zhelezkov / atomic-haxe-math Goto Github PK

I tried porting my stuff from hxmath to atomic-haxe-math again today. Everything worked great except for one thing, which I debugged down to the following expression:

return new Mat4().fromQuat(Quat.fromEuler(X, Y, Z));

I replaced the Quat.fromEuler function with this (as described here: http://www.euclideanspace.com/maths/geometry/rotations/conversions/eulerToQuaternion/):

var q = new Quat();
var c1:Float = Math.cos(x/2);
var s1:Float = Math.sin(x/2);
var c2:Float = Math.cos(y/2);
var s2:Float = Math.sin(y/2);
var c3:Float = Math.cos(z/2);
var s3:Float = Math.sin(z/2);
var c1c2 = c1*c2;
var s1s2 = s1*s2;
q[3] =c1c2*c3 - s1s2*s3;
q[0] =c1c2*s3 + s1s2*c3;
q[1] =s1*c2*c3 + c1*s2*s3;
q[2] = c1 * s2 * c3 - s1 * c2 * s3;
    return q;

It fixed my problem. I don't know if this issue is a quirk in atomic engine or if it's a bug.

Using properties, it's possible to add these fields for convenience while still conserving array read/write operations under the hood.

I don't know where else to ask :(

I tried replacing my current math lib with this one, but eventually gave up when i couldn't produce the same results. Admittedly, there are lots of calculations i had to adapt from the old lib to this one, and i probably made a mistake somewhere. Still, i may as well weed out this possible cause.

When using the glm helper functions (perspective, lookAt), what is the expected coordinate system?

just a suggestion that a example which shows what atomic-haxe can do would be great.

if it is good for things like moving platforms etc, like the physics platformer demo, then would be good to show off the power of the haxe definitions ;)