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Discussion on: WebGL point sprites, a tutorial

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samthor profile image
Sam Thorogood Author

So the buffer is new Float32Array(1000);, it actually takes 1000 floats.

But since it's used to provide a vec2, an x,y vector, then it supports 500 sprites.

The "500" is just a random number. The demo will fail if you try to add more than 500 images. If you wanted to support any number of sprites, you'd have to create a new, larger array when the original ran out of space.

Also, thanks, I'm glad you enjoyed the article!

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pinacolada profile image
Pina Colada

Understood. Thank you this explanation.