Vector3d Polygon::velocity(const Grid &g, const Vector3d &w) const
{
const double SMALL = Vector3d::get_small();
Vector3d u;
double d;
double s = 0.0;
for (size_t i = 0; i < size(); ++i)
{
d = (POINT(i) - w).norm();
if (d < SMALL) return VELOCITY(i);
d = 1.0 / d;
s += d;
u += d * VELOCITY(i);
}
return u / s;
}
static int
_elitaire_card_flip_cb(void * data)
{
Elitaire_Card_Job * job;
Evas_Object * card, * image, * shadow;
Elitaire_Card * eli_card;
Evas_Coord w, h;
Evas_Coord im_x, im_w, im_y;
Evas_Coord new_x, new_w;
Evas_Coord sh_y, sh_x;
Evas_Coord x;
job = (Elitaire_Card_Job *) data;
card = job->card;
eli_card = (Elitaire_Card *) evas_object_smart_data_get(card);
image = eli_card->image;
shadow = eli_card->shadow;
evas_object_geometry_get(card, &x, NULL, &w, &h);
evas_object_geometry_get(image, &im_x, &im_y, &im_w, NULL);
if (shadow)
evas_object_geometry_get(shadow, &sh_x, &sh_y, NULL, NULL);
new_w = im_w + job->y.ec * (Evas_Coord) (VELOCITY(eli_card->eli)
/ eli_card->eli->frame_rate);
if (new_w < 0) {
job->y.ec = 1;
new_w = ABS(new_w);
elitaire_card_reinit(card);
}
if (new_w >= w) {
/* Job now ends */
new_w = eli_card->eli->card_w;
new_x = x;
evas_object_resize(image, new_w, h);
evas_object_move(image, new_x, im_y);
if (shadow) {
sh_x += (im_w - new_w) / 2;
evas_object_resize(shadow, new_w, h);
evas_object_move(shadow, sh_x, sh_y);
}
elitaire_job_del(eli_card->jobs, data);
return 0;
}
new_x = im_x + (im_w - new_w) / 2;
evas_object_resize(image, new_w, h);
evas_object_move(image, new_x, im_y);
if (shadow) {
sh_x += (im_w - new_w) / 2;
evas_object_resize(shadow, new_w, h);
evas_object_move(shadow, sh_x, sh_y);
}
return 1;
}
static int
_elitaire_card_drop_cb(void * data)
{
Elitaire_Card_Job * job;
Evas_Object * card = NULL;
Evas_Coord x, y, w, d;
Evas_Coord image_x, image_y;
Elitaire_Card * eli_card;
job = (Elitaire_Card_Job *) data;
card = job->card;
eli_card = (Elitaire_Card *) evas_object_smart_data_get(card);
evas_object_geometry_get(card, &x, &y, &w, NULL);
evas_object_geometry_get(eli_card->image, &image_x, &image_y, NULL, NULL);
d = (Evas_Coord) (VELOCITY(eli_card->eli) / eli_card->eli->frame_rate);
image_x += d;
image_y += d;
if (image_x >= x || image_y >= y) {
/* Job now ends */
evas_object_move(eli_card->image, x, y);
if (eli_card->next_card) {
Evas_Coord dy;
dy = elitaire_card_offset_get(eli_card->eli);
evas_object_move(eli_card->next_card, x, y + dy);
}
_elitaire_card_shadow_off(card);
elitaire_stack_layer_reinit(eli_card->eli, eli_card->pcard);
elitaire_job_del(eli_card->jobs, data);
return 0;
}
evas_object_move(eli_card->image, image_x, image_y);
if (eli_card->next_card) {
Evas_Coord dy;
dy = elitaire_card_offset_get(eli_card->eli);
evas_object_move(eli_card->next_card, image_x, image_y + dy);
}
return 1;
}
static int
_elitaire_card_drag_cb(void * data)
{
Elitaire_Card_Job * job;
Elitaire_Card * eli_card;
Evas_Coord x, y, w, d;
Evas_Coord image_x, image_y;
Evas_Object * card = NULL;
job = (Elitaire_Card_Job *) data;
card = job->card;
eli_card = (Elitaire_Card *) evas_object_smart_data_get(card);
evas_object_geometry_get(eli_card->shadow, &x, &y, &w, NULL);
evas_object_geometry_get(eli_card->image, &image_x, &image_y, NULL, NULL);
d = (Evas_Coord) (VELOCITY(eli_card->eli) / (eli_card->eli->frame_rate * 2));
image_x -= d;
image_y -= d;
if (abs(x - image_x) >= w / 10) {
/* Job now ends */
evas_object_move(eli_card->image, x - w / 10, y - w / 10);
if (eli_card->next_card) {
Evas_Coord dy;
dy = elitaire_card_offset_get(eli_card->eli);
evas_object_move(eli_card->next_card, x - w / 10, y - w / 10 + dy);
}
elitaire_job_del(eli_card->jobs, data);
return 0;
}
evas_object_move(eli_card->image, image_x, image_y);
if (eli_card->next_card) {
Evas_Coord dy;
dy = elitaire_card_offset_get(eli_card->eli);
evas_object_move(eli_card->next_card, image_x, image_y + dy);
}
return 1;
}
/* ***************************************************************************
* callbacks
* ***************************************************************************/
static int
_elitaire_card_slide_cb(void * data)
{
Elitaire_Card_Job * job;
Evas_Object * card;
Elitaire_Card * eli_card;
Evas_Coord to_x, to_y;
Evas_Coord from_x, from_y;
Evas_Coord new_x, new_y;
double m, ft;
job = (Elitaire_Card_Job *) data;
card = job->card;
eli_card = (Elitaire_Card *) evas_object_smart_data_get(card);
ft = _elitaire_card_job_frametime_get(job);
if (job->w == eli_card->eli->w) {
to_x = job->x.ec;
to_y = job->y.ec;
}
else {
elitaire_card_xy_get(card, &to_x, &to_y);
job->w = eli_card->eli->w;
job->x.ec = to_x;
job->y.ec = to_y;
}
evas_object_geometry_get(card, &from_x, &from_y, NULL, NULL);
m = VELOCITY(eli_card->eli) * ft
/ sqrt((double) (SQR(to_x - from_x) + SQR(to_y - from_y)));
new_x = (Evas_Coord) (m * (to_x - from_x)) + from_x;
new_y = (Evas_Coord) (m * (to_y - from_y)) + from_y;
if (ABS(new_x - from_x) >= ABS(to_x - from_x)
&& ABS(new_y - from_y) >= ABS(to_y - from_y)) {
/* Job now ends */
evas_object_move(card, to_x, to_y);
elitaire_job_del(eli_card->jobs, data);
return 0;
}
evas_object_move(card, new_x, new_y);
return 1;
}
OP_ERROR aaOceanSOP::cookMySop(OP_Context &context)
{
if (lockInputs(context) >= UT_ERROR_ABORT)
return error();
duplicateSource(0, context);
setVariableOrder(3, 2, 0, 1);
setCurGdh(0, myGdpHandle);
setupLocalVars();
// variable declarations
float now = context.getTime();
// Flag the SOP as being time dependent (i.e. cook on time changes)
flags().timeDep = 1;
// start pulling in SOP inputs and send to aaOcean
enableEigens = (ENABLEEIGENS() != 0);
if(pOcean->isChoppy() && enableEigens)
enableEigens = TRUE;
now = now + TIMEOFFSET(now);
pOcean->input( RESOLUTION(),
SEED(),
OCEANSCALE(now),
OCEANDEPTH(now),
SURFACETENSION(now),
VELOCITY(now),
CUTOFF(now),
WINDDIR(now),
WINDALIGN(),
DAMP(now),
WAVESPEED(now),
WAVEHEIGHT(now),
CHOP(now),
now,
LOOPTIME(now),
enableEigens,
FALSE);
// get the user-specified attribute that holds uv-data
getUVAttributeName(UvAttribute);
if(UvAttribute.length() == 0)
UvAttribute = "uv";
const char* UVAttribName = (const char *)UvAttribute;
uvRef = gdp->findFloatTuple(GA_ATTRIB_POINT, UVAttribName, 3);
if(uvRef.isValid() == TRUE)
{
uvAttribute = uvRef.getAttribute();
uvTuple = uvRef.getAIFTuple();
}
else
{
// uv attribute not found
char msg[256];
sprintf(msg, "[aaOcean] Specified UV attribute \'%s\' not found on geometry.\
\nUV's are required for aaOcean to cook", UVAttribName);
std::cout<<msg;
std::cout.flush();
addError(SOP_MESSAGE, msg);
unlockInputs();
return error();
}
// setup local variables to output Eigens
if(enableEigens)
{
eVecPlusRef = gdp->addFloatTuple(GA_ATTRIB_POINT, eVecPlusName, 3);
eVecMinusRef = gdp->addFloatTuple(GA_ATTRIB_POINT, eVecMinusName, 3);
eValuesRef = gdp->addFloatTuple(GA_ATTRIB_POINT, eValuesName, 1);
eVecPlusHandle = GA_RWHandleV3(eVecPlusRef.getAttribute());
eVecMinusHandle = GA_RWHandleV3(eVecMinusRef.getAttribute());
eValuesHandle = GA_RWHandleF(eValuesRef.getAttribute());
}
// inputs validated. Begin writing ocean data to output handles
int npts = gdp->getNumPoints();
#pragma omp parallel for
for (int pt_offset = 0; pt_offset < npts; ++pt_offset)
{
UT_Vector3F pos = gdp->getPos3(pt_offset);
UT_Vector3F UV;
uvTuple->get(uvAttribute, pt_offset, UV.data(), 3);
// Houdini V coord runs in opposite direction compared to Softimage/Maya
// Conforming with other apps to make ocean shape consistent across apps
float u = UV.x();
float v = 1.0f - (fmod(UV.y(), 1.0f));
pos.y() += pOcean->getOceanData(u, v, aaOcean::eHEIGHTFIELD);
if(pOcean->isChoppy())
{
pos.x() += pOcean->getOceanData(u, v, aaOcean::eCHOPX);
pos.z() += pOcean->getOceanData(u, v, aaOcean::eCHOPZ);
}
gdp->setPos3(pt_offset, pos);
if(enableEigens)
{
UT_Vector3F eigenVectorPlusValue;
UT_Vector3F eigenVectorMinusValue;
float eigenValue;
eigenVectorPlusValue.x() = pOcean->getOceanData(u, v, aaOcean::eEIGENPLUSX);
eigenVectorPlusValue.y() = 0.0f;
eigenVectorPlusValue.z() = pOcean->getOceanData(u, v, aaOcean::eEIGENPLUSZ);
eigenVectorMinusValue.x() = pOcean->getOceanData(u, v, aaOcean::eEIGENMINUSX);
eigenVectorMinusValue.y() = 0.0f;
eigenVectorMinusValue.z() = pOcean->getOceanData(u, v, aaOcean::eEIGENMINUSZ);
eigenValue = pOcean->getOceanData(u, v, aaOcean::eFOAM);
eVecPlusHandle.set(pt_offset,eigenVectorPlusValue);
eVecMinusHandle.set(pt_offset,eigenVectorMinusValue);
eValuesHandle.set(pt_offset,eigenValue);
}
}
unlockInputs();
return error();
}