quat¶
Struct | orca.geometry
Quaternion for 3D rotations
Overview¶
Fields¶
| Field | Type | Description |
|---|---|---|
x |
float |
X component of quaternion |
y |
float |
Y component of quaternion |
z |
float |
Z component of quaternion |
w |
float |
W component (scalar part) of quaternion |
Methods¶
fromEuler(vec3, RotationOrder) → quat¶
Creates quaternion from Euler angles
| Parameter | Type | Description |
|---|---|---|
euler |
vec3 |
Euler angles in radians (x=pitch, y=yaw, z=roll) |
order |
RotationOrder |
Order to apply rotations |
Returns: quat — Quaternion representing the rotation
fromMatrix(mat4) → quat¶
Extracts quaternion from rotation matrix
| Parameter | Type | Description |
|---|---|---|
matrix |
mat4 |
4x4 transformation matrix |
Returns: quat — Quaternion representing the matrix rotation
dotProduct(quat) → float¶
Calculates dot product with another quaternion
| Parameter | Type | Description |
|---|---|---|
other |
quat |
Quaternion to calculate dot product with |
Returns: float — Dot product result
length() → float¶
Returns the magnitude of the quaternion
Returns: float — Length of the quaternion
unm() → quat¶
Returns the conjugate of the quaternion
Returns: quat — Conjugate quaternion
normalized() → quat¶
Returns a normalized copy of the quaternion
Returns: quat — Normalized quaternion
slerp(quat, float) → quat¶
Spherical linear interpolation between quaternions
| Parameter | Type | Description |
|---|---|---|
q |
quat |
Target quaternion to interpolate towards |
t |
float |
Interpolation factor (0.0 = this quat, 1.0 = target quat) |
Returns: quat — Interpolated quaternion
sqlerp(quat, quat, quat, float) → quat¶
Squad (spherical cubic) interpolation between quaternions
| Parameter | Type | Description |
|---|---|---|
b |
quat |
Second control quaternion |
c |
quat |
Third control quaternion |
d |
quat |
Fourth control quaternion |
t |
float |
Interpolation parameter (0.0 to 1.0) |
Returns: quat — Interpolated quaternion