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Application prototype #14

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glen merged 101 commits from app-proto into main 2024-10-21 23:38:28 +00:00
Conversation 1 Commits 101 Files Changed 12 +10 -2
1 changed files with 10 additions and 2 deletions
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12
app-proto/inversive-display/src/main.rs
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@ -10,7 +10,7 @@
extern crate js_sys; extern crate js_sys;
use core::array; use core::array;
use nalgebra::DVector; use nalgebra::DVector;
use sycamore::{prelude::*, rt::{JsCast, JsValue}}; use sycamore::{prelude::*, motion::create_raf, rt::{JsCast, JsValue}};
use web_sys::{console, WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation}; use web_sys::{console, WebGl2RenderingContext, WebGlProgram, WebGlShader, WebGlUniformLocation};
mod engine; mod engine;
@ -207,7 +207,7 @@ fn main() {
bind_vertex_attrib(&ctx, position_index, 3, &positions); bind_vertex_attrib(&ctx, position_index, 3, &positions);
// set up a repainting routine // set up a repainting routine
create_effect(move || { let (_, start_updating_display, _) = create_raf(move || {
// update the construction // update the construction
sphere_vec.clear(); sphere_vec.clear();
sphere_vec.push(engine::sphere(0.5, 0.5, -5.0 + ctrl_x.get(), radius_x.get())); sphere_vec.push(engine::sphere(0.5, 0.5, -5.0 + ctrl_x.get(), radius_x.get()));
@ -249,6 +249,14 @@ fn main() {
// draw the scene // draw the scene
ctx.draw_arrays(WebGl2RenderingContext::TRIANGLES, 0, VERTEX_CNT as i32); ctx.draw_arrays(WebGl2RenderingContext::TRIANGLES, 0, VERTEX_CNT as i32);
}); });
/*
this wastes CPU time by running an animation loop, which updates the
display even when nothing has changed. there should be a way to make
Sycamore do single-frame updates in response to changes, but i
haven't found it yet
*/
start_updating_display();
}); });
view! { view! {