1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/3deng/particles.h	Thu Oct 23 01:46:07 2014 +0300
     1.3 @@ -0,0 +1,99 @@
     1.4 +#ifndef _PARTICLES_H_
     1.5 +#define _PARTICLES_H_
     1.6 +
     1.7 +#include <list>
     1.8 +#include "n3dmath.h"
     1.9 +#include "3dgeom.h"
    1.10 +#include "objects.h"
    1.11 +
    1.12 +enum BlendingFactor;
    1.13 +
    1.14 +class Particle {
    1.15 +public:
    1.16 +	Vector3 pos;
    1.17 +	Vector3 vel;
    1.18 +	unsigned int life;
    1.19 +
    1.20 +	Particle(int life=0);
    1.21 +	Particle(const Vector3 &pos, int life=0);
    1.22 +	Particle(const Vector3 &pos, const Vector3 &vel, int life=0);
    1.23 +
    1.24 +	void Update(const Vector3 &forces, float friction=0);
    1.25 +};
    1.26 +
    1.27 +class ParticleSystem {
    1.28 +private:
    1.29 +	GraphicsContext *gc;
    1.30 +	bool FixedUpdateRate;
    1.31 +	float UpdateRate;
    1.32 +	float LastUpdate;
    1.33 +
    1.34 +	BlendingFactor SourceBlend, DestBlend;
    1.35 +
    1.36 +	Vector3 pos, prevpos;			// position of the emmiter (world space)
    1.37 +	Vector3 ShootDirection;			// an initial velocity vector for the particles
    1.38 +	std::list<Particle> particles;	// a list of particles
    1.39 +	Vertex pquad[4];				// the basic particle quad vertices
    1.40 +	Triangle ptris[2];				// the basic particle quad triangles
    1.41 +	float size;						// size of the particles
    1.42 +	float friction;					// friction impeding particle movement
    1.43 +	int SpawnRate;					// rate of particle generation
    1.44 +	float SpawnRadius;				// spawning radius around the emmiter
    1.45 +	float GravForce;				// Gravitual force
    1.46 +	float DispRads;
    1.47 +	int life;						// particle life
    1.48 +	bool EmmiterAffectsParticleTrajectory;	// ehm ... yeah
    1.49 +	float SpawnDiffDispersion;
    1.50 +	int SpawnRateChange;			// if 0 then spawn rate constant
    1.51 +
    1.52 +	float StartRed, StartGreen, StartBlue;
    1.53 +	float EndRed, EndGreen, EndBlue;
    1.54 +
    1.55 +	int VertsToRender, TrianglesToRender;
    1.56 +	int vbsize, ibsize, maxprimitives;
    1.57 +	Texture *texture;				// the particles' texture
    1.58 +	Object *obj;					// the particles' mesh object (if present don't render quads)
    1.59 +	Vertex *varray;					// secondary vertex array (ease of development)
    1.60 +	Triangle *tarray;				// the triangles
    1.61 +
    1.62 +	int VertexCount, IndexCount, TriCount, ParticleCount;
    1.63 +
    1.64 +public:
    1.65 +	Matrix4x4 Translation, OrbitRot;
    1.66 +
    1.67 +	ParticleSystem(GraphicsContext *gc);
    1.68 +	~ParticleSystem();
    1.69 +
    1.70 +	void SetGraphicsContext(GraphicsContext *gc);
    1.71 +	void SetParticleSize(float psize);
    1.72 +	void SetParticleLife(int life);
    1.73 +	void SetFriction(float friction);
    1.74 +	void SetSpawnRate(float spawnrate);
    1.75 +	void SetSpawnRadius(float radius);
    1.76 +	void SetTexture(Texture *texture);
    1.77 +	void SetObject(Object *obj);
    1.78 +	void SetPosition(const Vector3 &pos);
    1.79 +	void SetShootDirection(const Vector3 &dir);
    1.80 +	void SetGravitualForce(float grav);
    1.81 +	void SetEmmiterDependence(bool dep);
    1.82 +	void SetMaxDispersionAngle(float maxdisp);
    1.83 +	void SetInitialColor(float r, float g, float b);
    1.84 +	void SetDeathColor(float r, float g, float b);
    1.85 +	void SetBlendingMode(BlendingFactor src, BlendingFactor dest);
    1.86 +	void SetSpawningDifferenceDispersion(float val);
    1.87 +	void SetSpawnRateChange(int change);
    1.88 +
    1.89 +	void Translate(float x, float y, float z);
    1.90 +	void Rotate(float x, float y, float z);
    1.91 +	void Rotate(const Vector3 &axis, float angle);
    1.92 +	void ResetTranslation();
    1.93 +	void ResetRotation();	
    1.94 +
    1.95 +	int CountParticles();
    1.96 +			
    1.97 +	void Update(float t = 0.0f);
    1.98 +	void Render();
    1.99 +};
   1.100 +	
   1.101 +
   1.102 +#endif	// _PARTICLES_H_