private void SetPoint(RenderedPolygon renderedPolygon, Vector2F point, float size, Color color)
{
Span <Vector2F> points = stackalloc Vector2F[4];
points[0] = point + new Vector2F(-1f, -1f) * size / 2f;
points[1] = point + new Vector2F(1f, -1f) * size / 2f;
points[2] = point + new Vector2F(1f, 1f) * size / 2f;
points[3] = point + new Vector2F(-1f, 1f) * size / 2f;
Engine.Vector2FArrayCache.FromSpan(points);
renderedPolygon.CreateVertexesByVector2F(Engine.Vector2FArrayCache);
renderedPolygon.OverwriteVertexesColor(color);
renderedPolygon.SetDefaultIndexBuffer();
}
private void SetPoint(RenderedPolygon renderedPolygon, Vector2F point, float size, Color color)
{
Span <Vector2F> points = stackalloc Vector2F[4];
points[0] = point + new Vector2F(-1f, -1f) * size / 2f;
points[1] = point + new Vector2F(1f, -1f) * size / 2f;
points[2] = point + new Vector2F(1f, 1f) * size / 2f;
points[3] = point + new Vector2F(-1f, 1f) * size / 2f;
var array = Vector2FArray.Create(points);
renderedPolygon.CreateVertexesByVector2F(array);
renderedPolygon.OverwriteVertexesColor(color);
}
private void SetLine(RenderedPolygon renderedPolygon, Vector2F point1, Vector2F point2, Color color)
{
Span <Vector2F> positions = stackalloc Vector2F[4];
var vec = point2 - point1;
var side = new Vector2F(vec.Y, -vec.X).Normal;
positions[0] = point1 - side;
positions[1] = point1 + side;
positions[2] = point2 + side;
positions[3] = point2 - side;
Engine.Vector2FArrayCache.FromSpan(positions);
renderedPolygon.CreateVertexesByVector2F(Engine.Vector2FArrayCache);
renderedPolygon.OverwriteVertexesColor(color);
renderedPolygon.SetDefaultIndexBuffer();
}
//internal void Update()
//{
// var origin = _TransformNode.Position;
// UpdateSizeBox(origin);
// UpdatePivot();
// UpdateMargin(origin);
// UpdateAnchors();
//}
//private void UpdateSizeBox(Vector2F origin)
//{
// var points = new Vector2F[4];
// points[0] = origin + new Vector2F();
// points[1] = origin + new Vector2F(_TransformNode.Size.X, 0);
// points[2] = origin + _TransformNode.Size;
// points[3] = origin + new Vector2F(0, _TransformNode.Size.Y);
// for (int i = 0; i < points.Length; i++)
// {
// var point1 = points[i];
// var point2 = points[(i + 1) % points.Length];
// SetLine(_SizeBoxLines[i], point1, point2, new Color(255, 128, 0));
// }
//}
//private void UpdatePivot()
//{
// SetPoint(_PivotBox, _TransformNode.Position, 5f, new Color(255, 128, 0));
//}
//private void UpdateMargin(Vector2F origin)
//{
// var ancestorSize = GetAncestorSize();
// SetLine(_LeftTop,
// ancestorSize * _TransformNode.AnchorMin,
// origin, new Color(255, 100, 100));
// SetLine(_RightBottom,
// ancestorSize * _TransformNode.AnchorMax,
// origin + _TransformNode.Size, new Color(100, 100, 255));
//}
//private void UpdateAnchors()
//{
// var ancestorSize = GetAncestorSize();
// SetPoint(_AnchorMin, ancestorSize * _TransformNode.AnchorMin, 4, new Color(255, 0, 0));
// SetPoint(_AnchorMax, ancestorSize * _TransformNode.AnchorMax, 4, new Color(0, 0, 255));
//}
private void SetLine(RenderedPolygon renderedPolygon, Vector2F point1, Vector2F point2, Color color)
{
Span <Vector2F> positions = stackalloc Vector2F[4];
var vec = point2 - point1;
var side = new Vector2F(vec.Y, -vec.X).Normal;
positions[0] = point1 - side;
positions[1] = point1 + side;
positions[2] = point2 + side;
positions[3] = point2 - side;
var array = Vector2FArray.Create(positions);
renderedPolygon.CreateVertexesByVector2F(array);
renderedPolygon.OverwriteVertexesColor(color);
}