Slightly better time management

build.zig

@@ -15,6 +15,9 @@ pub fn build(b: *std.Build) void {
 
     exe.root_module.addImport("sokol", dep_sokol.module("sokol"));
 
+    // Set this to hide console
+    //exe.subsystem = .Windows;
+
     b.installArtifact(exe);
 
     const run_cmd = b.addRunArtifact(exe);

src/main.zig

@@ -104,20 +104,27 @@ export fn init() void {
 
     pass_action.colors[0] = .{
         .load_action = .CLEAR,
-        .clear_value = .{ .r = 0, .g = 1, .b = 0, .a = 1 },
+        .clear_value = .{},
     };
 
     std.log.info("Backend: {}\n", .{sg.queryBackend()});
+
+    sokol.app.showMouse(false);
 }
 
 fn timef() f32 {
     return @floatCast(sokol.time.sec(sokol.time.now()));
 }
 
+var time: f32 = 0;
+
 export fn frame() void {
+    const dt: f32 = @floatCast(sokol.app.frameDuration());
+    time += dt;
+
     const col = &pass_action.colors[0].clear_value;
-    col.g = @abs(@sin(timef()));
-    col.r = @abs(@cos(timef()));
+    col.g = @abs(@sin(time));
+    col.r = @abs(@cos(time));
 
     state.vsParams.aspectRatio = sokol.app.heightf() / sokol.app.widthf();
 
@@ -133,13 +140,29 @@ export fn frame() void {
     sg.commit();
 }
 
-export fn cleanup() void {}
+export fn cleanup() void {
+    std.log.info("Ended", .{});
+}
+
+const Event = sokol.app.Event;
+
+export fn event(eptr: [*c]const Event) void {
+    const e: *const Event = @ptrCast(eptr);
+
+    const buttonPressed = e.type == .MOUSE_DOWN or e.type == .KEY_DOWN;
+    const mouseMoved = e.type == .MOUSE_MOVE and (@abs(e.mouse_dx) > 2 or @abs(e.mouse_dy) > 2);
+
+    if (buttonPressed or mouseMoved) {
+        sokol.app.quit();
+    }
+}
 
 pub fn main() !void {
     sokol.app.run(.{
         .init_cb = init,
         .frame_cb = frame,
         .cleanup_cb = cleanup,
+        .event_cb = event,
         .width = 800,
         .height = 600,
         .fullscreen = true,