public void PositionTo(PositionedObject positionedObject, float yOffset)
{
int screenX = 0;
int screenY = 0;
MathFunctions.AbsoluteToWindow(positionedObject.X, positionedObject.Y, positionedObject.Z, ref screenX, ref screenY, Camera.Main);
var zoom = Managers.Renderer.Camera.Zoom;
X = screenX / zoom;
Y = yOffset + screenY / zoom;
}
public void SetFromWorldUnits(float left, float right, float top, float bottom)
{
int leftScreen = 0;
int topScreen = 0;
int bottomScreen = 0;
int rightScreen = 0;
MathFunctions.AbsoluteToWindow(left, top, 0, ref leftScreen, ref topScreen, Camera.Main);
MathFunctions.AbsoluteToWindow(right, bottom, 0, ref rightScreen, ref bottomScreen, Camera.Main);
// we're 2x zoomed:
leftScreen /= 2;
topScreen /= 2;
bottomScreen /= 2;
rightScreen /= 2;
VisualRepresentation.X = leftScreen;
VisualRepresentation.Y = topScreen;
VisualRepresentation.Width = rightScreen - leftScreen;
VisualRepresentation.Height = bottomScreen - topScreen;
}
public void VerifyGumOnFrbAttachments()
{
int screenX = 0;
int screenY = 0;
MathFunctions.AbsoluteToWindow(X, Y, Z, ref screenX, ref screenY, FlatRedBall.Camera.Main);
EntireButton.Parent.ShouldNotBe(null, "because this should be attached to a wraper GUE");
EntireButton.Parent.X.ShouldBe(screenX, "because the EntireButton is attached to this, and should move with this");
EntireButton.Parent.Y.ShouldBe(screenY, "because the EntireButton is attached to this, and should move with this");
GumButtonOnFrbSprite.GetAbsoluteWidth().ShouldBe(100, "because this Gum object gets its width from its parent FRB object");
var gumButtonAsRenderableIpso = (RenderingLibrary.Graphics.IRenderableIpso)GumButtonCenteredOnSprite;
var spriteLeftAbsolute = SpriteWidth100.Left;
MathFunctions.AbsoluteToWindow(spriteLeftAbsolute, Y, Z, ref screenX, ref screenY, FlatRedBall.Camera.Main);
gumButtonAsRenderableIpso.GetAbsoluteLeft().ShouldBe(screenX,
"because the Gum object has its values set to be perfectly centered and sized by the Sprite");
}
public void WorldToLayerCoordinates(float worldX, float worldY, float worldZ, out float xOnLayer, out float yOnLayer)
{
xOnLayer = 0;
yOnLayer = 0;
int screenX = 0;
int screenY = 0;
MathFunctions.AbsoluteToWindow(worldX, worldY, worldZ, ref screenX, ref screenY, SpriteManager.Camera);
if (this.LayerCameraSettings == null)
{
MathFunctions.WindowToAbsolute(screenX, screenY, ref xOnLayer, ref yOnLayer, worldZ, SpriteManager.Camera, Camera.CoordinateRelativity.RelativeToWorld);
}
else
{
float xEdge = 0;
float yEdge = 0;
if (LayerCameraSettings.Orthogonal)
{
xEdge = LayerCameraSettings.OrthogonalWidth / 2.0f;
yEdge = LayerCameraSettings.OrthogonalHeight / 2.0f;
}
else
{
xEdge = (float)(100 * System.Math.Tan(LayerCameraSettings.FieldOfView / 2.0));
// Right now we just assume the same aspect ratio, but we may want the LayerCamerasettings
// to have its own AspectRatio - if so, this needs to be modified
yEdge = (float)(xEdge * SpriteManager.Camera.AspectRatio);
}
Rectangle destinationRectangle;
if (LayerCameraSettings.LeftDestination > 0 && LayerCameraSettings.TopDestination > 0)
{
destinationRectangle = new Rectangle(
MathFunctions.RoundToInt(LayerCameraSettings.LeftDestination),
MathFunctions.RoundToInt(LayerCameraSettings.RightDestination),
MathFunctions.RoundToInt(LayerCameraSettings.RightDestination - LayerCameraSettings.LeftDestination),
MathFunctions.RoundToInt(LayerCameraSettings.BottomDestination - LayerCameraSettings.TopDestination));
}
else
{
destinationRectangle = SpriteManager.Camera.DestinationRectangle;
}
if (LayerCameraSettings.Orthogonal)
{
Camera camera = SpriteManager.Camera;
float top = camera.Y + LayerCameraSettings.OrthogonalHeight / 2.0f;
float left = camera.X - LayerCameraSettings.OrthogonalWidth / 2.0f;
float distanceFromLeft = LayerCameraSettings.OrthogonalWidth * screenX / (float)camera.DestinationRectangle.Width;
float distanceFromTop = -LayerCameraSettings.OrthogonalHeight * screenY / (float)camera.DestinationRectangle.Height;
xOnLayer = left + distanceFromLeft;
yOnLayer = top + distanceFromTop;
}
else
{
MathFunctions.WindowToAbsolute(screenX, screenY,
ref xOnLayer, ref yOnLayer, worldZ,
SpriteManager.Camera.Position,
xEdge,
yEdge,
destinationRectangle,
Camera.CoordinateRelativity.RelativeToWorld);
}
}
}
