Grid helper

physics.jai

@@ -74,6 +74,14 @@ push_pip :: (d: DrawingSettings, at: Vector2)
         }
     }
 }
+font: *Simp.Dynamic_Font;
+text :: (using d: DrawingSettings, t: string, p: Vector2) {
+    drawing_at := p;
+    if world_space {
+        drawing_at = world_to_screen(drawing_at);
+    }
+    Simp.draw_text(font, xx drawing_at.x, xx drawing_at.y, t, color = color);
+}
 draw_pips :: (dt: float)
 {
     for * pips if it.alive_for > 0.0
@@ -195,8 +203,12 @@ main :: () {
 
     Simp.set_render_target(window);
 
+    font = Simp.get_font_at_size(".", "Roboto-Regular.ttf", 18);
+    assert(font != null);
+
     bodies: [..]Body;
     array_add(*bodies, .{pos = .{0.0, 0.0}, shape = .{type = .Circle, radius = 1.0}});
+    array_add(*bodies, .{pos = .{3.0, 0.0}, shape = .{type = .Circle, radius = 1.0}});
 
     quit := false;
     last_time := get_time();
@@ -275,15 +287,23 @@ main :: () {
         
         // draw grid
         grid_d: DrawingSettings = .{true,.{0.2, 0.2, 0.2, 0.5}}; 
+        text_d := grid_d;
+        text_d.color = .{0.6, 0.6, 0.6, 1.0};
+        help_text_max :: 8;
+        help_zoom_max :: 0.04;
         for x: -30..30 {
             line(grid_d, xy(x, 30), xy(x, -30));
+            if camera.zoom <= help_zoom_max  && abs(x) < help_text_max then text(text_d, tprint("%m", x), .{xx x, 0.0});
         }
         for y: -30..30 {
             line(grid_d, xy(30, y), xy(-30, y));
+            if camera.zoom <= help_zoom_max && abs(y) < help_text_max then text(text_d, tprint("%m", y), .{0.0, xx y});
         }
         draw_pips(dt);
         for bodies draw_body(it);
 
+
+
         Simp.immediate_flush();
 
         Simp.swap_buffers(window);