public Vector2i ToPixelPosition(Vector2f canvasPosition)
{
Vector2f v = Vector2f.ComponentDivision(canvasPosition, root.unitSize);
v = Vector2f.ComponentMultiply(v, new Vector2f(root.viewport.Dimensions.X, root.viewport.Dimensions.Y));
return(new Vector2i((int)(v.X + 0.5f), (int)(v.Y + 0.5f)));
}
/// <summary>
/// Converts pixel coordinates to canvas coordinates.
/// </summary>
/// <param name="canvas"></param>
/// <param name="pixel"></param>
/// <returns></returns>
public static Vector2f PixelToCanvas(ICanvas canvas, Vector2f pixel)
{
Vector2i ps = canvas.CanvasPixelSize;
return(Vector2f.ComponentDivision(
Vector2f.ComponentMultiply(pixel, canvas.CanvasUnitSize),
new Vector2f(ps.X, ps.Y)));
}
public Vector2f ToCanvasPosition(Vector2i pixelPosition)
{
Vector2f v = Vector2f.ComponentDivision(
new Vector2f((float)pixelPosition.X, (float)pixelPosition.Y),
new Vector2f((float)root.viewport.Width, (float)root.viewport.Height));
return(Vector2f.ComponentMultiply(v, root.unitSize));
}
/// <summary>
/// Calculates mouse sensitivity.
/// </summary>
/// <param name="canvas"></param>
/// <returns></returns>
public Vector2f CalcMouseSensitivity(ICanvas canvas)
{
Vector2i ps = canvas.CanvasPixelSize;
return(mouseSensitivity.CanvasCoordinates +
Vector2f.ComponentDivision(Vector2f.ComponentMultiply(mouseSensitivity.PixelCoordinates,
canvas.CanvasUnitSize), new Vector2f(ps.X, ps.Y)));
}
public Vector2f ToConvasPosition(ICanvas canvas, IPositionable parentElement)
{
Vector2f leftBottom, rightTop;
parentElement.GetBoundingBox(out leftBottom, out rightTop);
// We now construct canvas position.
return(leftBottom + Vector2f.ComponentMultiply(parentCoordinates, (rightTop - leftBottom)) +
canvasCoordinates + PixelToCanvas(canvas, pixelCoordinates));
}