How to rotate cube in MATLAB.?

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Nimisha 2014-12-28

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https://ww2.mathworks.cn/matlabcentral/answers/168319-how-to-rotate-cube-in-matlab

评论： Nimisha 2015-1-3

 A = [0 0 0];
 B = [1 0 0];
 C = [0 1 0];
 D = [0 0 1];
 E = [0 1 1];
 F = [1 0 1];
 G = [1 1 0];
 H = [1 1 1];
 P = [A;B;F;H;G;C;A;D;E;H;F;D;E;C;G;B];
 plot3(P(:,1),P(:,2),P(:,3))

I am creating a cube using this code.

Now i want to rotate this cube according to Roll, pitch and Yaw axis.

If R = -0.3064; P = -1.2258; Y = 9.8066

Then how to rotate this cube.?

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Shoaibur Rahman 2014-12-28

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https://ww2.mathworks.cn/matlabcentral/answers/168319-how-to-rotate-cube-in-matlab#answer_163476

在 MATLAB Online 中打开

Add the following lines of code at the bottom of your code:

roll = -0.3064; pitch = -1.2258; yaw = 9.8066;
dcm = angle2dcm(yaw, pitch, roll);
P = P*dcm;
plot3(P(:,1),P(:,2),P(:,3)) % rotated cube

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Shoaibur Rahman 2015-1-2

编辑：Shoaibur Rahman 2015-1-2

在 MATLAB Online 中打开

I guess, you are asking that if the rotation is 360 degrees, then both the original and rotated cube should look at the same position, right?

Instead of using 360, use 2*pi for roll, pitch, and yaw, i.e. in radians.

roll = 2*pi; pitch = 2*pi; yaw = 2*pi;

   A = [0 0 0];
   B = [1 0 0];
   C = [0 1 0];
   D = [0 0 1];
   E = [0 1 1];
   F = [1 0 1];
   G = [1 1 0];
   H = [1 1 1];
   P = [A;B;F;H;G;C;A;D;E;H;F;D;E;C;G;B];
   plot3(P(:,1),P(:,2),P(:,3),'g'), hold on
   roll = 2*pi; pitch = 2*pi; yaw = 2*pi;
   dcm = angle2dcm(yaw, pitch, roll);
   P = P*dcm;
   plot3(P(:,1),P(:,2),P(:,3)) % rotated cube
   plot3(0,0,0,'or')