private void button10_Click(object sender, EventArgs e)
{
penType = "3d";
textBox1.Text = "U、I实现绕X轴旋转；H、J实现绕Y周旋转；K、L实现绕Z轴旋转;再次单击‘自由变换’停止转动";
double a = 80;//边长为2a
p1[0] = new point3(-a, -a, -a);
p1[1] = new point3(a, -a, -a);
p1[2] = new point3(a, a, -a);
p1[3] = new point3(-a, a, -a);
p1[4] = new point3(-a, -a, a);
p1[5] = new point3(a, -a, a);
p1[6] = new point3(a, a, a);
p1[7] = new point3(-a, a, a);
f1[0] = new face(4); f1[0].setedge(0, 0); f1[0].setedge(1, 3); f1[0].setedge(2, 2); f1[0].setedge(3, 1);//后面
f1[1] = new face(4); f1[1].setedge(0, 4); f1[1].setedge(1, 5); f1[1].setedge(2, 6); f1[1].setedge(3, 7);//前面
f1[2] = new face(4); f1[2].setedge(0, 0); f1[2].setedge(1, 4); f1[2].setedge(2, 7); f1[2].setedge(3, 3); //左面
f1[3] = new face(4); f1[3].setedge(0, 1); f1[3].setedge(1, 2); f1[3].setedge(2, 6); f1[3].setedge(3, 5); //右面
f1[4] = new face(4); f1[4].setedge(0, 3); f1[4].setedge(1, 7); f1[4].setedge(2, 6); f1[4].setedge(3, 2);//顶面
f1[5] = new face(4); f1[5].setedge(0, 0); f1[5].setedge(1, 1); f1[5].setedge(2, 5); f1[5].setedge(3, 4); ;//底面
for (int i = 0; i < p1.Length; i++)
{
p2[i] = new point3(p1[i].x, p1[i].y, p1[i].z);
}
//pictureBox1.Refresh();
Graphics g = pictureBox1.CreateGraphics();
drawc(g);
}
public void multiM()
{
point3[] pt2 = new point3[m_num];
for (int i = 0; i < m_num; i++)
{
pt2[i] = new point3(pt[i].x, pt[i].y, pt[i].z);
}
for (int j = 0; j < m_num; j++)
{
pt[j].x = pt2[j].x * transM[0, 0] + pt2[j].y * transM[0, 1] + pt2[j].z * transM[0, 2] + pt2[j].w * transM[0, 3];
pt[j].y = pt2[j].x * transM[1, 0] + pt2[j].y * transM[1, 1] + pt2[j].z * transM[1, 2] + pt2[j].w * transM[1, 3];
pt[j].z = pt2[j].x * transM[2, 0] + pt2[j].y * transM[2, 1] + pt2[j].z * transM[2, 2] + pt2[j].w * transM[2, 3];
pt[j].w = pt2[j].x * transM[3, 0] + pt2[j].y * transM[3, 1] + pt2[j].z * transM[3, 2] + pt2[j].w * transM[3, 3];
}
}
public void rotateMZ(double angle, point3 p)
{
tranM(-p.x, -p.y, -p.z);
rotateMZ(angle);
tranM(p.x, p.y, p.z);
}
public void scaleM(double sx, double sy, double sz, point3 p)
{
tranM(-p.x, -p.y, -p.z);
scaleM(sx, sy, sz);
tranM(p.x, p.y, p.z);
}
//图形变换
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
//try
//{
if (penType == "2d")
{
switch (e.KeyCode)
{
case Keys.S:
List<Point> p = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
p.Add(new Point(tranglePoints[i].X, tranglePoints[i].Y + 5));
}
tranglePoints = p;
button11_Click(sender, e);
break;
case Keys.D:
List<Point> pLeft = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pLeft.Add(new Point(tranglePoints[i].X + 5, tranglePoints[i].Y));
}
tranglePoints = pLeft;
button11_Click(sender, e);
break;
case Keys.W:
List<Point> pUp = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pUp.Add(new Point(tranglePoints[i].X, tranglePoints[i].Y - 5));
}
tranglePoints = pUp;
button11_Click(sender, e);
break;
case Keys.A:
List<Point> pRight = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pRight.Add(new Point(tranglePoints[i].X - 5, tranglePoints[i].Y));
}
tranglePoints = pRight;
button11_Click(sender, e);
break;
case Keys.Z:
List<Point> pClockwise = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pClockwise.Add(new Point((int)(tranglePoints[i].X * Math.Cos(Math.PI / 36) - tranglePoints[i].Y * Math.Sin(Math.PI / 36)), (int)(tranglePoints[i].X * Math.Sin(Math.PI / 36) + tranglePoints[i].Y * Math.Cos(Math.PI / 36))));
}
tranglePoints = pClockwise;
button11_Click(sender, e);
break;
case Keys.X:
List<Point> pCounterclockwise = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pCounterclockwise.Add(new Point((int)(tranglePoints[i].X * Math.Cos(-Math.PI / 36) - tranglePoints[i].Y * Math.Sin(-Math.PI / 36)), (int)(tranglePoints[i].X * Math.Sin(-Math.PI / 36) + tranglePoints[i].Y * Math.Cos(-Math.PI / 36))));
}
tranglePoints = pCounterclockwise;
button11_Click(sender, e);
break;
case Keys.V:
List<Point> pZoomin = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pZoomin.Add(new Point((int)(tranglePoints[i].X * 1.1), (int)(tranglePoints[i].Y * 1.1)));
}
tranglePoints = pZoomin;
button11_Click(sender, e);
break;
case Keys.B:
List<Point> pZoomout = new List<Point>();
for (int i = 0; i < tranglePoints.Count; i++)
{
pZoomout.Add(new Point((int)(tranglePoints[i].X * 0.9), (int)(tranglePoints[i].Y * 0.9)));
}
tranglePoints = pZoomout;
button11_Click(sender, e);
break;
default:
break;
}
Console.WriteLine();
}
if(penType=="3d")
{
tr = new trans3(p2, p2.Length);
switch (e.KeyCode)
{
case Keys.U:
alf = -10;
tr.rotateMX(alf);
break;
case Keys.I:
alf = 10;
tr.rotateMX(alf);
break;
case Keys.H:
belta = -10;
tr.rotateMY(belta);
break;
case Keys.J:
belta = 10;
tr.rotateMY(belta);
break;
case Keys.K:
belta = -10;
tr.rotateMZ(belta);
break;
case Keys.L:
belta = 10;
tr.rotateMZ(belta);
break;
case Keys.R:
for (int i = 0; i < p1.Length; i++)
{
p2[i] = new point3(p1[i].x, p1[i].y, p1[i].z);
}
break;
default:
break;
}
pictureBox1.Refresh();
Graphics g = pictureBox1.CreateGraphics();
drawc(g);
}
// }
//catch (Exception ec)
//{
// MessageBox.Show(ec.Message, "超出画图边界！");
//}
}
