How to make patch cylinder wheels for this semi truck?
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figure
view(3)
grid on
%lorry
vertices_lorry = [0 1 0.5 ; 4 1 0.5; 6.5 1 0.5; 6.5 1 1.2; 6 1 1.3;...
5 1 1.8; 4 1 1.8; 4 1 2; 0 1 2; ... % postive y of lorry
0 -1 0.5; 4 -1 0.5; 6.5 -1 0.5; 6.5 -1 1.2; 6 -1 1.3;...
5 -1 1.8; 4 -1 1.8; 4 -1 2; 0 -1 2]; % negative y of lorry
faces_lorry_cargo = [10 1 9 18; 1 2 8 9; 8 9 18 17; 10 11 17 18; 7 8 17 16;...
1 2 11 10];
faces_lorry_driver = [7 6 15 16 16 16; 5 6 15 14 14 14; 5 4 13 14 14 14;...
3 4 13 12 12 12; 2 3 4 5 6 7; 11 12 13 14 15 16; 2 3 12 11 11 11];
patch('Faces',faces_lorry_cargo,'Vertices',vertices_lorry,'FaceColor','#86DA7D','EdgeColor','k');
patch('Faces',faces_lorry_driver,'Vertices',vertices_lorry,'FaceColor','#868686','EdgeColor','k');
I am trying to build a truck in Matlab but I cannot figure out how to place 4 different half cylinder "wheels" on the bottom. How can I do this?
The wheels should go around 180 deg from the bottom. the rear wheel is centered 1m from the back and the wheel base is 3.95. the wheels are 0.2m thick.
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darova
2020년 3월 23일
Try this
t = linspace(0,2*pi,20)';
[x,y] = pol2cart(t,1); % create data for circle
v0 = x*0;
X = [v0 x x v0];
Z = [v0 y y v0];
Y = [v0-1 v0-1 v0+1 v0+1]*1.2;
hold on
surf(X,Y,Z,'facecolor','y') % draw wheel
surf(X+4,Y,Z,'facecolor','y') % draw wheel +4 position
hold off
axis vis3d
Experiment
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