public Cone()
{
center = new Point3();
transtelation = 20;
}
public Cylinder()
{
center = new Point3();
transtelation = 20;
}
static public void DrawCone(Point3 center, float height, float radius1, float radius2, int transtelation, Color color, bool drawFaces = true, bool drawFrame = false)
{
MainWindow.gl.MatrixMode(OpenGL.GL_MODELVIEW);
MainWindow.gl.PushMatrix();
MainWindow.gl.Translate(center.x, center.y - height / 2, center.z + radius1);
float division = 2 * (float)Math.PI / transtelation;
POINTFLOAT p1 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(division), y = radius1 * (float)Math.Sin(division)
};
POINTFLOAT p2 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(division * 2), y = radius1 * (float)Math.Sin(division * 2)
};
float radius1Line = (float)Math.Sqrt(Math.Pow(p2.x - p1.x, 2) + Math.Pow(p2.y - p1.y, 2));
float transRadius1 = (float)Math.Sqrt(Math.Pow(radius1, 2) - Math.Pow(radius1Line / 2, 2));
p1 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(division), y = radius2 * (float)Math.Sin(division)
};
p2 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(division * 2), y = radius2 * (float)Math.Sin(division * 2)
};
float radius2Line = (float)Math.Sqrt(Math.Pow(p2.x - p1.x, 2) + Math.Pow(p2.y - p1.y, 2));
float transRadius2 = (float)Math.Sqrt(Math.Pow(radius2, 2) - Math.Pow(radius2Line / 2, 2));
p1 = new POINTFLOAT {
x = 0, y = height
};
p2 = new POINTFLOAT {
x = transRadius1 - transRadius2, y = height
};
float angleX = GetAngleDegrees(p1, p2);
angleX = (radius1 < radius2) ? angleX : -angleX;
POINTFLOAT normVect1, normVect2;
POINTFLOAT p3;
POINTFLOAT plane = new POINTFLOAT {
x = 1, y = 0
};
if (radius1 == 0)
{
p1 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(-Math.PI / 2), y = radius2 * (float)Math.Sin(-Math.PI / 2)
};
p2 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(-Math.PI / 2 + division), y = radius2 * (float)Math.Sin(-Math.PI / 2 + division)
};
p3 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(-Math.PI / 2 + division * 2), y = radius2 * (float)Math.Sin(-Math.PI / 2 + division * 2)
};
}
else
{
p1 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(-Math.PI / 2), y = radius1 * (float)Math.Sin(-Math.PI / 2)
};
p2 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(-Math.PI / 2 + division), y = radius1 * (float)Math.Sin(-Math.PI / 2 + division)
};
p3 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(-Math.PI / 2 + division * 2), y = radius1 * (float)Math.Sin(-Math.PI / 2 + division * 2)
};
}
normVect1 = new POINTFLOAT {
x = p2.x - p1.x, y = p2.y - p1.y
};
normVect2 = new POINTFLOAT {
x = p3.x - p2.x, y = p3.y - p2.y
};
float initialAngleY = GetAngleDegrees(normVect1, plane);
float angleY = GetAngleDegrees(normVect1, normVect2);
POINTFLOAT[] trapezeCoord = new POINTFLOAT[4];
p1 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(division), y = radius1 * (float)Math.Sin(division)
};
p2 = new POINTFLOAT {
x = radius1 * (float)Math.Cos(division * 2), y = radius1 * (float)Math.Sin(division * 2)
};
trapezeCoord[0] = new POINTFLOAT {
x = 0, y = 0
};
trapezeCoord[1] = new POINTFLOAT {
x = (float)Math.Sqrt((float)Math.Pow(p1.x - p2.x, 2) + Math.Pow(p1.y - p2.y, 2)), y = 0
};
p3 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(division), y = radius2 * (float)Math.Sin(division)
};
POINTFLOAT p4 = new POINTFLOAT {
x = radius2 * (float)Math.Cos(division * 2), y = radius2 * (float)Math.Sin(division * 2)
};
float topLength = (float)Math.Sqrt((float)Math.Pow(p3.x - p4.x, 2) + Math.Pow(p3.y - p4.y, 2));
float trapezeHeight = (float)Math.Sqrt((float)Math.Pow(radius1 - radius2, 2) + Math.Pow(height, 2));
trapezeHeight = (float)Math.Sqrt(Math.Pow(height, 2) + Math.Pow(transRadius1 - transRadius2, 2));
trapezeCoord[2] = new POINTFLOAT {
x = (trapezeCoord[1].x - (topLength)) / 2, y = trapezeHeight
};
trapezeCoord[3] = new POINTFLOAT {
x = trapezeCoord[2].x + (topLength), y = trapezeHeight
};
MainWindow.gl.Rotate(initialAngleY, 0, 1, 0);
for (int i = 0; i < transtelation; i++)
{
MainWindow.gl.Rotate(angleX, 1.0f, 0.0f, 0.0f);
DrawTriangle(trapezeCoord[0], trapezeCoord[1], trapezeCoord[2], color, drawFrame);
DrawTriangle(trapezeCoord[3], trapezeCoord[1], trapezeCoord[2], color, drawFrame);
MainWindow.gl.Rotate(-angleX, 1.0f, 0.0f, 0.0f);
MainWindow.gl.Translate(trapezeCoord[1].x, 0, 0);
MainWindow.gl.Rotate(angleY, 0, 1, 0);
}
MainWindow.gl.PopMatrix();
if (drawFaces)
{
MainWindow.gl.PushMatrix();
MainWindow.gl.Translate(center.x, center.y - height / 2, center.z + radius1);
MainWindow.gl.Translate(0, 0, -radius1);
MainWindow.gl.Rotate(-90, 1.0f, 0.0f, 0.0f);
POINTFLOAT center1 = new POINTFLOAT {
x = 0, y = 0
};
DrawCircle(center1, radius1, transtelation, color, drawFrame);
MainWindow.gl.Translate(0.0f, 0.0f, height);
DrawCircle(center1, radius2, transtelation, color, drawFrame);
MainWindow.gl.PopMatrix();
}
}
