protected override void Animate(int frameNumber)
{
time = frameNumber;
xPos = v * Math.Cos(theta) * Math.Cos(phi) * time;
yPos = v * Math.Cos(theta) * Math.Sin(phi) * time;
zPos = v * Math.Sin(theta) * time + a * time * time;
vp.xPos = xPos;
vp.yPos = yPos;
vp.zPos = zPos;
double vXY = v * Math.Cos(theta);
double vZ = v * Math.Sin(theta) + a * time * 2;
alpha = -Utility.RadToDeg(Math.Atan(vZ / vXY));
tip = new Point3D(0, 0, 14); // rocket tip's location
Translation t1 = new Translation(xPos, yPos, zPos);
devDept.Geometry.Rotation t2 = new devDept.Geometry.Rotation(Utility.DegToRad(alpha + 90), new Vector3D(-Math.Sin(phi), Math.Cos(phi), 0));
tip.TransformBy(t1 * t2);
}
protected override void OnContentRendered(EventArgs e)
{
// adjusts grid extents ad step
model1.GetGrid().Max = new Point3D(200, 200);
model1.GetGrid().Step = 25;
int nArrows = 13;
int arcRadius = 100;
double arcSpan = 120;
// adds the arc
model1.Entities.Add(
new Arc(
Point3D.Origin,
arcRadius,
Utility.DegToRad(340), Utility.DegToRad(340 + 150)
));
for (int i = 0; i < nArrows; i++)
{
// angle in rad
double radAngle = Utility.DegToRad(arcSpan * i / nArrows);
// Creates a mesh with the arrow shape
Mesh m = Mesh.CreateArrow(4, 100 - i * 4, 8, 24, 16, Mesh.natureType.Smooth);
m.EdgeStyle = Mesh.edgeStyleType.Sharp;
// Translation transformation
Translation tra = new Translation(arcRadius * Math.Cos(radAngle), arcRadius * Math.Sin(radAngle), 0);
// Rotation transformation
devDept.Geometry.Rotation rot = new devDept.Geometry.Rotation(radAngle, Vector3D.AxisZ);
// Combines the two
Transformation combined = tra * rot;
// applies the transformation to the arrow
m.TransformBy(combined);
// adds the arrow to the master entity array
model1.Entities.Add(m, System.Drawing.Color.FromArgb(120 + i * 10, 255 - i * 10, 0));
}
// sets trimetric view
model1.SetView(viewType.Trimetric);
// fits the model in the viewport
model1.ZoomFit();
//refresh the model control
model1.Invalidate();
base.OnContentRendered(e);
}
private void 이동회전확대조합ToolStripMenuItem_Click(object sender, EventArgs e)
{
// 객체 생성
Mesh arrow = Mesh.CreateArrow(5, 50, 10, 15, 16, Mesh.natureType.Smooth);
// 객체 편집(변형) 정보
double rad = Utility.DegToRad(90);
devDept.Geometry.Rotation rotation = new devDept.Geometry.Rotation(rad, new Vector3D(0, 0, 1), new Point3D(0, 0, 0)); // 회전
Translation translation = new Translation(10, 10, 0); // 이동
Scaling scaling = new Scaling(2); // 확대
// 조합
Transformation trans = new Transformation();
trans = rotation * translation * scaling;
// 객체 편집(변형)
arrow.TransformBy(trans);
// 객체를 추가하고 화면 갱신
model1.Entities.Add(arrow, Color.GreenYellow);
model1.ZoomFit();
model1.Invalidate();
}