root / branches / simulator / projects / simulator / rayHits.c @ 1067
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#include <stdlib.h> |
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#include <math.h> |
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double Xr, Yr, Tr, Xc, Yc, Rc; // (X,Y,theta for ray) (X,Y,radius for circle) |
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boolean rayHits(double Xr,double Yr,double Tr,double Xc,double Yc,double Rc) |
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{
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double m, b, D, t;
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m = tan(Tr); |
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b= -m * Xr + Yr; |
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D = (abs(Yc - m * Xc - b)) / (sqrt(m * m + 1);
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if (D < Rc )
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{
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return true; |
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} |
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else
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{
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return false; |
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} |
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return false; |
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} |
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/*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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double a, b, c, t1, t2;
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t1 = -( |
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((Xr - Xc)^2 + 2*cos(Tr)*( |