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ofxVirtualScreen.h
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ofxVirtualScreen.h
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#ifndef _OFX_VIRTUAL_SCREEN_
#define _OFX_VIRTUAL_SCREEN_
#include "ofNode.h"
class SceneItem : public ofNode
{
public:
virtual void customDraw();
ofColor color;
};
class Sensor : public SceneItem
{
};
class Screen: public SceneItem
{
public:
Screen(void){}
ofPoint getIntersectionPointWithLine(ofPoint p1, ofPoint p2);
ofVec2f getScreenPointFromWorld(ofPoint);
};
class Scene : public ofNode
{
public:
Scene(void);
virtual void customDraw();
Screen screen;
Sensor sensor;
};
/**
* Determinant: http://mathworld.wolfram.com/Determinant.html
*/
/*
float determinant(const ofMatrix4x4& _mat)
{
float det =
+_mat(0,0) *
ofMatrix3x3(
_mat(1,1),_mat(1,2),_mat(1,3),
_mat(2,1),_mat(2,2),_mat(2,3),
_mat(3,1),_mat(3,2),_mat(3,3)).determinant()
-_mat(0,1) *
ofMatrix3x3(
_mat(1,0),_mat(1,2),_mat(1,3),
_mat(2,0),_mat(2,2),_mat(2,3),
_mat(3,0),_mat(3,2),_mat(3,3)).determinant()
+_mat(0,2) *
ofMatrix3x3(
_mat(1,0),_mat(1,1),_mat(1,3),
_mat(2,0),_mat(2,1),_mat(2,3),
_mat(3,0),_mat(3,1),_mat(3,3)).determinant()
-_mat(0,3) *
ofMatrix3x3(
_mat(1,0),_mat(1,1),_mat(1,2),
_mat(2,0),_mat(2,1),_mat(2,2),
_mat(3,0),_mat(3,1),_mat(3,2)).determinant();
return det;
}
*/
#endif