draw a christmas tree in matlab

To draw a Christmas tree in MATLAB, we can make use of the plot function to draw its branches and the scatter function to draw the ornaments. Here's an example code:


main.m
% Define the tree size and position
x0 = 0;
y0 = 0;
width = 10;
height = 15;

% Define the tree color
treeColor = [0, 0.5, 0];

% Define the branches
xBranches = linspace(x0 + width/2, x0 - width/2, height);
yBranches = linspace(y0, y0 + height, height);

% Draw the branches
hold on;
plot(xBranches, yBranches, '-', 'Color', treeColor, 'LineWidth', 2);

% Define the ornaments
xOrnaments = xBranches(2:2:end);
yOrnaments = yBranches(2:2:end);

% Draw the ornaments
scatter(xOrnaments, yOrnaments, 100, 'r', 'filled');

% Add a star on top
starVertices = [x0, y0 + height + 0.5; x0 - 1, y0 + height + 1; x0 + 1, y0 + height + 1];
patch(starVertices(:, 1), starVertices(:, 2), 'y', 'EdgeColor', 'y');

% Add some decorations
text(x0 - width/4, y0 - height/4, 'Merry\nChristmas!', 'HorizontalAlignment', 'center', 'VerticalAlignment', 'middle', 'FontSize', 14, 'FontWeight', 'bold', 'Color', 'r');
text(x0 + width/4, y0 - height/4, 'Happy\nNew Year!', 'HorizontalAlignment', 'center', 'VerticalAlignment', 'middle', 'FontSize', 14, 'FontWeight', 'bold', 'Color', 'r');

% Set the axis limits and remove the ticks
axis('equal');
axis([x0 - width/2, x0 + width/2, y0, y0 + height + 1]);
set(gca, 'XTick', [], 'YTick', []);
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