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racers: track and remove minimum energy level

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This commit is contained in:
Thomas Kolb 2022-04-01 22:21:46 +02:00
parent fb1eae119e
commit 4749c9219e
1 changed files with 59 additions and 4 deletions
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63
src/animation/racers.rs
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@ -36,6 +36,25 @@ const RACER_MAX_BRIGHTNESS_B : f32 = 1.00;
const SPEED_SCALE_RANGE : f32 = 0.10;
fn dbg_bar(min: f32, current: f32, max: f32)
{
const LEN: usize = 60;
let mut bar = ['.'; LEN];
let minpos = ((LEN as f32) * min / max) as usize;
let curpos = ((LEN as f32) * current / max) as usize;
for idx in minpos..LEN {
bar[idx] = '-';
}
if curpos < LEN {
bar[curpos] = '#';
}
print!("{}", bar.iter().collect::<String>());
}
/*
* A racer is a point of light that can move along the LED strips.
*/
@ -140,6 +159,7 @@ impl Racer
pub struct Racers
{
max_energy : Color,
min_energy : Color,
filtered_energy : Color,
racers_r : Vec<Racer>,
@ -148,6 +168,8 @@ pub struct Racers
colorlists : [ [Color; config::NUM_LEDS_PER_STRIP]; config::NUM_STRIPS],
frame_count: usize,
sigproc: Rc<RefCell<SignalProcessing>>,
}
@ -157,12 +179,14 @@ impl Animation for Racers
{
Racers {
max_energy: Color{r: 1.0, g: 1.0, b: 1.0, w: 1.0},
min_energy: Color{r: 0.0, g: 0.0, b: 0.0, w: 0.0},
filtered_energy: Color{r: 0.0, g: 0.0, b: 0.0, w: 0.0},
racers_r: Vec::with_capacity(NUM_RACERS_R),
racers_g: Vec::with_capacity(NUM_RACERS_G),
racers_b: Vec::with_capacity(NUM_RACERS_B),
colorlists: [ [Color{r: 0.0, g: 0.0, b: 0.0, w: 0.0}; config::NUM_LEDS_PER_STRIP]; config::NUM_STRIPS],
sigproc: sigproc,
frame_count: 0,
}
}
@ -244,6 +268,27 @@ impl Animation for Racers
self.max_energy.w = cur_energy.w;
}
// track the minimum energy with warmup
self.min_energy.r += (1.0 - COOLDOWN_FACTOR) * (self.max_energy.r - self.min_energy.r);
if cur_energy.r < self.min_energy.r {
self.min_energy.r = cur_energy.r;
}
self.min_energy.g += (1.0 - COOLDOWN_FACTOR) * (self.max_energy.g - self.min_energy.g);
if cur_energy.g < self.min_energy.g {
self.min_energy.g = cur_energy.g;
}
self.min_energy.b += (1.0 - COOLDOWN_FACTOR) * (self.max_energy.b - self.min_energy.b);
if cur_energy.b < self.min_energy.b {
self.min_energy.b = cur_energy.b;
}
self.min_energy.w += (1.0 - COOLDOWN_FACTOR) * (self.max_energy.w - self.min_energy.w);
if cur_energy.w < self.min_energy.w {
self.min_energy.w = cur_energy.w;
}
// set all LEDs initially to black
for strip in 0..config::NUM_STRIPS {
for led in 0..config::NUM_LEDS_PER_STRIP {
@ -254,10 +299,10 @@ impl Animation for Racers
// rescaling and normalization of the energies
let scaled_energy = Color{
r: (cur_energy.r / self.max_energy.r).powf(RGB_EXPONENT),
g: (cur_energy.g / self.max_energy.g).powf(RGB_EXPONENT),
b: (cur_energy.b / self.max_energy.b).powf(RGB_EXPONENT),
w: (cur_energy.w / self.max_energy.w).powf(W_EXPONENT) * W_SCALE,
r: ((cur_energy.r - self.min_energy.r) / (self.max_energy.r - self.min_energy.r)).powf(RGB_EXPONENT),
g: ((cur_energy.g - self.min_energy.g) / (self.max_energy.g - self.min_energy.g)).powf(RGB_EXPONENT),
b: ((cur_energy.b - self.min_energy.b) / (self.max_energy.b - self.min_energy.b)).powf(RGB_EXPONENT),
w: ((cur_energy.w - self.min_energy.w) / (self.max_energy.w - self.min_energy.w)).powf(W_EXPONENT),
};
for i in 0..4 {
@ -293,6 +338,16 @@ impl Animation for Racers
}
}
// debug stuff
self.frame_count += 1;
if self.frame_count % 100 == 0 {
println!("---");
print!("Red "); dbg_bar(self.min_energy.r, cur_energy.r, self.max_energy.r); println!("{:11.2}", self.max_energy.r);
print!("Green "); dbg_bar(self.min_energy.g, cur_energy.g, self.max_energy.g); println!("{:11.2}", self.max_energy.g);
print!("Blue "); dbg_bar(self.min_energy.b, cur_energy.b, self.max_energy.b); println!("{:11.2}", self.max_energy.b);
print!("White "); dbg_bar(self.min_energy.w, cur_energy.w, self.max_energy.w); println!("{:11.2}", self.max_energy.w);
}
Ok(())
}