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bloeys
2024-05-01 01:25:10 +04:00
parent 4eb59e3386
commit da81ee79d9
12 changed files with 78 additions and 78 deletions
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16
gglm/quat.go
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@ -11,12 +11,12 @@ type Quat struct {
Vec4
}
//Eq checks for exact equality
// Eq checks for exact equality
func (q *Quat) Eq(q2 *Quat) bool {
return q.Data == q2.Data
}
//Angle returns the angle represented by this quaternion in radians
// Angle returns the angle represented by this quaternion in radians
func (q *Quat) Angle() float32 {
if Abs32(q.Data[3]) > CosHalf {
@ -31,7 +31,7 @@ func (q *Quat) Angle() float32 {
return Acos32(q.Data[3]) * 2
}
//Axis returns the rotation axis represented by this quaternion
// Axis returns the rotation axis represented by this quaternion
func (q *Quat) Axis() *Vec3 {
var t float32 = 1 - q.Data[3]*q.Data[3]
@ -47,8 +47,8 @@ func (q *Quat) Axis() *Vec3 {
}}
}
//Euler takes rotations in radians and produces a rotation that
//rotates around the z-axis, y-axis and lastly x-axis.
// Euler takes rotations in radians and produces a rotation that
// rotates around the z-axis, y-axis and lastly x-axis.
func NewQuatEuler(v *Vec3) *Quat {
//Some other common terminology: x=roll, y=pitch, z=yaw
@ -74,8 +74,8 @@ func NewQuatEuler(v *Vec3) *Quat {
}
}
//Euler takes rotations in radians and produces a rotation that
//rotates around the z-axis, y-axis and lastly x-axis.
// Euler takes rotations in radians and produces a rotation that
// rotates around the z-axis, y-axis and lastly x-axis.
func NewQuatEulerXYZ(x, y, z float32) *Quat {
//Some other common terminology: x=roll, y=pitch, z=yaw
@ -101,7 +101,7 @@ func NewQuatEulerXYZ(x, y, z float32) *Quat {
}
}
//NewQuatAngleAxis produces a quaternion thats rotates rotRad radians around the *normalized* vector rotAxisNorm
// NewQuatAngleAxis produces a quaternion thats rotates rotRad radians around the *normalized* vector rotAxisNorm
func NewQuatAngleAxis(rotRad float32, rotAxisNorm *Vec3) *Quat {
s, c := Sincos32(rotRad * 0.5)