New AWMotionStreak. 10x faster, one draw call, no artifacts

cocos2d for iPhone » Programming » cocos2d 3rd party extensions

New AWMotionStreak. 10x faster, one draw call, no artifacts

(114 posts) (47 voices)

Started 1 year ago by manucorporat
Latest reply from riq

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manucorporat
Member

Hi,
Here's the new CCMotionStreak (currently named "AWMotionStreak").

What's new?
It isn't a redesigned CCMotionStreak, AWMotionStreak was started from a blank file.

- Only one opengl draw call (the current CCMotionStreak has as draw calls as polygons in the ribbon.
- 10 times faster vertex calculation.
- No artifacts.

How it works?
-1. Dynamic generated array with points.
-2. awVertexLinesToPolygons() converts these (CGPoint) points into a polygon with line form.
-3. Draw call

Infinity Field screenshot with new AWMotionStreak:

Soon in the official cocos2d repository.

Posted 1 year ago #
lws
Member

Very nice indeed!

Posted 1 year ago #
jd
Member

Amazing...as usual.

Posted 1 year ago #
itlgames
Moderator

Well, amazing!! and just perfect timing, when I was about to use the CCMotionStreak! Thanks manu.

Posted 1 year ago #
manucorporat
Member

Thank you,
Currently AWMotionStreak spends a lot of resources (CPU and GPU) but the new AWMotionStreak is super fast, your FPS won't drop.

Posted 1 year ago #
itlgames
Moderator

Can't wait to try the new one then!

Posted 1 year ago #
MikeSz
Member

Hmmm that's becoming some rule of thumb - if Manu stays quiet on the forum for more than few weeks, then he's gonna jump out with something absolutely awesome. And the again. And again. And again. You never stop to amaze me

* Scratching head thinking where to use the new feature...

Posted 1 year ago #
ruben301
Member

Thank you manu! This is exactly what i need. Great work.

Posted 1 year ago #
riq
Key Master

Nice work Manu!

Posted 1 year ago #
mobilebros
Moderator

Wow! This is just great! Seems like it could be used for plain old anti-aliased lines as well!

Posted 1 year ago #
cocos
Member

Impressive is the understatement!

Posted 1 year ago #
finder39
Member

looks sick!

Posted 1 year ago #
Pearapps
Member

Can you show us some API examples

Posted 1 year ago #

manucorporat
Member

@MikeSz :D

Thank you guys,
In addition with awVertexLinesToPolygons() you can create any textured line:
- Laser
- Borderes
- Electric effects

API:

void awVertexLinesToPolygons(CGPoint *points, float stroke, ccVertex2F *vertices, ccTex2F *texCoords, unsigned int offset, unsigned int nuPoints);

Example usage:

// Generate points (simple line)
    NSUInteger nuPoints = 5;
    CGPoint lines[5] = {
        {10,20},
        {50,20},
        {20,-20},
        {100,30},
        {90,90}
    };
    ccVertex2F vertices[nuPoints*2];
    ccTex2F texCoords[nuPoints*2];

    // Generate Polygon
    awVertexLinesToPolygons(lines, 10, vertices, texCoords, 0, nuPoints);

    // Draw code
	glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
	glVertexPointer(2, GL_FLOAT, 0, vertices);
        glDrawArrays(GL_TRIANGLE_STRIP, 0, nuPoints*2);

Posted 1 year ago #

Pearapps
Member

Woah thats awesome. I could see that being very useful. Thanks Manu!

Posted 1 year ago #
XyrisKenn2
Member

Wow, that looks cool, and I'm eager to try it out. Nice work Manu.

Posted 1 year ago #
Shogan
Member

Wow, very nice! Can you let us know when it is up in the repository? :)

Posted 1 year ago #
yeti
Member

Now this sounds promising! Thanks Manu!

Posted 1 year ago #
zzt4
Member

Drooling... just waiting to get my hands on this...

Posted 1 year ago #
demione
Member

Beautiful. Thank you.

Posted 1 year ago #
finder39
Member

want to play.....when? :)

Posted 1 year ago #
manucorporat
Member

@finder39
Soon, currently the new AWMotionStreak has got many dependencies with a library of advance functions called "AWSuite" developed for Infinity Field.

Posted 1 year ago #
sndwav
Member

AWesoMe!

Posted 1 year ago #
finder39
Member

That sounds awesome!! I would love to either implement it into Trackpad Magic/Trackpad Magic Mobile. :)

Posted 1 year ago #
MikeSz
Member

Out of curiosity - what other gems do you have in the AWSuite ?

Posted 1 year ago #
abitofcode
Moderator

Magic! It's been a good week for things to cross off the cocos2d wish list :D

edit: This is as far as I got

Get the Flash Video

Posted 1 year ago #
manucorporat
Member

@MikeSz
AWSuite features:
- AWVertexes: Advanced vertex algorithms
- AWNet: Gamekit wrapper
- AWUI: Like UIKit but in Opengl (AWUISegmentSelect, AWUISwitch, AWUISlide)
- AWStick: High performance stick but a lot of configurations
- AWLabelExtensions: CCLabel with glow...
- AWTrackpad: Using multitouch trackpad to control twin stick games.
- AWProgress

Posted 1 year ago #
MikeSz
Member

:D I've seen part of the AWUI (CCNotification, right ?)

Any plans to publish the other ones ?

I'm in awe, really

Posted 1 year ago #
manucorporat
Member

@abitofcode
How do you render these trails? Render texture, polygons?

Posted 1 year ago #
abitofcode
Moderator

I build a GL_TRIANGLE_STRIP in a PenTool that clears itself when it gets too heavy. Just before the clear it calls out to a delegate which would typically flatten it down using a RenderTexture. It's another unfinished work in progress, the problem I was working on involved being able to Undo/Redo the drawing.

Looking forward to seeing your implementation :)

Posted 1 year ago #

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