public override void DrawArc(RectangleF rect, float angle, float sweep, Color color, bool close, float thickness)
{
PreparePaint(skPaint);
skPaint.Color = color.ToSkia();
skPaint.IsStroke = true;
skPaint.StrokeWidth = thickness;
skCanvas.DrawArc(rect.ToSkia(), angle, sweep, close, skPaint);
}
void draw_bird_head(SKCanvas canvas, SKColor pc, SKColor dc)
{
paint.Style = SKPaintStyle.StrokeAndFill;
paint.Color = SKColors.White;
canvas.DrawCircle(head_x, head_y, head_radius, paint);
if (RandomUtility.CreateRandom() < arc_chance)
{
paint.Style = SKPaintStyle.Fill;
paint.Color = pc;
// arc(head_x, head_y, head_size, head_size, random(.7, 1)*PI, 1.8*PI, PIE);
double startAngle = RandomUtility.CreateRandom(0.7, 1) * Math.PI;
double sweepAngle = 1.8 * Math.PI;
canvas.DrawArc(new SKRect(head_x, head_y, head_x + head_radius, head_y + head_radius), (float)startAngle, (float)sweepAngle, true, paint);
}
paint.Color = dc;
if (RandomUtility.CreateRandom() < head_fill_chance)
{
paint.Style = SKPaintStyle.StrokeAndFill;
}
else
{
paint.Style = SKPaintStyle.Stroke;
}
canvas.DrawCircle(head_x, head_y, head_radius, paint);
}
private void DrawArc(SKCanvas canvas, CoreCircle circle, Func <float> progress, float strokewidth, SKColor color)
{
var angle = progress.Invoke() * 3.6f;
canvas.DrawArc(circle.Rect, 180, angle, false,
new SKPaint()
{
StrokeWidth = strokewidth, Color = color, IsStroke = true, StrokeCap = SKStrokeCap.Round
});
}