get skybox template compiling

Author: Ryan1729

templates/skybox-template/src/main.rs

@@ -6,6 +6,7 @@ use sokol_bindings::{
     Int,
 };
 use math::{
+    angle::{Radians, TAU},
     mat4::Mat4,
     vec3::{Vec3, vec3},
 };
@@ -141,7 +142,7 @@ fn frame(state: &mut State) {
     let h = sapp::height();
 
     /* compute model-view-projection matrix for vertex shader */
-    let proj = Mat4::perspective(60., w as f32/h as f32, (NEAR, FAR));
+    let proj = Mat4::perspective(Radians(TAU / 6.), w as f32/h as f32, (NEAR, FAR));
     let view = get_view_matrix(state);
     let view_proj = proj * view;