From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/ext/tk/sample/demos-jp/goldberg.rb | 2011 +++++++++++++++++++++++++++ 1 file changed, 2011 insertions(+) create mode 100644 jni/ruby/ext/tk/sample/demos-jp/goldberg.rb (limited to 'jni/ruby/ext/tk/sample/demos-jp/goldberg.rb') diff --git a/jni/ruby/ext/tk/sample/demos-jp/goldberg.rb b/jni/ruby/ext/tk/sample/demos-jp/goldberg.rb new file mode 100644 index 0000000..fc38d87 --- /dev/null +++ b/jni/ruby/ext/tk/sample/demos-jp/goldberg.rb @@ -0,0 +1,2011 @@ +# -*- coding: utf-8 -*- +# +# Ruby/Tk Goldverg demo (called by 'widget') +# +# Based on Tcl/Tk8.5a2 widget demos. +# The following is the original comment of TkGoldberg.tcl. +# +#>>##+################################################################# +#>># +#>># TkGoldberg.tcl +#>># by Keith Vetter, March 13, 2003 +#>># +#>># "Man will always find a difficult means to perform a simple task" +#>># Rube Goldberg +#>># +#>># Reproduced here with permission. +#>># +#>>##+################################################################# +#>># +#>># Keith Vetter 2003-03-21: this started out as a simple little program +#>># but was so much fun that it grew and grew. So I apologize about the +#>># size but I just couldn't resist sharing it. +#>># +#>># This is a whizzlet that does a Rube Goldberg type animation, the +#>># design of which comes from an New Years e-card from IncrediMail. +#>># That version had nice sound effects which I eschewed. On the other +#>># hand, that version was in black and white (actually dark blue and +#>># light blue) and this one is fully colorized. +#>># +#>># One thing I learned from this project is that drawing filled complex +#>># objects on a canvas is really hard. More often than not I had to +#>># draw each item twice--once with the desired fill color but no +#>># outline, and once with no fill but with the outline. Another trick +#>># is erasing by drawing with the background color. Having a flood fill +#>># command would have been extremely helpful. +#>># +#>># Two wiki pages were extremely helpful: Drawing rounded rectangles +#>># which I generalized into Drawing rounded polygons, and regular +#>># polygons which allowed me to convert ovals and arcs into polygons +#>># which could then be rotated (see Canvas Rotation). I also wrote +#>># Named Colors to aid in the color selection. +#>># +#>># I could comment on the code, but it's just 26 state machines with +#>># lots of canvas create and move calls. + +if defined?($goldberg_demo) && $goldberg_demo + $goldberg_demo.destroy + $goldberg_demo = nil +end + +# demo toplevel widget +$goldberg_demo = TkToplevel.new {|w| + title("Tk Goldberg (demonstration)") + iconname("goldberg") +# positionWindow(w) +} + +base_frame = TkFrame.new($goldberg_demo).pack(:fill=>:both, :expand=>true) + +=begin +# label +msg = TkLabel.new($goldberg_demo) { + font 'Arial 10' + wraplength '4i' + justify 'left' + text "これは、あなたが自分のアニメーションをいかに入り組んだものにできるかを示すというだけのためのデモです。ボールをクリックすれば物が動き始めます！\n\n\"Man will always find a difficult means to perform a simple task\"\n - Rube Goldberg" +} +msg.pack('side'=>'top') +=end + +=begin +# frame +TkFrame.new($goldberg_demo) {|frame| + TkButton.new(frame) { + text '閉じる' + command proc{ + tmppath = $goldberg_demo + $goldberg_demo = nil + tmppath.destroy + } + }.pack('side'=>'left', 'expand'=>'yes') + + TkButton.new(frame) { + text 'コード参照' + command proc{showCode 'goldberg'} + }.pack('side'=>'left', 'expand'=>'yes') + +}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') +=end + +######################################### + +class TkGoldberg_Demo + def initialize(parent) + @parent = parent + + @S = {} + @S['title'] = 'Tk Goldberg' + @S['speed'] = TkVariable.new(5) + @S['cnt'] = TkVariable.new(0) + # @S['message'] = TkVariable.new("\\nWelcome\\nto\\nRuby/Tk") + @S['message'] = TkVariable.new("\\n ようこそ！\\nRuby/Tk\\nの\\n世界へ") + @S['pause'] = TkVariable.new + @S['details'] = TkVariable.new(true) + + @S['mode'] = TkVariable.new(:MSTART, :symbol) + # :MSTART, :MGO, :MPAUSE, :MSSTEP, :MBSTEP, :MDONE, :MDEBUG + + # 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 + @speed = [1, 10, 20, 50, 80, 100, 150, 200, 300, 400, 500] + + # colors + @C = {} + @C['fg'] = 'black' + # @C['bg'] = 'gray75' + @C['bg'] = 'cornflowerblue' + + @C['0'] = 'white'; @C['1a'] = 'darkgreen'; @C['1b'] = 'yellow' + @C['2'] = 'red'; @C['3a'] = 'green'; @C['3b'] = 'darkblue' + @C['4'] = @C['fg']; @C['5a'] = 'brown'; @C['5b'] = 'white' + @C['6'] = 'magenta'; @C['7'] = 'green'; @C['8'] = @C['fg'] + @C['9'] = 'blue4'; @C['10a'] = 'white'; @C['10b'] = 'cyan' + @C['11a'] = 'yellow'; @C['11b'] = 'mediumblue'; @C['12'] = 'tan2' + @C['13a'] = 'yellow'; @C['13b'] = 'red'; @C['14'] = 'white' + @C['15a'] = 'green'; @C['15b'] = 'yellow'; @C['16'] = 'gray65' + @C['17'] = '#A65353'; @C['18'] = @C['fg']; @C['19'] = 'gray50' + @C['20'] = 'cyan'; @C['21'] = 'gray65'; @C['22'] = @C['20'] + @C['23a'] = 'blue'; @C['23b'] = 'red'; @C['23c'] = 'yellow' + @C['24a'] = 'red'; @C['24b'] = 'white'; + + @STEP = TkVariable.new_hash + @STEP.default_value_type = :numeric + + @XY = {} + + @XY6 = { + '-1'=>[366, 207], '-2'=>[349, 204], '-3'=>[359, 193], '-4'=>[375, 192], + '-5'=>[340, 190], '-6'=>[349, 177], '-7'=>[366, 177], '-8'=>[380, 176], + '-9'=>[332, 172], '-10'=>[342, 161], '-11'=>[357, 164], + '-12'=>[372, 163], '-13'=>[381, 149], '-14'=>[364, 151], + '-15'=>[349, 146], '-16'=>[333, 148], '0'=>[357, 219], + '1'=>[359, 261], '2'=>[359, 291], '3'=>[359, 318], '4'=>[361, 324], + '5'=>[365, 329], '6'=>[367, 334], '7'=>[367, 340], '8'=>[366, 346], + '9'=>[364, 350], '10'=>[361, 355], '11'=>[359, 370], '12'=>[359, 391], + '13,0'=>[360, 456], '13,1'=>[376, 456], '13,2'=>[346, 456], + '13,3'=>[330, 456], '13,4'=>[353, 444], '13,5'=>[368, 443], + '13,6'=>[339, 442], '13,7'=>[359, 431], '13,8'=>[380, 437], + '13,9'=>[345, 428], '13,10'=>[328, 434], '13,11'=>[373, 424], + '13,12'=>[331, 420], '13,13'=>[360, 417], '13,14'=>[345, 412], + '13,15'=>[376, 410], '13,16'=>[360, 403] + } + + @timer = TkTimer.new(@speed[@S['speed'].numeric]){|timer| + timer.set_interval(go) + } + + do_display + reset + + # Start everything going + @timer.start + end + + def do_display() + @ctrl = TkFrame.new(@parent, :relief=>:ridge, :bd=>2, :padx=>5, :pady=>5) + @screen = TkFrame.new(@parent, :bd=>2, + :relief=>:raised).pack(:side=>:left, :fill=>:both, + :expand=>true) + + @canvas = TkCanvas.new(@parent, :width=>850, :height=>700, + :bg=>@C['bg'], :highlightthickness=>0){ + scrollregion([0, 0, 1000, 1000]) # Kludge to move everything up + yview_moveto(0.05) + }.pack(:in=>@screen, :side=>:top, :fill=>:both, :expand=>true) + + @canvas.bind('3'){ @pause.invoke } + @canvas.bind('Destroy'){ @timer.stop } + + do_ctrl_frame + do_detail_frame + + # msg = TkLabel.new(@parent, :bg=>@C['bg'], :fg=>'white') { + msg = Tk::Label.new(@parent, :bg=>@C['bg'], :fg=>'white') { + font 'Arial 10' + wraplength 600 + justify 'left' + text "これは、あなたが自分のアニメーションをいかに入り組んだものにできるかを示すというだけのためのデモです。ボールをクリックすれば物が動き始めます！\n\"Man will always find a difficult means to perform a simple task\" - Rube Goldberg" + } + msg.place(:in=>@canvas, :relx=>0, :rely=>0, :anchor=>:nw) + + frame = TkFrame.new(@parent, :bg=>@C['bg']) + + # TkButton.new(frame, :bg=>@C['bg'], :activebackground=>@C['bg']) { + Tk::Button.new(frame, :bg=>@C['bg'], :activebackground=>@C['bg']) { + text '閉じる' + command proc{ + tmppath = $goldberg_demo + $goldberg_demo = nil + tmppath.destroy + } + }.pack('side'=>'left') + + # TkButton.new(frame, :bg=>@C['bg'], :activebackground=>@C['bg']) { + Tk::Button.new(frame, :bg=>@C['bg'], :activebackground=>@C['bg']) { + text 'コード参照' + command proc{showCode 'goldberg'} + }.pack('side'=>'left', 'padx'=>5) + + # @show = TkButton.new(frame, :text=>'>>', :command=>proc{show_ctrl}, + @show = Tk::Button.new(frame, :text=>'>>', :command=>proc{show_ctrl}, + :bg=>@C['bg'], :activebackground=>@C['bg']) + @show.pack('side'=>'left') + frame.place(:in=>@canvas, :relx=>1, :rely=>0, :anchor=>:ne) + + Tk.update + end + + def do_ctrl_frame + @start = Tk::Button.new(@parent, :text=>'Start', :bd=>6, + :command=>proc{do_button(0)}) + if font = @start['font'] + @start.font(font.weight('bold')) + end + + @pause = TkCheckbutton.new(@parent, :text=>'Pause', :font=>font, + :command=>proc{do_button(1)}, :relief=>:raised, + :variable=>@S['pause']) + + @step = TkButton.new(@parent, :text=>'Single Step', :font=>font, + :command=>proc{do_button(2)}) + @bstep = TkButton.new(@parent, :text=>'Big Step', :font=>font, + :command=>proc{do_button(4)}) + @reset = TkButton.new(@parent, :text=>'Reset', :font=>font, + :command=>proc{do_button(3)}) + + @details = TkFrame.new(@parent, :bd=>2, :relief=>:ridge) + @detail = TkCheckbutton.new(@parent, :text=>'Details', :font=>font, + :relief=>:raised, :variable=>@S['details']) + + @msg_entry = TkEntry.new(@parent, :textvariable=>@S['message'], + :justify=>:center) + @speed_scale = TkScale.new(@parent, :orient=>:horizontal, + :from=>1, :to=>10, :font=>font, + :variable=>@S['speed'], :bd=>2, + :relief=>:ridge, :showvalue=>false) + @about = TkButton.new(@parent, :text=>'About', + :command=>proc{about}, :font=>font) + + Tk.grid(@start, :in=>@ctrl, :row=>0, :sticky=>:ew) + @ctrl.grid_rowconfigure(1, :minsize=>10) + Tk.grid(@pause, :in=>@ctrl, :row=>2, :sticky=>:ew) + Tk.grid(@step, :in=>@ctrl, :sticky=>:ew) + Tk.grid(@bstep, :in=>@ctrl, :sticky=>:ew) + Tk.grid(@reset, :in=>@ctrl, :sticky=>:ew) + @ctrl.grid_rowconfigure(10, :minsize=>20) + Tk.grid(@details, :in=>@ctrl, :row=>11, :sticky=>:ew) + Tk.grid(@detail, :in=>@details, :row=>0, :sticky=>:ew) + @ctrl.grid_rowconfigure(50, :weight=>1) + + @S['mode'].trace('w', proc{|*args| active_GUI(*args)}) + @S['details'].trace('w', proc{|*args| active_GUI(*args)}) + @S['speed'].trace('w', proc{|*args| active_GUI(*args)}) + + Tk.grid(@msg_entry, :in=>@ctrl, :row=>98, :sticky=>:ew, :pady=>5) + Tk.grid(@speed_scale, :in=>@ctrl, :row=>99, :sticky=>:ew) + Tk.grid(@about, :in=>@ctrl, :row=>100, :sticky=>:ew) + + @reset.bind('3'){@S['mode'].value = -1} # Debugging + end + + def do_detail_frame + @f_details = TkFrame.new(@details) + + @label = TkLabel.new(@f_details, :textvariable=>@S['cnt'], + :bd=>1, :relief=>:solid, :bg=>'white') + Tk.grid(@label, '-', '-', '-', :sticky=>:ew, :row=>0) + + idx = 1 + loop { + break unless respond_to?("move#{idx}") + l = TkLabel.new(@f_details, :text=>idx, :anchor=>:e, + :width=>2, :bd=>1, :relief=>:solid, :bg=>'white') + @STEP[idx] = 0 + ll = TkLabel.new(@f_details, :textvariable=>@STEP.ref(idx), + :width=>5, :bd=>1, :relief=>:solid, :bg=>'white') + row = (idx + 1)/2 + col = ((idx + 1) & 1) * 2 + Tk.grid(l, :sticky=>:ew, :row=>row, :column=>col) + Tk.grid(ll, :sticky=>:ew, :row=>row, :column=>(col + 1)) + idx += 1 + } + @f_details.grid_columnconfigure(1, :weight=>1) + end + + def show_ctrl + if @ctrl.winfo_mapped? + @ctrl.pack_forget + @show.text('>>') + else + @ctrl.pack(:side=>:right, :fill=>:both, :ipady=>5) + @show.text('<<') + end + end + + def draw_all + reset_step + @canvas.delete(:all) + idx = 0 + loop{ + m = "draw#{idx}" + break unless respond_to?(m) + send(m) + idx += 1 + } + end + + def active_GUI(var1, var2, op) + st = {false=>:disabled, true=>:normal} + + m = @S['mode'].to_sym + @S['pause'].value = (m == :MPAUSE) + @start.state(st[m != :MGO]) + @pause.state(st[m != :MSTART && m != :MDONE]) + @step.state(st[m != :MGO && m != :MDONE]) + @bstep.state(st[m != :MGO && m != :MDONE]) + @reset.state(st[m != :MSTART]) + + if @S['details'].bool + Tk.grid(@f_details, :in=>@details, :row=>2, :sticky=>:ew) + else + Tk.grid_forget(@f_details) + end + @speed_scale.label("Speed: #{@S['speed'].value}") + end + + def start + @S['mode'].value = :MGO + end + + def do_button(what) + case what + when 0 # Start + reset if @S['mode'].to_sym == :MDONE + @S['mode'].value = :MGO + + when 1 # Pause + @S['mode'].value = ((@S['pause'].bool)? :MPAUSE: :MGO) + + when 2 # Step + @S['mode'].value = :MSSTEP + + when 3 # Reset + reset + + when 4 # Big step + @S['mode'].value = :MBSTEP + end + end + + def go(who = nil) + now = Tk::Clock.clicks(:miliseconds) + if who # Start here for debugging + @S['active'] = [who] + @S['mode'].value = :MGO + end + return if @S['mode'].to_sym == :MDEBUG # Debugging + # If not paused, do the next move + n = next_step if @S['mode'].to_sym != :MPAUSE + @S['mode'].value = :MPAUSE if @S['mode'].to_sym == :MSSTEP # Single step + @S['mode'].value = :MSSTEP if @S['mode'].to_sym == :MBSTEP && n # big step + elapsed = Tk::Clock.clicks(:miliseconds) - now + delay = @speed[@S['speed'].to_i] - elapsed + delay = 1 if delay <= 0 + return delay + end + + def next_step + retval = false # Return value + + if @S['mode'].to_sym != :MSTART && @S['mode'].to_sym != :MDONE + @S['cnt'].numeric += 1 + end + alive = [] + @S['active'].each{|who| + who = who.to_i + n = send("move#{who}") + if (n & 1).nonzero? # This guy still alive + alive << who + end + if (n & 2).nonzero? # Next guy is active + alive << (who + 1) + retval = true + end + if (n & 4).nonzero? # End of puzzle flag + @S['mode'].value = :MDONE # Done mode + @S['active'] = [] # No more animation + return true + end + } + @S['active'] = alive + return retval + end + + def about + msg = "Ruby/Tk Version ::\nby Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)\n\n" + msg += "Original Version ::\n" + msg += "#{@S['title']}\nby Keith Vetter, March 2003\n(Reproduced by kind permission of the author)\n\n" + msg += "Man will always find a difficult means to perform a simple task" + msg += "\nRube Goldberg" + Tk.messageBox(:message=>msg, :title=>'About') + end + + ################################################################ + # + # All the drawing and moving routines + # + + # START HERE! banner + def draw0 + color = @C['0'] + TkcText.new(@canvas, + # [579, 119], :text=>'START HERE!', + [558, 119], :text=>'ここからスタート！', + :fill=>color, :anchor=>:w, + :tag=>'I0', :font=>['Times Roman', 12, :italic, :bold]) + TkcLine.new(@canvas, [719, 119, 763, 119], :tag=>'I0', :fill=>color, + :width=>5, :arrow=>:last, :arrowshape=>[18, 18, 5]) + @canvas.itembind('I0', '1'){ start } + end + + def move0(step = nil) + step = get_step(0, step) + + if @S['mode'].to_sym != :MSTART # Start the ball rolling + move_abs('I0', [-100, -100]) # Hide the banner + return 2 + end + + pos = [ + [673, 119], [678, 119], [683, 119], [688, 119], + [693, 119], [688, 119], [683, 119], [678, 119] + ] + step = step % pos.length + move_abs('I0', pos[step]) + return 1 + end + + # Dropping ball + def draw1 + color = @C['1a'] + color2 = @C['1b'] + TkcPolygon.new(@canvas, + [ 844, 133, 800, 133, 800, 346, 820, 346, + 820, 168, 844, 168, 844, 133 ], + :width=>3, :fill=>color, :outline=>'') + TkcPolygon.new(@canvas, + [ 771, 133, 685, 133, 685, 168, 751, 168, + 751, 346, 771, 346, 771, 133 ], + :width=>3, :fill=>color, :outline=>'') + TkcOval.new(@canvas, box(812, 122, 9), + :tag=>'I1', :fill=>color2, :outline=>'') + + @canvas.itembind('I1', '1'){ start } + end + + def move1(step = nil) + step = get_step(1, step) + pos = [ + [807, 122], [802, 122], [797, 123], [793, 124], [789, 129], [785, 153], + [785, 203], [785, 278, :x], [785, 367], [810, 392], [816, 438], + [821, 503], [824, 585, :y], [838, 587], [848, 593], [857, 601], + [-100, -100] + ] + return 0 if step >= pos.length + where = pos[step] + move_abs('I1', where) + move15a if where[2] == :y + return 3 if where[2] == :x + return 1 + end + + # Lighting the match + def draw2 + color = @C['2'] + + # Fulcrum + TkcPolygon.new(@canvas, [750, 369, 740, 392, 760, 392], + :fill=>@C['fg'], :outline=>@C['fg']) + + # Strike box + TkcRectangle.new(@canvas, [628, 335, 660, 383], + :fill=>'', :outline=>@C['fg']) + (0..2).each{|y| + yy = 335 + y*16 + TkcBitmap.new(@canvas, [628, yy], :bitmap=>'gray25', + :anchor=>:nw, :foreground=>@C['fg']) + TkcBitmap.new(@canvas, [644, yy], :bitmap=>'gray25', + :anchor=>:nw, :foreground=>@C['fg']) + } + + # Lever + TkcLine.new(@canvas, [702, 366, 798, 366], + :fill=>@C['fg'], :width=>6, :tag=>'I2_0') + + # R strap + TkcLine.new(@canvas, [712, 363, 712, 355], + :fill=>@C['fg'], :width=>3, :tag=>'I2_1') + + # L strap + TkcLine.new(@canvas, [705, 363, 705, 355], + :fill=>@C['fg'], :width=>3, :tag=>'I2_2') + + # Match stick + TkcLine.new(@canvas, [679, 356, 679, 360, 717, 360, 717, 356, 679, 356], + :fill=>@C['fg'], :width=>3, :tag=>'I2_3') + + # Match head + TkcPolygon.new(@canvas, + [ 671, 352, 677.4, 353.9, 680, 358.5, 677.4, 363.1, + 671, 365, 664.6, 363.1, 662, 358.5, 664.6, 353.9 ], + :fill=>color, :outline=>color, :tag=>'I2_4') + end + + def move2(step = nil) + step = get_step(2, step) + + stages = [0, 0, 1, 2, 0, 2, 1, 0, 1, 2, 0, 2, 1] + xy = [] + xy[0] = [ + 686, 333, 692, 323, 682, 316, 674, 309, 671, 295, 668, 307, + 662, 318, 662, 328, 671, 336 + ] + xy[1] = [ + 687, 331, 698, 322, 703, 295, 680, 320, 668, 297, 663, 311, + 661, 327, 671, 335 + ] + xy[2] = [ + 686, 331, 704, 322, 688, 300, 678, 283, 678, 283, 674, 298, + 666, 309, 660, 324, 672, 336 + ] + + if step >= stages.length + @canvas.delete('I2') + return 0 + end + + if step == 0 # Rotate the match + beta = 20 + + ox, oy = anchor('I2_0', :s) # Where to pivot + + i = 0 + until @canvas.find_withtag("I2_#{i}").empty? + rotate_item("I2_#{i}", ox, oy, beta) + i += 1 + end + + # For the flame + TkcPolygon.new(@canvas, [], :tag=>'I2', :smooth=>true, :fill=>@C['2']) + + return 1 + end + @canvas.coords('I2', xy[stages[step]]) + return ((step == 7)? 3: 1) + end + + # Weight and pulleys + def draw3 + color = @C['3a'] + color2 = @C['3b'] + + xy = [ [602, 296], [577, 174], [518, 174] ] + xy.each{|x, y| # 3 Pulleys + TkcOval.new(@canvas, box(x, y, 13), + :fill=>color, :outline=>@C['fg'], :width=>3) + TkcOval.new(@canvas, box(x, y, 2), :fill=>@C['fg'], :outline=>@C['fg']) + } + + # Wall to flame + TkcLine.new(@canvas, [750, 309, 670, 309], :tag=>'I3_s', + :width=>3, :fill=>@C['fg'], :smooth=>true) + + # Flame to pulley 1 + TkcLine.new(@canvas, [670, 309, 650, 309], :tag=>'I3_0', + :width=>3, :fill=>@C['fg'], :smooth=>true) + TkcLine.new(@canvas, [650, 309, 600, 309], :tag=>'I3_1', + :width=>3, :fill=>@C['fg'], :smooth=>true) + + # Pulley 1 half way to 2 + TkcLine.new(@canvas, [589, 296, 589, 235], :tag=>'I3_2', + :width=>3, :fill=>@C['fg']) + + # Pulley 1 other half to 2 + TkcLine.new(@canvas, [589, 235, 589, 174], :width=>3, :fill=>@C['fg']) + + # Across the top + TkcLine.new(@canvas, [577, 161, 518, 161], :width=>3, :fill=>@C['fg']) + + # Down to weight + TkcLine.new(@canvas, [505, 174, 505, 205], :tag=>'I3_w', + :width=>3, :fill=>@C['fg']) + + # Draw the weight as 2 circles, two rectangles and 1 rounded rectangle + x1, y1, x2, y2 = [515, 207, 495, 207] + TkcOval.new(@canvas, box(x1, y1, 6), + :tag=>'I3_', :fill=>color2, :outline=>color2) + TkcOval.new(@canvas, box(x2, y2, 6), + :tag=>'I3_', :fill=>color2, :outline=>color2) + TkcRectangle.new(@canvas, x1, y1 - 6, x2, y2 + 6, + :tag=>'I3_', :fill=>color2, :outline=>color2) + + TkcPolygon.new(@canvas, round_rect([492, 220, 518, 263], 15), + :smooth=>true, :tag=>'I3_', :fill=>color2, :outline=>color2) + + TkcLine.new(@canvas, [500, 217, 511, 217], + :tag=>'I3_', :fill=>color2, :width=>10) + + # Bottom weight target + TkcLine.new(@canvas, [502, 393, 522, 393, 522, 465], + :tag=>'I3__', :fill=>@C['fg'], :joinstyle=>:miter, :width=>10) + end + + def move3(step = nil) + step = get_step(3, step) + + pos = [ [505, 247], [505, 297], [505, 386.5], [505, 386.5] ] + rope = [] + rope[0] = [750, 309, 729, 301, 711, 324, 690, 300] + rope[1] = [750, 309, 737, 292, 736, 335, 717, 315, 712, 320] + rope[2] = [750, 309, 737, 309, 740, 343, 736, 351, 725, 340] + rope[3] = [750, 309, 738, 321, 746, 345, 742, 356] + + return 0 if step >= pos.length + + @canvas.delete("I3_#{step}") # Delete part of the rope + move_abs('I3_', pos[step]) # Move weight down + @canvas.coords('I3_s', rope[step]) # Flapping rope end + @canvas.coords('I3_w', [505, 174].concat(pos[step])) + if step == 2 + @canvas.move('I3__', 0, 30) + return 2 + end + return 1 + end + + # Cage and door + def draw4 + color = @C['4'] + x0, y0, x1, y1 = [527, 356, 611, 464] + + # Horizontal bars + y0.step(y1, 12){|y| + TkcLine.new(@canvas, [x0, y, x1, y], :fill=>color, :width=>1) + } + + # Vertical bars + x0.step(x1, 12){|x| + TkcLine.new(@canvas, [x, y0, x, y1], :fill=>color, :width=>1) + } + + # Swing gate + TkcLine.new(@canvas, [518, 464, 518, 428], + :tag=>'I4', :fill=>color, :width=>1) + end + + def move4(step = nil) + step = get_step(4, step) + + angles = [-10, -20, -30, -30] + return 0 if step >= angles.length + + rotate_item('I4', 518, 464, angles[step]) + @canvas.raise('I4') + + return((step == 3)? 3: 1) + end + + # Mouse + def draw5 + color = @C['5a'] + color2 = @C['5b'] + + xy = [377, 248, 410, 248, 410, 465, 518, 465] # Mouse course + xy.concat [518, 428, 451, 428, 451, 212, 377, 212] + + TkcPolygon.new(@canvas, xy, :fill=>color2, :outline=>@C['fg'], :width=>3) + + xy = [ + 534.5, 445.5, 541, 440, 552, 436, 560, 436, 569, 440, 574, 446, + 575, 452, 574, 454, 566, 456, 554, 456, 545, 456, 537, 454, 530, 452 + ] + TkcPolygon.new(@canvas, xy, :tag=>['I5', 'I5_0'], :fill=>color) + + TkcLine.new(@canvas, [573, 452, 592, 458, 601, 460, 613, 456], # Tail + :tag=>['I5', 'I5_1'], :fill=>color, :smooth=>true, :width=>3) + + xy = box(540, 446, 2) # Eye + xy = [540, 444, 541, 445, 541, 447, 540, 448, 538, 447, 538, 445] + TkcPolygon.new(@canvas, xy, :tag=>['I5', 'I5_2'], :fill=>@C['bg'], + :outline=>'', :smooth=>true) + + xy = [538, 454, 535, 461] # Front leg + TkcLine.new(@canvas, xy, :tag=>['I5', 'I5_3'], :fill=>color, :width=>2) + + xy = [566, 455, 569, 462] # Back leg + TkcLine.new(@canvas, xy, :tag=>['I5', 'I5_4'], :fill=>color, :width=>2) + + xy = [544, 455, 545, 460] # 2nd front leg + TkcLine.new(@canvas, xy, :tag=>['I5', 'I5_5'], :fill=>color, :width=>2) + + xy = [560, 455, 558, 460] # 2nd back leg + TkcLine.new(@canvas, xy, :tag=>['I5', 'I5_6'], :fill=>color, :width=>2) + end + + def move5(step = nil) + step = get_step(5, step) + + pos = [ + [553, 452], [533, 452], [513, 452], [493, 452], [473, 452], + [463, 442, 30], [445.5, 441.5, 30], [425.5, 434.5, 30], [422, 414], + [422, 394], [422, 374], [422, 354], [422, 334], [422, 314], [422, 294], + [422, 274, -30], [422, 260.5, -30, :x], [422.5, 248.5, -28], [425, 237] + ] + + return 0 if step >= pos.length + + x, y, beta, nxt = pos[step] + move_abs('I5', [x, y]) + if beta + ox, oy = centroid('I5_0') + (0..6).each{|id| rotate_item("I5_#{id}", ox, oy, beta) } + end + return 3 if nxt == :x + return 1 + end + + # Dropping gumballs + def draw6 + color = @C['6'] + xy = [324, 130, 391, 204] # Ball holder + xy = round_rect(xy, 10) + TkcPolygon.new(@canvas, xy, :smooth=>true, + :outline=>@C['fg'], :width=>3, :fill=>color) + xy = [339, 204, 376, 253] # Below the ball holder + TkcRectangle.new(@canvas, xy, :outline=>@C['fg'], :width=>3, + :fill=>color, :tag=>'I6c') + xy = box(346, 339, 28) + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'') # Roter + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>2, :style=>:arc, + :start=>80, :extent=>205) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>2, :style=>:arc, + :start=>-41, :extent=>85) + + xy = box(346, 339, 15) # Center of rotor + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>@C['fg'], :tag=>'I6m') + xy = [352, 312, 352, 254, 368, 254, 368, 322] # Top drop to rotor + TkcPolygon.new(@canvas, xy, :fill=>color, :outline=>'') + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2) + + xy = [353, 240, 367, 300] # Poke bottom hole + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>'') + xy = [341, 190, 375, 210] # Poke another hole + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>'') + + xy = [ + 368, 356, 368, 403, 389, 403, 389, 464, 320, 464, 320, 403, + 352, 403, 352, 366 + ] + TkcPolygon.new(@canvas, xy, :fill=>color, :outline=>'', + :width=>2) # Below rotor + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2) + xy = box(275, 342, 7) # On/off rotor + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>@C['fg']) + xy = [276, 334, 342, 325] # Fan belt top + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + xy = [276, 349, 342, 353] # Fan belt bottom + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + + xy = [337, 212, 337, 247] # What the mouse pushes + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I6_') + xy = [392, 212, 392, 247] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I6_') + xy = [337, 230, 392, 230] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>7, :tag=>'I6_') + + who = -1 # All the balls + colors = %w(red cyan orange green blue darkblue) + colors *= 3 + + (0..16).each{|i| + loc = -i + color = colors[i] + x, y = @XY6["#{loc}"] + TkcOval.new(@canvas, box(x, y, 5), + :fill=>color, :outline=>color, :tag=>"I6_b#{i}") + } + draw6a(12) # The wheel + end + + def draw6a(beta) + @canvas.delete('I6_0') + ox, oy = [346, 339] + (0..3).each{|i| + b = beta + i * 45 + x, y = rotate_c(28, 0, 0, 0, b) + xy = [ox + x, oy + y, ox - x, oy - y] + TkcLine.new(@canvas, xy, :tag=>'I6_0', :fill=>@C['fg'], :width=>2) + } + end + + def move6(step = nil) + step = get_step(6, step) + + return 0 if step > 62 + + if step < 2 # Open gate for balls to drop + @canvas.move('I6_', -7, 0) + if step == 1 # Poke a hole + xy = [348, 226, 365, 240] + TkcRectangle.new(@canvas, xy, :fill=>@canvas.itemcget('I6c', :fill), + :outline=>'') + end + return 1 + end + + s = step - 1 # Do the gumball drop dance + (0..(((s - 1)/3).to_i)).each{|i| + tag = "I6_b#{i}" + break if @canvas.find_withtag(tag).empty? + loc = s - 3*i + + if @XY6["#{loc},#{i}"] + move_abs(tag, @XY6["#{loc},#{i}"]) + elsif @XY6["#{loc}"] + move_abs(tag, @XY6["#{loc}"]) + end + } + if s % 3 == 1 + first = (s + 2)/3 + i = first + loop { + tag = "I6_b#{i}" + break if @canvas.find_withtag(tag).empty? + loc = first - i + move_abs(tag, @XY6["#{loc}"]) + i += 1 + } + end + if s >= 3 # Rotate the motor + idx = s % 3 + draw6a(12 + s * 15) + end + return((s == 3)? 3 : 1) + end + + # On/off switch + def draw7 + color = @C['7'] + xy = [198, 306, 277, 374] # Box + TkcRectangle.new(@canvas, xy, :outline=>@C['fg'], :width=>2, + :fill=>color, :tag=>'I7z') + @canvas.lower('I7z') + xy = [275, 343, 230, 349] + TkcLine.new(@canvas, xy, :tag=>'I7', :fill=>@C['fg'], :arrow=>:last, + :arrowshape=>[23, 23, 8], :width=>6) + xy = [225, 324] # On button + x, y = xy + TkcOval.new(@canvas, box(x, y, 3), :fill=>@C['fg'], :outline=>@C['fg']) + xy = [218, 323] # On text + font = ['Times Roman', 8] + TkcText.new(@canvas, xy, :text=>'on', :anchor=>:e, + :fill=>@C['fg'], :font=>font) + xy = [225, 350] # Off button + x, y = xy + TkcOval.new(@canvas, box(x, y, 3), :fill=>@C['fg'], :outline=>@C['fg']) + xy = [218, 349] # Off text + TkcText.new(@canvas, xy, :text=>'off', :anchor=>:e, + :fill=>@C['fg'], :font=>font) + end + + def move7(step = nil) + step = get_step(7, step) + + numsteps = 30 + return 0 if step > numsteps + beta = 30.0 / numsteps + rotate_item('I7', 275, 343, beta) + + return((step == numsteps)? 3: 1) + end + + # Electricity to the fan + def draw8 + sine([271, 248, 271, 306], 5, 8, :tag=>'I8_s', :fill=>@C['8'], :width=>3) + end + + def move8(step = nil) + step = get_step(8, step) + + return 0 if step > 3 + if step == 0 + sparkle(anchor('I8_s', :s), 'I8') + return 1 + elsif step == 1 + move_abs('I8', anchor('I8_s', :c)) + elsif step == 2 + move_abs('I8', anchor('I8_s', :n)) + else + @canvas.delete('I8') + end + return((step == 2)? 3: 1) + end + + # Fan + def draw9 + color = @C['9'] + xy = [266, 194, 310, 220] + TkcOval.new(@canvas, xy, :outline=>color, :fill=>color) + xy = [280, 209, 296, 248] + TkcOval.new(@canvas, xy, :outline=>color, :fill=>color) + xy = [ + 288, 249, 252, 249, 260, 240, 280, 234, + 296, 234, 316, 240, 324, 249, 288, 249 + ] + TkcPolygon.new(@canvas, xy, :fill=>color, :smooth=>true) + + xy = [248, 205, 265, 214, 264, 205, 265, 196] # Spinner + TkcPolygon.new(@canvas, xy, :fill=>color) + + xy = [255, 206, 265, 234] # Fan blades + TkcOval.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], + :width=>3, :tag=>'I9_0') + xy = [255, 176, 265, 204] + TkcOval.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], + :width=>3, :tag=>'I9_0') + xy = [255, 206, 265, 220] + TkcOval.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], + :width=>1, :tag=>'I9_1') + xy = [255, 190, 265, 204] + TkcOval.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], + :width=>1, :tag=>'I9_1') + end + + def move9(step = nil) + step = get_step(9, step) + + if (step & 1).nonzero? + @canvas.itemconfigure('I9_0', :width=>4) + @canvas.itemconfigure('I9_1', :width=>1) + @canvas.lower('I9_1', 'I9_0') + else + @canvas.itemconfigure('I9_0', :width=>1) + @canvas.itemconfigure('I9_1', :width=>4) + @canvas.lower('I9_0', 'I9_1') + end + return 3 if step == 0 + return 1 + end + + # Boat + def draw10 + color = @C['10a'] + color2 = @C['10b'] + xy = [191, 230, 233, 230, 233, 178, 191, 178] # Sail + TkcPolygon.new(@canvas, xy, :fill=>color, :width=>3, :outline=>@C['fg'], + :tag=>'I10') + xy = box(209, 204, 31) # Front + TkcArc.new(@canvas, xy, :outline=>'', :fill=>color, :style=>:pie, + :start=>120, :extent=>120, :tag=>'I10') + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :start=>120, :extent=>120, :tag=>'I10') + xy = box(249, 204, 31) # Back + TkcArc.new(@canvas, xy, :outline=>'', :fill=>@C['bg'], :width=>3, + :style=>:pie, :start=>120, :extent=>120, :tag=>'I10') + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :start=>120, :extent=>120, :tag=>'I10') + + xy = [200, 171, 200, 249] # Mast + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I10') + xy = [159, 234, 182, 234] # Bow sprit + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I10') + xy = [180, 234, 180, 251, 220, 251] # Hull + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>6, :tag=>'I10') + + xy = [92, 255, 221, 255] # Waves + sine(xy, 2, 25, :fill=>color2, :width=>1, :tag=>'I10w') + + xy = @canvas.coords('I10w')[4..-5] # Water + xy.concat([222, 266, 222, 277, 99, 277]) + TkcPolygon.new(@canvas, xy, :fill=>color2, :outline=>color2) + xy = [222, 266, 222, 277, 97, 277, 97, 266] # Water bottom + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + + xy = box(239, 262, 17) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :start=>95, :extent=>103) + xy = box(76, 266, 21) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :extent=>190) + end + + def move10(step = nil) + step = get_step(10, step) + + pos = [ + [195, 212], [193, 212], [190, 212], [186, 212], [181, 212], [176, 212], + [171, 212], [166, 212], [161, 212], [156, 212], [151, 212], [147, 212], + [142, 212], [137, 212], [132, 212, :x], [127, 212], [121, 212], + [116, 212], [111, 212] + ] + + return 0 if step >= pos.length + + where = pos[step] + move_abs('I10', where) + + return 3 if where[2] == :x + return 1 + end + + # 2nd ball drop + def draw11 + color = @C['11a'] + color2 = @C['11b'] + xy = [23, 264, 55, 591] # Color the down tube + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>'') + xy = box(71, 460, 48) # Color the outer loop + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'') + + xy = [55, 264, 55, 458] # Top right side + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + xy = [55, 504, 55, 591] # Bottom right side + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + xy = box(71, 460, 48) # Outer loop + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :start=>110, :extent=>-290, :tag=>'I11i') + xy = box(71, 460, 16) # Inner loop + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>'', + :width=>3, :tag=>'I11i') + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>@C['bg'], :width=>3) + + xy = [23, 264, 23, 591] # Left side + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + xy = box(1, 266, 23) # Top left curve + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, + :style=>:arc, :extent=>90) + + xy = box(75, 235, 9) # The ball + TkcOval.new(@canvas, xy, :fill=>color2, :outline=>'', + :width=>3, :tag=>'I11') + end + + def move11(step = nil) + step = get_step(11, step) + + pos = [ + [75, 235], [70, 235], [65, 237], [56, 240], [46, 247], [38, 266], + [38, 296], [38, 333], [38, 399], [38, 475], [74, 496], [105, 472], + [100, 437], [65, 423], [-100, -100], [38, 505], [38, 527, :x], [38, 591] + ] + + return 0 if step >= pos.length + where = pos[step] + move_abs('I11', where) + return 3 if where[2] == :x + return 1 + end + + # Hand + def draw12 + xy = [ + 20, 637, 20, 617, 20, 610, 20, 590, 40, 590, 40, 590, + 60, 590, 60, 610, 60, 610 + ] + xy.concat([60, 610, 65, 620, 60, 631]) # Thumb + xy.concat([60, 631, 60, 637, 60, 662, 60, 669, 52, 669, + 56, 669, 50, 669, 50, 662, 50, 637]) + + y0 = 637 # Bumps for fingers + y1 = 645 + 50.step(21, -10){|x| + x1 = x - 5 + x2 = x - 10 + xy << x << y0 << x1 << y1 << x2 << y0 + } + TkcPolygon.new(@canvas, xy, :fill=>@C['12'], :outline=>@C['fg'], + :smooth=>true, :tag=>'I12', :width=>3) + end + + def move12(step = nil) + step = get_step(12, step) + + pos = [[42.5, 641, :x]] + return 0 if step >= pos.length + where = pos[step] + move_abs('I12', where) + return 3 if where[2] == :x + return 1 + end + + # Fax + def draw13 + color = @C['13a'] + xy = [86, 663, 149, 663, 149, 704, 50, 704, 50, 681, 64, 681, 86, 671] + xy2 = [ + 784, 663, 721, 663, 721, 704, 820, 704, 820, 681, 806, 681, 784, 671 + ] + radii = [2, 9, 9, 8, 5, 5, 2] + + round_poly(@canvas, xy, radii, :width=>3, + :outline=>@C['fg'], :fill=>color) + round_poly(@canvas, xy2, radii, :width=>3, + :outline=>@C['fg'], :fill=>color) + + xy = [56, 677] + x, y = xy + TkcRectangle.new(@canvas, box(x, y, 4), :fill=>'', :outline=>@C['fg'], + :width=>3, :tag=>'I13') + xy = [809, 677] + x, y = xy + TkcRectangle.new(@canvas, box(x, y, 4), :fill=>'', :outline=>@C['fg'], + :width=>3, :tag=>'I13R') + + xy = [112, 687] # Label + TkcText.new(@canvas, xy, :text=>'FAX', :fill=>@C['fg'], + :font=>['Times Roman', 12, :bold]) + xy = [762, 687] + TkcText.new(@canvas, xy, :text=>'FAX', :fill=>@C['fg'], + :font=>['Times Roman', 12, :bold]) + + xy = [138, 663, 148, 636, 178, 636] # Paper guide + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>@C['fg'], :width=>3) + xy = [732, 663, 722, 636, 692, 636] + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>@C['fg'], :width=>3) + + sine([149, 688, 720, 688], 5, 15, + :tag=>'I13_s', :fill=>@C['fg'], :width=>3) + end + + def move13(step = nil) + step = get_step(13, step) + + numsteps = 7 + + if step == numsteps + 2 + move_abs('I13_star', [-100, -100]) + @canvas.itemconfigure('I13R', :fill=>@C['13b'], :width=>2) + return 2 + end + if step == 0 # Button down + @canvas.delete('I13') + sparkle([-100, -100], 'I13_star') # Create off screen + return 1 + end + x0, y0 = anchor('I13_s', :w) + x1, y1 = anchor('I13_s', :e) + x = x0 + (x1 - x0) * (step - 1) / numsteps.to_f + move_abs('I13_star', [x, y0]) + return 1 + end + + # Paper in fax + def draw14 + color = @C['14'] + xy = [102, 661, 113, 632, 130, 618] # Left paper edge + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>color, + :width=>3, :tag=>'I14L_0') + xy = [148, 629, 125, 640, 124, 662] # Right paper edge + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>color, + :width=>3, :tag=>'I14L_1') + draw14a('L') + + xy = [ + 768.0, 662.5, 767.991316225, 662.433786215, 767.926187912, 662.396880171 + ] + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>color, + :width=>3, :tag=>'I14R_0') + @canvas.lower('I14R_0') + # NB. these numbers are VERY sensitive, you must start with final size + # and shrink down to get the values + xy = [ + 745.947897349, 662.428358855, 745.997829056, 662.452239237, 746.0, 662.5 + ] + TkcLine.new(@canvas, xy, :smooth=>true, :fill=>color, + :width=>3, :tag=>'I14R_1') + @canvas.lower('I14R_1') + end + + def draw14a(side) + color = @C['14'] + xy = @canvas.coords("I14#{side}_0") + xy2 = @canvas.coords("I14#{side}_1") + x0, y0, x1, y1, x2, y2 = xy + x3, y3, x4, y4, x5, y5 = xy2 + + zz = [ + x0, y0, x0, y0, xy, x2, y2, x2, y2, + x3, y3, x3, y3, xy2, x5, y5, x5, y5 + ].flatten + @canvas.delete("I14#{side}") + TkcPolygon.new(@canvas, zz, :tag=>"I14#{side}", :smooth=>true, + :fill=>color, :outline=>color, :width=>3) + @canvas.lower("I14#{side}") + end + + def move14(step = nil) + step = get_step(14, step) + + # Paper going down + sc = 0.9 - 0.05*step + if sc < 0.3 + @canvas.delete('I14L') + return 0 + end + + ox, oy = @canvas.coords('I14L_0') + @canvas.scale('I14L_0', ox, oy, sc, sc) + ox, oy = @canvas.coords('I14L_1')[-2..-1] + @canvas.scale('I14L_1', ox, oy, sc, sc) + draw14a('L') + + # Paper going up + sc = 0.35 + 0.05*step + sc = 1/sc + + ox, oy = @canvas.coords('I14R_0') + @canvas.scale('I14R_0', ox, oy, sc, sc) + ox, oy = @canvas.coords('I14R_1')[-2..-1] + @canvas.scale('I14R_1', ox, oy, sc, sc) + draw14a('R') + + return((step == 10)? 3: 1) + end + + # Light beam + def draw15 + color = @C['15a'] + xy = [824, 599, 824, 585, 820, 585, 829, 585] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I15a') + xy = [789, 599, 836, 643] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>3) + xy = [778, 610, 788, 632] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>3) + xy = [766, 617, 776, 625] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>3) + + xy = [633, 600, 681, 640] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>3) + xy = [635, 567, 657, 599] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>2) + xy = [765, 557, 784, 583] + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>2) + + sine([658, 580, 765, 580], 3, 15, + :tag=>'I15_s', :fill=>@C['fg'], :width=>3) + end + + def move15a + color = @C['15b'] + @canvas.scale('I15a', 824, 599, 1, 0.3) # Button down + xy = [765, 621, 681, 621] + TkcLine.new(@canvas, xy, :dash=>'-', :width=>3, :fill=>color, :tag=>'I15') + end + + def move15(step = nil) + step = get_step(15, step) + + numsteps = 6 + + if step == numsteps + 2 + move_abs('I15_star', [-100, -100]) + return 2 + end + if step == 0 # Break the light beam + sparkle([-100, -100], 'I15_star') + xy = [765, 621, 745, 621] + @canvas.coords('I15', xy) + return 1 + end + x0, y0 = anchor('I15_s', :w) + x1, y1 = anchor('I15_s', :e) + x = x0 + (x1 - x0) * (step - 1) / numsteps.to_f + move_abs('I15_star', [x, y0]) + return 1 + end + + # Bell + def draw16 + color = @C['16'] + xy = [722, 485, 791, 556] + TkcRectangle.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], :width=>3) + xy = box(752, 515, 25) # Bell + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'black', + :tag=>'I16b', :width=>2) + xy = box(752, 515, 5) # Bell button + TkcOval.new(@canvas, xy, :fill=>'black', :outline=>'black', :tag=>'I16b') + + xy = [784, 523, 764, 549] # Clapper + TkcLine.new(@canvas, xy, :width=>3, :tag=>'I16c', :fill=>@C['fg']) + xy = box(784, 523, 4) + TkcOval.new(@canvas, xy, :fill=>@C['fg'], :outline=>@C['fg'], :tag=>'I16d') + end + + def move16(step = nil) + step = get_step(16, step) + + # Note: we never stop + ox, oy = [760, 553] + if (step & 1).nonzero? + beta = 12 + @canvas.move('I16b', 3, 0) + else + beta = -12 + @canvas.move('I16b', -3, 0) + end + rotate_item('I16c', ox, oy, beta) + rotate_item('I16d', ox, oy, beta) + + return ((step == 1)? 3: 1) + end + + # Cat + def draw17 + color = @C['17'] + + xy = [584, 556, 722, 556] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + xy = [584, 485, 722, 485] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3) + + xy = [664, 523, 717, 549] # Body + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :fill=>color, :width=>3, + :style=>:chord, :start=>128, :extent=>260, :tag=>'I17') + + xy = [709, 554, 690, 543] # Paw + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>color, + :width=>3, :tag=>'I17') + xy = [657, 544, 676, 555] + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :fill=>color, + :width=>3, :tag=>'I17') + + xy = box(660, 535, 15) # Lower face + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :style=>:arc, + :start=>150, :extent=>240, :tag=>'I17_') + TkcArc.new(@canvas, xy, :outline=>'', :fill=>color, :width=>1, + :style=>:chord, :start=>150, :extent=>240, :tag=>'I17_') + xy = [674, 529, 670, 513, 662, 521, 658, 521, 650, 513, 647, 529] # Ears + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + TkcPolygon.new(@canvas, xy, :fill=>color, :outline=>'', :width=>1, + :tag=>['I17_', 'I17_c']) + xy = [652, 542, 628, 539] # Whiskers + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + xy = [652, 543, 632, 545] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + xy = [652, 546, 632, 552] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + + xy = [668, 543, 687, 538] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, + :tag=>['I17_', 'I17_w']) + xy = [668, 544, 688, 546] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, + :tag=>['I17_', 'I17_w']) + xy = [668, 547, 688, 553] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, + :tag=>['I17_', 'I17_w']) + + xy = [649, 530, 654, 538, 659, 530] # Left eye + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, + :smooth=>true, :tag=>'I17') + xy = [671, 530, 666, 538, 661, 530] # Right eye + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, + :smooth=>true, :tag=>'I17') + xy = [655, 543, 660, 551, 665, 543] # Mouth + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, + :smooth=>true, :tag=>'I17') + end + + def move17(step = nil) + step = get_step(17, step) + + if step == 0 + @canvas.delete('I17') # Delete most of the cat + xy = [655, 543, 660, 535, 665, 543] # Mouth + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, + :smooth=>true, :tag=>'I17_') + xy = box(654, 530, 4) # Left eye + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :fill=>'', + :tag=>'I17_') + xy = box(666, 530, 4) # Right eye + TkcOval.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :fill=>'', + :tag=>'I17_') + + @canvas.move('I17_', 0, -20) # Move face up + xy = [652, 528, 652, 554] # Front leg + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + xy = [670, 528, 670, 554] # 2nd front leg + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + + xy = [ # Body + 675, 506, 694, 489, 715, 513, 715, 513, 715, 513, 716, 525, + 716, 525, 716, 525, 706, 530, 695, 530, 679, 535, 668, 527, + 668, 527, 668, 527, 675, 522, 676, 517, 677, 512 + ] + TkcPolygon.new(@canvas, xy, :fill=>@canvas.itemcget('I17_c', :fill), + :outline=>@C['fg'], :width=>3, :smooth=>true, + :tag=>'I17_') + xy = [716, 514, 716, 554] # Back leg + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + xy = [694, 532, 694, 554] # 2nd back leg + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I17_') + xy = [715, 514, 718, 506, 719, 495, 716, 488] # Tail + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, + :smooth=>true, :tag=>'I17_') + + @canvas.raise('I17w') # Make whiskers visible + @canvas.move('I17_', -5, 0) # Move away from the wall a bit + return 2 + end + return 0 + end + + # Sling shot + def draw18 + color = @C['18'] + xy = [721, 506, 627, 506] # Sling hold + TkcLine.new(@canvas, xy, :width=>4, :fill=>@C['fg'], :tag=>'I18') + + xy = [607, 500, 628, 513] # Sling rock + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'', :tag=>'I18a') + + xy = [526, 513, 606, 507, 494, 502] # Sling band + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>4, :tag=>'I18b') + xy = [485, 490, 510, 540, 510, 575, 510, 540, 535, 491] # Sling + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>6) + end + + def move18(step = nil) + step = get_step(18, step) + + pos = [ + [587, 506], [537, 506], [466, 506], [376, 506], [266, 506, :x], + [136, 506], [16, 506], [-100, -100] + ] + + b = [] + b[0] = [490, 502, 719, 507, 524, 512] # Band collapsing + b[1] = [ + 491, 503, 524, 557, 563, 505, 559, 496, 546, 506, 551, 525, + 553, 536, 538, 534, 532, 519, 529, 499 + ] + b[2] = [ + 491, 503, 508, 563, 542, 533, 551, 526, 561, 539, 549, 550, 530, 500 + ] + b[3] = [ + 491, 503, 508, 563, 530, 554, 541, 562, 525, 568, 519, 544, 530, 501 + ] + + return 0 if step >= pos.length + + if step == 0 + @canvas.delete('I18') + @canvas.itemconfigure('I18b', :smooth=>true) + end + if b[step] + @canvas.coords('I18b', b[step]) + end + + where = pos[step] + move_abs('I18a', where) + return 3 if where[2] == :x + return 1 + end + + # Water pipe + def draw19 + color = @C['19'] + xx = [[249, 181], [155, 118], [86, 55], [22, 0]] + xx.each{|x1, x2| + TkcRectangle.new(@canvas, x1, 453, x2, 467, + :fill=>color, :outline=>'', :tag=>'I19') + TkcLine.new(@canvas, x1, 453, x2, 453, + :fill=>@C['fg'], :width=>1) # Pipe top + TkcLine.new(@canvas, x1, 467, x2, 467, + :fill=>@C['fg'], :width=>1) # Pipe bottom + } + @canvas.raise('I11i') + + xy = box(168, 460, 16) # Bulge by the joint + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'') + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, :style=>:arc, + :start=>21, :extent=>136) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, :style=>:arc, + :start=>-21, :extent=>-130) + + xy = [249, 447, 255, 473] # First joint 26x6 + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + + xy = box(257, 433, 34) # Bend up + TkcArc.new(@canvas, xy, :outline=>'', :fill=>color, :width=>1, + :style=>:pie, :start=>0, :extent=>-91) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>0, :extent=>-90) + xy = box(257, 433, 20) + TkcArc.new(@canvas, xy, :outline=>'', :fill=>@C['bg'], :width=>1, + :style=>:pie, :start=>0, :extent=>-92) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>0, :extent=>-90) + xy = box(257, 421, 34) # Bend left + TkcArc.new(@canvas, xy, :outline=>'', :fill=>color, :width=>1, + :style=>:pie, :start=>0, :extent=>91) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>0, :extent=>90) + xy = box(257, 421, 20) + TkcArc.new(@canvas, xy, :outline=>'', :fill=>@C['bg'], :width=>1, + :style=>:pie, :start=>0, :extent=>90) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>0, :extent=>90) + xy = box(243, 421, 34) # Bend down + TkcArc.new(@canvas, xy, :outline=>'', :fill=>color, :width=>1, + :style=>:pie, :start=>90, :extent=>90) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>90, :extent=>90) + xy = box(243, 421, 20) + TkcArc.new(@canvas, xy, :outline=>'', :fill=>@C['bg'], :width=>1, + :style=>:pie, :start=>90, :extent=>90) + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>1, + :style=>:arc, :start=>90, :extent=>90) + + xy = [270, 427, 296, 433] # 2nd joint bottom + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + xy = [270, 421, 296, 427] # 2nd joint top + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + xy = [249, 382, 255, 408] # Third joint right + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + xy = [243, 382, 249, 408] # Third joint left + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + xy = [203, 420, 229, 426] # Last joint + TkcRectangle.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>1) + + xy = box(168, 460, 6) # Handle joint + TkcOval.new(@canvas, xy, :fill=>@C['fg'], :outline=>'', :tag=>'I19a') + xy = [168, 460, 168, 512] # Handle bar + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>5, :tag=>'I19b') + end + + def move19(step = nil) + step = get_step(19, step) + + angles = [30, 30, 30] + return 2 if step == angles.length + ox, oy = centroid('I19a') + rotate_item('I19b', ox, oy, angles[step]) + + return 1 + end + + # Water pouring + def draw20 + # do nothing + end + + def move20(step = nil) + step = get_step(20, step) + + pos = [451, 462, 473, 484, 496, 504, 513, 523, 532] + freq = [20, 40, 40, 40, 40, 40, 40, 40, 40] + pos = [ + [451, 20], [462, 40], [473, 40], [484, 40], [496, 40], + [504, 40], [513, 40], [523, 40], [532, 40, :x] + ] + return 0 if step >= pos.length + + @canvas.delete('I20') + where = pos[step] + y, f = where + h20(y, f) + return 3 if where[2] == :x + return 1 + end + + def h20(y, f) + color = @C['20'] + @canvas.delete('I20') + + sine([208, 428, 208, y], 4, f, :tag=>['I20', 'I20s'], + :width=>3, :fill=>color, :smooth=>true) + TkcLine.new(@canvas, @canvas.coords('I20s'), :width=>3, + :fill=>color, :smooth=>1, :tag=>['I20', 'I20a']) + TkcLine.new(@canvas, @canvas.coords('I20s'), :width=>3, + :fill=>color, :smooth=>1, :tag=>['I20', 'I20b']) + @canvas.move('I20a', 8, 0) + @canvas.move('I20b', 16, 0) + end + + # Bucket + def draw21 + color = @C['21'] + xy = [217, 451, 244, 490] # Right handle + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, :tag=>'I21_a') + xy = [201, 467, 182, 490] # Left handle + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, :tag=>'I21_a') + + xy = [245, 490, 237, 535] # Right side + xy2 = [189, 535, 181, 490] # Left side + TkcPolygon.new(@canvas, xy + xy2, :fill=>color, :outline=>'', + :tag=>['I21', 'I21f']) + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>2, :tag=>'I21') + TkcLine.new(@canvas, xy2, :fill=>@C['fg'], :width=>2, :tag=>'I21') + + xy = [182, 486, 244, 498] # Top + TkcOval.new(@canvas, xy, :fill=>color, :outline=>'', :width=>2, + :tag=>['I21', 'I21f']) + TkcOval.new(@canvas, xy, :fill=>'', :outline=>@C['fg'], :width=>2, + :tag=>['I21', 'I21t']) + xy = [189, 532, 237, 540] # Bottom + TkcOval.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], :width=>2, + :tag=>['I21', 'I21b']) + end + + def move21(step = nil) + step = get_step(21, step) + + numsteps = 30 + return 0 if step >= numsteps + + x1, y1, x2, y2 = @canvas.coords('I21b') + # lx1, ly1, lx2, ly2 = @canvas.coords('I21t') + lx1, ly1, lx2, ly2 = [183, 492, 243, 504] + + f = step / numsteps.to_f + y2 = y2 - 3 + xx1 = x1 + (lx1 - x1) * f + yy1 = y1 + (ly1 - y1) * f + xx2 = x2 + (lx2 - x2) * f + yy2 = y2 + (ly2 - y2) * f + + @canvas.itemconfigure('I21b', :fill=>@C['20']) + @canvas.delete('I21w') + TkcPolygon.new(@canvas, x2, y2, x1, y1, xx1, yy1, xx2, yy1, + :tag=>['I21', 'I21w'], :outline=>'', :fill=>@C['20']) + @canvas.lower('I21w', 'I21') + @canvas.raise('I21b') + @canvas.lower('I21f') + + return((step == numsteps - 1)? 3: 1) + end + + # Bucket drop + def draw22 + # do nothing + end + + def move22(step = nil) + step = get_step(22, step) + pos = [[213, 513], [213, 523], [213, 543, :x], [213, 583], [213, 593]] + + @canvas.itemconfigure('I21f', :fill=>@C['22']) if step == 0 + return 0 if step >= pos.length + where = pos[step] + move_abs('I21', where) + h20(where[1], 40) + @canvas.delete('I21_a') # Delete handles + + return 3 if where[2] == :x + return 1 + end + + # Blow dart + def draw23 + color = @C['23a'] + color2 = @C['23b'] + color3 = @C['23c'] + + xy = [185, 623, 253, 650] # Block + TkcRectangle.new(@canvas, xy, :fill=>'black', :outline=>@C['fg'], + :width=>2, :tag=>'I23a') + xy = [187, 592, 241, 623] # Balloon + TkcOval.new(@canvas, xy, :outline=>'', :fill=>color, :tag=>'I23b') + TkcArc.new(@canvas, xy, :outline=>@C['fg'], :width=>3, :tag=>'I23b', + :style=>:arc, :start=>12, :extent=>336) + xy = [239, 604, 258, 589, 258, 625, 239, 610] # Balloon nozzle + TkcPolygon.new(@canvas, xy, :outline=>'', :fill=>color, :tag=>'I23b') + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I23b') + + xy = [285, 611, 250, 603] # Dart body + TkcOval.new(@canvas, xy, :fill=>color2, :outline=>@C['fg'], + :width=>3, :tag=>'I23d') + xy = [249, 596, 249, 618, 264, 607, 249, 596] # Dart tail + TkcPolygon.new(@canvas, xy, :fill=>color3, :outline=>@C['fg'], + :width=>3, :tag=>'I23d') + xy = [249, 607, 268, 607] # Dart detail + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I23d') + xy = [285, 607, 305, 607] # Dart needle + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I23d') + end + + def move23(step = nil) + step = get_step(23, step) + + pos = [ + [277, 607], [287, 607], [307, 607, :x], [347, 607], [407, 607], + [487, 607], [587, 607], [687, 607], [787, 607], [-100, -100] + ] + + return 0 if step >= pos.length + if step <= 1 + ox, oy = anchor('I23a', :n) + @canvas.scale('I23b', ox, oy, 0.9, 0.5) + end + where = pos[step] + move_abs('I23d', where) + + return 3 if where[2] == :x + return 1 + end + + # Balloon + def draw24 + color = @C['24a'] + xy = [366, 518, 462, 665] # Balloon + TkcOval.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], + :width=>3, :tag=>'I24') + xy = [414, 666, 414, 729] # String + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :width=>3, :tag=>'I24') + xy = [410, 666, 404, 673, 422, 673, 418, 666] # Nozzle + TkcPolygon.new(@canvas, xy, :fill=>color, :outline=>@C['fg'], + :width=>3, :tag=>'I24') + + xy = [387, 567, 390, 549, 404, 542] # Reflections + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :smooth=>true, + :width=>2, :tag=>'I24') + xy = [395, 568, 399, 554, 413, 547] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :smooth=>true, + :width=>2, :tag=>'I24') + xy = [403, 570, 396, 555, 381, 553] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :smooth=>true, + :width=>2, :tag=>'I24') + xy = [408, 564, 402, 547, 386, 545] + TkcLine.new(@canvas, xy, :fill=>@C['fg'], :smooth=>true, + :width=>2, :tag=>'I24') + end + + def move24(step = nil) + step = get_step(24, step) + + return 0 if step > 4 + return 2 if step == 4 + + if step == 0 + @canvas.delete('I24') # Exploding balloon + xy = [ + 347, 465, 361, 557, 271, 503, 272, 503, 342, 574, 259, 594, + 259, 593, 362, 626, 320, 737, 320, 740, 398, 691, 436, 738, + 436, 739, 476, 679, 528, 701, 527, 702, 494, 627, 548, 613, + 548, 613, 480, 574, 577, 473, 577, 473, 474, 538, 445, 508, + 431, 441, 431, 440, 400, 502, 347, 465, 347, 465 + ] + TkcPolygon.new(@canvas, xy, :tag=>'I24', :fill=>@C['24b'], + :outline=>@C['24a'], :width=>10, :smooth=>true) + msg = Tk.subst(@S['message'].value) + TkcText.new(@canvas, centroid('I24'), :text=>msg, :tag=>['I24', 'I24t'], + :justify=>:center, :font=>['Times Roman', 18, :bold]) + return 1 + end + + @canvas.itemconfigure('I24t', :font=>['Times Roman', 18 + 6*step, :bold]) + @canvas.move('I24', 0, -60) + ox, oy = centroid('I24') + @canvas.scale('I24', ox, oy, 1.25, 1.25) + return 1 + end + + # Displaying the message + def move25(step = nil) + step = get_step(25, step) + + if step == 0 + @XY['25'] = Tk::Clock.clicks(:miliseconds) + return 1 + end + elapsed = Tk::Clock.clicks(:miliseconds) - @XY['25'] + return 1 if elapsed < 5000 + return 2 + end + + # Collapsing balloon + def move26(step = nil) + step = get_step(26, step) + + if step >= 3 + @canvas.delete('I24', 'I26') + TkcText.new(@canvas, 430, 735, :anchor=>:s, :tag=>'I26', + #:text=>'click to continue', + :text=>'クリックでリセットします', + :font=>['Times Roman', 20, :bold]) + @canvas.bind('1', proc{reset}) + return 4 + end + + ox, oy = centroid('I24') + @canvas.scale('I24', ox, oy, 0.8, 0.8) + @canvas.move('I24', 0, 60) + @canvas.itemconfigure('I24t', :font=>['Times Roman', 30 - 6*step, :bold]) + return 1 + end + + ################################################################ + # + # Helper functions + # + def box(x, y, r) + [x - r, y - r, x + r, y + r] + end + + def move_abs(item, xy) + x, y = xy + ox, oy = centroid(item) + dx = x - ox + dy = y - oy + @canvas.move(item, dx, dy) + end + + def rotate_item(item, ox, oy, beta) + xy = @canvas.coords(item) + xy2 = [] + 0.step(xy.length - 1, 2){|idx| + x, y = xy[idx, 2] + xy2.concat(rotate_c(x, y, ox, oy, beta)) + } + @canvas.coords(item, xy2) + end + + def rotate_c(x, y, ox, oy, beta) + # rotates vector (ox,oy)->(x,y) by beta degrees clockwise + + x -= ox # Shift to origin + y -= oy + + beta = beta * Math.atan(1) * 4 / 180.0 # Radians + xx = x * Math.cos(beta) - y * Math.sin(beta) # Rotate + yy = x * Math.sin(beta) + y * Math.cos(beta) + + xx += ox # Shift back + yy += oy + + [xx, yy] + end + + def reset + draw_all + @canvas.bind_remove('1') + @S['mode'].value = :MSTART + @S['active'] = [0] + end + + # Each Move## keeps its state info in STEP, this retrieves and increments it + def get_step(who, step) + if step + @STEP[who] = step + else + if !@STEP.exist?(who) || @STEP[who] == "" + @STEP[who] = 0 + else + @STEP[who] += 1 + end + end + @STEP[who] + end + + def reset_step + @S['cnt'].value = 0 + @STEP.keys.each{|k| @STEP[k] = ''} + end + + def sine(xy0, amp, freq, opts = {}) + x0, y0, x1, y1 = xy0 + step = 2 + xy = [] + if y0 == y1 # Horizontal + x0.step(x1, step){|x| + beta = (x - x0) * 2 * Math::PI / freq + y = y0 + amp * Math.sin(beta) + xy << x << y + } + else + y0.step(y1, step){|y| + beta = (y - y0) * 2 * Math::PI / freq + x = x0 + amp * Math.sin(beta) + xy << x << y + } + end + TkcLine.new(@canvas, xy, opts) + end + + def round_rect(xy, radius, opts={}) + x0, y0, x3, y3 = xy + r = @canvas.winfo_pixels(radius) + d = 2 * r + + # Make sure that the radius of the curve is less than 3/8 size of the box! + maxr = 0.75 + if d > maxr * (x3 - x0) + d = maxr * (x3 - x0) + end + if d > maxr * (y3 - y0) + d = maxr * (y3 - y0) + end + + x1 = x0 + d + x2 = x3 - d + y1 = y0 + d + y2 = y3 - d + + xy = [x0, y0, x1, y0, x2, y0, x3, y0, x3, y1, x3, y2] + xy.concat([x3, y3, x2, y3, x1, y3, x0, y3, x0, y2, x0, y1]) + return xy + end + + def round_poly(canv, xy, radii, opts) + lenXY = xy.length + lenR = radii.length + if lenXY != 2*lenR + raise "wrong number of vertices and radii" + end + + knots = [] + x0 = xy[-2]; y0 = xy[-1] + x1 = xy[0]; y1 = xy[1] + xy << xy[0] << xy[1] + + 0.step(lenXY - 1, 2){|i| + radius = radii[i/2] + r = canv.winfo_pixels(radius) + + x2 = xy[i+2]; y2 = xy[i+3] + z = _round_poly2(x0, y0, x1, y1, x2, y2, r) + knots.concat(z) + + x0 = x1; y0 = y1 + x1 = x2; y1 = y2 + } + TkcPolygon.new(canv, knots, {:smooth=>true}.update(opts)) + end + + def _round_poly2(x0, y0, x1, y1, x2, y2, radius) + d = 2 * radius + maxr = 0.75 + + v1x = x0 - x1 + v1y = y0 - y1 + v2x = x2 - x1 + v2y = y2 - y1 + + vlen1 = Math.sqrt(v1x*v1x + v1y*v1y) + vlen2 = Math.sqrt(v2x*v2x + v2y*v2y) + + if d > maxr * vlen1 + d = maxr * vlen1 + end + if d > maxr * vlen2 + d = maxr * vlen2 + end + + xy = [] + xy << (x1 + d * v1x / vlen1) << (y1 + d * v1y / vlen1) + xy << x1 << y1 + xy << (x1 + d * v2x / vlen2) << (y1 + d * v2y / vlen2) + + return xy + end + + def sparkle(oxy, tag) + xy = [ + [299, 283], [298, 302], [295, 314], [271, 331], + [239, 310], [242, 292], [256, 274], [281, 273] + ] + xy.each{|x, y| + TkcLine.new(@canvas, 271, 304, x, y, + :fill=>'white', :width=>3, :tag=>tag) + } + move_abs(tag, oxy) + end + + def centroid(item) + anchor(item, :c) + end + + def anchor(item, where) + x1, y1, x2, y2 = @canvas.bbox(item) + case(where) + when :n + y = y1 + when :s + y = y2 + else + y = (y1 + y2) / 2.0 + end + case(where) + when :w + x = x1 + when :e + x = x2 + else + x = (x1 + x2) / 2.0 + end + return [x, y] + end +end + +TkGoldberg_Demo.new(base_frame) -- cgit v1.2.3