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);
}
void draw_bird_tail(SKCanvas canvas, SKPoint body_one, SKColor pc, SKColor dc)
{
if (RandomUtility.CreateRandom() < tail_chance)
{
//stroke(*dc)
//fill( *pc )
int var_width = RandomUtility.CreateRandom(15, 30);
int var_x = RandomUtility.CreateRandom(-25, -15);
int var_y = RandomUtility.CreateRandom(-50, -30);
if (RandomUtility.CreateRandom() < 0.3)
{
var_y *= -1;
}
//beginShape()
var path = new SKPath {
FillType = SKPathFillType.EvenOdd
};
path.MoveTo(body_one.X, body_one.Y);
path.LineTo(body_one.X + var_width, body_one.Y);
path.LineTo(body_one.X + var_width + var_x, body_one.Y + var_y);
path.LineTo(body_one.X + var_x, body_one.Y + var_y);
path.Close();
SkiaSharpUtility.PathStroke(canvas, paint, dc, path);
SkiaSharpUtility.PathFill(canvas, paint, pc, path);
//endShape(CLOSE)
}
}
List <SKPoint> get_16_points(float x, float y, float w, float h)
{
float squeeze = RandomUtility.CreateRandom(-w * 0.2f, w * 0.2f);
List <SKPoint> points = new List <SKPoint>();
points.Add(new SKPoint(x, y));
points.Add(new SKPoint(x + w * 0.25f, y));
points.Add(new SKPoint(x + w * 0.5f, y - h * 0.05f));
points.Add(new SKPoint(x + w * 0.75f, y));
points.Add(new SKPoint(x + w, y));
points.Add(new SKPoint(x + w, y + h * 0.25f));
points.Add(new SKPoint(x + w + squeeze, y + h * 0.5f));
points.Add(new SKPoint(x + w, y + h * 0.75f));
points.Add(new SKPoint(x + w, y + h));
points.Add(new SKPoint(x + w * 0.75f, y + h));
points.Add(new SKPoint(x + w * 0.5f, y + h));
points.Add(new SKPoint(x + w * 0.25f, y + h));
points.Add(new SKPoint(x, y + h));
points.Add(new SKPoint(x, y + h * 0.75f));
points.Add(new SKPoint(x - squeeze, y + h * 0.5f));
points.Add(new SKPoint(x, y + h * 0.25f));
points.RemoveAt(12);
points.RemoveAt(8);
points.RemoveAt(4);
points.RemoveAt(0);
points.Add(new SKPoint(x + w * 0.25f, y));
return(points);
}
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_bird_beak(SKCanvas canvas, SKColor pc, SKColor bc, SKColor dc)
{
int y_variance = RandomUtility.CreateRandom(10, 40);
int length_variance = RandomUtility.CreateRandom(50, 100);
var p1 = new SKPoint(head_x, head_y - y_variance);
var p2 = new SKPoint(head_x, head_y + y_variance);
var p3 = new SKPoint(head_x + length_variance, head_y);
paint.Style = SKPaintStyle.Stroke;
paint.Color = dc;
SkiaSharpUtility.DrawTriangle(canvas, paint, p1, p2, p3);
paint.Style = SKPaintStyle.Fill;
paint.Color = RandomUtility.CreateRandom() < body_fill_chance ? pc : bc;
SkiaSharpUtility.DrawTriangle(canvas, paint, p1, p2, p3);
}
int getSeed(int random_seed = 0)
{
int max_seed = 1000000;
if (random_seed == 0)
{
return(RandomUtility.CreateRandom(0, max_seed));
}
if (random_seed < max_seed)
{
return(random_seed);
}
else
{
return(random_seed % max_seed);
}
}
void draw_lines(SKCanvas canvas, List <SKPoint> point_list, SKColor color)
{
var p1 = RandomUtility.PopRandomElement(point_list);
var p2 = RandomUtility.PopRandomElement(point_list);
var p3 = RandomUtility.PopRandomElement(point_list);
int lines = RandomUtility.CreateRandom(min_shape_lines, max_shape_lines);
float first_x_adj = 1;
if (p3.X - p1.X == 0)
{
first_x_adj = 1;
}
else
{
first_x_adj = (p3.X - p1.X) / Math.Abs(p3.X - p1.X);
}
float first_y_adj = 1;
if (p3.Y - p1.Y == 0)
{
first_y_adj = 1;
}
else
{
first_y_adj = (p3.Y - p1.Y) / Math.Abs(p3.Y - p1.Y);
}
double first_x_sep = Math.Sqrt(Math.Pow(p1.X - p3.X, 2)) / lines * first_x_adj;
double first_y_sep = Math.Sqrt(Math.Pow(p1.Y - p3.Y, 2)) / lines * first_y_adj;
float second_x_adj = 1;
if (p3.X - p2.X == 0)
{
second_x_adj = 1;
}
else
{
second_x_adj = (p3.X - p2.X) / Math.Abs(p3.X - p2.X);
}
float second_y_adj = 1;
if (p3.Y - p2.Y == 0)
{
second_y_adj = 1;
}
else
{
second_y_adj = (p3.Y - p2.Y) / Math.Abs(p3.Y - p2.Y);
}
double second_x_sep = Math.Sqrt(Math.Pow(p2.X - p3.X, 2)) / lines * second_x_adj;
double second_y_sep = Math.Sqrt(Math.Pow(p2.Y - p3.Y, 2)) / lines * second_y_adj;
paint.Color = color;
for (int i = 0; i < lines; i++)
{
float x1 = (float)(p1.X + first_x_sep * i);
float y1 = (float)(p1.Y + first_y_sep * i);
float x2 = (float)(p2.X + second_x_sep * i);
float y2 = (float)(p2.Y + second_y_sep * i);
canvas.DrawLine(x1, y1, x2, y2, paint);
}
}
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);
}
void DrawAntennaeAndBody(SKCanvas canvas, int lastUpperAngle, SKColor palette)
{
paint.StrokeWidth = w * 0.002f;
var body = get_16_points(-w * 0.015f, -h * 0.15f,
w * 0.03f, h * 0.5f);
//curveTightness(0)
// Body
// x: Clear, DstATop, DstOver
paint.BlendMode = SKBlendMode.SrcOver;
//fill( 0, 0, 100 )
//noStroke()
//ProcessingSkiaSharp.fill( paint, SKColor.FromHsv( 0, 0, 100 ) );
ProcessingSkiaSharp.strokeAndFill(paint, new SKColor(255, 255, 255, 255));
draw_16_points(canvas, body);
// Antennae
paint.BlendMode = SKBlendMode.Multiply;
List <SKPoint> antennae = new List <SKPoint>();
int max = RandomUtility.CreateRandom(3, 8);
for (int i = 0; i < max; i++)
{
float x = body[0].X;
float y = body[0].Y;
float r = RandomUtility.CreateRandom(h * 0.1f, h * 0.3f);
//a = random(range_upper_angles[-1] * 1.2, 80)
float a = RandomUtility.CreateRandom(lastUpperAngle * 1.2f, 80);
double radians = ProcessingSkiaSharp.radians(a);
var pt = circle_points(x, y, r, (float)radians);
antennae.Add(pt);
}
//antennae.Add( antennae[0] );
List <float> curve_tightness = new List <float>();
foreach (var a in antennae)
{
curve_tightness.Add(RandomUtility.CreateRandom(-2, 0.8f));
}
//pushStyle()
//pushMatrix()
//canvas.ResetMatrix();
int canvasCacheTag = canvas.Save();
float randomDY = RandomUtility.CreateRandom(h * 0.24f, h * 0.26f);
canvas.Translate(0, -randomDY);
ProcessingSkiaSharp.noFill(paint);
//strokeWeight(width * 0.001)
//paint.StrokeWidth = w * 0.001f;
//stroke( p[0], p[1], 25 )palette
//ProcessingSkiaSharp.stroke( paint, palette.Red, palette.Green, 25 );
ProcessingSkiaSharp.stroke(paint, new SKColor(palette.Red, palette.Green, 25));
//int alpha = RandomUtility.CreateRandom( 80, 230 );
//ProcessingSkiaSharp.stroke( paint, palette.Red, palette.Green, palette.Blue, (byte)alpha );
canvas.Scale(1, -1);
drawAntennae(canvas, body, antennae);
canvas.Scale(-1, 1);
drawAntennae(canvas, body, antennae);
//canvas.ResetMatrix();
canvas.RestoreToCount(canvasCacheTag);
}
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
}