What is the best method for generating individual, randomized triangles?

Check out this script for creating triangles

Here's what happens with this script on every frame:

  • Retrieve the slider value
  • If the slider value changes, dynamically adjust the sizes of Float32Array arrays for vertices and colors
  • Iterate through a loop to add new triangles to the arrays, each with random X, Y, RGB, and alpha values
  • Utilize gl.drawArrays to render the arrays onto the screen

I'm facing an issue where the framerate drops significantly when I exceed 800 triangles. Is there any way to optimize the performance?

View the source code here

javascriptwebgl

Answer №1

Consider utilizing glBufferSubData instead of glBufferData for improved performance. Using glBufferData creates a new buffer allocation each time it is called, which can negatively impact performance. Making this switch should result in a noticeable performance improvement.

Answer №2

Ensure that the variables you use are kept as local as possible to prevent them from being continually referenced and taking up memory. Remember, global variables are not cleared by the garbage collector throughout the lifespan of your page.

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