void draw_wings(SKCanvas canvas, List <SKPoint> wing, bool upper_wing = false)
{
List <SKBlendMode> modes = new List <SKBlendMode>()
{
SKBlendMode.ColorBurn, SKBlendMode.Multiply, SKBlendMode.Difference, SKBlendMode.Darken
};
SKBlendMode style = RandomUtility.GetRandomElement <SKBlendMode>(modes);
//canvas.ResetMatrix();
int canvasCacheTag = canvas.Save();
if (upper_wing)
{
canvas.Scale(1, -1);
}
paint.BlendMode = style;
//draw_curve_filled( wing )
SkiaSharpUtility.DrawSplineCurve(canvas, paint, wing, true, SKPathFillType.Winding);
paint.BlendMode = SKBlendMode.Multiply;// BLEND
canvas.Scale(-1, 1);
paint.BlendMode = style;
// draw_curve_filled(wing)
SkiaSharpUtility.DrawSplineCurve(canvas, paint, wing, true, SKPathFillType.Winding);
paint.BlendMode = SKBlendMode.Multiply;// BLEND
//canvas.ResetMatrix();
canvas.RestoreToCount(canvasCacheTag);
}
void draw(SKCanvas canvas)
{
int frameCount = Utility.CreateRandom(1, 499);
int random_seed = (int)(frameCount * 1000000 / (DateTime.Now.Second + 1));
random_seed = getSeed(random_seed);
//helper.set_seed(random_seed)
//blendMode(BLEND)
paint.BlendMode = SKBlendMode.Multiply;
// translate(width / 2, height / 2)
canvas.Translate(w / 2f, h / 2f);
canvas.Save();
int palette_idx = RandomUtility.CreateRandom(0, pal.Count);
var palette = pal[palette_idx];
//range_upper_angles = [x for x in range( int( random( 0, 20 ) ), int( random( 50, 80 ) ), int( random( 7, 20 ) ) )]
//range_lower_angles = [x for x in range( int( random( 0, 20 ) ), int( random( 50, 80 ) ), int( random( 7, 20 ) ) )]
// class range(start, stop[, step])
// 0: start/min, 1: end/max, 2: step
int[] upperSettings = new int[3] {
RandomUtility.CreateRandom(0, 20), RandomUtility.CreateRandom(50, 80), RandomUtility.CreateRandom(7, 20)
};
List <int> range_upper_angles = new List <int>();
for (int i = upperSettings[0]; i < upperSettings[1]; i += upperSettings[2])
{
range_upper_angles.Add(i);
}
int[] lowerSettings = new int[3] {
RandomUtility.CreateRandom(0, 20), RandomUtility.CreateRandom(50, 80), RandomUtility.CreateRandom(7, 20)
};
List <int> range_lower_angles = new List <int>();
for (int i = lowerSettings[0]; i < lowerSettings[1]; i += lowerSettings[2])
{
range_lower_angles.Add(i);
}
//range_upper_radii = [width * 0.2, width * 0.45]
//range_lower_radii = [width * 0.2, width * 0.3]
//SKPoint range_upper_radii = new SKPoint( w * 0.2f, w * 0.45f );
//SKPoint range_lower_radii = new SKPoint( w * 0.2f, w * 0.3f );
int num_layers = 10;
string lines = RandomUtility.GetRandomElement <string>(availableLines);
// curveTightness(random(-2, 0.6))
DrawUpperWings(canvas, palette, num_layers, lines, range_upper_angles);
var lastPalette = DrawLowerWings(canvas, palette, lines, range_lower_angles);
var lastUpperAngle = range_upper_angles[range_upper_angles.Count - 1];
lastPalette = RandomUtility.GetRandomElement <SKColor>(palette);
DrawAntennaeAndBody(canvas, lastUpperAngle, lastPalette);
}
void draw(SKCanvas canvas)
{
float current_x = w / 2.0f - grid_x_pixels / 2.0f + 10;
float current_y = h / 2.0f - grid_y_pixels / 2.0f + body_height - 10;
var pc = RandomUtility.GetRandomElement <SKColor>(colors);
double inc = .2f * 255; // 255 * RandomUtility.CreateRandom( 0.2, 1 ); //
var dc = SkiaSharpUtility.CreateRGBColor((byte)(pc.Red - inc), (byte)(pc.Green - inc), (byte)(pc.Blue - inc));
drawBird(canvas, current_x, current_y, pc, bc, dc);
}
SKPoint draw_bird_body(SKCanvas canvas, float x, float y, SKColor pc, SKColor bc, SKColor dc)
{
// stroke(*dc)
float body_bottom = y - feet_length / 2.0f;
SKPoint body_one = new SKPoint(x - feet_length * 2.0f, body_bottom);
SKPoint body_two = new SKPoint(x + feet_length * 1.5f, body_bottom);
SKPoint body_three = new SKPoint(x + feet_length * 2.1f, body_bottom - body_height);
SKPoint body_four = new SKPoint(x, body_bottom - body_height * 1.3f);
SKPoint left_midpoint = new SKPoint((body_four.X + body_one.X) / 2, (body_four.Y + body_one.Y) / 2);
SKPoint top_midpoint = new SKPoint((body_four.X + body_three.X) / 2, (body_four.Y + body_three.Y) / 2);
SKPoint right_midpoint = new SKPoint((body_two.X + body_three.X) / 2, (body_two.Y + body_three.Y) / 2);
SKPoint bottom_midpoint = new SKPoint((body_one.X + body_two.X) / 2, (body_one.Y + body_two.Y) / 2);
//SKPoint true_midpoint = new SKPoint( ( left_midpoint.X + right_midpoint.X ) / 2, ( left_midpoint.Y + right_midpoint.Y ) / 2 );
List <SKPoint> body_points = new List <SKPoint>()
{
body_one, body_three, body_four, left_midpoint, top_midpoint, bottom_midpoint
};
//fill( *bc )
//beginShape()
var pathBody = new SKPath {
FillType = SKPathFillType.EvenOdd
};
pathBody.MoveTo(body_one);
pathBody.LineTo(body_two);
pathBody.LineTo(body_three);
pathBody.LineTo(body_four);
pathBody.Close();
SkiaSharpUtility.PathStroke(canvas, paint, dc, pathBody);
SkiaSharpUtility.PathFill(canvas, paint, bc, pathBody);
//endShape(CLOSE)
int range = RandomUtility.CreateRandom(1, 4);
for (int i = 0; i < range; i++)
{
var point_one = RandomUtility.GetRandomElement(body_points);
var point_two = RandomUtility.GetRandomElement(body_points);
var point_three = RandomUtility.GetRandomElement(body_points);
//var point_four = RandomUtility.GetRandomElement( body_points );
// fill(pc[0], pc[1], pc[2])
//beginShape()
var path = new SKPath {
FillType = SKPathFillType.EvenOdd
};
path.MoveTo(point_one);
path.LineTo(point_two);
path.LineTo(point_three);
path.Close();
SkiaSharpUtility.PathStroke(canvas, paint, dc, path);
SkiaSharpUtility.PathFill(canvas, paint, pc, path);
//endShape(CLOSE)
if (RandomUtility.CreateRandom() < 0.5)
{
draw_lines(canvas, body_points, dc);
}
} // for
head_x = x + feet_length;
head_y = body_bottom - body_height * 1.1f;
return(body_one);
}
SKColor DrawLowerWings(SKCanvas canvas, List <SKColor> palette, string lines, List <int> range_lower_angles)
{
SKPoint origin = new SKPoint(0, 0);
List <byte> random2Bytes = new List <byte>()
{
0, 60
};
SKColor p = SKColors.Transparent;
for (int i = 0; i < 11; i++)
{
switch (lines)
{
case "none":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "all":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "outer":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "some":
// stroke(0, 0, 0, helper.random_list_value([0, 60]))
byte randomByte = RandomUtility.GetRandomElement(random2Bytes);
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, randomByte);
break;
}
//p = palette[int(random(0, len(palette)))]
p = RandomUtility.GetRandomElement <SKColor>(palette);
if (i == 3 || i == 6)
{
// fill(0, 0, 100, 100)
ProcessingSkiaSharp.fill(paint, 0, 0, 100, 100);
}
else
{
//fill(p[0], p[1], p[2], 20)
ProcessingSkiaSharp.fill(paint, p.Red, p.Green, p.Blue, 20);
}
List <SKPoint> wing = new List <SKPoint>()
{
origin
};
foreach (int angle in range_lower_angles)
{
// circle_points_list(random(0, width * 0.01), random(0, height * 0.01), random( width * 0.15, width * 0.3 ), radians( random( angle - 7, angle ) )))
float randomAngle = RandomUtility.CreateRandom(angle - 7, angle);
var cp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.15f, w * 0.3f),
(float)ProcessingSkiaSharp.radians(randomAngle));
wing.Add(cp);
}
float tmpRangle = RandomUtility.CreateRandom(73, 87);
var tmpCp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.15f, w * 0.3f),
(float)ProcessingSkiaSharp.radians(tmpRangle));
wing.Add(tmpCp);
draw_wings(canvas, wing);
} // for (int i = 0; i< 11
for (int i = 0; i < 11; i++)
{
switch (lines)
{
case "none":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "all":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "outer":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "some":
// stroke(0, 0, 0, helper.random_list_value([0, 60]))
byte randomByte = RandomUtility.GetRandomElement(random2Bytes);
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, randomByte);
break;
}
//p = palette[int(random(0, len(palette)))]
p = RandomUtility.GetRandomElement <SKColor>(palette);
if (i == 3 || i == 6)
{
// fill(0, 0, 100, 100)
ProcessingSkiaSharp.fill(paint, 0, 0, 100, 100);
}
else
{
//fill(p[0], p[1], p[2], 20)
ProcessingSkiaSharp.fill(paint, p.Red, p.Green, p.Blue, 20);
}
List <SKPoint> wing = new List <SKPoint>()
{
origin
};
foreach (int angle in range_lower_angles)
{
// circle_points_list(random(0, width * 0.01), random(0, height * 0.01), random( width * 0.05, width * 0.2 ), radians( random( angle - 7, angle ) )))
float randomAngle = RandomUtility.CreateRandom(angle - 7, angle);
var cp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.05f, w * 0.2f),
(float)ProcessingSkiaSharp.radians(randomAngle));
wing.Add(cp);
}
float tmpRangle = RandomUtility.CreateRandom(73, 87);
var tmpCp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.05f, w * 0.2f),
(float)ProcessingSkiaSharp.radians(tmpRangle));
wing.Add(tmpCp);
draw_wings(canvas, wing);
} // for (int i = 0; i< 11
return(p);
}
void DrawUpperWings(SKCanvas canvas, List <SKColor> palette, int num_layers, string lines, List <int> range_upper_angles)
{
SKPoint origin = new SKPoint(0, 0);
List <byte> random2Bytes = new List <byte>()
{
0, 60
};
//List<List<SKPoint>> upper_wing = new List<List<SKPoint>>();
//for (int i = 0; i < num_layers; i++) {
// //List<SKPoint> points
// //upper_wing.Add
//} // for (int i = 0; i < num_layers
for (int i = 0; i < 7; i++)
{
switch (lines)
{
case "none":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "all":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "outer":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "some":
// stroke(0, 0, 0, helper.random_list_value([0, 60]))
byte randomByte = RandomUtility.GetRandomElement(random2Bytes);
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, randomByte);
break;
}
//p = palette[int(random(0, len(palette)))]
if (i == 3 || i == 6)
{
// fill(0, 0, 100, 100)
ProcessingSkiaSharp.fill(paint, 0, 0, 100, 100);
}
else
{
var p = RandomUtility.GetRandomElement <SKColor>(palette);
//fill(p[0], p[1], p[2], 20)
ProcessingSkiaSharp.fill(paint, p.Red, p.Green, p.Blue, 20);
}
List <SKPoint> wing = new List <SKPoint>()
{
origin
};
foreach (int angle in range_upper_angles)
{
// circle_points_list(random(0, width * 0.01), random(0, height * 0.01), random( width * 0.2, width * 0.4 ), radians( random( angle - 7, angle ) )
float randomAngle = RandomUtility.CreateRandom(angle - 7, angle);
var cp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.2f, w * 0.4f),
(float)ProcessingSkiaSharp.radians(randomAngle));
wing.Add(cp);
}
draw_wings(canvas, wing, true);
} // for (int i = 0; i< 7
for (int i = 0; i < 7; i++)
{
switch (lines)
{
case "none":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "all":
// stroke(0, 0, 0, 60)
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, 60);
break;
case "outer":
// noStroke()
ProcessingSkiaSharp.noStroke(paint);
break;
case "some":
// stroke(0, 0, 0, helper.random_list_value([0, 60]))
byte randomByte = RandomUtility.GetRandomElement(random2Bytes);
ProcessingSkiaSharp.stroke(paint, 0, 0, 0, randomByte);
break;
}
//p = palette[int(random(0, len(palette)))]
if (i == 3 || i == 6)
{
// fill(0, 0, 100, 100)
ProcessingSkiaSharp.fill(paint, 0, 0, 100, 100);
}
else
{
var p = RandomUtility.GetRandomElement <SKColor>(palette);
//fill(p[0], p[1], p[2], 20)
ProcessingSkiaSharp.fill(paint, p.Red, p.Green, p.Blue, 20);
}
List <SKPoint> wing = new List <SKPoint>()
{
origin
};
foreach (int angle in range_upper_angles)
{
// circle_points_list(random(0, width * 0.01), random(0, height * 0.01), random( width * 0.2, width * 0.4 ), radians( random( angle - 7, angle ) )
float randomAngle = RandomUtility.CreateRandom(angle - 7, angle);
var cp = circle_points_list(RandomUtility.CreateRandom(0, w * 0.01f),
RandomUtility.CreateRandom(0, h * 0.01f),
RandomUtility.CreateRandom(w * 0.1f, w * 0.2f),
(float)ProcessingSkiaSharp.radians(randomAngle));
wing.Add(cp);
}
draw_wings(canvas, wing, true);
} // for (int i = 0; i< 7
}
