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Give new planets a random amount of moons

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This commit is contained in:
Stephen Seo 2019-10-06 13:46:38 +09:00
parent 0268740cf6
commit 3fa3f3d48b
1 changed files with 57 additions and 7 deletions
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64
src/main.rs
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@ -499,6 +499,16 @@ impl Menu {
false,
"A new planet... It has most certainly been a while.",
),
Menu::pause(500.0, false),
Menu::text(
50.0,
HEIGHT_F - 100.0,
40.0,
false,
"Please, go out and create the new universe, and again..",
),
Menu::pause(300.0, false),
Menu::text(50.0, HEIGHT_F - 60.0, 40.0, false, "Thank you."),
],
}
}
@ -666,11 +676,19 @@ impl RotatingParticleSystem {
}
fn update(&mut self, dt: f64) {
let saved_rect = self.particle_system.host_rect;
self.particle_system.host_rect.pos +=
Transform::rotate(self.r) * Vector::new(self.offset, 0.0);
self.particle_system.update(dt);
self.particle_system.host_rect = saved_rect;
if self.particle_system.is_rect {
let saved_rect = self.particle_system.host_rect;
self.particle_system.host_rect.pos +=
Transform::rotate(self.r) * Vector::new(self.offset, 0.0);
self.particle_system.update(dt);
self.particle_system.host_rect = saved_rect;
} else {
let saved_cir = self.particle_system.host_circle;
self.particle_system.host_circle.pos +=
Transform::rotate(self.r) * Vector::new(self.offset, 0.0);
self.particle_system.update(dt);
self.particle_system.host_circle = saved_cir;
}
self.r += self.velr * dt as f32;
}
@ -787,15 +805,18 @@ struct Planet {
circle: Circle,
color: Color,
particle_system: ParticleSystem,
moons: Vec<RotatingParticleSystem>,
}
impl Planet {
fn new(circle: Circle, color: Color) -> Self {
Planet {
let mut smaller_circle = circle;
smaller_circle.radius /= 4.0;
let mut planet = Planet {
circle,
color,
particle_system: ParticleSystem::new(
3500.0,
rand::thread_rng().gen_range(2000.0, 3800.0),
900.0,
Rectangle::new((0.0, 0.0), (1.0, 1.0)),
circle,
@ -805,16 +826,45 @@ impl Planet {
1.0,
0.3,
),
moons: Vec::new(),
};
let mut r: f32 = rand::thread_rng().gen_range(0.0, 360.0);
for i in 0..rand::thread_rng().gen_range(0, 5) {
planet.moons.push(RotatingParticleSystem::new(
rand::thread_rng().gen_range(1000.0, 2600.0),
600.0,
Rectangle::new((0.0, 0.0), (1.0, 1.0)),
smaller_circle,
false,
Vector::new(0.0, 0.0),
color,
1.0,
r,
rand::thread_rng().gen_range(0.05, 0.15),
rand::thread_rng().gen_range(35.0, 200.0),
0.2,
));
}
planet
}
fn update(&mut self, dt: f64) {
self.particle_system.host_circle.pos = self.circle.pos;
self.particle_system.update(dt);
for moon in &mut self.moons {
moon.particle_system.host_circle.pos = self.circle.pos;
moon.update(dt);
}
}
fn draw(&mut self, window: &mut Window, transform: Transform) {
self.particle_system.draw(window, transform);
window.draw_ex(&self.circle, Col(self.color), transform, 1);
for moon in &mut self.moons {
moon.draw(window, transform);
}
}
}