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.