position = v3_sub(cam->position, cam->target);
vector3 rotation_axis = v3_normalize(v3_cross( v3_sub(cam->position, v3_zero()) , v3(0,1,0) ));
cam->position = m33_mul_v3(m33_rotation_axis_angle(rotation_axis, a2 ), cam->position );
cam->position = v3_add(cam->position, cam->target);
}
if(keystate & SDL_BUTTON(3)){
sun->position.x += (float)mouse_y / 2;
sun->position.z -= (float)mouse_x / 2;
}
mouse_x = 0;
mouse_y = 0;
particles_update(frame_time());
ui_button* framerate = ui_elem_get("framerate");
ui_button_set_label(framerate, frame_rate_string());
#ifdef MARCHING_CUBES
marching_cubes_metaball_data( particle_positions_memory(), particles_count() );
marching_cubes_clear();
marching_cubes_update();
#endif
#ifdef VOLUME_RENDERER
volume_renderer_metaball_data( particle_positions_memory(), particles_count() );
volume_renderer_update();
#endif
}
void platformer_update() {
character* main_char = entity_get("main_char");
if (left_held) {
main_char->velocity.x -= 0.1;
main_char->facing_left = true;
} else if (right_held) {
main_char->velocity.x += 0.1;
main_char->facing_left = false;
} else {
main_char->velocity.x *= 0.95;
}
/* Give the player some gravity speed */
const float gravity = 0.2;
main_char->velocity.y += gravity;
/* Update moves position based on velocity */
character_update(main_char);
/* Two phases of collision detection */
collision_detection();
collision_detection_coins();
/* Camera follows main character */
camera_position = vec2_new(main_char->position.x, -main_char->position.y);
/* Update the framerate text */
ui_button* framerate = ui_elem_get("framerate");
ui_button_set_label(framerate, frame_rate_string());
/* Update the time text */
ui_button* victory = ui_elem_get("victory");
if (!victory->active) {
level_time += frame_time();
ui_button* time = ui_elem_get("time");
sprintf(time->label->string, "Time %06i", (int)level_time);
ui_text_draw(time->label);
}
}
void sea_update() {
camera* cam = entity_get("camera");
light* sun = entity_get("sun");
wave_time += frame_time();
static_object* corvette = entity_get("corvette");
corvette->position.y = (sin(wave_time) + 1) / 2;
corvette->rotation = quaternion_pitch(sin(wave_time * 1.123) / 50);
corvette->rotation = quaternion_mul(corvette->rotation, quaternion_yaw(sin(wave_time * 1.254) / 25));
corvette->rotation = quaternion_mul(corvette->rotation, quaternion_roll(sin(wave_time * 1.355) / 100));
static_object* center_sphere = entity_get("center_sphere");
physics_object* balls[100];
int num_balls;
entities_get(balls, &num_balls, physics_object);
for(int i = 0; i < num_balls; i++) {
physics_object_collide_static(balls[i], center_sphere, frame_time());
physics_object_collide_static(balls[i], corvette, frame_time());
physics_object_update(balls[i], frame_time());
}
Uint8 keystate = SDL_GetMouseState(NULL, NULL);
if(keystate & SDL_BUTTON(3)){
sun->position.x += (float)mouse_y / 2;
sun->position.z -= (float)mouse_x / 2;
}
mouse_x = 0;
mouse_y = 0;
ui_button* framerate = ui_elem_get("framerate");
ui_button_set_label(framerate, frame_rate_string());
}
