X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fsphere.c;h=9288b2f92c4287628e18dbeaec8f9159a8e0cc2e;hb=488f2fa8fbdbc77e91a70da2962d73af49e6cace;hp=5aba74f0ddffbdf2c46dbe072f9ba2d84191d819;hpb=cccbddbc4140cf9a06d7d95cc5c0ca36eb5d6e28;p=xscreensaver diff --git a/hacks/glx/sphere.c b/hacks/glx/sphere.c index 5aba74f0..9288b2f9 100644 --- a/hacks/glx/sphere.c +++ b/hacks/glx/sphere.c @@ -15,21 +15,30 @@ * http://astronomy.swin.edu.au/~pbourke/opengl/sphere/ */ -#include "config.h" -#include #include -#include +#include + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#ifdef HAVE_COCOA +# include +#else +# include +#endif +#include "sphere.h" typedef struct { GLfloat x, y, z; } XYZ; void -unit_sphere (int stacks, int slices, Bool wire) +unit_sphere (int stacks, int slices, int wire_p) { int i,j; double theta1, theta2, theta3; XYZ e, p; - XYZ la, lb; + XYZ la = { 0, 0, 0 }, lb = { 0, 0, 0 }; XYZ c = {0, 0, 0}; /* center */ double r = 1.0; /* radius */ int stacks2 = stacks * 2; @@ -54,12 +63,12 @@ unit_sphere (int stacks, int slices, Bool wire) theta1 = j * (M_PI+M_PI) / stacks2 - M_PI_2; theta2 = (j + 1) * (M_PI+M_PI) / stacks2 - M_PI_2; - glBegin (wire ? GL_LINE_LOOP : GL_TRIANGLE_STRIP); + glBegin (wire_p ? GL_LINE_LOOP : GL_TRIANGLE_STRIP); for (i = 0; i <= slices; i++) { theta3 = i * (M_PI+M_PI) / slices; - if (wire && i != 0) + if (wire_p && i != 0) { glVertex3f (lb.x, lb.y, lb.z); glVertex3f (la.x, la.y, la.z); @@ -76,7 +85,7 @@ unit_sphere (int stacks, int slices, Bool wire) glTexCoord2f (i / (double)slices, 2*(j+1) / (double)stacks2); glVertex3f (p.x, p.y, p.z); - if (wire) la = p; + if (wire_p) la = p; e.x = cos(theta1) * cos(theta3); e.y = sin(theta1); @@ -89,7 +98,7 @@ unit_sphere (int stacks, int slices, Bool wire) glTexCoord2f (i / (double)slices, 2*j / (double)stacks2); glVertex3f (p.x, p.y, p.z); - if (wire) lb = p; + if (wire_p) lb = p; } glEnd(); }