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Enable depth testing

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To get the right order, flip the sign of the `z` component in the output
of the projection map.
This commit is contained in:
Aaron Fenyes 2024-08-22 18:17:01 -07:00
parent 1fbeb23194
commit f274119da6
1 changed files with 5 additions and 2 deletions
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7
app-proto/inversive-display/src/main.rs
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@ -150,6 +150,9 @@ fn main() {
let vertex_array = ctx.create_vertex_array().unwrap();
ctx.bind_vertex_array(Some(&vertex_array));
// enable depth testing
ctx.enable(WebGl2RenderingContext::DEPTH_TEST);
// set the projection map
let focal_length = 3.0_f32;
let near_clip = 0.1_f32;
@ -158,8 +161,8 @@ fn main() {
let world_to_clip: [f32; 16] = [
focal_length, 0.0, 0.0, 0.0,
0.0, focal_length, 0.0, 0.0,
0.0, 0.0, (near_clip + far_clip) * depth_inv, -1.,
0.0, 0.0, 2. * near_clip * far_clip * depth_inv, 0.0
0.0, 0.0, -(near_clip + far_clip) * depth_inv, -1.,
0.0, 0.0, -2. * near_clip * far_clip * depth_inv, 0.0
];
ctx.uniform_matrix4fv_with_f32_array(world_to_clip_loc.as_ref(), false, &world_to_clip);