diff options
Diffstat (limited to 'samples/07_advanced_rendering/02_render_targets_with_alphas/app')
| -rw-r--r-- | samples/07_advanced_rendering/02_render_targets_with_alphas/app/main.rb | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/samples/07_advanced_rendering/02_render_targets_with_alphas/app/main.rb b/samples/07_advanced_rendering/02_render_targets_with_alphas/app/main.rb deleted file mode 100644 index 2caec43..0000000 --- a/samples/07_advanced_rendering/02_render_targets_with_alphas/app/main.rb +++ /dev/null @@ -1,95 +0,0 @@ -# This sample is meant to show you how to do that dripping transition thing -# at the start of the original Doom. Most of this file is here to animate -# a scene to wipe away; the actual wipe effect is in the last 20 lines or -# so. - -$gtk.reset # reset all game state if reloaded. - -def circle_of_blocks pass, xoffset, yoffset, angleoffset, blocksize, distance - numblocks = 10 - - for i in 1..numblocks do - angle = ((360 / numblocks) * i) + angleoffset - radians = angle * (Math::PI / 180) - x = (xoffset + (distance * Math.cos(radians))).round - y = (yoffset + (distance * Math.sin(radians))).round - pass.solids << [ x, y, blocksize, blocksize, 255, 255, 0 ] - end -end - -def draw_scene args, pass - pass.solids << [0, 360, 1280, 360, 0, 0, 200] - pass.solids << [0, 0, 1280, 360, 0, 127, 0] - - blocksize = 100 - angleoffset = args.state.tick_count * 2.5 - centerx = (1280 - blocksize) / 2 - centery = (720 - blocksize) / 2 - - circle_of_blocks pass, centerx, centery, angleoffset, blocksize * 2, 500 - circle_of_blocks pass, centerx, centery, angleoffset, blocksize, 325 - circle_of_blocks pass, centerx, centery, angleoffset, blocksize / 2, 200 - circle_of_blocks pass, centerx, centery, angleoffset, blocksize / 4, 100 -end - -def tick args - segments = 160 - - # On the first tick, initialize some stuff. - if !args.state.yoffsets - args.state.baseyoff = 0 - args.state.yoffsets = [] - for i in 0..segments do - args.state.yoffsets << rand * 100 - end - end - - # Just draw some random stuff for a few seconds. - args.state.static_debounce ||= 60 * 2.5 - if args.state.static_debounce > 0 - last_frame = args.state.static_debounce == 1 - target = last_frame ? args.render_target(:last_frame) : args.outputs - draw_scene args, target - args.state.static_debounce -= 1 - return unless last_frame - end - - # build up the wipe... - - # this is the thing we're wiping to. - args.outputs.sprites << [ 0, 0, 1280, 720, 'dragonruby.png' ] - - return if (args.state.baseyoff > (1280 + 100)) # stop when done sliding - - segmentw = 1280 / segments - - x = 0 - for i in 0..segments do - yoffset = 0 - if args.state.yoffsets[i] < args.state.baseyoff - yoffset = args.state.baseyoff - args.state.yoffsets[i] - end - - # (720 - yoffset) flips the coordinate system, (- 720) adjusts for the height of the segment. - args.outputs.sprites << [ x, (720 - yoffset) - 720, segmentw, 720, 'last_frame', 0, 255, 255, 255, 255, x, 0, segmentw, 720 ] - x += segmentw - end - - args.state.baseyoff += 4 - - tick_instructions args, "Sample app shows an advanced usage of render_target." -end - -def tick_instructions args, text, y = 715 - return if args.state.key_event_occurred - if args.inputs.mouse.click || - args.inputs.keyboard.directional_vector || - args.inputs.keyboard.key_down.enter || - args.inputs.keyboard.key_down.escape - args.state.key_event_occurred = true - end - - args.outputs.debug << [0, y - 50, 1280, 60].solid - args.outputs.debug << [640, y, text, 1, 1, 255, 255, 255].label - args.outputs.debug << [640, y - 25, "(click to dismiss instructions)" , -2, 1, 255, 255, 255].label -end |
