void oms::SingleImageChain::setViewCut(const ossimDrect& rect, bool imageSpaceFlag)
{
if(!imageSpaceFlag)
{
const ossimProjection* proj = getViewProjection();
if(proj)
{
std::vector<ossimGpt> pointList(4);
proj->lineSampleToWorld(rect.ul(), pointList[0]);
proj->lineSampleToWorld(rect.ur(), pointList[1]);
proj->lineSampleToWorld(rect.lr(), pointList[2]);
proj->lineSampleToWorld(rect.ll(), pointList[3]);
setViewCut(pointList);
}
}
else
{
std::vector<ossimDpt> pointList(4);
pointList[0] = rect.ul();
pointList[1] = rect.ur();
pointList[2] = rect.lr();
pointList[3] = rect.ll();
theViewCutter->setEnableFlag(false);
theViewImageCutter->setEnableFlag(true);
theViewImageCutter->setPolygon(pointList);
theViewImageCutter->initialize();
ossimPropertyEvent evt(theViewImageCutter);
theViewImageCutter->propagateEventToOutputs(evt);
}
}
void TCompLightDirShadowsDynamic::activate() {
PROFILE_FUNCTION("shadows: activate");
if (!is_inRoom) return;
if (!enabled) return;
CHandle owner = CHandle(this).getOwner();
activateWorldMatrix(getViewProjection().Invert());
rt_shadows->getZTexture()->activate(TEXTURE_SLOT_SHADOWMAP);
uploadShaderCtes(owner);
}
void printOE(std::string name, entityx::Entity entity, entityx::EntityManager &entities, entityx::EventManager &events)
{
auto vp = getViewProjection(entities);
auto pos = entity.component<Position>()->pos;
assert(pos != glm::vec3());
auto pos2d = getVec2(vp, pos);
events.emit<GUITextEvent>(entity, pos2d, 15.0f, name);
};
void TCompCamera::render() const {
#ifndef NDEBUG
PROFILE_FUNCTION("TCompCamera render");
auto axis = Resources.get("frustum.mesh")->as<CMesh>();
shader_ctes_object.World = getViewProjection().Invert();
shader_ctes_object.uploadToGPU();
axis->activateAndRender();
#endif
}
Vector2 Camera::projectPoint(const Vector3& src) const
{
Vector2 screenPos;
auto viewport = sharedEngine->getRenderer()->getSize();
Vector4 clipPos;
getViewProjection().transformVector(Vector4(src.x, src.y, src.z, 1.0f), clipPos);
assert(clipPos.w != 0.0f);
Vector2 ndc(clipPos.x / clipPos.w, clipPos.y / clipPos.w);
screenPos.x = (ndc.x + 1.0f) * 0.5f * viewport.width;
screenPos.y = (ndc.y + 1.0f) * 0.5f * viewport.height;
return screenPos;
}