Files
simple_graphing/src/main.rs
2024-10-01 20:18:26 -06:00

119 lines
3.0 KiB
Rust

use core::f32;
use macroquad::prelude::*;
const DOT_RADIUS: f32 = 1.0;
struct Dot {
x: f32,
y: f32,
}
impl Dot {
fn new(x: f32, y: f32) -> Self {
Self {x,y}
}
fn draw(&self) {
draw_circle(self.x, self.y,DOT_RADIUS, GREEN);
}
}
struct DebugWindow {
text: Vec<String>,
text_margin: f32,
}
impl DebugWindow {
fn new() -> Self {
Self {
text: Vec::new(),
text_margin: 20.0,
}
}
fn add_line(&mut self, line: String) {
self.text.push(line);
}
fn draw(&self) {
let params = TextParams { color: WHITE, ..Default::default()} ;
self.text.iter().enumerate().for_each(|(index, text)| {
let x = self.text_margin;
let y = self.text_margin+20.*(index as f32 + 1.);
// let measurement = measure_text(text, None, params.font_size, params.font_scale);
// draw_rectangle(x,y,measurement.width,-measurement.height, Color { r: 1., g: 1., b: 1., a: 0.25 });
draw_text_ex(text, x, y, params.clone());
});
}
}
#[macroquad::main("Graph")]
async fn main() {
// Dot params
let y_offset = screen_height() / 2.0;
let mut x_offset = screen_width();
let mut trail: Vec<Dot> = Vec::new();
// Selection box
let mut inital_x_pos = 0.;
let mut inital_y_pos = 0.;
// Tooling
let mut show_debug = false;
let mut px_per_s: f32 = 100.;
loop {
clear_background(BLACK);
let delta_time = get_frame_time();
if x_offset >= screen_width() {
// wrap once you've hit the end of the line
x_offset = 0.;
trail.clear();
} else {
x_offset = x_offset + (delta_time * px_per_s);
}
let x = 0.+x_offset;
let y = 0.+y_offset;
let dot = Dot::new(x,y);
trail.push(dot);
trail.iter().for_each(|d| d.draw());
if is_key_pressed(KeyCode::D) {
show_debug = !show_debug;
}
if is_key_pressed(KeyCode::Up) {
px_per_s += 5.;
}
if is_key_pressed(KeyCode::Down) {
px_per_s -= 5.;
}
// selection box
if is_mouse_button_pressed(MouseButton::Left) {
(inital_x_pos, inital_y_pos) = mouse_position();
}
if is_mouse_button_down(MouseButton::Left) {
let (x, y) = mouse_position();
let width = x - inital_x_pos;
let height = y - inital_y_pos;
draw_rectangle(inital_x_pos, inital_y_pos, width, height, Color { r: 0.2, g: 0.1, b: 1., a: 0.3 });
}
// toggle debug box
if show_debug {
let mut debug = DebugWindow::new();
debug.add_line(format!("FPS {}, Latency {:.2}ms", get_fps(), delta_time * 1000.0));
debug.add_line(format!("px/s {}", px_per_s));
debug.add_line(format!("Dots {}", trail.len()));
debug.add_line(format!("Cursor Pos {:?}", mouse_position()));
debug.draw();
}
next_frame().await;
}
}