1 files changed, 68 insertions, 0 deletions
diff --git a/samples/99_genre_tactical_rpg/hexagonal_grid/app/main.rb b/samples/99_genre_tactical_rpg/hexagonal_grid/app/main.rb
new file mode 100644
index 0000000..b522ace
--- /dev/null
+++ b/samples/99_genre_tactical_rpg/hexagonal_grid/app/main.rb
@@ -0,0 +1,68 @@
+class HexagonTileGame
+  attr_gtk
+
+  def defaults
+    state.tile_scale      = 1.3
+    state.tile_size       = 80
+    state.tile_w          = Math.sqrt(3) * state.tile_size.half
+    state.tile_h          = state.tile_size * 3/4
+    state.tiles_x_count   = 1280.idiv(state.tile_w) - 1
+    state.tiles_y_count   = 720.idiv(state.tile_h) - 1
+    state.world_width_px  = state.tiles_x_count * state.tile_w
+    state.world_height_px = state.tiles_y_count * state.tile_h
+    state.world_x_offset  = (1280 - state.world_width_px).half
+    state.world_y_offset  = (720 - state.world_height_px).half
+    state.tiles         ||= state.tiles_x_count.map_with_ys(state.tiles_y_count) do |ordinal_x, ordinal_y|
+      {
+        ordinal_x: ordinal_x,
+        ordinal_y: ordinal_y,
+        offset_x: (ordinal_y.even?) ?
+                  (state.world_x_offset + state.tile_w.half.half) :
+                  (state.world_x_offset - state.tile_w.half.half),
+        offset_y: state.world_y_offset,
+        w: state.tile_w,
+        h: state.tile_h,
+        type: :blank,
+        path: "sprites/hexagon-gray.png",
+        a: 20
+      }.associate do |h|
+        h.merge(x: h[:offset_x] + h[:ordinal_x] * h[:w],
+                y: h[:offset_y] + h[:ordinal_y] * h[:h]).scale_rect(state.tile_scale)
+      end.associate do |h|
+        h.merge(center: {
+                  x: h[:x] + h[:w].half,
+                  y: h[:y] + h[:h].half
+                }, radius: [h[:w].half, h[:h].half].max)
+      end
+    end
+  end
+
+  def input
+    if inputs.click
+      tile = state.tiles.find { |t| inputs.click.point_inside_circle? t[:center], t[:radius] }
+      if tile
+        tile[:a] = 255
+        tile[:path] = "sprites/hexagon-black.png"
+      end
+    end
+  end
+
+  def tick
+    defaults
+    input
+    render
+  end
+
+  def render
+    outputs.sprites << state.tiles
+  end
+end
+
+$game = HexagonTileGame.new
+
+def tick args
+  $game.args = args
+  $game.tick
+end
+
+$gtk.reset