what's the best way to play an animation and do something?

alexzheng · February 2012

what's the best to play an animation and do some action at a specified frame?
I think the MovieClip would be the first choice if it support dispatch an event and specified frame.
And the second choice is using the Bird Animation example,but I worry about the speed.
any other choice?

GregBUG · February 2012

for me the best choice is movieclip (for efficent execution code)
but (for now i hope) movieclip is not timebased... (it's frame based)
and your animation will not be the same on different device speed

alexzheng · February 2012

yes,I can not agree more!
But I will never consider to use movieclip until it support event dispatch.
For example,I can not remove the movieclip from parent after the end of animation.

H4ch1 · February 2012

I actually made an animation class that works exactly like in C*SDK, although it lets you choose all the frame you want without the need for them to be consecutive.
So yeah, you can know at what frame the animation is and do something, or if the animation has ended.
But at the moment it's available only through my Runner template (it's in the Game & Application design section of the forum). I will release it for free sooner or later, but at the moment I feel it wouldn't be right to those who just bought it (;
Just to say that with a bit of patience, you can code one yourself without problems, and performance are pretty great (although a native implementation would be better, indeed).

GregBUG · February 2012

@h4ch1
Yes i agree with you, i also written a class for animation, but for Now i can't include in my particles engine to avoid Excessive overload.

alexzheng · February 2012

yes，we can code our custom animation class easily，but I still love the official native version.
@atilim, will we have this feature soon?

atilim · February 2012

@alexzheng Yes, event dispatching and time based animation will be available at 2012.2.1 or 2012.2.2.

alexzheng · February 2012

and another suggestion:add frame to MC dynamically.

atilim · February 2012

Hi,

I've already added Event.COMPLETE to MovieClip. At least this feature will be available with the next version.

and another suggestion:add frame to MC dynamically.

hmm.. This totally ruins the internal structure of MC. I may not be add this feature.

alexzheng · February 2012

hi
I means replace
local mc = MovieClip.new{
{1, 1, frame1},
{2, 2, frame2},
{3, 3, frame3},
{4, 4, frame4},
{5, 5, frame5},
{6, 6, frame6},
}
with
local mc = MovieClip.new()
mc:addFrame(1,1, frame1)
mc:addFrame(2,2, frame2)
......
So we can create the mc in a loop and not have to write much code for each frame.

atilim · February 2012

Also you can create the array you passed in with a loop

local frames = {}
frames[#frames + 1] = {1, 1, frame1}
frames[#frames + 1] = {2, 2, frame2}
local mc = MovieClip.new(frames)

I know your way is easier but adding frames on demand is not very easy.

alexzheng · February 2012

yes, good idea,thanks!

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