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Plot refactor (#331)

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* drag and zoom support for plots

* update doctest

* use impl ToString

* revert back to Into<String> until #302 is solved

* Apply suggestions from code review

Co-authored-by: ilya sheprut <optitel223@gmail.com>

* use persistence feature for PlotMemory

* * split plot into multiple files
* add curve from function
* move more functionality into ScreenTransform struct

* changes from code review in base branch

* let user specify a range for generated functions

* rename file

* minor changes

* improve generator functionality

* improve callback and add parametric callback

* minor changes

* add documentation

* fix merge issues

* changes based on review

* rename folder

* make plot.rs the mod.rs file

* remove mod.rs

* rename file

* namespace changes

* fix doctest

* Update egui/src/widgets/plot/items.rs

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

Co-authored-by: ilya sheprut <optitel223@gmail.com>
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This commit is contained in:
Sven Niederberger
2021-04-24 14:26:54 +02:00
committed by GitHub
parent b69bc2c06a
commit a505d01090
4 changed files with 635 additions and 437 deletions
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38
egui_demo_lib/src/apps/demo/plot_demo.rs
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@@ -6,7 +6,7 @@ use std::f64::consts::TAU;
pub struct PlotDemo {
animate: bool,
time: f64,
circle_radius: f32,
circle_radius: f64,
circle_center: Pos2,
square: bool,
proportional: bool,
@@ -17,7 +17,7 @@ impl Default for PlotDemo {
Self {
animate: true,
time: 0.0,
circle_radius: 0.5,
circle_radius: 1.5,
circle_center: Pos2::new(0.0, 0.0),
square: false,
proportional: true,
@@ -96,7 +96,7 @@ impl PlotDemo {
let n = 512;
let circle = (0..=n).map(|i| {
let t = remap(i as f64, 0.0..=(n as f64), 0.0..=TAU);
let r = self.circle_radius as f64;
let r = self.circle_radius;
Value::new(
r * t.cos() + self.circle_center.x as f64,
r * t.sin() + self.circle_center.y as f64,
@@ -108,25 +108,25 @@ impl PlotDemo {
}
fn sin(&self) -> Curve {
let n = 512;
let circle = (0..=n).map(|i| {
let t = remap(i as f64, 0.0..=(n as f64), -TAU..=TAU);
Value::new(t / 5.0, 0.5 * (self.time + t).sin())
});
Curve::from_values_iter(circle)
.color(Color32::from_rgb(200, 100, 100))
.name("0.5 * sin(x / 5)")
let time = self.time;
Curve::from_explicit_callback(
move |x| 0.5 * (2.0 * x).sin() * time.sin(),
f64::NEG_INFINITY..=f64::INFINITY,
512,
)
.color(Color32::from_rgb(200, 100, 100))
.name("0.5 * sin(2x) * sin(t)")
}
fn thingy(&self) -> Curve {
let n = 512;
let complex_curve = (0..=n).map(|i| {
let t = remap(i as f64, 0.0..=(n as f64), 0.0..=TAU);
Value::new((2.0 * t + self.time).sin(), (3.0 * t).sin())
});
Curve::from_values_iter(complex_curve)
.color(Color32::from_rgb(100, 150, 250))
.name("x = sin(2t), y = sin(3t)")
let time = self.time;
Curve::from_parametric_callback(
move |t| ((2.0 * t + time).sin(), (3.0 * t).sin()),
0.0..=TAU,
512,
)
.color(Color32::from_rgb(100, 150, 250))
.name("x = sin(2t), y = sin(3t)")
}
}