//Generate the rocks
void RockGenerator::generate(const GroundPlane& ground) {
int size = GroundPlane::GROUND_SCALE / ROCK_SIZE;
int groundSize = GroundPlane::GROUND_SCALE / 2;
for (int row = 0; row < size; row++) {
for (int col = 0; col < size; col++) {
if (rand() % ROCK_INVERSE_DENSITY == 0) {
float scale = (rand() % (int)(ROCK_SCALE_MAX - ROCK_SCALE_MIN) + ROCK_SCALE_MIN) / 100.0f;
float x = row * ROCK_SIZE - groundSize + rand() % ROCK_SIZE;
float y = col * ROCK_SIZE - groundSize + rand() % ROCK_SIZE;
float angle = rand() % 360;
auto density = makeDensity();
rocks.push_back(Rock(draw_template_.mesh, glm::vec3(x, 0.0f, y), angle, ground, scale, density));
density_levels.push_back(density);
}
}
}
}
void initialize()
{
Shader makeDensity("defaultVS.vs", "densityField.fs");
QuadVao = CreateQuad();
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
velocity = createPingPongTexture(WIDTH, HEIGHT, 2);
density = createPingPongTexture(WIDTH, HEIGHT, 1);
pressure = createPingPongTexture(WIDTH, HEIGHT, 2);
divergence = createSurface(WIDTH, HEIGHT, 3);
obstacle = createSurface(WIDTH, HEIGHT, 3);
gravity = createSurface(WIDTH, HEIGHT, 2);
//createGravityField();
initDensity(makeDensity);
createObstacles(obstacle, WIDTH, HEIGHT);
ResetState();
}