Update leenkx/Sources/iron/math/Quat.hx
This commit is contained in:
parent
8d072ae481
commit
559a3b8b39
@ -66,12 +66,32 @@ class Quat {
|
||||
}
|
||||
|
||||
public inline function fromAxisAngle(axis: Vec4, angle: FastFloat): Quat {
|
||||
var s: FastFloat = Math.sin(angle * 0.5);
|
||||
x = axis.x * s;
|
||||
y = axis.y * s;
|
||||
z = axis.z * s;
|
||||
w = Math.cos(angle * 0.5);
|
||||
return normalize();
|
||||
//var s: FastFloat = Math.sin(angle * 0.5);
|
||||
//x = axis.x * s;
|
||||
//y = axis.y * s;
|
||||
//z = axis.z * s;
|
||||
//w = Math.cos(angle * 0.5);
|
||||
//return normalize();
|
||||
// Normalize the axis vector first
|
||||
var axisLen = Math.sqrt(axis.x * axis.x + axis.y * axis.y + axis.z * axis.z);
|
||||
if (axisLen > 0.00001) {
|
||||
var aL = 1.0 / axisLen;
|
||||
var nX = axis.x * aL;
|
||||
var nY = axis.y * aL;
|
||||
var nZ = axis.z * aL;
|
||||
var halfAngle = angle * 0.5;
|
||||
var s: FastFloat = Math.sin(halfAngle);
|
||||
x = nX * s;
|
||||
y = nY * s;
|
||||
z = nZ * s;
|
||||
w = Math.cos(halfAngle);
|
||||
} else {
|
||||
x = 0.0;
|
||||
y = 0.0;
|
||||
z = 0.0;
|
||||
w = 1.0;
|
||||
}
|
||||
return this;
|
||||
}
|
||||
|
||||
public inline function toAxisAngle(axis: Vec4): FastFloat {
|
||||
|
Loading…
x
Reference in New Issue
Block a user