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public text v1 · immutable
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·published 2007-07-01 13:54 UTC
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#include<stdio.h>
#include<math.h>


struct Point {
	float x;
	float y;
	float z;
};

struct Face {
	struct Point vertex[5]; /* Punkte werden in einer Flaeche zu Ecken, daher vertex */
};

void calcPoints(struct Point *points) {
        double r = 1;
        double h = r*0.5*(sqrt(5)-1);

	points[0].x = 0;	points[0].y = -h;	points[0].z = -(r+h);
	points[1].x = 0;	points[1].y = h;	points[1].z = -(r+h);
	points[2].x = r;	points[2].y = -r;	points[2].z = -r;
	points[3].x = r;	points[3].y = r;	points[3].z = -r;
	points[4].x = -r;	points[4].y = r;	points[4].z = -r;
};


void groupPointsToFaces(struct Face *faces, struct Point *p) {

	faces[0].vertex[0] = p[0];
	faces[0].vertex[1] = p[1];
	faces[0].vertex[2] = p[3];
	faces[0].vertex[3] = p[6];
	faces[0].vertex[4] = p[2];
}


int main(int* argc, char** argv) {
	struct Point points[20];
	struct Face faces[12];
	
	calcPoints(&points);
	groupPointsToFaces(&faces, &points);

	return 0;
}








[fabiand@fiona tmp]$ CPPFLAGS="-ggdb" make some
cc  -ggdb   some.c   -o some
some.c: In Funktion »main«:
some.c:41: Warnung: Übergabe des Arguments 1 von »calcPoints« von inkompatiblem Zeigertyp
some.c:42: Warnung: Übergabe des Arguments 1 von »groupPointsToFaces« von inkompatiblem Zeigertyp
some.c:42: Warnung: Übergabe des Arguments 2 von »groupPointsToFaces« von inkompatiblem Zeigertyp
[fabiand@fiona tmp]$