Help with "Asteroids" controls

I love Asteroids!

But I dont have enough information to know what might be causing your problem.

By Heading and Ship not matching rotation, do you perhaps mean that your ship's Sprite graphic is not matching the Physics model?

Perhaps the graphics API you are using to draw the sprite takes it's units in either degrees/radians and you're using a different unit for your physics?

Try explaining the problem in more detail, how it reacts in different conditions, patterns you notice, etc.



P.S.
You're using real Newtonian Physics, right?

Quote:

Original post by haphazardlynamed I love Asteroids! But I dont have enough information to know what might be causing your problem. By Heading and Ship not matching rotation, do you perhaps mean that your ship's Sprite graphic is not matching the Physics model? Perhaps the graphics API you are using to draw the sprite takes it's units in either degrees/radians and you're using a different unit for your physics? Try explaining the problem in more detail, how it reacts in different conditions, patterns you notice, etc. P.S. You're using real Newtonian Physics, right?

Yes, the sprite wasnt matching the physics model.

But Goddamnit! You were right :) (about the angle measure unit).

In my quatnerion library function I feed angles straight into the std library sin/cos, whatever unit OpenGL uses in its rotation matrix must be the opposite.

And the answer to your last question, I'm using plain vanilla newtonian stuff for the motion, just adding some multiple of heading to the accel then accel to vel and multiplying by dt. And of course applying "space friction" to slow down .... whatever that is.

But the motion still isnt very "nice"....I'll whine again if things dont work out.