How do I not draw enemies outside of camera?

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Simple and easily editable template for a dynamic camera that zooms in and out based on how far apart the players are.

- thedude1693
- - Joined 17 Jan, 2015
  - 19 topics • 45 posts
- 1
- 19 Jan, 2015
- Quote
I want to have a large (openworld?) game with lots of enemies. But I cant figure out how to make it so that they don't draw and waste cpu power when not in view of camera. Is there a way i can do this?
- alextro
- - Joined 22 Feb, 2012
  - 35 topics • 1,405 posts
- 1
- 19 Jan, 2015
- Quote
Do as following:

Spawner is basically a marker to place enemies that will show only when they are about to appear on screen.A simple 2x2 pixel width is enough to do so.
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- thedude1693
- - Joined 17 Jan, 2015
  - 19 topics • 45 posts
- 1
- 20 Jan, 2015
- Quote
Thank you so much alextro, i went from lagging at 50 enemies to being able to hold over 2,000 and have it run fine (until i go into that area, of course.)
- alextro
- - Joined 22 Feb, 2012
  - 35 topics • 1,405 posts
- 1
- 20 Jan, 2015
- Quote
Glad to know that your game performance run at better speed now.