/// <summary>
/// Get the Real and the Display locations of an image.
/// </summary>
/// <param name="i">An image of type PictureNode</param>
/// <param name="RealTopLeft">returns the top left world location of this object</param>
/// <param name="RealBottomRight">returns the bottom right world location of this object</param>
/// <param name="DisplayTopLeft">returns the top left location for display</param>
/// <param name="DisplayBottomRight">returns the bottom right location for display</param>
static public void GetProjectedPoint(
IEditorNode i,
ref Point DisplayTopLeft,
ref Point DisplayBottomRight)
{
vec3 topLeft = new vec3(i.RealLocation.X, i.RealLocation.Y, 0);
vec3 bottomRight = new vec3(i.RealLocation.X + i.RealSize.Width, i.RealLocation.Y + i.RealSize.Height, 0);
vec3 screenTopLeft = new vec3();
vec3 screenBottomRight = new vec3();
// generates a new vertex
screenTopLeft = glm.project(
topLeft,
i.GetModel(),
Camera.Instance().GetProjectionView(),
Camera.Instance().GetViewport());
screenBottomRight = glm.project(
bottomRight,
i.GetModel(),
Camera.Instance().GetProjectionView(),
Camera.Instance().GetViewport());
// finds the world location of this object based on the
//Camera.Instance().WorldToPixel(topLeft, bottomRight, ref screenTopLeft, ref screenBottomRight);
DisplayTopLeft = new Point((int)screenTopLeft.x, (int)screenTopLeft.y);
DisplayBottomRight = new Point((int)screenBottomRight.x, (int)screenBottomRight.y);
}
internal static Point ScreenToWorld(Point screenPoint, IEditorNode i)
{
// converts it to vec3
GlmNet.vec3 scrPt = Utilities.PointToVec3(screenPoint);
// project from screen to world location this point, according to the current
// projection_view matrix.
GlmNet.vec3 unprojectedPoint1 = GlmNet.glm.unProject(
scrPt,
i.GetModel(),
Camera.Instance().GetProjectionView(),
Camera.Instance().GetViewport());
// converts to point
return(new Point((int)unprojectedPoint1.x, (int)unprojectedPoint1.y));
}
