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HIGH PERFORMANCE
WEBGL
what I learned doing WebGL…
FEBRUARY 21TH, 2018
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@luruke
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EPIC is a digital agency made of passion
and creativity.
We dedicate ourselves to crafting awesome
and eye-catching digital experiences that
change the way your brand connects with your
clients.
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HTTPS://GITHUB.COM/LURUKE/DEV-EXCUSES-CHROME
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WE ARE EPIC
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WE ARE EPIC
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JUST A RASTERIZATION ENGINE!
UEBBGL?
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WEBGL IS NOT 3D
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HTTPS://NICKDESAULNIERS.GITHUB.IO/RAWWEBGL/
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HTTPS://WWW.KHRONOS.ORG/API/OPENGLES/2_X
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HTTPS://SIMONSCHREIBT.DE/GAT/RENDERHELL/
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• Three.js (react-vr, a-frame…)
• Babylon.js
• PixiJS (2d only… for now)
• Nanogl
• Regl
• …
• Vanilla WebGL (if you are brave enough)
Most used WebGL framework
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WHAT I LEARNED
After many headaches.
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IN THE DETAIL…
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DELIVERY DAY
- Promotional game
- Mobile first
- Easy to play - “on the go”
- Support 2-3y old phones
- Multiplatform (+60 device tested)
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CONCEPT
1.0
Make sure you know what you are doing!
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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BLENDER
- Great for prototyping
- Open Source
- Three.js exporter
- All-in-one solution (modelling + texturing + sculpturing…)
1.1
Is not just for 3D artist!
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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LOGIC + RENDER
1.2
Divide et impera
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• Just logic!
• Expose the “info” (score, parcels, …)
• Event based
• Unit tested (well…partially)
• Rendering independent (css, terminal, canvas, webgl….)
Game engine
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• Passive - read info from game engine
• Handles interaction (touch, click, gyroscope…)
• Can just send events
• Full WebGL (but we also won CSSDesignAward…)
• Three.js + PixiJS
Rendering
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16.6MS
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>
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WEBGL AND HTML?
1.3
Sometimes are not good friends
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WE ARE EPIC
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CPU & GPU
1.4
Less they talk each other, the better
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HTTPS://SIMONSCHREIBT.DE/GAT/RENDERHELL/
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WE ARE EPIC
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WE ARE EPIC
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TEXTURES = DATA
1.5
Textures are more than an image
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HTTPS://WWW.PATREON.COM/MINIONSART
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HTTPS://WWW.PATREON.COM/MINIONSART
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HTTPS://WWW.PATREON.COM/MINIONSART
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HTTPS://WWW.PATREON.COM/MINIONSART
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HTTPS://WWW.PATREON.COM/MINIONSART
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WE ARE EPIC
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HTTPS://GITHUB.COM/SPITE/THREE.FBOHELPER
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WE ARE EPIC
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WE ARE EPIC
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1.6
“With Great Power Comes Great Responsibility”
FORCE GPU UPLOAD
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HTTP://GLUMPY.READTHEDOCS.IO/
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WE ARE EPIC
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OBJECT POOLING
1.7
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MULTIPLATFORM WEBGL
1.8
Make WebGL run (almost) everywhere
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WE ARE EPIC
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WE ARE EPIC
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I NEED MORE POWER!
1.9
Do you?
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DEBUGGING IS HARD
2.0
But not impossible
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WE ARE EPIC
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HOW TO START?
2.1
The hard way
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• How Computer Graphic works
• How 3D works (math, vectors, light, matrix…)
• How WebGL/OpenGL works
• Write tons of Shaders
• Success
Learn WebGL like a BOSS:
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WE ARE EPIC
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WE ARE EPIC
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WE ARE EPIC
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Thank you!
YOU GOT QUESTIONS?
@luruke
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Thank you!
YOU GOT QUESTIONS?
@luruke
HTTP://SOLVERSGB.UPS.COM/DELIVERY-DAY/