diff options
Diffstat (limited to 'samples/09_performance/06_static_sprites_as_classes')
3 files changed, 65 insertions, 0 deletions
diff --git a/samples/09_performance/06_static_sprites_as_classes/app/main.rb b/samples/09_performance/06_static_sprites_as_classes/app/main.rb new file mode 100644 index 0000000..db5bf8e --- /dev/null +++ b/samples/09_performance/06_static_sprites_as_classes/app/main.rb @@ -0,0 +1,56 @@ +# Sprites represented as Classes using the queue ~args.outputs.static_sprites~. +# bypasses the queue behavior of ~args.outputs.sprites~. All instances are held +# by reference. You get better performance, but you are mutating state of held objects +# which is less functional/data oriented. +class Star + attr_sprite + + def initialize grid + @grid = grid + @x = (rand @grid.w) * -1 + @y = (rand @grid.h) * -1 + @w = 4 + @h = 4 + @s = 1 + (4.randomize :ratio) + @path = 'sprites/tiny-star.png' + end + + def move + @x += @s + @y += @s + @x = (rand @grid.w) * -1 if @x > @grid.right + @y = (rand @grid.h) * -1 if @y > @grid.top + end +end + +# calls methods needed for game to run properly +def tick args + # sets console command when sample app initially opens + if Kernel.global_tick_count == 0 + puts "" + puts "" + puts "=========================================================" + puts "* INFO: Static Sprites, Classes" + puts "* INFO: Please specify the number of sprites to render." + args.gtk.console.set_command "reset_with count: 100" + end + + # init + if args.state.tick_count == 0 + args.state.stars = args.state.star_count.map { |i| Star.new args.grid } + args.outputs.static_sprites << args.state.stars + end + + # update + args.state.stars.each(&:move) + + # render + args.outputs.background_color = [0, 0, 0] + args.outputs.primitives << args.gtk.current_framerate_primitives +end + +# resets game, and assigns star count given by user +def reset_with count: count + $gtk.reset + $gtk.args.state.star_count = count +end diff --git a/samples/09_performance/06_static_sprites_as_classes/license-for-sample.txt b/samples/09_performance/06_static_sprites_as_classes/license-for-sample.txt new file mode 100644 index 0000000..100dcec --- /dev/null +++ b/samples/09_performance/06_static_sprites_as_classes/license-for-sample.txt @@ -0,0 +1,9 @@ +Copyright 2019 DragonRuby LLC + +MIT License + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/samples/09_performance/06_static_sprites_as_classes/sprites/tiny-star.png b/samples/09_performance/06_static_sprites_as_classes/sprites/tiny-star.png Binary files differnew file mode 100644 index 0000000..e04786a --- /dev/null +++ b/samples/09_performance/06_static_sprites_as_classes/sprites/tiny-star.png |
