C-KIT-GUI-GTK 0.62
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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <GL/gl.h>
#include "tst_geo.h"
#include "trackball.h"
Macros | |
#define | TRACKBALLSIZE (0.8) |
#define | RENORMCOUNT 97 |
#define | maxPan 10.f |
#define | panFakt 0.2f |
#define | maxZoom 0.01f |
#define | minZoom 160.f |
#define | dZoom 1.f |
#define | zoomFakt 10.f |
Functions | |
static float | tb_project_to_sphere (float, float, float) |
static void | normalize_quat (float[4]) |
void | vzero (float *v) |
void | vset (float *v, float x, float y, float z) |
void | vsub (const float *src1, const float *src2, float *dst) |
void | vcopy (const float *v1, float *v2) |
void | vcross (const float *v1, const float *v2, float *cross) |
float | vlength (const float *v) |
void | vscale (float *v, float div) |
void | vnormal (float *v) |
float | vdot (const float *v1, const float *v2) |
void | vadd (const float *src1, const float *src2, float *dst) |
void | trackball (float q[4], float p1x, float p1y, float p2x, float p2y) |
void | axis_to_quat (float a[3], float phi, float q[4]) |
void | add_quats (float q1[4], float q2[4], float dest[4]) |
void | build_rotmatrix (float m[4][4], float q[4]) |
int | trackball_pan (Pointf *ptc, float oldx, float oldy, float newx, float newy, float width, float height) |
int | trackball_zoom (float *zoom, float oldx, float oldy, float newx, float newy, float width, float height) |
int | trackball_rot (float *quat, float oldx, float oldy, float newx, float newy, float width, float height, Pointf *cenPt) |
int | trackball_ortho (Pointf *cenPt, float *zoom, float *quat, Pointf *mdlMax, Pointf *mdlMin) |
int | trackball_persp (Pointf *cenPt, float *scl, float *quat, Pointf *mdlMax, Pointf *mdlMin) |
#define TRACKBALLSIZE (0.8) |
#define RENORMCOUNT 97 |
#define maxPan 10.f |
#define panFakt 0.2f |
#define maxZoom 0.01f |
#define minZoom 160.f |
#define dZoom 1.f |
#define zoomFakt 10.f |
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static |
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static |
void vzero | ( | float * | v | ) |
void vset | ( | float * | v, |
float | x, | ||
float | y, | ||
float | z | ||
) |
void vsub | ( | const float * | src1, |
const float * | src2, | ||
float * | dst | ||
) |
void vcopy | ( | const float * | v1, |
float * | v2 | ||
) |
void vcross | ( | const float * | v1, |
const float * | v2, | ||
float * | cross | ||
) |
float vlength | ( | const float * | v | ) |
void vscale | ( | float * | v, |
float | div | ||
) |
void vnormal | ( | float * | v | ) |
float vdot | ( | const float * | v1, |
const float * | v2 | ||
) |
void vadd | ( | const float * | src1, |
const float * | src2, | ||
float * | dst | ||
) |
void trackball | ( | float | q[4], |
float | p1x, | ||
float | p1y, | ||
float | p2x, | ||
float | p2y | ||
) |
void axis_to_quat | ( | float | a[3], |
float | phi, | ||
float | q[4] | ||
) |
void add_quats | ( | float | q1[4], |
float | q2[4], | ||
float | dest[4] | ||
) |
void build_rotmatrix | ( | float | m[4][4], |
float | q[4] | ||
) |
int trackball_pan | ( | Pointf * | ptc, |
float | oldx, | ||
float | oldy, | ||
float | newx, | ||
float | newy, | ||
float | width, | ||
float | height | ||
) |
int trackball_zoom | ( | float * | zoom, |
float | oldx, | ||
float | oldy, | ||
float | newx, | ||
float | newy, | ||
float | width, | ||
float | height | ||
) |
int trackball_rot | ( | float * | quat, |
float | oldx, | ||
float | oldy, | ||
float | newx, | ||
float | newy, | ||
float | width, | ||
float | height, | ||
Pointf * | cenPt | ||
) |
int trackball_ortho | ( | Pointf * | cenPt, |
float * | zoom, | ||
float * | quat, | ||
Pointf * | mdlMax, | ||
Pointf * | mdlMin | ||
) |