Maxluli/Paint2
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The bezier curve generator is now fully functionnal (LETSGOOOOOOOOO)

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Rohmer Maxime
2022-06-01 14:57:51 +02:00
parent 17c4c22781
commit dec7669842
1 changed files with 62 additions and 13 deletions
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69
Paint_2/BezierPencil.cs
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@@ -41,8 +41,9 @@ namespace Paint_2
WidthsRedo = new List<int>();
Name = name;
MessageBox.Show("Lerp test\nTest with start 20;20 and end 40;40 with 0.5f\n result : "+Lerp(new Point(20,20),new Point(40,40),0.5f));
MessageBox.Show("Lerp test\nTest with start 40;40 and end 20;20 with 0.5f\n result : " + Lerp(new Point(40, 40), new Point(20, 20), 0.5f));
//I KNOW I KNOW I LITTERALLY REINVENTED UNIT TEST BUT IF I CREATE SOME I WILL NEED TO DO THEM ALL STOP HARASSING ME
//MessageBox.Show("Lerp Test\nstart = 100;100\nend = 200;200\nt = 0.2\nExpected : 120;120 Actual : "+Lerp(new Point(100,100),new Point(200,200),0.2f));
//MessageBox.Show("Lerp Test\nstart = 200;200\nend = 100;100\nt = 0.2\nExpected : 180;180 Actual : " + Lerp(new Point(200, 200), new Point(100, 100), 0.2f));
}
public void Add(Point point)
{
@@ -90,9 +91,41 @@ namespace Paint_2
{
//float xRatio = Math.Min((float)start.X,end.X) / Math.Max((float)start.X,end.X);
//float yRatio = Math.Min((float)start.Y, end.Y) / Math.Max((float)start.Y, end.Y);
float xDiff = Math.Abs(start.X - end.X);
float yDiff = Math.Abs(start.Y -end.Y);
Point result = new Point(Math.Min(start.X,end.X) + (int)(t *xDiff),Math.Min(start.Y,end.Y) + (int)(t * yDiff));
int xDiff = end.X - start.X;
int yDiff = end.Y - start.Y;
int resultX = start.X + (int)(t * xDiff);
int resultY = start.Y + (int)(t * yDiff);
/*
if (xDiff > 0)
{
//Ex start 100 end 200
resultX = start.X + (int)(t * xDiff);
//resultX = (int)(t * xDiff);
}
else if(xDiff < 0){
//Ex start 200 end 100
resultX = start.X + (int)(t * xDiff);
}
else
{
resultX = 0;
}
if (yDiff > 0)
{
//Ex start 100 end 200
resultY =
}
else if (yDiff < 0)
{
//Ex start 200 end 100
resultY = start.Y + (int)(t * yDiff);
}
else
{
resultY = 0;
}
*/
Point result = new Point(resultX,resultY);
return result;
}
public void Paint(Bitmap canvas)
@@ -129,24 +162,40 @@ namespace Paint_2
gr.DrawLine(new Pen(Colors[i - 3], Widths[i - 3]), p2, p3);
gr.DrawLine(new Pen(Colors[i - 2], Widths[i - 2]), p3, p4);
float t = 0.5f;
//float t = 0.5f;
float precision = 0.01f;
//Drawing
for (float t = 0; t <= 1; t += precision)
{
//float t = 0.2f;
//Drawing the first step of the curve
Point p1_2 = Lerp(p1, p2, t);
Point p2_2 = Lerp(p2, p3, t);
Point p3_2 = Lerp(p3, p4, t);
gr.FillEllipse(new SolidBrush(Color.BlueViolet),new Rectangle(p1_2.X,p1_2.Y,10,10));
//gr.DrawLine(new Pen(GetRandomColor(), Widths[0]), p1_2, p2_2);
//gr.DrawLine(new Pen(GetRandomColor(), Widths[0]), p2_2, p3_2);
gr.DrawLine(new Pen(Color.Pink,10),p1_2,p2_2);
gr.DrawLine(new Pen(Color.Red, 10), p2_2,p3_2);
//Drawing the second step of the curve
Point p1_3 = Lerp(p1_2, p2_2, t);
Point p2_3 = Lerp(p2_2, p3_2, t);
//gr.DrawLine(new Pen(GetRandomColor(), Widths[0]), p1_3, p2_3);
//Drawing the Bezier Point
Point p1_4 = Lerp(p1_3, p2_3, t);
gr.FillEllipse(new SolidBrush(GetRandomColor()), new Rectangle(p1_4.X, p1_4.Y, Widths[0], Widths[0]));
}
}
}
}
}
private Color GetRandomColor()
{
Random rnd = new Random();
return Color.FromArgb(rnd.Next(0,256), rnd.Next(0, 256), rnd.Next(0, 256));
}
public void Start(Color color, int width)
{
Color = color;