new example: interactivity

akkartik

Nov 22, 2023, 6:04 AM

NV4WC3K4KQMF4NSGAKJG7JMN3WNDWPIA7NVYVZUOWFUKZ4562UEQC

Dependencies

• [2] T7QIIGQ6 attempt at better error recovery
• [3] RK2ASPN7 add lots of buttons to the toolbar
• [4] J6O7HP7J new example: draw and update callbacks
• [5] OOSUBWKX subject people to a tutorial
• [*] LRDM35CE app running again

Change contents

• edit in live.lua at line 385
  [7.9940]

  [2.1270]
  + love.graphics.setCanvas() -- undo any canvas we happened to be within, otherwise LÖVE seizes up
• replacement in 0078-Example_panes at line 43
  [4.67]→[4.67:172](∅→∅)
  − '-- For animations and interactivity, you can define various functions that will get called for you.',
  [4.67]

  [4.172]
  + '-- For animations, you can define various functions that will get called for you.',
• replacement in 0078-Example_panes at line 45
  [4.225]→[4.225:418](∅→∅)
  − '-- for example, love.draw, love.update, love.keypressed, etc.',

  − "-- You can't define those directly because Carousel Shell needs to define them, but you can define your own under car.*,",
  [4.225]

  [4.418]
  + '-- for example, love.draw, love.update, etc.',

  + "-- You can't define those directly because Carousel Shell needs to define them for its UI, but you can define your own under car.*,",
• edit in 0078-Example_panes at line 57
  [4.743]

  [4.743]
  + 'end',

  + },

  + {

  + '-- For interactivity, LÖVE provides functions like love.keypressed, love.mousepressed, etc.',

  + '-- As before, define the corresponding car.keypressed, car.mousepressed, etc.',

  + "-- A pane's interactive events only activate when the editor is hidden using the 'hide' button above.",

  + "-- Try running this example and then pressing and holding the mouse and pressing and releasing keys.",

  + '-- Then try hiding the editor and again pressing and holding the mouse and pressing and releasing keys',

  + 'X, Y, dX = 100, 0, 10',

  + "Log = ''",

  + '',

  + 'function car.draw()',

  + ' love.graphics.line(X,Y, X,Y+300)',

  + ' love.graphics.print(Log, 50,50)',

  + 'end',

  + '',

  + 'function car.update(dt)',

  + ' if X > 500 then dX = -dX end',

  + ' if X < 100 then dX = -dX end',

  + ' X = X+dX',
• edit in 0078-Example_panes at line 78
  [4.752]

  [5.1206]
  + '',

  + 'function car.mousepressed(x,y, button)',

  + ' Y = y',

  + 'end',

  + '',

  + 'function car.mousereleased(x,y, button)',

  + ' Y = 0',

  + 'end',

  + '',

  + 'function car.keypressed(key)',

  + ' Log = Log..key',

  + 'end',
• edit in 0060-next_pane_button at line 8
  [3.6572]

  [3.6572]
  + Current_pane.car = car
• edit in 0060-next_pane_button at line 11
  [3.6661]

  [3.6661]
  + car = Current_pane.car or {}
• edit in 0059-previous_pane_button at line 8
  [3.7115]

  [3.7115]
  + Current_pane.car = car
• edit in 0059-previous_pane_button at line 11
  [3.7204]

  [3.7204]
  + car = Current_pane.car or {}