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Behavior Power Blender

Added on 7/14/1999

 

Compatibilities:
behavior D7 D8 Mac PC

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Author: BrianCassell

Blends sprite from 0 to 100% incrementally when mouse enters. Blends from current blend to 0 incrementally when mouse leaves.

--PowerBlender
--1999 Brian Cassell

-----------------------------------
--Description
-----------------------------------

on getBehaviorDescription me
  return
"PowerBlender Behavior"&RETURN&
"1999 Brian Cassell, iXL (a cog in the machine)"&RETURN&RETURN&
"Blends sprite from 0 to 100 when mouse enters. Blends from current blend to 0 when mouse leaves."&RETURN&&RETURN&
"PARAMETERS:"&RETURN&
"*Sprite to fade:"&RETURN&
" The channel number of the sprite to fade. Default value is the sprite that the behavior is attached to."&RETURN&
" Can be attached to QuickDraw or other "trigger" sprites to affect a different sprite."&RETURN&
" Can attach the behavior multiple times to the same "trigger" sprite to affect multiple sprites."&RETURN&RETURN&
"*Blending speed:"&RETURN&
" Possible values are 10, 20, 50,100. Higher numbers indicate faster blends with fewer steps."
end

-----------------------------------
--Notes
-----------------------------------

--Written May, 24 1999
--The sprite to blend targeted by the "sprite to fade:" slider will have an initial blend value of 0
--regardless of the setting in the score window. The sprite will not flash as the value is set before
--the sprite is drawn to the stage during playback.

--Try appling the behavior multiple times to affect a number of sprites. You can change the speed
--on each one for some cool effects.

--Speed is a function of the FRAME RATE and the number you select in the "blending speed" dialouge.

-----------------------------------
--Properties
-----------------------------------

property spriteNum    --holds the number of the trigger sprite
property mySprite     --holds the number of the sprite to blend
property speed        --holds the blend percentage increments
property over         --flag for mouseOver, mouseLeave detection

-----------------------------------
--Event Handlers
-----------------------------------

on beginSprite me
  sprite(mySprite).blend = 0
end

on mouseEnter me
  set over = 1
end

on mouseLeave me
  set over = 0
end

on exitFrame me
  case over of
    1:blendUp
    0: blendDown
  end case
  
  -----------------------------------
  --Custom Handlers
  -----------------------------------
  
on blendDown
  if sprite(mySprite).blend > 0 then
    sprite(mySprite).blend = (sprite(mySprite).blend - speed)
  end if
end

on blendUp
  if sprite(mySprite).blend < 100 then
    sprite(mySprite).blend = (sprite(mySprite).blend + speed)
  end if
end

-----------------------------------
--Parameters
-----------------------------------

on getPropertyDescriptionList me
  set p_list = [ #mySprite:   [#comment:"Sprite to fade:", #format:#integer, #range: [#min:1, #max: 120], #default: the currentSpriteNum],
                 #speed:      [#comment:"Blending speed:", #format:#integer, #range: [10,20,50,100], #default:10]]
  return p_list
end

 


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