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/*
* glgdCam.h
*
* OpenGL Graph Display camera control module header file
*
* Written by: Shawn Taras
*/
#ifndef __GLGDCAM_H__
#define __GLGDCAM_H__
SCM_DECL_BEGIN
/*
* Enumerations
*/
typedef enum
{
GLGDCAM_MODE_NONE = 0,
GLGDCAM_MODE_ORBIT,
GLGDCAM_MODE_ZOOM,
GLGDCAM_MODE_PAN,
GLGDCAM_MODE_COUNT
} glgdCamMode;
/*
* Defines
*/
#define GLGDCAM_FLAG_INITIALIZED (0x0001)
/*
* Type Definitions
*/
typedef struct _glgdCam
{
GLbitfield flags;
glgdMatrix projMtx;
glgdQuat camRot;
GLdouble camPos[3];
GLdouble mouseLast[2];
GLdouble tanFOV[2];
GLdouble winDim[2];
} glgdCam;
typedef GLboolean (*glgdCamCtrlFn)(glgdCam *cam);
/*
* Module API
*/
GLboolean glgdCamInit(glgdCam *cam);
GLboolean glgdCamBegin(glgdCam *cam);
GLboolean glgdCamBeginPick(glgdCam *cam, GLdouble mx, GLdouble my);
GLboolean glgdCamUpdate(glgdCam *cam, glgdCamMode mode,
GLdouble mx, GLdouble my, GLdouble frameTime);
GLboolean glgdCamEnd(glgdCam *cam);
GLboolean glgdCamWinDimSet(glgdCam *cam, GLdouble w, GLdouble h);
GLboolean glgdCamPosSet(glgdCam *cam, GLdouble x, GLdouble y, GLdouble z);
GLboolean glgdCamRotSet(glgdCam *cam, glgdQuat qrot);
GLboolean glgdCamMouseSet(glgdCam *cam, GLdouble mx, GLdouble my);
GLboolean glgdCamFrameWidth(glgdCam *cam,
GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top);
GLboolean glgdCamFrameHeight(glgdCam *cam,
GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top);
GLboolean glgdCamFrame(glgdCam *cam,
GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top);
GLboolean glgdCamPerspective(glgdCam *cam,
GLdouble fovy, GLdouble aspect,
GLdouble zNear, GLdouble zFar);
GLboolean glgdCamFrustum(glgdCam *cam,
GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top,
GLdouble zNear, GLdouble zFar);
GLboolean glgdCamOrtho(glgdCam *cam,
GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top,
GLdouble zNear, GLdouble zFar);
/*
* Camera control functions
*/
GLboolean glgdCamCtrlMaya(glgdCam *cam);
GLboolean glgdCamCtrl3DSMax(glgdCam *cam);
SCM_DECL_END
#endif /* __GLGDCAM_H__ */
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