Adding live demos on the Wiki

hgy29 · December 2019

Hi All,

I added a way to embed a gideros player on the wiki and auto load sample code.
See here: https://wiki.giderosmobile.com/index.php/Hgy29_SandBox

You just need to upload a GApp file (exportable from Gideros Studio), and add a special markup to the wiki:

{{#widget:GApp|app=MySample.gapp|width=480|height=320}}

Useful for demos, and maybe full playable games!

SinisterSoft · December 2019

Great idea.

keszegh · December 2019

in my firefox the page just runs the first example.

hgy29 · December 2019

you were too fast, it made a typo in the link. fixed now.

oleg · December 2019

@hgy29 Why are examples loading so long in the browser?, How to accelerate them?

hgy29 · December 2019

They load in just a few seconds here, maybe a bit longer the first time (when they aren’t in cache yet)

antix · December 2019

If these are going to be embedded inside the actual API documentation them I'm totally against it. Whilst they are very cool, they do make the entire process slower.

If they are just going to be links, then that's all good by me

hgy29 · December 2019

I think the api itself shouldn’t have them, but they can be useful for guides, demos or tutorials. Anyhow they are just tiny tags within the wiki text, if that’s your concern, and they don’t block the page loading.

oleg · December 2019

hgy29 said:
They load in just a few seconds here, maybe a bit longer the first time (when they aren’t in cache yet)

I measured the time with a stopwatch
Cached items - loaded for 19 seconds - is too long

SinisterSoft · December 2019

Both within 7 seconds here (cached) on a fairly slow internet connection.

hgy29 · December 2019

oleg said:
@hgy29 Why are examples loading so long in the browser?, How to accelerate them?

Actually there can be various reasons:
1) It is a super powered player with all plugins included: slower to load and initialize. It should be possible to mod the code to be able to pass a list of used plugins instead.
2) I put two players on the same page, and they load in parallel: obviously it doubles CPU requirements. Minimal loading with a 'play' button to launch the code would be good!
3) It is of course dependant on your machine horsepower: my development computer is a quite decent one (although already a few years old), with a Core i7 4C8T @3.6GHz with 16GB of RAM. The whole page loads in 3-5s with assets cached, and 6-9s without cache.

Edit: with a single player on the page, it takes just 2s to load (cached) on my pc, so it mostly comes down to CPU requirements in the end

oleg · December 2019

SinisterSoft said:
Both within 7 seconds here (cached) on a fairly slow internet connection.

hgy29 said:

oleg said:
@hgy29 Why are examples loading so long in the browser?, How to accelerate them?
Actually there can be various reasons:
1) It is a super powered player with all plugins included: slower to load and initialize. It should be possible to mod the code to be able to pass a list of used plugins instead.
2) I put two players on the same page, and they load in parallel: obviously it doubles CPU requirements. Minimal loading with a 'play' button to launch the code would be good!
3) It is of course dependant on your machine horsepower: my development computer is a quite decent one (although already a few years old), with a Core i7 4C8T @3.6GHz with 16GB of RAM. The whole page loads in 3-5s with assets cached, and 6-9s without cache.

Edit: with a single player on the page, it takes just 2s to load (cached) on my pc, so it mostly comes down to CPU requirements in the end

I have a weak computer, but games created in unity load much faster ..

hgy29 · December 2019

I thought unity was using a plugin (not html). This is why they are in trouble with pure web games and had to launch Unity Tiny (which isn't working well yet from what I heard).

antix · December 2019

@hgy29, great, I think it would be bad to slowdown the wiki experience more than it already is.

But really... who gives a toss about unity?

hgy29 · December 2019

I just added auto load option (defaults to off), and plugin specification. That should speed up page loading a bit

oleg · December 2019

hgy29 said:
I just added auto load option (defaults to off), and plugin specification. That should speed up page loading a bit

Now loads in 2 seconds

keszegh · December 2019

it's much faster. i also prefer to have the play button, and before you press it, it should not load anything. it's just distracting that everything moves around immediately, the same thing as with animgifs and autoplaying videos on homepages.

oleg · December 2019

@hgy29 I noticed that in the first example - the shadow works incorrectly, it should be blurred when the object is far from the surface, and become clearer as the object approaches the surface

SinisterSoft · December 2019

@hgy29 Loads really fast now...

@keszegh it defaults to autoplay being off.

@oleg Yes, shadow alpha should be changed depending on distance

hgy29 · December 2019

oleg said:
@hgy29 I noticed that in the first example - the shadow works incorrectly, it should be blurred when the object is far from the surface, and become clearer as the object approaches the surface

It works correctly (I mean it work as expected the way I wrote it), but my depth texture is too small (1024x1024) to cover the entire region with enough precision.

SinisterSoft · December 2019

Is the depth texture 1 bit? If not then could the distance not be stored so that the alpha can change - making the shadow fade as it gets further away?

hgy29 · December 2019

The depth texture stores scene distance from the light perspective, to be compared with each scene object from the camera perspective. if the pixel rendered from the camera perspective is farther from the light than what the depth texture recorded, then it is obscured by some other object, that is in shadow. I never seen the distance (from the obscuring object) being taken into consideration in any tutorial I read about shadow mapping, but that could be done I think.

SinisterSoft · December 2019

If this happens and shadows overlap then the distance for each could be mixed together to make a darker shadow.

hgy29 · December 2019

Shadows can't overlap for a single light source

SinisterSoft · December 2019

Ahh, yes - unless you are on the moon.

https://www.express.co.uk/news/science/1152359/Moon-landing-conspiracy-shadow-on-Moon-NASA-hoax-Apollo-11-fake-footage

oleg · December 2019

hgy29 said:
I never seen the distance (from the obscuring object) being taken into consideration in any tutorial I read about shadow mapping, but that could be done I think.

https://en.wikipedia.org/wiki/Ambient_occlusion

hgy29 · December 2019

Ambient occlusion isn't really the same as shadows, anyway I'll look at it, it is an interesting subject.

oleg · December 2019

SinisterSoft said:
Is the depth texture 1 bit? If not then could the distance not be stored so that the alpha can change - making the shadow fade as it gets further away?

In addition to changing the transparency, the shadow should be blurred - when the object is long Distance from the surface

oleg · December 2019

hgy29 said:
Ambient occlusion isn't really the same as shadows, anyway I'll look at it, it is an interesting subject.

You can just shorten the path and create an occlusion simulation by changing the transparency and blurry shadows

hgy29 · December 2019

The difficult thing is to create that occlusion map (your first image)

oleg · December 2019

hgy29 said:
The difficult thing is to create that occlusion map (your first image)

The occlusion map is baked into the textures of the object when modeling, you do not need to model it separately, but the incident shadow from the object does not take into account the occlusion - you just need to blur the incident shadow on the distant objects

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