Grass, debugger, noise height gen

build.zig

@@ -5,6 +5,7 @@ const zon = @import("build.zig.zon");
 pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
+    const llvm = b.option(bool, "llvm", "Use LLVM and LLD") orelse false;
 
     const vulkan_dep = b.dependency("vulkan_zig", .{ .registry = b.path("vendor/vk.xml") });
     const zglfw_dep = b.dependency("zglfw", .{ .import_vulkan = true });
@@ -36,6 +37,8 @@ pub fn build(b: *std.Build) !void {
     const exe = b.addExecutable(.{
         .name = "voxel-game",
         .root_module = exe_mod,
+        .use_llvm = llvm,
+        .use_lld = llvm,
     });
 
     b.installArtifact(exe);