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https://github.com/SpartanJ/eepp.git
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4c07441c77
Fixed shaders reload ( after context lost ). Fixed some compiler warnings on gcc (mingw32). Added Windows Code::Blocks Project file.
109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
#ifndef EE_UTILSQUAD2_HPP
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#define EE_UTILSQUAD2_HPP
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namespace EE { namespace Utils {
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template <typename T>
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class Quad2 {
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public:
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Quad2();
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Quad2( const Vector2<T>& v1, const Vector2<T>& v2, const Vector2<T>& v3, const Vector2<T>& v4 );
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const Vector2<T>& operator[] ( const Uint32& Pos ) const;
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Vector2<T> V[4];
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/**
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Vector2<T> V[0]; //! Left - Top Vector
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Vector2<T> V[1]; //! Left - Bottom Vector
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Vector2<T> V[2]; //! Right - Bottom Vertex
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Vector2<T> V[3]; //! Right - Top Vertex
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*/
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Vector2<T> GetCenter();
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void Rotate( const T& Angle, const Vector2<T>& Center );
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void Rotate( const T& Angle );
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void Scale( const eeFloat& scale );
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void Scale( const eeFloat& scale, const Vector2<T>& Center );
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};
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template <typename T>
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void Quad2<T>::Rotate( const T& Angle ) {
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Rotate( Angle, GetCenter() );
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}
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template <typename T>
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void Quad2<T>::Rotate( const T& Angle, const Vector2<T>& Center ) {
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if ( Angle == 0.f )
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return;
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V[0].RotateVectorCentered( Angle, Center );
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V[1].RotateVectorCentered( Angle, Center );
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V[2].RotateVectorCentered( Angle, Center );
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V[3].RotateVectorCentered( Angle, Center );
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}
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template <typename T>
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void Quad2<T>::Scale( const eeFloat& scale, const Vector2<T>& Center ) {
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if ( scale == 1.0f )
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return;
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for ( Uint32 i = 0; i < 4; i++ ) {
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if ( V[i].x < Center.x )
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V[i].x = Center.x - fabs( Center.x - V[i].x ) * scale;
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else
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V[i].x = Center.x + fabs( Center.x - V[i].x ) * scale;
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if ( V[i].y < Center.y )
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V[i].y = Center.y - fabs( Center.y - V[i].y ) * scale;
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else
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V[i].y = Center.y + fabs( Center.y - V[i].y ) * scale;
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}
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}
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template <typename T>
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void Quad2<T>::Scale( const eeFloat& scale ) {
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Scale( scale, GetCenter() );
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}
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template <typename T>
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Vector2<T> Quad2<T>::GetCenter() {
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eeFloat MinX = V[0].x, MaxX = V[0].x, MinY = V[0].y, MaxY = V[0].y;
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for (Uint8 i = 1; i < 4; i++ ) {
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if ( MinX > V[i].x ) MinX = V[i].x;
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if ( MaxX < V[i].x ) MaxX = V[i].x;
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if ( MinY > V[i].y ) MinY = V[i].y;
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if ( MaxY < V[i].y ) MaxY = V[i].y;
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}
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return Vector2<T>( MinX + (MaxX - MinX) * 0.5f, MinY + (MaxY - MinX) * 0.5f );
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}
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template <typename T>
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const Vector2<T>& Quad2<T>::operator[] ( const Uint32& Pos ) const {
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if ( Pos <= 3 )
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return V[Pos];
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return V[0];
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}
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template <typename T>
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Quad2<T>::Quad2() {
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V[0] = Vector2<T>();
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V[1] = Vector2<T>();
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V[2] = Vector2<T>();
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V[3] = Vector2<T>();
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}
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template <typename T>
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Quad2<T>::Quad2( const Vector2<T>& v1, const Vector2<T>& v2, const Vector2<T>& v3, const Vector2<T>& v4 ) {
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V[0] = v1;
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V[1] = v2;
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V[2] = v3;
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V[3] = v4;
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}
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typedef Quad2<eeFloat> eeQuad2f;
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}}
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#endif
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