// Create a particleGraph
ParticleGraph createString(glm::vec2 A, glm::vec2 B, glm::vec3 color, glm::vec3 headColor, uint32_t discFactor, ParticleManager& particleManager) {
glm::vec2 AB = B - A;
glm::vec2 step = glm::vec2(AB[0]/discFactor, AB[1]/discFactor);
glm::vec2 position = A;
float mass = 1.f;
ParticleGraph graph;
unsigned int id = 0;
for(int i = 0; i < discFactor + 1; ++i) {
id = particleManager.addParticle(mass, position, glm::vec2(0.f, 0.f), glm::vec2(0.f, 0.f), color, ParticleManager::Type::P_SNAKE);
if(id != 0) {
std::pair<unsigned int, unsigned int> pair (id, id - 1);
graph.push_back(pair);
}
else if(id == discFactor) {
std::pair<unsigned int, unsigned int> pair (id, 0);
graph.push_back(pair);
}
position += step;
}
particleManager.getParticleColor(0) = headColor;
return graph;
}
// Copy a particle
int copyParticle(ParticleManager& sourceManager, ParticleManager& destinationManager, int id) {
int newId = destinationManager.addParticle(sourceManager.getParticleMass(id),
sourceManager.getParticlePosition(id),
sourceManager.getParticleVelocity(id),
sourceManager.getParticleForce(id),
sourceManager.getParticleColor(id));
return newId;
}
int main() {
WindowManager wm(WINDOW_WIDTH, WINDOW_HEIGHT, "ZIPIX");
wm.setFramerate(30);
// FMOD
FMOD_SYSTEM *system;
/* Création et initialisation d'un objet système */
FMOD_System_Create(&system);
FMOD_System_Init(system, 2, FMOD_INIT_NORMAL, NULL);
FMOD_SOUND* background = NULL;
FMOD_SOUND* firework = NULL;
FMOD_RESULT check;
check = FMOD_System_CreateSound(system, "../music/firework_explode_and_crackle.mp3", FMOD_CREATESAMPLE, 0, &firework);
if (check != FMOD_OK)
{
fprintf(stderr, "Impossible de lire le fichier firework_explode_and_crackle.mp3\n");
exit(EXIT_FAILURE);
}
check = FMOD_System_CreateSound(system, "../music/Timer.mp3", FMOD_SOFTWARE | FMOD_2D | FMOD_CREATESTREAM, 0, &background);
if (check != FMOD_OK)
{
fprintf(stderr, "Impossible de lire le fichier Timer.mp3\n");
exit(EXIT_FAILURE);
}
FMOD_CHANNEL *backgroundChannel = NULL;
FMOD_CHANNEL *fireworkChannel = NULL;
FMOD_System_GetChannel(system, 0, &backgroundChannel);
FMOD_System_GetChannel(system, 1, &fireworkChannel);
FMOD_Sound_SetLoopCount(background, -1);
FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, background, 0, &backgroundChannel);
// Time
time_t beginTime;
time_t currentTime;
time(&beginTime);
// Managers and Renderer
ParticleRenderer2D renderer;
ParticleManager snakeManager;
snakeManager.setHeadColor(glm::vec3(0.4f, 0.8f, 0.3f));
ParticleManager redManager;
redManager.setHeadColor(glm::vec3(0.9f, 0.4f, 0.3f));
ParticleManager blueManager;
blueManager.setHeadColor(glm::vec3(0.2f, 0.4f, 0.9f));
ParticleManager foodManager;
ParticleManager bonusManager;
ParticleManager fireworkManager;
ParticleManager autoManager;
// Graph Forces
GraphHookForce graphHook = GraphHookForce(1.f, 0.15f/4.f);
GraphBrakeForce graphBrake = GraphBrakeForce(0.3f, 10.f); // 0.5 = viscosité max
GraphHookForce redGraphHook = GraphHookForce(1.f, 0.15f/4.f);
GraphBrakeForce redGraphBrake = GraphBrakeForce(0.3f, 0.0001f);
GraphHookForce blueGraphHook = GraphHookForce(1.f, 0.15f/4.f);
GraphBrakeForce blueGraphBrake = GraphBrakeForce(0.3f, 0.0001f);
// Box
Polygon box = buildBox(glm::vec3(1.f, 1.f, 1.f), glm::vec2(-1.f, -1.f), 2, 2, true);
// // Ajout des particules
int id = foodManager.addRandomParticle(1);
bonusManager.addParticle(1.5f, glm::vec2(0.5, 0.5), glm::vec2(0, 0), glm::vec2(0, 0), glm::vec3(0.619f, 0.05f, 0.25f));
bonusManager.addParticle(1.5f, glm::vec2(-0.2, 0.6), glm::vec2(0, 0), glm::vec2(0, 0), glm::vec3(0.619f, 0.05f, 0.25f));
bonusManager.addParticle(1.5f, glm::vec2(0.8, -0.7), glm::vec2(0, 0), glm::vec2(0, 0), glm::vec3(0.619f, 0.05f, 0.25f));
bonusManager.addParticle(1.5f, glm::vec2(-0.7, -0.5), glm::vec2(0, 0), glm::vec2(0, 0), glm::vec3(0.619f, 0.05f, 0.25f));
bonusManager.addParticle(1.5f, glm::vec2(0.3, -0.1), glm::vec2(0, 0), glm::vec2(0, 0), glm::vec3(0.619f, 0.05f, 0.25f));
// Copy the food to the autoManager
copyParticle(foodManager, autoManager, id);
// Forces
ConstantForce mg(glm::vec2(0.f, -0.005));
// LeapfrogSolver
LeapfrogSolver leapfrog;
PolygonForce boxForce(box, 1.5f, leapfrog);
// Snake's creation
ParticleGraph snakeGraph = createString(glm::vec2(0.f, 0.0f), glm::vec2(0.f, -0.15f), glm::vec3(0.2f, 0.6f, 0.2f), glm::vec3(0.4f, 0.8f, 0.3f), 4.f, snakeManager);
ParticleGraph redGraph = createString(glm::vec2(0.f, 0.2f), glm::vec2(0.15f, 0.2f), glm::vec3(0.9f, 0.2f, 0.2f), glm::vec3(0.9f, 0.4f, 0.3f), 4.f, redManager);
ParticleGraph blueGraph = createString(glm::vec2(0.f, -0.2f), glm::vec2(-0.15f, -0.2f), glm::vec3(0.2f, 0.2f, 0.6f), glm::vec3(0.2f, 0.4f, 0.9f), 4.f, blueManager);
copyParticle(snakeManager, autoManager, 0);
copyParticle(redManager, autoManager, 0);
copyParticle(blueManager, autoManager, 0);
// Variables
int score = 0;
int bonus = 0;
// Temps s'écoulant entre chaque frame
float dt = 0.f;
bool done = false;
while(!done) {
time(¤tTime);
wm.startMainLoop();
// Renderer
renderer.clear();
// Draw particles
foodManager.drawParticles(renderer);
snakeManager.drawParticles(renderer);
redManager.drawParticles(renderer);
blueManager.drawParticles(renderer);
fireworkManager.drawParticles(renderer);
bonusManager.drawParticles(renderer);
mg.apply(fireworkManager);
// Mise à jour du graph autoGraph
updateParticle(snakeManager, 0, autoManager, 1);
updateParticle(redManager, 0, autoManager, 2);
updateParticle(blueManager, 0, autoManager, 3);
// Force attractive
addAttractiveForce(foodManager, snakeManager);
addAttractiveForce(foodManager, redManager);
addAttractiveForce(foodManager, blueManager);
// Forces
graphHook.setGraph(&snakeGraph);
graphBrake.setGraph(&snakeGraph);
redGraphHook.setGraph(&redGraph);
redGraphBrake.setGraph(&redGraph);
blueGraphHook.setGraph(&blueGraph);
blueGraphBrake.setGraph(&blueGraph);
// Simulation
if(dt != 0) {
//Bonus
if(difftime(currentTime, beginTime) == 10) {
beginTime = currentTime;
time(¤tTime);
addBonus(bonusManager);
bonus++;
}
// Snake - Food
if( checkFoodCollision(snakeGraph, snakeManager, foodManager, fireworkManager, 0.05f, 0) != -1
|| checkFoodCollision(redGraph, redManager, foodManager, fireworkManager, 0.05f, 0) != -1
|| checkFoodCollision(blueGraph, blueManager, foodManager, fireworkManager, 0.05f, 0) != -1) {
FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, firework, 0, &fireworkChannel);
updateParticle(foodManager, 0, autoManager, 0);
bonus++;
}
// Apply forces
graphBrake.setDt(dt);
redGraphBrake.setDt(dt);
blueGraphBrake.setDt(dt);
boxForce.setDt(dt);
boxForce.apply(snakeManager);
boxForce.apply(redManager);
boxForce.apply(blueManager);
graphHook.apply(snakeManager);
graphBrake.apply(snakeManager);
redGraphHook.apply(redManager);
redGraphBrake.apply(redManager);
blueGraphHook.apply(blueManager);
blueGraphBrake.apply(blueManager);
addRepulsiveForce(bonusManager, snakeManager);
addRepulsiveForce(bonusManager, redManager);
addRepulsiveForce(bonusManager, blueManager);
// Leapfrog solver
leapfrog.solve(snakeManager, dt);
leapfrog.solve(autoManager, dt);
leapfrog.solve(redManager, dt);
leapfrog.solve(blueManager, dt);
leapfrog.solve(fireworkManager, dt);
leapfrog.solve(bonusManager, dt);
}
// Gestion des evenements
SDL_Event e;
while(wm.pollEvent(e)) {
switch(e.type) {
default:
break;
case SDL_QUIT:
//FMOD
/* On libère le son et on ferme et libère l'objet système */
FMOD_Sound_Release(background);
FMOD_Sound_Release(firework);
FMOD_System_Close(system);
FMOD_System_Release(system);
done = true;
break;
}
}
// Mise à jour de la fenêtre
dt = wm.update();
}
return EXIT_SUCCESS;
}