topical media & game development
lib-of-vs-addons-ofxVectorMath-src-ofxPoint2f.h / h
ofxPoint2f.h
by stefanix
ifndef _OFX_POINT2f
define _OFX_POINT2f
include <ofxVec2f.h>
class ofxPoint2f : public ofPoint {
public:
ofxPoint2f( float _x=0.0f, float _y=0.0f );
ofxPoint2f( const ofPoint& pnt );
// Getters and Setters.
//
//
void set( float _x, float _y );
void set( const ofPoint& pnt );
float& operator[]( const int& i );
// Check similarity/equality.
//
//
bool operator==( const ofPoint& pnt );
bool operator!=( const ofPoint& pnt );
bool match( const ofPoint& pnt, float tollerance=0.0001);
// Overloading for any type to any type
//
//
void operator=( const ofPoint& vec );
ofxPoint2f operator+( const ofPoint& vec ) const;
ofxPoint2f& operator+=( const ofPoint& vec );
ofxPoint2f operator-( const ofPoint& vec ) const;
ofxPoint2f& operator-=( const ofPoint& vec );
ofxPoint2f operator*( const ofPoint& vec ) const;
ofxPoint2f& operator*=( const ofPoint& vec );
ofxPoint2f operator/( const ofPoint& vec ) const;
ofxPoint2f& operator/=( const ofPoint& vec );
//operator overloading for float
//
//
void operator=( const float f);
ofxPoint2f operator+( const float f ) const;
ofxPoint2f& operator+=( const float f );
ofxPoint2f operator-( const float f ) const;
ofxPoint2f& operator-=( const float f );
ofxPoint2f operator-() const;
ofxPoint2f operator*( const float f ) const;
ofxPoint2f& operator*=( const float f );
ofxPoint2f operator/( const float f ) const;
ofxPoint2f& operator/=( const float f );
// Rotate point by angle (deg) around pivot point.
//
//
ofxPoint2f getRotated( float angle, const ofxPoint2f& pivot ) const;
ofxPoint2f& rotate( float angle, const ofxPoint2f& pivot );
ofxPoint2f getRotatedRad( float angle, const ofxPoint2f& pivot ) const;
ofxPoint2f& rotateRad( float angle, const ofxPoint2f& pivot );
// Map point to coordinate system defined by origin, vx, and vy.
//
//
ofxPoint2f getMapped( const ofxPoint2f& origin,
const ofxVec2f& vx,
const ofxVec2f& vy ) const;
ofxPoint2f& map( const ofxPoint2f& origin,
const ofxVec2f& vx, const ofxVec2f& vy );
// Distance between two points.
//
//
float distance( const ofxPoint2f& pnt) const;
float squareDistance( const ofxPoint2f& pnt ) const;
// Linear interpolation.
//
//
p==0.0 results in this point, p==0.5 results in the
midpoint, and p==1.0 results in pnt being returned.
ofxPoint2f getInterpolated( const ofxPoint2f& pnt, float p ) const;
ofxPoint2f& interpolate( const ofxPoint2f& pnt, float p );
ofxPoint2f getMiddle( const ofxPoint2f& pnt ) const;
ofxPoint2f& middle( const ofxPoint2f& pnt );
// Average (centroid) among points.
// Addition is sometimes useful for calculating averages too.
//
//
ofxPoint2f& average( const ofxPoint2f* points, int num );
// Perpendicular normalized vector from two points.
//
//
ofxVec2f getPerpendicular( const ofxPoint2f& pnt ) const;
//---------------------------------------------------
// This methods are deprecated in 006 please use:
// use getRotated
ofxPoint2f rotated( float angle, const ofxPoint2f& pivot ) const;
// use getMapped
ofxPoint2f mapped( const ofxPoint2f& origin,
const ofxVec2f& vx,
const ofxVec2f& vy ) const;
// use squareDistance
float distanceSquared( const ofxPoint2f& pnt ) const;
// use getInterpolated
ofxPoint2f interpolated( const ofxPoint2f& pnt, float p ) const;
// use getMiddle
ofxPoint2f middled( const ofxPoint2f& pnt ) const;
// use getPerpendicular
ofxVec2f perpendicular( const ofxPoint2f& pnt ) const;
};
// Non-Member operators
//
//
ofxPoint2f operator+( float f, const ofxPoint2f& pnt );
ofxPoint2f operator-( float f, const ofxPoint2f& pnt );
ofxPoint2f operator*( float f, const ofxPoint2f& pnt );
ofxPoint2f operator/( float f, const ofxPoint2f& pnt );
endif
(C) Æliens
04/09/2009
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