/* After release of left mouse button, check if this unit is within selection box. */ void ARTSUnit::CheckForSelection() { /* Find screen coordinates of the unit. */ FVector2D MyResult = FVector2D(0, 0); ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(PC->Player); if (LocalPlayer != NULL && LocalPlayer->ViewportClient != NULL && LocalPlayer->ViewportClient->Viewport != NULL) { FSceneViewFamilyContext ViewFamily(FSceneViewFamily::ConstructionValues( LocalPlayer->ViewportClient->Viewport, GetWorld()->Scene, LocalPlayer->ViewportClient->EngineShowFlags) .SetRealtimeUpdate(true)); FVector ViewLocation; FRotator ViewRotation; FSceneView* SceneView = LocalPlayer->CalcSceneView(&ViewFamily, /*out*/ ViewLocation, /*out*/ ViewRotation, LocalPlayer->ViewportClient->Viewport); if (SceneView) { auto MyWorldPosition = GetActorLocation(); MyResult; SceneView->WorldToPixel(MyWorldPosition, MyResult); } } /* If the selection box contains the screen postion: */ if (ARTSHUD::SelectionContainsPoint(MyResult)){ // Select this unit, and leave possibility to select others. Select(); } }
FVector2D FSpriteEditorViewportClient::SourceTextureSpaceToScreenSpace(const FSceneView& View, const FVector2D& SourcePoint) const { const FVector WorldSpacePoint = SourceTextureSpaceToWorldSpace(SourcePoint); FVector2D PixelLocation; View.WorldToPixel(WorldSpacePoint, /*out*/ PixelLocation); return PixelLocation; }
FVector2D FSpriteGeometryEditingHelper::TextureSpaceToScreenSpace(const FSceneView& View, const FVector2D& SourcePoint) const { const FVector WorldSpacePoint = EditorContext->TextureSpaceToWorldSpace(SourcePoint); FVector2D PixelLocation; View.WorldToPixel(WorldSpacePoint, /*out*/ PixelLocation); return PixelLocation; }
void AEyeXSimpleInteractorPawn::UpdateRegion() { FVector Origin; FVector Extents; GetActorBounds(false, Origin, Extents); auto playerController = Cast<APlayerController>(Controller); ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(playerController->Player); auto ViewFamilyArguments = FSceneViewFamily::ConstructionValues(LocalPlayer->ViewportClient->Viewport, GetWorld()->Scene, LocalPlayer->ViewportClient->EngineShowFlags); ViewFamilyArguments.SetRealtimeUpdate(true); FSceneViewFamilyContext ViewFamily(ViewFamilyArguments); // Calculate a view where the player is to update the streaming from the players start location FVector ViewLocation; FRotator ViewRotation; FSceneView* SceneView = LocalPlayer->CalcSceneView(&ViewFamily, /*out*/ ViewLocation, /*out*/ ViewRotation, LocalPlayer->ViewportClient->Viewport); FVector2D ExtentPoints[8]; SceneView->WorldToPixel(Origin + FVector(Extents.X, Extents.Y, Extents.Z), ExtentPoints[0]); //Right Top Front SceneView->WorldToPixel(Origin + FVector(Extents.X, Extents.Y, -Extents.Z), ExtentPoints[1]); //Right Top Back SceneView->WorldToPixel(Origin + FVector(Extents.X, -Extents.Y, Extents.Z), ExtentPoints[2]); //Right Bottom Front SceneView->WorldToPixel(Origin + FVector(Extents.X, -Extents.Y, -Extents.Z), ExtentPoints[3]); //Right Bottom Back SceneView->WorldToPixel(Origin + FVector(-Extents.X, Extents.Y, Extents.Z), ExtentPoints[4]); //Left Top Front SceneView->WorldToPixel(Origin + FVector(-Extents.X, Extents.Y, -Extents.Z), ExtentPoints[5]); //Left Top Back SceneView->WorldToPixel(Origin + FVector(-Extents.X, -Extents.Y, Extents.Z), ExtentPoints[6]); //Left Bottom Front SceneView->WorldToPixel(Origin + FVector(-Extents.X, -Extents.Y, -Extents.Z), ExtentPoints[7]); //Left Bottom Back FVector2D TopLeft = FVector2D(std::numeric_limits<float>::max(), std::numeric_limits<float>::max()); FVector2D BottomRight = FVector2D(std::numeric_limits<float>::min(), std::numeric_limits<float>::min()); for (auto Point : ExtentPoints) { if (Point.X < TopLeft.X) TopLeft.X = Point.X; else if (Point.X > BottomRight.X) BottomRight.X = Point.X; if (Point.Y < TopLeft.Y) TopLeft.Y = Point.Y; else if (Point.Y > BottomRight.Y) BottomRight.Y = Point.Y; } MyRegion->bounds.left = TopLeft.X; MyRegion->bounds.top = TopLeft.Y; MyRegion->bounds.right = BottomRight.X; MyRegion->bounds.bottom = BottomRight.Y; }