private CayleyTree initTree(string recursionDeepth, string mainBranchLength, string rightLenthPer,
string leftLenthPer, string rightAngle, string leftAngle)
{
int Deepth = int.Parse(recursionDeepth);
int Length = int.Parse(mainBranchLength);
double rightPer = double.Parse(rightLenthPer);
double leftPer = double.Parse(leftLenthPer);
double rAngle = double.Parse(rightAngle) * Math.PI / 180;
double lAngle = double.Parse(leftAngle) * Math.PI / 180;
CayleyTree tree = new CayleyTree(Deepth, Length, rightPer, leftPer, rAngle, lAngle);
return(tree);
}
private void drawButton_Click(object sender, EventArgs e)
{
graphics.Clear(BackColor);
graphics = drawPanel.CreateGraphics();
string branchLength = mainBranchText.Text;
string deepth = recursionDeepthText.Text;
string leftPer = leftPerText.Text;
string rightPer = rightPerText.Text;
string rAngle = rightAngleText.Text;
string lAngle = leftAngleText.Text;
int colorNum = penColorList.SelectedIndex;
CayleyTree tree = initTree(deepth, branchLength, rightPer, leftPer, rAngle, lAngle);
DrawCayleyTree(drawPanel.Right / 2, drawPanel.Top, tree, colorNum, Math.PI / 2);
}
public void DrawCayleyTree(int x0, int y0, CayleyTree tree, int colorNum, double th)
{
if (tree.recursionDeepth == 0)
{
return;
}
int x1 = Convert.ToInt32(x0 + tree.mainBranchLength * Math.Cos(tree.leftAngle));
int y1 = Convert.ToInt32(y0 + tree.mainBranchLength * Math.Sin(tree.leftAngle));
int x2 = Convert.ToInt32(x0 + tree.mainBranchLength * Math.Cos(tree.rightAngle));
int y2 = Convert.ToInt32(y0 + tree.mainBranchLength * Math.Sin(tree.rightAngle));
switch (colorNum)
{
case 0: drawOnPanel(0, x0, y0, x1, y1, x2, y2); break;
case 1: drawOnPanel(1, x0, y0, x1, y1, x2, y2); break;
case 2: drawOnPanel(2, x0, y0, x1, y1, x2, y2); break;
case 3: drawOnPanel(3, x0, y0, x1, y1, x2, y2); break;
case 4: drawOnPanel(4, x0, y0, x1, y1, x2, y2); break;
}
int newRecursionDeepth = tree.recursionDeepth - 1;
int newLeftBranchLength = Convert.ToInt32(tree.mainBranchLength * tree.leftLenthPer);
int newRightBranchLength = Convert.ToInt32(tree.mainBranchLength * tree.rightLenthPer);
double newRightPer = tree.rightLenthPer;
double newLeftPer = tree.leftLenthPer;
double newLeftAngle = th + tree.leftAngle;
double newRightAngle = th - tree.rightAngle;
CayleyTree leftTree = new CayleyTree(newRecursionDeepth, newLeftBranchLength, newRightPer,
newLeftPer, newRightAngle, newLeftAngle);
CayleyTree rightTree = new CayleyTree(newRecursionDeepth, newRightBranchLength, newRightPer,
newLeftPer, newRightAngle, newLeftAngle);
DrawCayleyTree(x1, y1, leftTree, colorNum, th);
DrawCayleyTree(x2, y2, rightTree, colorNum, th);
}
