Merge branch 'DragonRuby:master' into masterHEADmaster

1 files changed, 162 insertions, 0 deletions

diff --git a/samples/99_genre_teenytiny/teenytiny_starting_point/app/main.rb b/samples/99_genre_teenytiny/teenytiny_starting_point/app/main.rb
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+# full documenation is at http://docs.dragonruby.org
+# be sure to come to the discord if you hit any snags: http://discord.dragonruby.org
+def tick args
+  # ====================================================
+  # initialize default variables
+  # ====================================================
+
+  # ruby has an operator called ||= which means "only initialize this if it's nil"
+  args.state.count_down   ||= 20 * 60 # set the count down to 20 seconds
+  # set the initial position of the target
+  args.state.target       ||= { x: args.grid.w.half,
+                                y: args.grid.h.half,
+                                w: 20,
+                                h: 20 }
+
+  # set the initial position of the player
+  args.state.player       ||= { x: 50,
+                                y: 50,
+                                w: 20,
+                                h: 20 }
+
+  # set the player movement speed
+  args.state.player_speed ||= 5
+
+  # set the score
+  args.state.score        ||= 0
+  args.state.teleports    ||= 3
+
+  # set the instructions
+  args.state.instructions ||= "Get to the red goal! Use arrow keys to move. Spacebar to teleport (use them carefully)!"
+
+  # ====================================================
+  # render the game
+  # ====================================================
+  args.outputs.labels  << { x: args.grid.w.half, y: args.grid.h - 10,
+                            text: args.state.instructions,
+                            alignment_enum: 1 }
+
+  # check if it's game over. if so, then render game over
+  # otherwise render the current time left
+  if game_over? args
+    args.outputs.labels  << { x: args.grid.w.half,
+                              y: args.grid.h - 40,
+                              text: "game over! (press r to start over)",
+                              alignment_enum: 1 }
+  else
+    args.outputs.labels  << { x: args.grid.w.half,
+                              y: args.grid.h - 40,
+                              text: "time left: #{(args.state.count_down.idiv 60) + 1}",
+                              alignment_enum: 1 }
+  end
+
+  # render the score
+  args.outputs.labels  << { x: args.grid.w.half,
+                            y: args.grid.h - 70,
+                            text: "score: #{args.state.score}",
+                            alignment_enum: 1 }
+
+  # render the player with teleport count
+  args.outputs.sprites << { x: args.state.player.x,
+                            y: args.state.player.y,
+                            w: args.state.player.w,
+                            h: args.state.player.h,
+                            path: 'sprites/square-green.png' }
+
+  args.outputs.labels << { x: args.state.player.x + 10,
+                           y: args.state.player.y + 40,
+                           text: "teleports: #{args.state.teleports}",
+                           alignment_enum: 1, size_enum: -2 }
+
+  # render the target
+  args.outputs.sprites << { x: args.state.target.x,
+                            y: args.state.target.y,
+                            w: args.state.target.w,
+                            h: args.state.target.h,
+                            path: 'sprites/square-red.png' }
+
+  # ====================================================
+  # run simulation
+  # ====================================================
+
+  # count down calculation
+  args.state.count_down -= 1
+  args.state.count_down = -1 if args.state.count_down < -1
+
+  # ====================================================
+  # process player input
+  # ====================================================
+  # if it isn't game over let them move
+  if !game_over? args
+    dir_y = 0
+    dir_x = 0
+
+    # determine the change horizontally
+    if args.inputs.keyboard.up
+      dir_y += args.state.player_speed
+    elsif args.inputs.keyboard.down
+      dir_y -= args.state.player_speed
+    end
+
+    # determine the change vertically
+    if args.inputs.keyboard.left
+      dir_x -= args.state.player_speed
+    elsif args.inputs.keyboard.right
+      dir_x += args.state.player_speed
+    end
+
+    # determine if teleport can be used
+    if args.inputs.keyboard.key_down.space && args.state.teleports > 0
+      args.state.teleports -= 1
+      dir_x *= 20
+      dir_y *= 20
+    end
+
+    # apply change to player
+    args.state.player.x += dir_x
+    args.state.player.y += dir_y
+  else
+    # if r is pressed, reset the game
+    if args.inputs.keyboard.key_down.r
+      $gtk.reset
+      return
+    end
+  end
+
+  # ====================================================
+  # determine score
+  # ====================================================
+
+  # calculate new score if the player is at goal
+  if !game_over? args
+
+    # if the player is at the goal, then move the goal
+    if args.state.player.intersect_rect? args.state.target
+      # increment the goal
+      args.state.score += 1
+
+      # move the goal to a random location
+      args.state.target = { x: (rand args.grid.w), y: (rand args.grid.h), w: 20, h: 20 }
+
+      # make sure the goal is inside the view area
+      if args.state.target.x < 0
+        args.state.target.x += 20
+      elsif args.state.target.x > 1280
+        args.state.target.x -= 20
+      end
+
+      # make sure the goal is inside the view area
+      if args.state.target.y < 0
+        args.state.target.y += 20
+      elsif args.state.target.y > 720
+        args.state.target.y -= 20
+      end
+    end
+  end
+end
+
+def game_over? args
+  args.state.count_down < 0
+end
+
+$gtk.reset