41 lines
1,023 B
C++
41 lines
1,023 B
C++
#include "externals.hh"
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#include "utilities.hh"
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void disableButton( )
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{
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ImGui::PushStyleColor( ImGuiCol_Button , ImVec4( .3 , .3 , .3 , 1 ) );
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ImGui::PushStyleColor( ImGuiCol_ButtonHovered , ImVec4( .3 , .3 , .3 , 1 ) );
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ImGui::PushStyleColor( ImGuiCol_ButtonActive , ImVec4( .3 , .3 , .3 , 1 ) );
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}
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/*----------------------------------------------------------------------------*/
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void updateAngle(
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__rw__ float& initial ,
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__rd__ const float delta
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)
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{
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initial = fmod( initial + delta + 540 , 360 ) - 180;
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}
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void anglesToMatrix(
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__rd__ float const* angles ,
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__wr__ float* matrix )
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{
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float c[3] , s[3];
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for ( int i = 0 ; i < 3 ; i ++ ) {
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const float a = M_PI * angles[ i ] / 180;
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c[i] = cos( a );
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s[i] = sin( a );
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}
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matrix[0] = c[1]*c[2];
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matrix[1] = s[0]*s[1]*c[2] - c[0]*s[2];
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matrix[2] = s[0]*s[2] + c[0]*s[1]*c[2];
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matrix[3] = c[1]*s[2];
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matrix[4] = c[0]*c[2] + s[0]*s[1]*s[2];
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matrix[5] = c[0]*s[1]*s[2] - s[0]*c[2];
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matrix[6] = -s[1];
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matrix[7] = s[0]*c[1];
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matrix[8] = c[0]*c[1];
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}
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