public void drawEquation()
{
_3DPoint previousPoint = new _3DPoint();
previousPoint.z = -1000;
for (int i = 0; i < P.Length; i++)
{
if (P[i].z > previousPoint.z)
{
previousPoint = P[i];
}
}
Graphics g = this.CreateGraphics();
Font myFont = new Font(FontFamily.GenericMonospace, 15);
Brush b = new SolidBrush(Color.YellowGreen);
if (radioButton1.Checked)
{
g.DrawString("4sin((x^2 +y^2)^1/2)/(x^2 + y^2)^1/2)", myFont, b, new PointF(previousPoint.x, previousPoint.y));
}
else if (radioButton2.Checked)
{
g.DrawString("x^2+y^2", myFont, b, new PointF(previousPoint.x, previousPoint.y));
}
}
public _3DPoint(_3DPoint p)
{
this.x = p.x;
this.y = p.y;
this.z = p.z;
this.c = p.c;
}
public void initializePoints(int size)
{
if (!radioButton4.Checked)
{
P = new _3DPoint[(2 * size) * (2 * size) * 5 * 5];
double xCount = -size;
double yCount = -size;
_3DPoint.inMiddle = 60 * (int)Math.Pow(4 * (size + size), 2) / P.Length;
for (int i = 0; i < P.Length && xCount < size; i += 1)
{
P[i] = new _3DPoint();
P[i].x = (float)xCount;
P[i].y = (float)yCount;
P[i].z = equation(P[i].x, P[i].y);
P[i].calculateColor();
yCount = Math.Round(yCount, 1);
if (yCount == size)
{
yCount = -size;
xCount += 0.2;
}
else
{
yCount += 0.2;
}
}
}
else
{
P = new _3DPoint[8];
P[0] = new _3DPoint(); P[0].x = 1; P[0].y = -1; P[0].z = -1;
P[1] = new _3DPoint(); P[1].x = 1; P[1].y = -1; P[1].z = 1;
P[2] = new _3DPoint(); P[2].x = 1; P[2].y = 1; P[2].z = -1;
P[3] = new _3DPoint(); P[3].x = 1; P[3].y = 1; P[3].z = 1;
P[4] = new _3DPoint(); P[4].x = -1; P[4].y = -1; P[4].z = -1;
P[5] = new _3DPoint(); P[5].x = -1; P[5].y = -1; P[5].z = 1;
P[6] = new _3DPoint(); P[6].x = -1; P[6].y = 1; P[6].z = -1;
P[7] = new _3DPoint(); P[7].x = -1; P[7].y = 1; P[7].z = 1;
for (int i = 0; i < 8; i++)
{
P[i].c = Color.White;
}
//FindAllProximity();
}
}
//MAYBE LATER
//if ((locations[x].y != int.Parse(textBox1.Text)) && (x + 1 < locations.Length))
// {
// g.DrawLine(p,new PointF(locations[x].x, locations[x].y), new PointF(locations[x + 1].x, locations[x + 1].y)
// }
//double Pd = 1000;
// PointF nearestPoint = new PointF();
// for (int i = 0; i < locations.Length; i++)
// {
// if (locations[i] != locations[x])
// {
// double d = Math.Sqrt(Math.Pow(locations[x].x - locations[i].x, 2) + Math.Pow(locations[x].y - locations[i].y, 2));
// if(d < Pd)
// {
// nearestPoint = new PointF(20 * locations[i].x + center.X, 20 * locations[i].y + center.Y);
// }
// Pd = d;
// }
// }
// PointF drawTo = new PointF(20 * locations[x].x + center.X, 20 * locations[x].y + center.Y);
// g.DrawLine(p, drawTo, nearestPoint);
public _3DPoint[] multiplyMartix(_3DPoint[] P, double[][] R)
{
_3DPoint[] newMatrix = new _3DPoint[P.Length];
for (int i = 0; i < newMatrix.Length; i++)
{
//if (P[i] != null)
//{
newMatrix[i] = new _3DPoint();
newMatrix[i].x = (float)(P[i].x * R[0][0] + P[i].y * R[0][1] + P[i].z * R[0][2]); //new x value
newMatrix[i].y = (float)(P[i].x * R[1][0] + P[i].y * R[1][1] + P[i].z * R[1][2]); //new y value
newMatrix[i].z = (float)(P[i].x * R[2][0] + P[i].y * R[2][1] + P[i].z * R[2][2]);
newMatrix[i].c = P[i].c;
newMatrix[i].proximity = P[i].proximity;
// }
}
return(newMatrix);
}