christmas tree in matlab

main.m
% Set the tree parameters
treeLevels = 6;     % Number of levels in the tree
branchWidth = 0.4;  % Width of each branch
treeHeight = 1.8;   % Height of the tree

% Create the tree trunk
trunkWidth = 0.2;   % Width of the trunk
trunkHeight = 0.3;  % Height of the trunk

trunkX = [0 trunkWidth trunkWidth 0 0];
trunkY = [0 0 trunkHeight trunkHeight 0];

% Plot the tree trunk
figure;
plot(trunkX, trunkY, 'LineWidth', 2, 'Color', 'brown');
hold on;

% Create the tree branches
for level = 1:treeLevels
    branchHeight = treeHeight / treeLevels;
    branchWidth = branchWidth + 0.1;  % Increase branch width with each level
    
    % Calculate the x-coordinates of the branches
    branchX = [-(branchWidth/2) (branchWidth/2) (branchWidth/2) -(branchWidth/2) -(branchWidth/2)];
    
    % Calculate the y-coordinates of the branches
    branchY = [(level-1)*branchHeight level*branchHeight level*branchHeight (level-1)*branchHeight (level-1)*branchHeight];
    
    % Plot the tree branches
    plot(branchX, branchY, 'LineWidth', 2, 'Color', 'green');
end

% Set axis limits and aspect ratio
axis([-1.5 1.5 0 2]);
axis equal;

% Add decorations (optional)
starSize = 0.1;  % Size of the star on top of the tree

% Plot the star on top of the tree
plot(0, 2, 'p', 'MarkerSize', starSize*100, 'MarkerEdgeColor', 'yellow', 'LineWidth', 2);

% Add red ornaments to the tree
for level = 1:treeLevels
    % Calculate the number of ornaments for the current level
    numOrnaments = level + 1;
    
    % Generate random x-coordinates for the ornaments
    xOrnaments = (-0.9 + rand(1, numOrnaments) * 1.8) * (branchWidth/2);
    
    % Calculate the y-coordinate of the ornaments
    yOrnaments = level * branchHeight - branchHeight/2;
    
    % Plot the ornaments
    scatter(xOrnaments, yOrnaments, 50, 'red', 'filled');
end

% Add a tree trunk base (optional)
baseWidth = 1.2;  % Width of the tree trunk base
baseHeight = 0.1; % Height of the tree trunk base

baseX = [-baseWidth/2 baseWidth/2 baseWidth/2 -baseWidth/2 -baseWidth/2];
baseY = [0 0 -baseHeight -baseHeight 0];

% Plot the tree trunk base
fill(baseX, baseY, 'brown');

% Remove axis ticks and labels
set(gca, 'xtick', []);
set(gca, 'ytick', []);

% Hide box around the plot
box off;

% Set color to white for background
set(gcf, 'color', 'w');
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