40 lines
858 B
C
40 lines
858 B
C
#include <fxengine/camera.h>
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#include <gint/std/string.h>
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void fe_view_set(const fe_camera * cam)
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{
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fe_view_set_param(cam->dh, cam->dv, cam->roll, &cam->pos);
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}
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void fe_view_set_param(const double dh, const double dv, const double roulis, const fe_ipoint * camera)
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{
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const double A=fe_cos(dv);
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const double B=fe_sin(dv);
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const double C=fe_cos(roulis);
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const double D=fe_sin(roulis);
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const double E=fe_cos(dh);
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const double F=fe_sin(dh);
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// raccourcis
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const double AD=A*D, BD=B*D;
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fe_matrix[0][0]=C*E;
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fe_matrix[0][1]=-C*F;
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fe_matrix[0][2]=D;
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fe_matrix[1][0]=BD*E+A*F;
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fe_matrix[1][1]=-BD*F+A*E;
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fe_matrix[1][2]=-B*C;
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fe_matrix[2][0]=-AD*E+B*F;
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fe_matrix[2][1]=AD*F+B*E;
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fe_matrix[2][2]=A*C;
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// assigner delta
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memcpy(&fe_translate_delta, camera, sizeof(fe_ipoint));
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}
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