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### #ActualTordin

Posted 02 November 2012 - 09:37 AM

Generally unsure of myself? 15 years rusty?

And it would take Spiro 2 days and it would take me 2 months?

Who is Spiro trying to impress? A group of anonymous computer nerds?

FYI I've programmed OpenGL every day for the past 15 years, and patented my own rendering system in the process. My own product already served as a rapid prototyping tool and I solved their actual problem in my first few hours.

It just happens they want the source code (a license of which I sell for $250K). I'm just pointing out that people don't usually write rendering engines from scratch anymore (the one I wrote in 1997 is still working fine thank you), and if someone tells you they can write a rendering engine from scratch in 2 days they are lying. So by reading your first post, this is my toutghs : - "It's been a while since I wrote one from the ground up (15 years or so), in fact it seems hardly anything in graphics is written from scratch these days. The pay is great so I don't have a problem doing it, but am at a loss for an estimate and wanted to get a consensus from those with experience." Here you state it was a long time you wrote it from the ground and up. (by just sligtly reading, this is easy read as "i havent done it in 15 years" ) And to add the title states, "Time to write rendering engine from the scratch", this adds more to the idea that you havent done it in a while. - "How long would you estimate it would take to write an OpenGL program that can load say OBJ files and render models without fancy shaders?" This gets me to think, you are asking for advice out from experienced developers to get some estimate on how long this task would take, because you sound like a rookie on the sentence befor. ( you might not be a rookie ) - "Who is Spiro trying to impress? A group of anonymous computer nerds?" I belive none, in fact, i think you got this on the wrong hand. as we got your "Question" on the wrong hand aswell. If you have been writing OpenGL for 15 years, the you would be pretty sure of how long it would take you to develop that stuff, due to the fact that you know the problems, the issues, and the solutions for it. and you would allso give an planned approach and estimate upon that. ### #1Tordin Posted 02 November 2012 - 09:36 AM Generally unsure of myself? 15 years rusty? And it would take Spiro 2 days and it would take me 2 months? Who is Spiro trying to impress? A group of anonymous computer nerds? FYI I've programmed OpenGL every day for the past 15 years, and patented my own rendering system in the process. My own product already served as a rapid prototyping tool and I solved their actual problem in my first few hours. It just happens they want the source code (a license of which I sell for$250K).

I'm just pointing out that people don't usually write rendering engines from scratch anymore (the one I wrote in 1997 is still working fine thank you), and if someone tells you they can write a rendering engine from scratch in 2 days they are lying.

- "It's been a while since I wrote one from the ground up (15 years or so), in fact it seems hardly anything in graphics is written from scratch these days. The pay is great so I don't have a problem doing it, but am at a loss for an estimate and wanted to get a consensus from those with experience."

Here you state it was a long time you wrote it from the ground and up. (by just sligtly reading, this is easy read as "i havent done it in 15 years" )
And to add the title states, "Time to write rendering engine from the scratch", this adds more to the idea that you havent done it in a while.

- "How long would you estimate it would take to write an OpenGL program that can load say OBJ files and render models without fancy shaders?"
This gets me to think, you are asking for advice out from experienced developers to get some estimate on how long this task would take, because you sound like a rookie on the sentence befor.

- "Who is Spiro trying to impress? A group of anonymous computer nerds?"
I belive none, in fact, i think you got this on the wrong hand. as we got your "Question" on the wrong hand aswell.
If you have been writing OpenGL for 15 years, the you would be pretty sure of how long it would take you to develop that stuff, due to the fact that you know the problems, the issues, and the solutions for it. and you would allso give an planned approach and estimate upon that.

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