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MaterialX 1.39.1
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MaterialX 1.39.1
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A simple camera class, supporting transform matrices and arcball functionality for object-viewing applications. More...
#include <Camera.h>
Public Member Functions | |
Transform Matrices | |
| void | setWorldMatrix (const Matrix44 &mat) |
| Set the world matrix. | |
| const Matrix44 & | getWorldMatrix () const |
| Return the world matrix. | |
| void | setViewMatrix (const Matrix44 &mat) |
| Set the view matrix. | |
| const Matrix44 & | getViewMatrix () const |
| Return the view matrix. | |
| void | setProjectionMatrix (const Matrix44 &mat) |
| Set the projection matrix. | |
| const Matrix44 & | getProjectionMatrix () const |
| Return the projection matrix. | |
| Matrix44 | getWorldViewProjMatrix () const |
| Compute our full model-view-projection matrix. | |
| Vector3 | getViewPosition () const |
| Derive viewer position from the view matrix. | |
| Vector3 | getViewDirection () const |
| Derive viewer direction from the view matrix. | |
Viewport | |
| void | setViewportSize (const Vector2 &size) |
| Set the size of the viewport window. | |
| const Vector2 & | getViewportSize () const |
| Return the size of the viewport window. | |
| Vector3 | projectToViewport (Vector3 v) |
| Project a position from object to viewport space. | |
| Vector3 | unprojectFromViewport (Vector3 v) |
| Unproject a position from viewport to object space. | |
Arcball | |
| void | arcballButtonEvent (const Vector2 &pos, bool pressed) |
| Indicates a button state change, with pos being the instantaneous location of the mouse. | |
| bool | applyArcballMotion (const Vector2 &pos) |
| Apply mouse motion to the arcball state. | |
| Matrix44 | arcballMatrix () const |
| Return the arcball matrix. | |
Static Public Member Functions | |
| static CameraPtr | create () |
| Create a new camera. | |
Utilities | |
| static Matrix44 | createViewMatrix (const Vector3 &eye, const Vector3 &target, const Vector3 &up) |
| Create a view matrix given an eye position, a target position and an up vector. | |
| static Matrix44 | createPerspectiveMatrix (float left, float right, float bottom, float top, float nearP, float farP) |
| Create a perpective projection matrix given a set of clip planes with [-1,1] projected Z. | |
| static Matrix44 | createOrthographicMatrix (float left, float right, float bottom, float top, float nearP, float farP) |
| Create an orthographic projection matrix given a set of clip planes with [-1,1] projected Z. | |
| static Matrix44 | createPerspectiveMatrixZP (float left, float right, float bottom, float top, float nearP, float farP) |
| Create a perpective projection matrix given a set of clip planes with [0,1] projected Z. | |
| static Matrix44 | createOrthographicMatrixZP (float left, float right, float bottom, float top, float nearP, float farP) |
| Create an orthographic projection matrix given a set of clip planes with [0,1] projected Z. | |
| static Vector3 | transformPointPerspective (const Matrix44 &m, const Vector3 &v) |
| Apply a perspective transform to the given 3D point, performing a homogeneous divide on the transformed result. | |
Protected Attributes | |
| Matrix44 | _worldMatrix |
| Matrix44 | _viewMatrix |
| Matrix44 | _projectionMatrix |
| Vector2 | _viewportSize |
| bool | _arcballActive |
| Vector2 | _arcballLastPos |
| Quaternion | _arcballQuat |
| Quaternion | _arcballDelta |
| float | _arcballSpeed |
A simple camera class, supporting transform matrices and arcball functionality for object-viewing applications.
1.9.5