fire-ring-effect-modifier.h
2.37 KB
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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
#ifndef DALI_PROJECT_FIRE_RING_EFFECT_MODIFIER_H
#define DALI_PROJECT_FIRE_RING_EFFECT_MODIFIER_H
/*
* Copyright (c) 2023 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <dali-toolkit/public-api/particle-system/particle-emitter.h>
#include <dali-toolkit/public-api/particle-system/particle-source.h>
#include <dali-toolkit/public-api/particle-system/particle-modifier.h>
#include <dali-toolkit/public-api/particle-system/particle-list.h>
#include <dali-toolkit/public-api/particle-system/particle.h>
#include <dali/public-api/common/vector-wrapper.h>
#include <dali/public-api/object/weak-handle.h>
#include <ctime>
namespace Dali::ParticleEffect
{
using namespace Dali::Toolkit::ParticleSystem;
class FireModifier : public ParticleModifierInterface
{
public:
struct ColorGradient
{
std::vector<Vector4> colors;
std::vector<float> position;
void PushColor(const Vector4& color, float pos)
{
colors.emplace_back(color);
position.emplace_back(pos);
}
Vector4 GetColorAt(float pos)
{
if(pos >= 1.0f)
{
return colors.back();
}
else if(pos <= 0.0f)
{
return colors[0];
}
for(auto i = 0u; i < position.size() - 1; ++i)
{
if(pos >= position[i] && pos < position[i + 1])
{
auto colorDiff = colors[i + 1] - colors[i];
return colors[i] + (colorDiff * ((pos - position[i]) / (position[i + 1] - position[i])));
}
}
return colors[0];
}
};
explicit FireModifier(ParticleEmitter& emitter);
bool IsMultiThreaded() override;
void Update(ParticleList& particleList, uint32_t first, uint32_t count) override;
ColorGradient mFireGradient;
Dali::WeakHandle<ParticleEmitter> mEmitter;
uint32_t mStreamBasePos{0u};
uint32_t mAngle{0u};
};
}
#endif // DALI_PROJECT_FIRE_RING_EFFECT_MODIFIER_H