void PerspectiveCamera::mouseDragged(CameraScratch &scratch, QMouseEvent *event)
{
int xDiff = scratch.pickX - event->pos().x();
int yDiff = scratch.pickY - event->pos().y();
if (scratch.moveType == MoveType::ROTATING) {
Vector3 origLook = eye() + lookDir();
setYRot(yRot() + xDiff * 0.5f);
setUpRot(upRot() + yDiff * -0.5f);
// move eye to look at original focal point (Maya style)
Vector3 lookAway = lookDir() * -1;
setCenter(origLook + lookAway);
}
else if (scratch.moveType == MoveType::PANNING) {
float panScale = 0.05f;
Vector3 mUp = scratch.origUp * -1.0f * yDiff * panScale;
Vector3 mLeft = scratch.origLeft * -1.0f * xDiff * panScale;
setCenter(eye() + mUp + mLeft);
} else if (scratch.moveType == MoveType::TRUCKING) {
Point3 at = lookat();
Vector3 l = lookDir() * -0.01f * yDiff;
setCenter(l + center());
}
scratch.pickX = event->pos().x();
scratch.pickY = event->pos().y();
}
void LLCoordFrame::lookAt(const LLVector3 &origin, const LLVector3 &point_of_interest, const LLVector3 &up_direction)
{
setOrigin(origin);
LLVector3 at(point_of_interest - origin);
at.normVec();
lookDir(at, up_direction);
}
void LLCoordFrame::lookAt(const LLVector3 &origin, const LLVector3 &point_of_interest)
{
static LLVector3 up_direction(0.0f, 0.0f, 1.0f);
setOrigin(origin);
LLVector3 at(point_of_interest - origin);
at.normVec();
lookDir(at, up_direction);
}
LLCoordFrame::LLCoordFrame(const LLVector3 &origin, const LLVector3 &direction) :
mOrigin(origin)
{
lookDir(direction);
if( !isFinite() )
{
reset();
llwarns << "Non Finite in LLCoordFrame::LLCoordFrame()" << llendl;
}
}
PerspectiveCamera::PerspectiveCamera() : Camera()
{
resetLook();
_center = Point3(4.0,2.0,4.0);
_yRot = 225;
_upRot = 45;
_distance = _center.length();
updateLook();
_center = -lookDir();
//updateLook();
//moveType = MoveType::NOT_MOVING;
}
void SpotLight::prepare(Scene* scene)
{
#if 0
/*
Attribute castShadows = attributeByName("Casts Shadows");
if (castShadows && castShadows->property("value").isValid()) {
}
*/
//Attribute position = ;
//position.property("value").toFloat();
QVector3D position = getBoundValue<QVector3D>(this, attributeByName("Position"));
QVector3D lookat = position + lookDir();
float coneAngle = PI * attributeByName("Cone Angle")->property("value").value<float>() / 180.0f;
RtFloat intensity = attributeByName("Intensity")->property("value").value<float>();
RtPoint from = { position.x(), position.y(), position.z() };
RtPoint to = { lookat.x(), lookat.y(), lookat.z() };
QColor color = attributeByName("Color")->property("value").value<QColor>();
RtColor c = { color.redF(), color.greenF(), color.blueF() };
bool castsShadow = attributeByName("Casts Shadows")->property("value").value<bool>();
if (castsShadow)
{
QString shadowPath = QString(getenv("AQSIS_TEXTURE_PATH")).split(":")[0] + "/" + scene->assetName(this) + ".shd";
char cShadowPath[1000];
strcpy(cShadowPath, shadowPath.toStdString().c_str());
char *shadowPaths[]= { cShadowPath, RI_NULL };
// float shadowBias = attributeByName("Shadow Bias")->property("value").value<float>();
//RiOption("shadow", "bias", (RtPointer)&shadowBias, RI_NULL);
// std::cout << "shadow bias: " << shadowBias << std::endl;
RiDeclare("shadowname", "uniform string");
RiLightSource("shadowspot", "from", from, "to", to, "intensity", &intensity, "coneangle", &coneAngle, "lightcolor", &c, "shadowname", shadowPaths, RI_NULL);
}
else
RiLightSource("spotlight", "from", from, "to", to, "intensity", &intensity, "coneangle", &coneAngle, "lightcolor", &c, RI_NULL);
//LightSource "shadowspot" 1 "intensity" 50 "from" [1 5 0] "to" [0 0 0]
// "shadowname" ["spot1.tx"]
#endif
}
void LLCoordFrame::lookDir(const LLVector3 &xuv)
{
static LLVector3 up_direction(0.0f, 0.0f, 1.0f);
lookDir(xuv, up_direction);
}
