Update icosphere dependency and add a limit to subdivisions. (#379)

crates/bevy_render/Cargo.toml

@@ -38,7 +38,7 @@ once_cell = "1.4.0"
 downcast-rs = "1.1.1"
 thiserror = "1.0"
 anyhow = "1.0"
-hexasphere = "0.1.5"
+hexasphere = "1.0.0"
 parking_lot = "0.10"
 
 [features]

crates/bevy_render/src/mesh/mesh.rs

@@ -411,6 +411,15 @@ pub mod shape {
 
  impl From<Icosphere> for Mesh {
  fn from(sphere: Icosphere) -> Self {
+ if sphere.subdivisions >= 80 {
+ let temp_sphere = Hexasphere::new(sphere.subdivisions, |_| ());
+
+ panic!(
+ "Cannot create an icosphere of {} subdivisions due to there being too many vertices being generated: {} (Limited to 65535 vertices or 79 subdivisions)",
+ sphere.subdivisions,
+ temp_sphere.raw_points().len()
+ );
+ }
  let hexasphere = Hexasphere::new(sphere.subdivisions, |point| {
  let inclination = point.z().acos();
  let azumith = point.y().atan2(point.x());