Make a line of same magnitude move in opposite direction at endpoint
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xyValues = dlmread('Batman.txt');
xsLogo = xyValues(:,1);
ysLogo = xyValues(:,2);
%BatBeam
launchBeam = plot(xClic + xsLogo,yClic + ysLogo,'k');
hText = text(xClic,yClic,'BatBeam');
title('Alright, your laser is gonna fire now');
% Plot that point
plot(xClic, yClic)
xlim([0,100])
ylim([0,100])
hold on
% Compute y intercept for slope of 1
b = yClic+1*xClic;
% Plot the line between the click point and the y intercept
batBeam = plot([xClic,0],[yClic,b],'b--');
This code plots a dashed line depending where the user clicks and the line always ends when x=0. I want to start a new line of the same magnitude move in an opposite direction starting at the current endpoint. Any pointers? I need urgent help for a project and appreciate legitimate answers with a tangible conclusion.
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