StrafesNET/strafe-project
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project ideal point

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This commit is contained in:
Rhys Lloyd
2025-12-19 15:40:13 -08:00
parent 7c55d5cc31
commit f35d44c295
1 changed files with 7 additions and 3 deletions
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10
strafe-client/src/shader.wgsl
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@@ -202,20 +202,24 @@ fn ms_debug_edge(){
var v0_world_position: vec4<f32> = model_instance.transform * ve_verts[0];
var v1_world_position: vec4<f32> = model_instance.transform * ve_verts[1];
var v0_screen_position: vec4<f32> = camera.proj * camera.view * v0_world_position;
var v1_screen_position: vec4<f32> = camera.proj * camera.view * v1_world_position;
var edge_dir_world: vec4<f32> = normalize(v0_world_position - v1_world_position);
var edge_dir_screen: vec4<f32> = camera.proj * camera.view * edge_dir_world;
for (var i:u32 = 0; i<=N/2; i++){
// two half circles that make a whole
var theta: f32 = f32(i) * tau / f32(N);
var cos_sin: vec2<f32> = vec2(cos(theta), sin(theta));
// construct basis vectors
var y_axis: vec4<f32> = normalize(v0_screen_position - v1_screen_position);
var x_axis: vec4<f32> = y_axis.yxzw;
var y_axis: vec2<f32> = edge_dir_screen.xy;
var x_axis: vec2<f32> = y_axis.yx;
x_axis.x = -x_axis.x;
var offset: vec4<f32> = x_axis * cos_sin.x + y_axis * cos_sin.y;
var offset: vec4<f32> = vec4<f32>(0.5 * (x_axis * cos_sin.x + y_axis * cos_sin.y), 0.0, 0.0);;
mesh_output.vertices[i].position = v0_screen_position + offset;
mesh_output.vertices[N/2+1+i].position = v1_screen_position - offset;