git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1589 4e206d99-4929-0410-ac5d-dfc041789085
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214
ruby/sfml-system/system/Vector2.cpp
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214
ruby/sfml-system/system/Vector2.cpp
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#include "Vector2.hpp"
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#include "System.hpp"
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VALUE globalVector2Class;
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VALUE Vector2_ForceType( VALUE someValue )
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{
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if( rb_obj_is_kind_of( someValue, rb_cArray ) == true )
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{
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VALUE arg1 = rb_ary_entry( someValue, 0 );
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VALUE arg2 = rb_ary_entry( someValue, 1 );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, arg1, arg2 );
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}
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else if( rb_obj_is_kind_of( someValue, globalVector2Class ) == true )
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{
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return someValue;
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}
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else
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{
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rb_raise( rb_eRuntimeError, "expected Array or Vector2" );
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}
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}
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static void Vector2_internal_CopyFrom( VALUE self, VALUE aSource )
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{
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VALUE vectorSource = Vector2_ForceType( aSource );
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VALUE x = rb_funcall( vectorSource, rb_intern( "x" ), 0 );
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VALUE y = rb_funcall( vectorSource, rb_intern( "y" ), 0 );
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rb_funcall( self, rb_intern( "x=" ), 1, x );
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rb_funcall( self, rb_intern( "y=" ), 1, y );
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rb_iv_set( self, "@dataType", rb_iv_get( vectorSource, "@dataType" ) );
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}
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static void Vector2_internal_ValidateTypes( VALUE aFirst, VALUE aSecond )
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{
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if( CLASS_OF( aFirst ) != CLASS_OF( aSecond ) )
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{
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rb_raise( rb_eRuntimeError, "x and y must be of same type" );
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}
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if( rb_obj_is_kind_of( aFirst, rb_cNumeric ) == Qfalse )
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{
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rb_raise( rb_eRuntimeError, "x and y must be numeric!" );
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}
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}
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static VALUE Vector2_Negate( VALUE self )
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{
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VALUE x = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE y = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE negatedX = rb_funcall( x, rb_intern( "-@" ), 0 );
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VALUE negatedY = rb_funcall( y, rb_intern( "-@" ), 0 );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, negatedX, negatedY );
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}
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static VALUE Vector2_Add( VALUE self, VALUE aRightOperand )
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{
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VALUE rightVector = Vector2_ForceType( aRightOperand );
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// Get values
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( rightVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( rightVector, rb_intern( "y" ), 0 );
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// Do calculation
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VALUE newX = rb_funcall( leftX, rb_intern( "+" ), 1, rightX );
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VALUE newY = rb_funcall( leftY, rb_intern( "+" ), 1, rightY );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, newX, newY );
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}
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static VALUE Vector2_Subtract( VALUE self, VALUE aRightOperand )
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{
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VALUE rightVector = Vector2_ForceType( aRightOperand );
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// Get values
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( rightVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( rightVector, rb_intern( "y" ), 0 );
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// Do calculation
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VALUE newX = rb_funcall( leftX, rb_intern( "-" ), 1, rightX );
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VALUE newY = rb_funcall( leftY, rb_intern( "-" ), 1, rightY );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, newX, newY );
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}
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static VALUE Vector2_Multiply( VALUE self, VALUE aRightOperand )
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{
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VALUE rightVector = Vector2_ForceType( aRightOperand );
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// Get values
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( rightVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( rightVector, rb_intern( "y" ), 0 );
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// Do calculation
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VALUE newX = rb_funcall( leftX, rb_intern( "*" ), 1, rightX );
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VALUE newY = rb_funcall( leftY, rb_intern( "*" ), 1, rightY );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, newX, newY );
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}
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static VALUE Vector2_Divide( VALUE self, VALUE aRightOperand )
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{
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VALUE rightVector = Vector2_ForceType( aRightOperand );
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// Get values
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( rightVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( rightVector, rb_intern( "y" ), 0 );
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// Do calculation
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VALUE newX = rb_funcall( leftX, rb_intern( "/" ), 1, rightX );
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VALUE newY = rb_funcall( leftY, rb_intern( "/" ), 1, rightY );
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return rb_funcall( globalVector2Class, rb_intern( "new" ), 2, newX, newY );
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}
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static VALUE Vector2_Equal( VALUE self, VALUE anArgument )
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{
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VALUE aVector = Vector2_ForceType( anArgument );
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( aVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( aVector, rb_intern( "y" ), 0 );
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if( rb_funcall( leftX, rb_intern( "==" ), 1, rightX ) == Qtrue &&
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rb_funcall( leftY, rb_intern( "==" ), 1, rightY ) == Qtrue )
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{
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return Qtrue;
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}
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else
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{
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return Qfalse;
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}
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}
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static VALUE Vector2_StrictEqual( VALUE self, VALUE anArgument )
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{
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VALUE aVector = Vector2_ForceType( anArgument );
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VALUE leftX = rb_funcall( self, rb_intern( "x" ), 0 );
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VALUE leftY = rb_funcall( self, rb_intern( "y" ), 0 );
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VALUE rightX = rb_funcall( aVector, rb_intern( "x" ), 0 );
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VALUE rightY = rb_funcall( aVector, rb_intern( "y" ), 0 );
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if( rb_funcall( leftX, rb_intern( "eql?" ), 1, rightX ) == Qtrue &&
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rb_funcall( leftY, rb_intern( "eql?" ), 1, rightY ) == Qtrue )
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{
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return Qtrue;
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}
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else
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{
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return Qfalse;
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}
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}
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static VALUE Vector2_Initialize( VALUE self, VALUE someArgs )
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{
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long arrayLength = RARRAY_LEN( someArgs );
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rb_iv_set( self, "@x", INT2NUM( 0 ) );
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rb_iv_set( self, "@y", INT2NUM( 0 ) );
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if( arrayLength == 0 )
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{
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// Nothing needs to be done
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}
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else if( arrayLength == 1 )
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{
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Vector2_internal_CopyFrom( self, rb_ary_entry( someArgs, 0 ) );
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}
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else if( arrayLength == 2 )
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{
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VALUE arg1 = rb_ary_entry( someArgs, 0 );
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VALUE arg2 = rb_ary_entry( someArgs, 1 );
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Vector2_internal_ValidateTypes( arg1, arg2 );
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rb_iv_set( self, "@x", arg1 );
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rb_iv_set( self, "@y", arg2 );
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}
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rb_iv_set( self, "@dataType", CLASS_OF( rb_iv_get( self, "@x" ) ) );
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return self;
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}
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VALUE Vector2_New( int anArgCount, VALUE * someArgs, VALUE aKlass )
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{
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return rb_call_super( anArgCount, someArgs );
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}
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void Init_Vector2( void )
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{
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globalVector2Class = rb_define_class_under( GetNamespace(), "Vector2", rb_cObject );
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// Class methods
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rb_define_singleton_method( globalVector2Class, "new", FUNCPTR( Vector2_New ), -1 );
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// Instance methods
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rb_define_method( globalVector2Class, "initialize", FUNCPTR( Vector2_Initialize ), -2 );
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rb_define_method( globalVector2Class, "eql?", FUNCPTR( Vector2_Initialize ), 1 );
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// Instance operators
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rb_define_method( globalVector2Class, "-@", FUNCPTR( Vector2_Negate ), 0 );
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rb_define_method( globalVector2Class, "+", FUNCPTR( Vector2_Add ), 1 );
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rb_define_method( globalVector2Class, "-", FUNCPTR( Vector2_Subtract ), 1 );
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rb_define_method( globalVector2Class, "*", FUNCPTR( Vector2_Multiply ), 1 );
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rb_define_method( globalVector2Class, "/", FUNCPTR( Vector2_Divide ), 1 );
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rb_define_method( globalVector2Class, "==", FUNCPTR( Vector2_Divide ), 1 );
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// Attribute accessors
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rb_define_attr( globalVector2Class, "x", 1, 1 );
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rb_define_attr( globalVector2Class, "y", 1, 1 );
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}
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