diff options
Diffstat (limited to 'samples/01_rendering_basics/06_audio_mixer/app/main.rb')
| -rw-r--r-- | samples/01_rendering_basics/06_audio_mixer/app/main.rb | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/samples/01_rendering_basics/06_audio_mixer/app/main.rb b/samples/01_rendering_basics/06_audio_mixer/app/main.rb new file mode 100644 index 0000000..a09c7f1 --- /dev/null +++ b/samples/01_rendering_basics/06_audio_mixer/app/main.rb @@ -0,0 +1,158 @@ +$gtk.reset + +$boxsize = 30 + +def render_sources args + mouse_in_panel = (args.state.selected != 0) && args.inputs.mouse.position.inside_rect?([900, 450, 340, 250]) + mouse_new_down = (args.state.mouse_held == 1) + + if (mouse_new_down && !mouse_in_panel) + args.state.selected = 0 # will reset below if we hit something. + end + + args.audio.keys.each { |k| + s = args.audio[k] + + if (mouse_new_down) && !mouse_in_panel && args.inputs.mouse.position.inside_rect?([s[:screenx], s[:screeny], $boxsize, $boxsize]) + args.state.selected = k + args.state.dragging_source = true + end + + isselected = (k == args.state.selected) + + if isselected && args.state.dragging_source + # you can hang anything on the audio hashes you want, so we store the + # actual screen position so it doesn't scale weirdly vs your mouse. + s[:screenx] = args.inputs.mouse.x - ($boxsize / 2) + s[:screeny] = args.inputs.mouse.y - ($boxsize / 2) + + s[:screeny] = 50 if s[:screeny] < 50 + s[:screeny] = (719 - $boxsize) if s[:screeny] > (719 - $boxsize) + s[:screenx] = 0 if s[:screenx] < 0 + s[:screenx] = (1279 - $boxsize) if s[:screenx] > (1279 - $boxsize) + + s[:x] = ((s[:screenx] / 1279.0) * 2.0) - 1.0 # scale to -1.0 - 1.0 range + s[:y] = ((s[:screeny] / 719.0) * 2.0) - 1.0 # scale to -1.0 - 1.0 range + end + + color = isselected ? [ 0, 255, 0, 255 ] : [ 0, 0, 255, 255 ] + args.outputs.primitives << [s[:screenx], s[:screeny], $boxsize, $boxsize, *color].solid + } +end + +def render_panel args + s = args.audio[args.state.selected] + return if s.nil? + mouse_down = (args.state.mouse_held > 0) + + args.outputs.primitives << [900, 450, 340, 250, 127, 127, 200, 255].solid + args.outputs.primitives << [1075, 690, "Source ##{args.state.selected}", 3, 1, 255, 255, 255].label + args.outputs.primitives << [910, 660, 1230, 660, 255, 255, 255].line + args.outputs.primitives << [910, 650, "screen: (#{s[:screenx].to_i}, #{s[:screeny].to_i})", 0, 0, 255, 255, 255].label + args.outputs.primitives << [910, 625, "position: (#{s[:x].round(5).to_s[0..6]}, #{s[:y].round(5).to_s[0..6]})", 0, 0, 255, 255, 255].label + + slider = [1022, 586, 200, 7] + if mouse_down && args.inputs.mouse.position.inside_rect?(slider) + s[:pitch] = ((args.inputs.mouse.x - slider[0]).to_f / (slider[2]-1.0)) * 2.0 + end + slidercolor = (s[:pitch] / 2.0) * 255 + args.outputs.primitives << [*slider, slidercolor, slidercolor, slidercolor, 255].solid + args.outputs.primitives << [910, 600, "pitch: #{s[:pitch].round(3).to_s[0..2]}", 0, 0, 255, 255, 255].label + + slider = [1022, 561, 200, 7] + if mouse_down && args.inputs.mouse.position.inside_rect?(slider) + s[:gain] = (args.inputs.mouse.x - slider[0]).to_f / (slider[2]-1.0) + end + slidercolor = s[:gain] * 255 + args.outputs.primitives << [*slider, slidercolor, slidercolor, slidercolor, 255].solid + args.outputs.primitives << [910, 575, "gain: #{s[:gain].round(3).to_s[0..2]}", 0, 0, 255, 255, 255].label + + checkbox = [1022, 533, 10, 12] + if (args.state.mouse_held == 1) && args.inputs.mouse.position.inside_rect?(checkbox) + s[:looping] = !s[:looping] + end + checkboxcolor = s[:looping] ? 255 : 0 + args.outputs.primitives << [*checkbox, checkboxcolor, checkboxcolor, checkboxcolor, 255].solid + args.outputs.primitives << [910, 550, "looping:", 0, 0, 255, 255, 255].label + + checkbox = [1022, 508, 10, 12] + if (args.state.mouse_held == 1) && args.inputs.mouse.position.inside_rect?(checkbox) + s[:paused] = !s[:paused] + end + checkboxcolor = s[:paused] ? 255 : 0 + args.outputs.primitives << [*checkbox, checkboxcolor, checkboxcolor, checkboxcolor, 255].solid + args.outputs.primitives << [910, 525, "paused:", 0, 0, 255, 255, 255].label + + button = [910, 460, 320, 20] + if (args.state.mouse_held == 1) && args.inputs.mouse.position.inside_rect?(button) + args.audio.delete(args.state.selected) + args.state.selected = 0 + end + args.outputs.primitives << [*button, 255, 0, 0, 255].solid + args.outputs.primitives << [button[0] + (button[2] / 2), button[1]+20, "DELETE SOURCE", 0, 1, 255, 255, 0].label +end + +def spawn_new_sound args, num + # Spawn randomly in an area that won't be covered by UI. + screenx = (rand * 600.0) + 200.0 + screeny = (rand * 400.0) + 100.0 + + args.state.next_sound_index += 1 + + # you can hang anything on the audio hashes you want, so we store the + # actual screen position in here for convenience. + args.audio[args.state.next_sound_index] = { + filename: "sounds/#{num}.#{(num == 6) ? 'ogg' : 'wav'}", + screenx: screenx, + screeny: screeny, + x: ((screenx / 1279.0) * 2.0) - 1.0, # scale to -1.0 - 1.0 range + y: ((screeny / 719.0) * 2.0) - 1.0, # scale to -1.0 - 1.0 range + z: 0.0, + gain: 1.0, + pitch: 1.0, + looping: true, + paused: false + } + + args.state.selected = args.state.next_sound_index +end + +def render_launcher args + total = 6 + x = (1280 - (total * $boxsize * 3)) / 2 + y = 10 + args.outputs.primitives << [0, 0, 1280, ((y*2) + $boxsize), 127, 127, 127, 255].solid + for i in 1..total + args.outputs.primitives << [x, y, $boxsize, $boxsize, 255, 255, 255, 255].solid + args.outputs.primitives << [x+8, y+28, i.to_s, 3, 0, 0, 0, 255, 255].label + if args.inputs.mouse.click && args.inputs.mouse.click.point.inside_rect?([x, y, $boxsize, $boxsize]) + spawn_new_sound args, i + end + x = x + ($boxsize * 3) + end +end + +def render_ui args + render_launcher args + render_panel args +end + +def tick args + args.state.mouse_held ||= 0 + args.state.dragging_source ||= false + args.state.selected ||= 0 + args.state.next_sound_index ||= 0 + + if args.inputs.mouse.up + args.state.mouse_held = 0 + args.state.dragging_source = false + elsif args.inputs.mouse.down || (args.state.mouse_held > 0) + args.state.mouse_held += 1 + else + end + + args.outputs.background_color = [ 0, 0, 0, 255 ] + render_sources args + render_ui args +end + |