31 lines
No EOL
561 B
Matlab
Executable file
31 lines
No EOL
561 B
Matlab
Executable file
function data = crescentfullmoon(N, r1, r2, r3)
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if nargin < 1
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N = 1000;
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end
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if mod(N,4) ~= 0
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N = round(N/4) * 4;
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end
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if nargin < 2
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r1 = 5;
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end
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if nargin < 3
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r2 = 10;
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end
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if nargin < 4
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r3 = 15;
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end
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N1 = N/4;
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N2 = N-N1;
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phi1 = rand(N1,1) * 2 * pi;
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R1 = sqrt(rand(N1, 1));
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moon = [cos(phi1) .* R1 * r1 sin(phi1) .* R1 * r1 zeros(N1,1)];
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d = r3 - r2;
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phi2 = pi + rand(N2,1) * pi;
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R2 = sqrt(rand(N2,1));
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crescent = [cos(phi2) .* (r2 + R2 * d) sin(phi2) .* (r2 + R2 * d) ones(N2,1)];
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data = [moon/2; crescent/2]; |