wndxlori · May 8, 2019 21:53 · Apr 23, 2019 · Apr 22, 2019
diff --git a/main.rb b/main.rb
@@ -0,0 +1,54 @@
+# the first 2 or 4 values of the primitive conventionally are x, y, (w, h, or x2, y2)
+# the last 4 values conventionally are r, g, b, a (color)
+# custom values for primitive are in the middle
+# labels    x, y, text, size, alignment, r, g, b, a
+# sprites   x, y, w, h, path, angle, alpha
+# lines     x, y, x1, y1, r, g, b, a
+# solids    x, y, w, h, r, g, b, a
+# borders   x, y, w, h, r, g, b, a
+# sounds    ".wav|.ogg"
+
+def defaults game_state
+  game_state.game.ship_x ||= game_state.grid.w_half - 33
+end
+
+def render game_state
+  game_state.outputs.labels << [ game_state.grid.w_half, game_state.grid.h - 10, "Galaga", 1, 1, 0, 0, 255, 255]
+  game_state.outputs.sprites << [ game_state.game.ship_x, 10, 66, 66, "ship_blue.png", 90]
+  if game_state.game.bullet_x
+    game_state.outputs.sprites << [ game_state.game.bullet_x, game_state.game.bullet_y, 10, 10, "blue_bullet.png"]
+  end
+end
+
+def calc game_state
+  if game_state.game.bullet_x
+    game_state.game.bullet_y += 8
+    if game_state.game.bullet_y > game_state.grid.h
+      game_state.game.bullet_x = game_state.game.bullet_y = nil
+    end
+  end
+  game_state.game.ship_x -= game_state.grid.w if game_state.game.ship_x >= game_state.grid.w
+  game_state.game.ship_x += game_state.grid.w if game_state.game.ship_x <= 0
+end
+
+def inputs game_state
+  if game_state.inputs.controller_one.key_held.right
+    game_state.game.ship_x += 10
+  elsif game_state.inputs.controller_one.key_held.left
+    game_state.game.ship_x -= 10
+  end
+
+  if ( game_state.inputs.controller_one.key_down.a ||
+       game_state.inputs.controller_one.key_down.b ) && !game_state.game.bullet_x
+    game_state.game.bullet_x = game_state.game.ship_x + 28
+    game_state.game.bullet_y = 76
+  end
+end
+
+
+def tick game_state
+  defaults game_state
+  render game_state
+  calc game_state
+  inputs game_state  
+end
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