void drawGrid(Camera camera)
{
_game.SpriteBatch.Begin( );
int max = Constants.Instance.GridNumberOfGridLines / 2;
Color gridColor = Constants.Instance.GridColor;
int thickness = Constants.Instance.GridLineThickness;
for (int x = 0; x <= max; x++)
{
float gridSpacingX = Constants.Instance.GridSpacing.X;
Vector2 start = Vector2.Transform(new Vector2(x, -max) * gridSpacingX, camera.Matrix);
Vector2 end = Vector2.Transform(new Vector2(x, max) * gridSpacingX, camera.Matrix);
_drawing.DrawLine(_game.SpriteBatch, start, end, gridColor, thickness);
start = Vector2.Transform(new Vector2(-x, -max) * gridSpacingX, camera.Matrix);
end = Vector2.Transform(new Vector2(-x, max) * gridSpacingX, camera.Matrix);
_drawing.DrawLine(_game.SpriteBatch, start, end, gridColor, thickness);
}
for (int y = 0; y <= max; y++)
{
float gridSpacingY = Constants.Instance.GridSpacing.Y;
Vector2 start = Vector2.Transform(new Vector2(-max, y) * gridSpacingY, camera.Matrix);
Vector2 end = Vector2.Transform(new Vector2(max, y) * gridSpacingY, camera.Matrix);
_drawing.DrawLine(_game.SpriteBatch, start, end, gridColor, thickness);
start = Vector2.Transform(new Vector2(-max, -y) * gridSpacingY, camera.Matrix);
end = Vector2.Transform(new Vector2(max, -y) * gridSpacingY, camera.Matrix);
_drawing.DrawLine(_game.SpriteBatch, start, end, gridColor, thickness);
}
_game.SpriteBatch.End( );
}
public void DrawLine(Graphics graphics, Color color, PointF startPoint, PointF endPoint)
{
_drawing?.DrawLine(graphics, color, startPoint, endPoint);
}
void IDrawing.DrawLine(params Point[] points)
{
var mapped = points.Select(p => MapPoint(p)).ToArray();
drawing.DrawLine(mapped);
}
