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December 12, 2024 23:34
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matlab analog clock
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| function analog_clock() | |
| fig = figure('Name','Analog Clock (Imag) - Mirrored','NumberTitle','off','Color',[1 1 1]); | |
| ax = axes('Parent',fig); | |
| axis(ax,'equal'); | |
| axis(ax,[-1.2 1.2 -1.2 1.2]); | |
| axis off | |
| hold on | |
| th = linspace(0,2*pi,1000); | |
| z_circle = exp(1j*th); | |
| plot(real(z_circle), imag(z_circle), 'k', 'LineWidth', 2); | |
| % Hours | |
| for hourMark = 1:12 | |
| baseAngle = (hourMark/12)*2*pi; | |
| angle = -baseAngle + pi/2; | |
| z_outer = exp(1j*angle); | |
| z_inner = 0.85*exp(1j*angle); | |
| plot([real(z_inner) real(z_outer)], [imag(z_inner) imag(z_outer)], 'k', 'LineWidth', 3); | |
| z_text = 0.75*exp(1j*angle); | |
| text(real(z_text), imag(z_text), num2str(hourMark), ... | |
| 'HorizontalAlignment','center','VerticalAlignment','middle','FontSize',12); | |
| end | |
| % Minutes | |
| for minuteMark = 1:60 | |
| baseAngle = (minuteMark/60)*2*pi; | |
| angle = -baseAngle + pi/2; | |
| z_outer = exp(1j*angle); | |
| if mod(minuteMark,5)~=0 | |
| z_inner = 0.95*exp(1j*angle); | |
| plot([real(z_inner) real(z_outer)], [imag(z_inner) imag(z_outer)], 'k', 'LineWidth', 1); | |
| end | |
| end | |
| hourHandLength = 0.5; | |
| minuteHandLength = 0.75; | |
| secondHandLength = 0.9; | |
| hourHand = plot([0 0],[0 hourHandLength],'LineWidth',4,'Color','k'); | |
| minuteHand = plot([0 0],[0 minuteHandLength],'LineWidth',2,'Color','k'); | |
| secondHand = plot([0 0],[0 secondHandLength],'LineWidth',1,'Color','r'); | |
| while ishandle(fig) | |
| c = clock; % [year month day hour min sec] | |
| hourVal = c(4); | |
| minuteVal = c(5); | |
| secondVal = round(c(6)); | |
| hourAngle = -((hourVal + minuteVal/60)/12)*2*pi + pi/2; | |
| minuteAngle = -(minuteVal/60)*2*pi + pi/2; | |
| secondAngle = -(secondVal/60)*2*pi + pi/2; | |
| z_hourHandTip = hourHandLength*exp(1j*hourAngle); | |
| z_minuteHandTip = minuteHandLength*exp(1j*minuteAngle); | |
| z_secondHandTip = secondHandLength*exp(1j*secondAngle); | |
| set(hourHand,'XData',[0 real(z_hourHandTip)], 'YData',[0 imag(z_hourHandTip)]); | |
| set(minuteHand,'XData',[0 real(z_minuteHandTip)], 'YData',[0 imag(z_minuteHandTip)]); | |
| set(secondHand,'XData',[0 real(z_secondHandTip)], 'YData',[0 imag(z_secondHandTip)]); | |
| drawnow; | |
| pause(1); | |
| end | |
| end |
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