colin/fdtd-coremem
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add a 2d color-based renderer

Browse Source
This commit is contained in:
Colin
2020-07-16 00:31:20 -07:00
parent b890d8dc3a
commit 5360d2c6d3
2 changed files with 33 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
examples/coremem.rs
View File

@@ -1,19 +1,26 @@
use coremem::SimState;
use coremem::render::NumericTermRenderer;
use coremem::render::ColorTermRenderer as Renderer;
use coremem::consts;
use std::{thread, time};
fn main() {
let mut state = SimState::new(16, 5);
state.impulse_bz(0, 0, 1.0/consts::C);
state.impulse_ey(0, 0, 1.0);
state.impulse_bz(7, 0, 1.0/consts::C);
state.impulse_ey(7, 2, 1.0);
state.impulse_bz(15, 0, 1.0/consts::C);
state.impulse_ey(15, 0, 1.0);
let mut state = SimState::new(64, 16);
loop {
NumericTermRenderer.render(&state);
state.impulse_ey(7, 2, 1.0);
Renderer.render(&state);
state.step();
thread::sleep(time::Duration::from_millis(100));
thread::sleep(time::Duration::from_millis(50));
state.impulse_ey(50, 10, 1.0);
Renderer.render(&state);
state.step();
thread::sleep(time::Duration::from_millis(50));
state.impulse_ey(7, 2, -1.0);
Renderer.render(&state);
state.step();
thread::sleep(time::Duration::from_millis(50));
state.impulse_ey(50, 10, -1.0);
Renderer.render(&state);
state.step();
thread::sleep(time::Duration::from_millis(50));
}
}

26
src/render.rs
View File

@@ -28,17 +28,23 @@ fn clamp(v: f32, range: f32) -> f32 {
v.min(range).max(-range)
}
fn norm_color(v: f32) -> u8 {
(v * 64.0 + 128.0).max(0f32).min(255f32) as u8
}
impl ColorTermRenderer {
pub fn render(&self, state: &SimState) {
unimplemented!()
// let square = "█";
// for cell in state.cells() {
// let b_value = clamp(cell.by() * consts::C * 128.0, 255.0);
// let b_color = RGB(0, b_value.max(0.0) as _, b_value.abs() as _);
// let e_value = clamp(cell.ez() * 128.0, 255.0);
// let e_color = RGB(e_value.abs() as _, e_value.max(0.0) as _, 0);
// print!("{}{}", e_color.paint(square), b_color.paint(square));
// }
// print!("\n");
let square = "█";
for y in 0..state.height() {
for x in 0..state.width() {
let cell = state.get(x, y);
let r = norm_color(cell.bz() * consts::C);
let g = norm_color(cell.ex());
let b = norm_color(cell.ey());
print!("{}", RGB(r, g, b).paint(square));
}
print!("\n");
}
print!("\n");
}
}