Space journey

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Yann Debray
/
Space journey
on 25 Oct 2024
20
172
0
2
1962
Cite your audio source here (if applicable):
drawframe(1);
Write your drawframe function below
function drawframe(frame)
    % Set up the figure
    clf;
    set(gcf, 'Color', 'black');
    axis([-10 10 -10 10]);
    axis equal;
    hold on;
    
    % Time variables
    t = frame/8; % Smooth time progression
    
    % Draw stars (twinkling effect)
    numStars = 100;
    starX = 20 * rand(numStars, 1) - 10;
    starY = 20 * rand(numStars, 1) - 10;
    starBrightness = 0.3 + 0.7 * rand(numStars, 1) + 0.2 * sin(t + rand(numStars, 1) * 2 * pi);
    scatter(starX, starY, 20, [starBrightness starBrightness starBrightness], 'filled');
    
    % Draw planet
    theta = linspace(0, 2*pi, 100);
    planetRadius = 3;
    planetX = planetRadius * cos(theta);
    planetY = planetRadius * sin(theta);
    
    % Planet rotation and color variation
    rotationOffset = t/2;
    planetColor = [0.4 + 0.2*sin(t/2), 0.6 + 0.2*cos(t/3), 0.8];
    fill(planetX, planetY, planetColor);
    
    % Draw atmospheric rings
    for ring = 1:3
        ringRadius = planetRadius + 0.3*ring;
        ringX = ringRadius * cos(theta);
        ringY = ringRadius * sin(theta);
        plot(ringX, ringY, 'Color', [1 1 1 0.2], 'LineWidth', 1);
    end
    
    % Draw orbiting satellite
    satellitePos = t * 2;
    orbitRadius = 5;
    satelliteX = orbitRadius * cos(satellitePos);
    satelliteY = orbitRadius * sin(satellitePos);
    
    % Satellite trail
    trailLength = 20;
    trailTheta = linspace(satellitePos-pi/4, satellitePos, trailLength);
    trailX = orbitRadius * cos(trailTheta);
    trailY = orbitRadius * sin(trailTheta);
    for i = 1:length(trailTheta)
        alpha = i/length(trailTheta);
        plot(trailX(i), trailY(i), '.', 'Color', [1 1 1 alpha], 'MarkerSize', 5);
    end
    
    % Draw satellite
    rectangle('Position', [satelliteX-0.3 satelliteY-0.3 0.6 0.6], ...
             'Curvature', [1 1], 'FaceColor', 'white');
    
    % Solar flares (random bursts)
    numFlares = 5;
    for i = 1:numFlares
        flareAngle = 2*pi * rand() + t;
        flareLength = 1 + 0.5*sin(t*2 + i);
        flareX = [0 flareLength*cos(flareAngle)] + planetRadius*cos(flareAngle);
        flareY = [0 flareLength*sin(flareAngle)] + planetRadius*sin(flareAngle);
        plot(flareX, flareY, 'Color', [1 0.8 0 0.5], 'LineWidth', 2);
    end
    
    % Text overlay
    if frame < 24 % First 3 seconds
        text(0, 8, 'Space Journey', 'Color', 'white', ...
             'FontSize', 14, 'HorizontalAlignment', 'center');
    elseif frame > 72 % Last 3 seconds
        text(0, -8, 'The End', 'Color', 'white', ...
             'FontSize', 14, 'HorizontalAlignment', 'center');
    end
    
    % Keep axis off for clean look
    axis off;
end
% To create the movie (96 frames = 12 seconds at 8 fps):
function createMovie()
    figure('Position', [100 100 800 800]);
    movie = struct('cdata', [], 'colormap', []);
    
    for frame = 1:96
        drawframe(frame);
        movie(frame) = getframe(gcf);
    end
    
    % Play the movie
    movie(gcf, movie, 1, 8); % Play once at 8 fps
end
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