blob: 433b557dd0a77b11535a17db77dc2c510cfe1b83 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#ifndef PARTICLE_H
#define PARTICLE_H
#include "vector.h"
#include <list>
struct vec4f {
float x, y, z, w;
};
class SelectionParticle {
public:
Vector3 pos;
float alpha;
float decay;
static float t;
float pt;
float speed;
Vector3 vel;
SelectionParticle();
SelectionParticle(const SelectionParticle& p);
void init(float seed);
void update(unsigned int steps, vec4f *v);
};
template<class T>
class ParticleGroup {
public:
T *particles;
vec4f *vertices;
unsigned int num;
unsigned int count;
Vector3 src;
Vector3 dir;
ParticleGroup(Vector3 src, Vector3 dir, unsigned int count) {
srand(time(NULL));
this->src = src;
this->dir = dir;
this->num = count;
this->count = 0;
T::t = 0;
particles = new T[count];
vertices = new vec4f[count];
};
~ParticleGroup() {
delete[] particles;
delete[] vertices;
}
void update(unsigned int steps) {
if(count < num) {
particles[count].init(T::t += 0.1);
count++;
}
for(unsigned int i = 0; i < count; i++) {
T *p = &particles[i];
p->update(steps, &vertices[i]);
}
}
};
#endif
|
