void main() {
const vec4 bg = vec4(0.5,0.5,0.5,1.0);
// use the secant method on this interval
const float d = length(C);
// These are pretty well fine-tuned for the torus, but they work well enough
// for the sphere too. If I had more time I could probably get rid of the
// discontinuities in the transition.
float t = pmin(
secant_method(d - 1.2, d - 1.19, 1e-13),
secant_method(d + 1.1, d + 1.0, 1e-13)
);
if (t < 0.0) {
gl_FragColor = bg;
}
else {
vec3 P = C + t * D; // point of intersection
vec3 N = surfaceN(P, t, 0.01);
vec3 L = normalize(vec3(3.0, 4.0, 5.0));
float c = clamp(dot(N,L),0.0,1.0);
//gl_FragColor = vec4(clamp(N,0.0,1.0),1.0);
gl_FragColor = vec4(c,c,c,1.0);
}
}
int main()
{
secant_method(0, 1);
secant_method(3, 4);
secant_method(6, 7);
return 0;
}
int main(int argc, char *argv[])
{
if(argc==1)
{
printf("You must enter function\n");
exit(1);
}
char *fn_name;
fn_name=argv[1];
if(strcmp(fn_name,"function1")==0) function1(); //basic pointer aritmetic
else if(strcmp(fn_name,"iscale")==0) iscale(--argc, ++argv); //generate E.T tables for N-notes to the octave (N<=24) ***NOTICE --argc and ++argv
else if(strcmp(fn_name,"expdecay")==0) expdecay(--argc, ++argv); //generate exponential attack or decay breakpoint data
else if(strcmp(fn_name,"sinetext")==0) sinetext(--argc, ++argv); //generate sinusoidal curve for use with GNUplot --> showcases use of enum
else if(strcmp(fn_name,"byte_order")==0) { if(byte_order()==0) printf("System is big-endian\n"); else printf("System is little-endian\n"); } //tells endian type of system
else if(strcmp(fn_name,"sf2float")==0) sf2float(--argc, ++argv); //convert soundfile to float format
else if(strcmp(fn_name,"sig_gen")==0) sig_gen(--argc, ++argv); //generate oscillation signal (sine, triangle, square, sawtooth up, sawtooth down)
else if(strcmp(fn_name,"osc_gen")==0) osc_gen(--argc, ++argv); //Oscillator Bank (Array of oscillators) for additive sythesis for the natural specturm of sound (classic square, trianlgle, saw_up, saw_down)
else if(strcmp(fn_name,"summation_function")==0) summation_function(--argc, ++argv); // summation for a^n (CS473 Quiz3)
else if(strcmp(fn_name,"secant_method")==0) secant_method(--argc, ++argv); // secant method implementation for CS357 Quiz3
else if(strcmp(fn_name,"oddSumTest")==0) oddSumTest(--argc, ++argv); // oddSum program for Rishi
else if(strcmp(fn_name,"pointerTest")==0) pointerTest();//pointer test for CS241
else if(strcmp(fn_name,"aQRec")==0) aQRec(); //tests for audioQueueRecorder
else
{
printf("Function not found\n");
exit(1);
}
return 0;
}
int main()
{
secant_method(-0.999999, .999999);
return 0;
}
int main()
{
secant_method(0, 1);
secant_method(3, 5);
return 0;
}
