Mathworks Logo animation

Harish
/
Mathworks Logo animation

on 10 Oct 2024

Cite your audio source here (if applicable):

drawframe(1);

Write your drawframe function below

function drawframe(f)
    N = 100; 
    L = 160 * membrane(1, N); 
    numFrames = 96; 
    
    persistent fig ax s
    if isempty(fig)
        fig = figure('Color', 'black'); 
        ax = axes('Parent', fig);
        s = surface(L); 
        s.EdgeColor = 'none';
        
        % Set axis limits
        ax.XLim = [1 201];
        ax.YLim = [1 201];
        ax.ZLim = [-53.4 160];
        ax.CameraPosition = [-10 -20 -20];
        ax.CameraTarget = [77.4/2 60.2/2 63.9/2];
        ax.CameraUpVector = [0 0 1];
        ax.CameraViewAngle = 36.7;
        ax.Position = [0 0 1 1];
        ax.DataAspectRatio = [1 1 .9];
        % Lighting setup
        l1 = light;
        l1.Position = [160 400 80];
        l1.Style = 'local';
        l1.Color = [0 0.8 0.8];
        
        l2 = light;
        l2.Position = [.5 -1 .4];
        l2.Color = [0.8 0.8 0];
        
        % Surface properties
        s.FaceColor = [0.9 0.2 0.2];
        s.FaceLighting = 'gouraud';
        s.AmbientStrength = 0.3;
        s.DiffuseStrength = 0.6; 
        s.BackFaceLighting = 'lit';
        
        s.SpecularStrength = 1;
        s.SpecularColorReflectance = 1;
        s.SpecularExponent = 7;
        axis off;
    end
    % Interpolating the Z values from 0 to actual values and back
    Z = zeros(size(L)); % Start with zeros
    finalZ = L; % Final Z values (the actual values of the logo)
    
    % Calculate interpolation factor based on the frame number
    if f <= numFrames / 2
        alpha = f / (numFrames / 2); % Progression from 0 to 1
    else
        alpha = (numFrames - f) / (numFrames / 2); % Progression from 1 to 0
    end
    % Update Z data for the surface based on the interpolation factor
    Z = alpha * finalZ; 
    % Update the surface Z data
    s.ZData = Z;
    % Adjust view
    view(3); 
    drawnow; 
end

Mathworks Logo animation

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Mathworks Logo animation