brain.h #4

// Scenesaver: copyright 2003 Sam Stafford.

class DNA;

struct Neuron 
{ 
	float axon;
	float thres;
	Neuron* dendrite[4];
	float weight[4];
	float x;
	bool active;
};

struct Lobe
{
	Neuron neur[2][4];
};

struct BigNeuron
{
	float axon;
	Neuron* dendrite[24];
	float weight[24];
};

class Brain
{
public:
	Brain( DNA*, float* );
	~Brain(void);

	void CheckActive( Neuron* );
	void Clear();
	void Fire( Neuron* );
	void Fire( BigNeuron* );
	void Render();
	void RenderLights();
	void RenderSyn( float weight, Neuron* n1, float y1, float x2, float y2 );
	void RenderNeuron( float axon, float x, float y );
	void Think();

	Neuron input[14]; //this gets fed from outside
	Lobe lobe[6];
	BigNeuron output[4];

	float *muscles;
};

//Neuron inputs:
//  0  Nearest-food unit vector (x component)
//  1  Nearest-food unit vector (y component)
//  2  Strongest-DR unit vector (x component)
//  3  Strongest-DR unit vector (y component)
//  4  Strongest-DG unit vector (x component)
//  5  Strongest-DG unit vector (y component)
//  6  Strongest-DB unit vector (x component)
//  7  Strongest-DB unit vector (y component)
//  8  Nearest-creature uvector (x component)
//  9  Nearest-creature uvector (y component)
// 10  Current velocity vector  (x component)
// 11  Current velocity vector  (y component)
// 12  Dfitness from food consumption
// 13  Dfitness from flocking pattern

//Muscle outputs:
// 0   X acceleration
// 1   Y acceleration
// 2   Speed change
// 3   Angle change