void
run_mono ( float *in,
float *out_w, float *out_x, float *out_y, float *out_z,
float a, float e,
nframes_t nframes )
{
float x = _x;
float y = _y;
float z = _z;
spherical_to_cartesian( a, e, _x, _y, _z );
const float c = 1.0f / (float)nframes;
/* calculate increment for linear interpolation */
const float dx = (_x - x) * c;
const float dy = (_y - y) * c;
const float dz = (_z - z) * c;
while ( nframes-- )
{
x += dx;
y += dy;
z += dz;
const float t = *in++;
*out_w++ = ONEOVERSQRT2 * t;
*out_x++ = x * t;
*out_y++ = y * t;
*out_z++ = z * t;
}
}
void
run_stereo ( float *in_l, float *in_r,
float *out_w, float *out_x, float *out_y, float *out_z,
float a, float e, float w,
nframes_t nframes )
{
float x = _x;
float y = _y;
float z = _z;
float xr = _xr;
float yr = _yr;
w *= 0.5f;
spherical_to_cartesian( a - w, e, _x, _y, _z );
spherical_to_cartesian( a + w, e, _xr, _yr, _z );
const float c = 1.0f / (float)nframes;
/* calculate increment for linear interpolation */
const float dx = (_x - x) * c;
const float dy = (_y - y) * c;
const float dz = (_z - z) * c;
const float dxr = (_xr - xr) * c;
const float dyr = (_yr - yr) * c;
while ( nframes-- )
{
x += dx;
y += dy;
z += dz;
xr += dxr;
yr += dyr;
const float L = *in_l++;
const float R = *in_r++;
const float LR = L + R;
*out_w++ = ONEOVERSQRT2 * LR;
*out_x++ = x * L + xr * R;
*out_y++ = y * L + yr * R;
*out_z++ = z * LR;
}
}
/**
* \brief This function is called on mouse move
*/
static void glut_on_mouse_drag(int x, int y)
{
float dx, dy;
if(ctx->display->mouse.state == GLUT_LEFT_BUTTON) {
float rel_pos[3];
float sphere[3];
rel_pos[0] = ctx->display->camera.pos[0] - ctx->display->camera.target[0];
rel_pos[1] = ctx->display->camera.pos[1] - ctx->display->camera.target[1];
rel_pos[2] = ctx->display->camera.pos[2] - ctx->display->camera.target[2];
cartesion_to_spherical(rel_pos, sphere);
dx = x - ctx->display->mouse.pos[0];
dy = y - ctx->display->mouse.pos[1];
if(abs(dy) < 100) {
sphere[1] -= (float)dy/100.0;
}
if(abs(dx) < 100) {
sphere[2] -= (float)dx/100.0;
}
spherical_to_cartesian(sphere, rel_pos);
ctx->display->camera.pos[0] = rel_pos[0] + ctx->display->camera.target[0];
ctx->display->camera.pos[1] = rel_pos[1] + ctx->display->camera.target[1];
ctx->display->camera.pos[2] = rel_pos[2] + ctx->display->camera.target[2];
ctx->display->mouse.pos[0] = x;
ctx->display->mouse.pos[1] = y;
} else if(ctx->display->mouse.state == GLUT_RIGHT_BUTTON) {
float fdx, fdy;
fdx = ctx->display->camera.target[0] - ctx->display->camera.pos[0];
fdy = ctx->display->camera.target[1] - ctx->display->camera.pos[1];
dx = x - ctx->display->mouse.pos[0];
dy = y - ctx->display->mouse.pos[1];
if(abs(dx) < 100) {
ctx->display->camera.target[0] -= 0.001*fdy*dx;
ctx->display->camera.pos[0] -= 0.001*fdy*dx;
ctx->display->camera.target[1] -= 0.001*(-fdx)*dx;
ctx->display->camera.pos[1] -= 0.001*(-fdx)*dx;
}
ctx->display->mouse.pos[0] = x;
ctx->display->mouse.pos[1] = y;
} else if(ctx->display->mouse.state == GLUT_MIDDLE_BUTTON) {
float rel_pos[3];
float sphere[3];
rel_pos[0] = ctx->display->camera.pos[0] - ctx->display->camera.target[0];
rel_pos[1] = ctx->display->camera.pos[1] - ctx->display->camera.target[1];
rel_pos[2] = ctx->display->camera.pos[2] - ctx->display->camera.target[2];
cartesion_to_spherical(rel_pos, sphere);
dx = x - ctx->display->mouse.pos[0];
dy = y - ctx->display->mouse.pos[1];
if(abs(dy) < 100) {
sphere[0] += (float)dy/5.0;
}
spherical_to_cartesian(sphere, rel_pos);
ctx->display->camera.pos[0] = rel_pos[0] + ctx->display->camera.target[0];
ctx->display->camera.pos[1] = rel_pos[1] + ctx->display->camera.target[1];
ctx->display->camera.pos[2] = rel_pos[2] + ctx->display->camera.target[2];
ctx->display->mouse.pos[0] = x;
ctx->display->mouse.pos[1] = y;
}
}
osg::Vec3d cartesian_position ()
{
double size = payload_sizes[current_payload];
return spherical_to_cartesian (position (), size);
}
