Orbiter

Added on 6/7/1999

Compatibilities:
behavior D6_5 Mac

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The Orbital Behavor as hacked by Renfield ren@core-ad.co.jp with respect to flat earth communications

property spriteNum
property orbitSpeed, originH, originV, radiusH, radiusV, originType, originSprite

--======  The Set Up:

on idle me
  checkOrigin me
  orbit me
  updateStage
end

on exitFrame me
  checkOrigin me
  orbit me
end

--======  Making Biscuits:

on checkOrigin me
  case (originType) of
    "mouse": mouseOrigin me
    "sprite": spriteOrigin me
  end case
end

on mouseOrigin me
  set originH = the mouseh
  set originV = the mousev
end

on spriteOrigin
  set originH = the loch of sprite originSprite
  set originV = the locv of sprite originSprite
end

on orbit me
  set counter to the ticks
  set the loch of sprite spriteNum  = originH + radiusH * cos(counter/orbitSpeed)
  set the locv of sprite spriteNum  = originV +radiusV * sin(counter/orbitSpeed)
end

--======  Behavior Handlers:

on getPropertyDescriptionList me
  set theProps to [:]

  set c to "What"s the orbit speed?"
  set f to #float
  set d to 50.00
  addProp theProps, #orbitSpeed, [#comment: c, #format: f, #default: d]

  set c to "What"s the origin?"
  set f to #string
  set r to ["point", "mouse", "sprite"]
  set d to getAt(r,1)
  set typeProps to [#comment: c, #format: f, #range: r, #default: d]
  addProp theProps, #originType, typeProps

  set c to "If origin is a sprite, who?"
  set f to #integer
  set d to 1
  addProp theProps, #originSprite, [#comment: c, #format: f, #default: d]

  set c to "If origin is a point, what"s H?"
  set f to #integer
  set d to 100
  addProp theProps, #originH, [#comment: c, #format: f, #default: d]

  set c to "if origin is a point,what"s V?"
  set f to #integer
  set d to 100
  addProp theProps, #originV, [#comment: c, #format: f, #default: d]


  set c to "What"s the H radius?"
  set f to #integer
  set d to 30
  addProp theProps, #radiusH, [#comment: c, #format: f, #default: d]

  set c to "What"s the V radius?"
  set f to #integer
  set d to 30
  addProp theProps, #radiusV, [#comment: c, #format: f, #default: d]

  return theProps
end

on getBehaviorDescription me
  set line1 to " Make an orbiter" & RETURN
  return line1
end

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