Embed verdana.ttf

src/sandbox_main.zig

@@ -135,6 +135,14 @@ pub fn main() !void {
     };
     defer rl.unloadTexture(circle_texture);
 
+    // load UI font (embedded)
+    const font_data = @embedFile("verdanab.ttf");
+    const ui_font = rl.loadFontFromMemory(".ttf", font_data, 32, null) catch {
+        std.debug.print("failed to load embedded font\n", .{});
+        return;
+    };
+    defer rl.unloadFont(ui_font);
+
     var entities = sandbox.Entities.init();
     var prng = std.Random.DefaultPrng.init(@intCast(std.time.timestamp()));
     var rng = prng.random();
@@ -197,7 +205,7 @@ pub fn main() !void {
         rl.gl.rlSetTexture(0);
 
         // metrics overlay
-        drawMetrics(&entities, update_time_us, render_time_us, paused);
+        drawMetrics(&entities, update_time_us, render_time_us, paused, ui_font);
 
         rl.endDrawing();
 
@@ -239,10 +247,11 @@ fn handleInput(entities: *sandbox.Entities, rng: *std.Random, paused: *bool) voi
     }
 }
 
-fn drawMetrics(entities: *const sandbox.Entities, update_us: i64, render_us: i64, paused: bool) void {
+fn drawMetrics(entities: *const sandbox.Entities, update_us: i64, render_us: i64, paused: bool, font: rl.Font) void {
     var buf: [256]u8 = undefined;
-    var y: i32 = 10;
+    var y: f32 = 10;
-    const line_height: i32 = 20;
+    const line_height: f32 = 20;
+    const font_size: f32 = 14;
 
     // dark background for readability
     const bg_height: i32 = if (paused) 130 else 100;
@@ -250,47 +259,48 @@ fn drawMetrics(entities: *const sandbox.Entities, update_us: i64, render_us: i64
 
     // entity count
     const count_text = std.fmt.bufPrintZ(&buf, "entities: {d}", .{entities.count}) catch "?";
-    rl.drawText(count_text, 10, y, 16, rl.Color.white);
+    rl.drawTextEx(font, count_text, .{ .x = 10, .y = y }, font_size, 0, rl.Color.white);
     y += line_height;
 
     // frame time
     const frame_ms = rl.getFrameTime() * 1000.0;
     const frame_text = std.fmt.bufPrintZ(&buf, "frame:    {d:.1}ms", .{frame_ms}) catch "?";
-    rl.drawText(frame_text, 10, y, 16, rl.Color.white);
+    rl.drawTextEx(font, frame_text, .{ .x = 10, .y = y }, font_size, 0, rl.Color.white);
     y += line_height;
 
     // update time
     const update_ms = @as(f32, @floatFromInt(update_us)) / 1000.0;
     const update_text = std.fmt.bufPrintZ(&buf, "update:   {d:.1}ms", .{update_ms}) catch "?";
-    rl.drawText(update_text, 10, y, 16, rl.Color.white);
+    rl.drawTextEx(font, update_text, .{ .x = 10, .y = y }, font_size, 0, rl.Color.white);
     y += line_height;
 
     // render time
     const render_ms = @as(f32, @floatFromInt(render_us)) / 1000.0;
     const render_text = std.fmt.bufPrintZ(&buf, "render:   {d:.1}ms", .{render_ms}) catch "?";
-    rl.drawText(render_text, 10, y, 16, rl.Color.white);
+    rl.drawTextEx(font, render_text, .{ .x = 10, .y = y }, font_size, 0, rl.Color.white);
     y += line_height;
 
     // paused indicator
     if (paused) {
         y += line_height;
-        rl.drawText("PAUSED", 10, y, 16, rl.Color.yellow);
+        rl.drawTextEx(font, "PAUSED", .{ .x = 10, .y = y }, font_size, 0, rl.Color.yellow);
     }
 
     // controls legend (top left, beneath debug info)
-    const ctrl_line_height: i32 = 18;
+    const ctrl_line_height: f32 = 18;
-    const ctrl_box_height: i32 = ctrl_line_height * 5 + 16; // 5 lines + padding
+    const ctrl_font_size: f32 = 12;
+    const ctrl_box_height: i32 = @intFromFloat(ctrl_line_height * 5 + 16); // 5 lines + padding
     const ctrl_box_y: i32 = 5 + bg_height + 5; // beneath debug box with gap
-    rl.drawRectangle(5, ctrl_box_y, 160, ctrl_box_height, rl.Color{ .r = 0, .g = 0, .b = 0, .a = 200 });
+    rl.drawRectangle(5, ctrl_box_y, 175, ctrl_box_height, rl.Color{ .r = 0, .g = 0, .b = 0, .a = 200 });
 
-    var ctrl_y: i32 = ctrl_box_y + 8;
+    var ctrl_y: f32 = @floatFromInt(ctrl_box_y + 8);
-    rl.drawText("+/-: add/remove 100", 10, ctrl_y, 14, rl.Color.gray);
+    rl.drawTextEx(font, "+/-: add/remove 100", .{ .x = 10, .y = ctrl_y }, ctrl_font_size, 0, rl.Color.gray);
     ctrl_y += ctrl_line_height;
-    rl.drawText("shift +/-: 1000", 10, ctrl_y, 14, rl.Color.gray);
+    rl.drawTextEx(font, "shift +/-: 1000", .{ .x = 10, .y = ctrl_y }, ctrl_font_size, 0, rl.Color.gray);
     ctrl_y += ctrl_line_height;
-    rl.drawText("ctrl+shift +/-: 10000", 10, ctrl_y, 14, rl.Color.gray);
+    rl.drawTextEx(font, "ctrl+shift +/-: 10000", .{ .x = 10, .y = ctrl_y }, ctrl_font_size, 0, rl.Color.gray);
     ctrl_y += ctrl_line_height;
-    rl.drawText("space: pause", 10, ctrl_y, 14, rl.Color.gray);
+    rl.drawTextEx(font, "space: pause", .{ .x = 10, .y = ctrl_y }, ctrl_font_size, 0, rl.Color.gray);
     ctrl_y += ctrl_line_height;
-    rl.drawText("r: reset", 10, ctrl_y, 14, rl.Color.gray);
+    rl.drawTextEx(font, "r: reset", .{ .x = 10, .y = ctrl_y }, ctrl_font_size, 0, rl.Color.gray);
 }