Helper class that adds LookAt functionality. More...
Inherited by DD::Image::AxisOp, and DD::Image::TransformGeo.
Public Member Functions | |
LookAt (int defaultLookAxis=kAxisZPlus) | |
virtual Op * | lookat_input () const =0 |
The lookat input op. | |
void | knobs (Knob_Callback f) |
Adds the 'Look' tab and knobs for all the look at options. | |
int | knobChanged (Op *parent, Knob *k) |
disables the look at input is not present | |
void | lookAt (Matrix4 &matrix) |
performs the look at on the incoming matrix | |
void | lookMatrixAt (const OutputContext &oc, Matrix4 &concatMatrix) |
performs the look at on the incoming matrix for a given context | |
Protected Types | |
enum | { kAxisZPlus, kAxisZMinus, kAxisYPlus, kAxisYMinus, kAxisXPlus, kAxisXMinus } |
Protected Member Functions | |
void | perform_lookat (Matrix4 &concatMatrix, const Matrix4 &axisMatrix) |
Protected Attributes | |
Matrix4 | lookat_matrix_ |
Matrix for rotating to look at the look input. | |
Matrix4 | my_local |
For the Axis_Knob to store into. | |
bool | my_transform_normals |
int | my_lookat_axis |
bool | my_rotate_x |
bool | my_rotate_y |
bool | my_rotate_z |
bool | my_lookat_use_quat |
double | my_lookat_strength |
Static Protected Attributes | |
static const char *const | ms_lookat_axis_choices [] |
Helper class that adds LookAt functionality.
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