Point as texture with depth test enabled

Hi everybody,

I’m trying to create a grid of points as textures following the pointAsTexture Example in the examples/gl folder.

I need alpha blending and depth test enalbed to place background points behind foreground points. As I enable the depth test (in the OF example is disabled) I get this error (texture is a png with alpha channel). Depending on the degree of rotation, the alpa channel turn to black.

point as texture error967×516 140 KB

I read that I should sort my vertices/points on their distance from the camera, but I get no advantage.

I created a small example where you can rotate the grid by moving the mouse on the X axe and change some other viewing parameters.

pointsAsTexturesDepthTest.zip

I hope this colud be usefull. Thanks!!!

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