Changed ALL function and file names to comply with assignment and added additional (Doxygen and normal) comments to mark which version is which
Doxygen comments are shown when hovering over function in the IDE
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@@ -1,51 +0,0 @@
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#include "tricorn.h"
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static const float convergenceLimit = 2.0f; // Mandelbrot set limit
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static unsigned converge(float complex position,unsigned n);
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void tricorn(float complex start, size_t width, ssize_t height, float res, unsigned n, _Bool color, unsigned char* img){
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// Absolute height for iteration purposes
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height = height < 0 ? height*-1 : height;
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unsigned bytesPerColor = color ? 3 : 1;
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// Simple iteration over every pixel in the picture
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for(size_t i = 0; i < width; i++){
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for(ssize_t j = 0; j < height; j++){
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unsigned value = converge(start + (i*res - I*j*res),n+1);
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// Pixel value position in the output array
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size_t position = (j*width +i) * bytesPerColor;
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if(!color){ // Grayscale colors as specified by the assignment r = g = b
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img[position] = value;
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}
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else{ // Temporary colors with random multipliers
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img[position] = ((value*3) % 255);
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img[position + 1] = ((value*2) % 255) ;
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img[position + 2] = ((value*5) % 255);
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}
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}
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}
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}
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// Iterative application of the equation given by the assignment
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static unsigned converge(float complex position,unsigned n){
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complex float result = 0;
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for(unsigned i = 0; i < n; i++){
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// Detection of unbounded behaviour
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// If the magnitude of the result vector is greater than the convergence limit, we know that the function will grow unbounded
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// Current convergence limit taken from mandelbrot set
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if(sqrtf(powf (crealf(result),2)+powf(cimagf(result),2)) > convergenceLimit)
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return 255-4*(i % 64);
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// Application of the given complex equation with m = 2
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result = cpowf(conjf(result),2) + position;
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}
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return 0;
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}
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